AMD OpenCV Interop API

AMD OpenCV Interop API#

MIVisionX: Extension: AMD OpenCV Interop API

AMD OpenVX OpenCV Interop Nodes for OpenCV Functionality within OpenVX Graph. More...

Functions
SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_blur (vx_graph graph, vx_image input, vx_image output, vx_uint32 kwidth, vx_uint32 kheight, vx_int32 Anchor_X, vx_int32 Anchor_Y, vx_int32 Bordertype)
	[Graph] Creates a OpenCV blur function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_boxFilter (vx_graph graph, vx_image input, vx_image output, vx_int32 ddepth, vx_uint32 kwidth, vx_uint32 kheight, vx_int32 Anchor_X, vx_int32 Anchor_Y, vx_bool Normalized, vx_int32 Bordertype)
	[Graph] Creates a OpenCV boxFilter function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_gaussianBlur (vx_graph graph, vx_image input, vx_image output, vx_uint32 kwidth, vx_uint32 kheight, vx_float32 sigmaX, vx_float32 sigmaY, vx_int32 border_mode)
	[Graph] Creates a OpenCV GaussianBlur function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_medianBlur (vx_graph graph, vx_image input, vx_image output, vx_uint32 ksize)
	[Graph] Creates a OpenCV medianBlur function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_filter2D (vx_graph graph, vx_image input, vx_image output, vx_int32 ddepth, vx_matrix Kernel, vx_int32 Anchor_X, vx_int32 Anchor_Y, vx_float32 delta, vx_int32 border)
	[Graph] Creates a OpenCV filter2D function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_sepFilter2D (vx_graph graph, vx_image input, vx_image output, vx_int32 ddepth, vx_matrix KernelX, vx_matrix KernelY, vx_int32 Anchor_X, vx_int32 Anchor_Y, vx_float32 delta, vx_int32 border)
	[Graph] Creates a OpenCV sepFilter2D function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_bilateralFilter (vx_graph graph, vx_image input, vx_image output, vx_uint32 d, vx_float32 Sigma_Color, vx_float32 Sigma_Space, vx_int32 border_mode)
	[Graph] Creates a OpenCV BilateralFilter function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_briskCompute (vx_graph graph, vx_image input, vx_image mask, vx_array output_kp, vx_array output_des, vx_int32 thresh, vx_int32 octaves, vx_float32 patternScale)
	[Graph] Creates a OpenCV BRISK compute node to detect keypoints and optionally compute descriptors. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_briskDetect (vx_graph graph, vx_image input, vx_image mask, vx_array output_kp, vx_int32 thresh, vx_int32 octaves, vx_float32 patternScale)
	[Graph] Creates a OpenCV BRISK detector node to detect keypoints and optionally compute descriptors. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_fast (vx_graph graph, vx_image input, vx_array output_kp, vx_int32 threshold, vx_bool nonmaxSuppression)
	[Graph] Creates a OpenCV FAST feature detector node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_goodFeaturesToTrack (vx_graph graph, vx_image input, vx_array output_kp, vx_int32 maxCorners, vx_float32 qualityLevel, vx_float32 minDistance, vx_image mask, vx_int32 blockSize, vx_bool useHarrisDetector, vx_float32 k)
	[Graph] Creates a OpenCV GoodFeaturesToTrack detector node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_mserDetect (vx_graph graph, vx_image input, vx_array output_kp, vx_image mask, vx_int32 delta, vx_int32 min_area, vx_int32 max_area, vx_float32 max_variation, vx_float32 min_diversity, vx_int32 max_evolution, vx_float32 area_threshold, vx_float32 min_margin, vx_int32 edge_blur_size)
	[Graph] Creates a OpenCV MSER feature detector node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_orbCompute (vx_graph graph, vx_image input, vx_image mask, vx_array output_kp, vx_array output_des, vx_int32 nfeatures, vx_float32 scaleFactor, vx_int32 nlevels, vx_int32 edgeThreshold, vx_int32 firstLevel, vx_int32 WTA_K, vx_int32 scoreType, vx_int32 patchSize)
	[Graph] Creates a OpenCV ORB Compute node to detect keypoints and optionally compute descriptors. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_orbDetect (vx_graph graph, vx_image input, vx_image mask, vx_array output_kp, vx_int32 nfeatures, vx_float32 scaleFactor, vx_int32 nlevels, vx_int32 edgeThreshold, vx_int32 firstLevel, vx_int32 WTA_K, vx_int32 scoreType, vx_int32 patchSize)
	[Graph] Creates a OpenCV ORB detector node to detect keypoints and optionally compute descriptors. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_siftCompute (vx_graph graph, vx_image input, vx_image mask, vx_array output_kp, vx_array output_des, vx_int32 nfeatures, vx_int32 nOctaveLayers, vx_float32 contrastThreshold, vx_float32 edgeThreshold, vx_float32 sigma)
	[Graph] Creates a OpenCV SIFT Compute node to compute descriptor from specified keypoints. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_siftDetect (vx_graph graph, vx_image input, vx_image mask, vx_array output_kp, vx_int32 nfeatures, vx_int32 nOctaveLayers, vx_float32 contrastThreshold, vx_float32 edgeThreshold, vx_float32 sigma)
	[Graph] Creates a OpenCV SIFT detector node to detect keypoints and optionally compute descriptors. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_simpleBlobDetector (vx_graph graph, vx_image input, vx_array output_kp, vx_image mask)
	[Graph] Creates a OpenCV Simple Blob detector node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_starFeatureDetector (vx_graph graph, vx_image input, vx_array output_kp, vx_image mask, vx_int32 maxSize, vx_int32 responseThreshold, vx_int32 lineThresholdProjected, vx_int32 lineThresholdBinarized, vx_int32 suppressNonmaxSize)
	[Graph] Creates a OpenCV Star feature detector node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_surfCompute (vx_graph graph, vx_image input, vx_image mask, vx_array output_kp, vx_array output_des, vx_float32 hessianThreshold, vx_int32 nOctaves, vx_int32 nOctaveLayers, vx_bool extended, vx_bool upright)
	[Graph] Creates a OpenCV SURF Compute node to compute descriptor from specified keypoints. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_surfDetect (vx_graph graph, vx_image input, vx_image mask, vx_array output_kp, vx_array output_des, vx_float32 hessianThreshold, vx_int32 nOctaves, vx_int32 nOctaveLayers)
	[Graph] Creates a OpenCV SURF detector node to detect keypoints and optionally compute descriptors. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_flip (vx_graph graph, vx_image input, vx_image output, vx_int32 FlipCode)
	[Graph] Creates a OpenCV Flip function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_transpose (vx_graph graph, vx_image input, vx_image output)
	[Graph] Creates a OpenCV transpose function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_integral (vx_graph graph, vx_image input, vx_image output, vx_int32 sdepth)
	[Graph] Creates a OpenCV integral function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_norm (vx_graph graph, vx_image input, vx_float32 norm_value, vx_int32 norm_type)
	[Graph] Creates a OpenCV norm function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_countNonZero (vx_graph graph, vx_image input, vx_int32 non_zero)
	[Graph] Creates a OpenCV countNonZero function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_multiply (vx_graph graph, vx_image input_1, vx_image input_2, vx_image output, vx_float32 scale, vx_int32 dtype)
	[Graph] Creates a OpenCV Multiply function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_divide (vx_graph graph, vx_image input_1, vx_image input_2, vx_image output, vx_float32 scale, vx_int32 dtype)
	[Graph] Creates a OpenCV Divide function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_add (vx_graph graph, vx_image input_1, vx_image input_2, vx_image output)
	[Graph] Creates a OpenCV ADD function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_subtract (vx_graph graph, vx_image input_1, vx_image input_2, vx_image output)
	[Graph] Creates a OpenCV Subtract function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_absDiff (vx_graph graph, vx_image input_1, vx_image input_2, vx_image output)
	[Graph] Creates a OpenCV absdiff function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_addWeighted (vx_graph graph, vx_image imput_1, vx_float32 aplha, vx_image input_2, vx_float32 beta, vx_float32 gamma, vx_image output, vx_int32 dtype)
	[Graph] Creates a OpenCV addWeighted function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_adaptiveThreshold (vx_graph graph, vx_image input, vx_image output, vx_float32 maxValue, vx_int32 adaptiveMethod, vx_int32 thresholdType, vx_int32 blockSize, vx_float32 c)
	[Graph] Creates a OpenCV adaptiveThreshold function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_threshold (vx_graph graph, vx_image input, vx_image output, vx_float32 thresh, vx_float32 maxVal, vx_int32 type)
	[Graph] Creates a OpenCV threshold function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_distanceTransform (vx_graph graph, vx_image input, vx_image output)
	[Graph] Creates a OpenCV distanceTransform function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_cvtColor (vx_graph graph, vx_image input, vx_image output, vx_uint32 CODE)
	[Graph] Creates a OpenCV cvtColor function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_fastNlMeansDenoising (vx_graph graph, vx_image input, vx_image output, vx_float32 h, vx_int32 template_ws, vx_int32 search_ws)
	[Graph] Creates a OpenCV fastNlMeansDenoising function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_fastNlMeansDenoisingColored (vx_graph graph, vx_image input, vx_image output, vx_float32 h, vx_float32 h_color, vx_int32 template_ws, vx_int32 search_ws)
	[Graph] Creates a OpenCV fastNlMeansDenoisingColored function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_resize (vx_graph graph, vx_image input, vx_image output, vx_int32 Size_X, vx_int32 Size_Y, vx_float32 FX, vx_float32 FY, vx_int32 interpolation)
	[Graph] Creates a OpenCV Resize function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_pyrUp (vx_graph graph, vx_image input, vx_image output, vx_uint32 Swidth, vx_uint32 Sheight, vx_int32 bordertype)
	[Graph] Creates a OpenCV pyrup function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_pyrDown (vx_graph graph, vx_image input, vx_image output, vx_uint32 Swidth, vx_uint32 Sheight, vx_int32 bordertype)
	[Graph] Creates a OpenCV pyrdown function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_buildPyramid (vx_graph graph, vx_image input, vx_pyramid output, vx_uint32 maxLevel, vx_uint32 border)
	[Graph] Creates a OpenCV buildPyramid function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_buildOpticalFlowPyramid (vx_graph graph, vx_image input, vx_pyramid output, vx_uint32 S_width, vx_uint32 S_height, vx_int32 WinSize, vx_bool WithDerivatives, vx_int32 Pyr_border, vx_int32 derviBorder, vx_bool tryReuse)
	[Graph] Creates a OpenCV buildOpticalFlowPyramid function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_dilate (vx_graph graph, vx_image input, vx_image output, vx_matrix Kernel, vx_int32 Anchor_X, vx_int32 Anchor_Y, vx_int32 iterations, vx_int32 border)
	[Graph] Creates a OpenCV Dilate function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_erode (vx_graph graph, vx_image input, vx_image output, vx_matrix Kernel, vx_int32 Anchor_X, vx_int32 Anchor_Y, vx_int32 iterations, vx_int32 border)
	[Graph] Creates a OpenCV Erode function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_warpAffine (vx_graph graph, vx_image input, vx_image output, vx_matrix M, vx_int32 Size_X, vx_int32 Size_Y, vx_int32 flags, vx_int32 border)
	[Graph] Creates a OpenCV warpAffine function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_warpPerspective (vx_graph graph, vx_image input, vx_image output, vx_matrix M, vx_int32 Size_X, vx_int32 Size_Y, vx_int32 flags, vx_int32 border)
	[Graph] Creates a OpenCV warpPerspective function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_morphologyEX (vx_graph graph, vx_image input, vx_image output, vx_int32 OP, vx_matrix Kernel, vx_int32 Anchor_X, vx_int32 Anchor_Y, vx_int32 iterations, vx_int32 border)
	[Graph] Creates a OpenCV morphologyEX function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_bitwiseAnd (vx_graph graph, vx_image input_1, vx_image input_2, vx_image output)
	[Graph] Creates a OpenCV Bitwise And function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_bitwiseNot (vx_graph graph, vx_image input, vx_image output)
	[Graph] Creates a OpenCV Bitwise NOT function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_bitwiseOr (vx_graph graph, vx_image input_1, vx_image input_2, vx_image output)
	[Graph] Creates a OpenCV Bitwise OR function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_bitwiseXor (vx_graph graph, vx_image input_1, vx_image input_2, vx_image output)
	[Graph] Creates a OpenCV Bitwise XOR function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_canny (vx_graph graph, vx_image input, vx_image output, vx_float32 threshold1, vx_float32 threshold2, vx_int32 aperture_size, vx_bool L2_Gradient)
	[Graph] Creates a OpenCV Canny function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_compare (vx_graph graph, vx_image input_1, vx_image input_2, vx_image output, vx_int32 cmpop)
	[Graph] Creates a OpenCV Compare function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_convertScaleAbs (vx_graph graph, vx_image image_in, vx_image image_out, vx_float32 alpha, vx_float32 beta)
	[Graph] Creates a OpenCV convertScaleAbs function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_cornerHarris (vx_graph graph, vx_image input, vx_image output, vx_int32 blocksize, vx_int32 ksize, vx_float32 k, vx_int32 border)
	[Graph] Creates a OpenCV cornerHarris function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_cornerMinEigenVal (vx_graph graph, vx_image input, vx_image output, vx_uint32 blockSize, vx_uint32 ksize, vx_int32 border)
	[Graph] Creates a OpenCV cornerMinEigenVal function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_laplacian (vx_graph graph, vx_image input, vx_image output, vx_uint32 ddepth, vx_uint32 ksize, vx_float32 scale, vx_float32 delta, vx_int32 border_mode)
	[Graph] Creates a OpenCV Laplacian function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_scharr (vx_graph graph, vx_image input, vx_image output, vx_int32 ddepth, vx_int32 dx, vx_int32 dy, vx_float32 scale, vx_float32 delta, vx_int32 bordertype)
	[Graph] Creates a OpenCV Scharr function node. More...

SHARED_PUBLIC vx_node VX_API_CALL	vxExtCvNode_sobel (vx_graph graph, vx_image input, vx_image output, vx_int32 ddepth, vx_int32 dx, vx_int32 dy, vx_int32 Ksize, vx_float32 scale, vx_float32 delta, vx_int32 bordertype)
	[Graph] Creates a OpenCV Sobel function node. More...

Detailed Description

AMD OpenVX OpenCV Interop Nodes for OpenCV Functionality within OpenVX Graph.

Function Documentation

◆ vxExtCvNode_absDiff()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_absDiff	(	vx_graph	graph,
		vx_image	input_1,
		vx_image	input_2,
		vx_image	output
	)

[Graph] Creates a OpenCV absdiff function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input_1	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[in]	input_2	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[out]	output	The output image is as same size and type of input.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_adaptiveThreshold()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_adaptiveThreshold	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_float32	maxValue,
		vx_int32	adaptiveMethod,
		vx_int32	thresholdType,
		vx_int32	blockSize,
		vx_float32	c
	)

[Graph] Creates a OpenCV adaptiveThreshold function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	maxValue	The input `VX_TYPE_FLOAT32` scalar to set maxValue.
[in]	adaptiveMethod	The input `VX_TYPE_INT32` scalar to set adaptiveMethod.
[in]	thresholdType	The input `VX_TYPE_INT32` scalar to set thresholdType.
[in]	blockSize	The input `VX_TYPE_INT32` scalar to set blockSize.
[in]	c	The input `VX_TYPE_FLOAT32` scalar to set c.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_add()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_add	(	vx_graph	graph,
		vx_image	input_1,
		vx_image	input_2,
		vx_image	output
	)

[Graph] Creates a OpenCV ADD function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input_1	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[in]	input_2	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[out]	output	The output image is as same size and type of input.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_addWeighted()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_addWeighted	(	vx_graph	graph,
		vx_image	imput_1,
		vx_float32	aplha,
		vx_image	input_2,
		vx_float32	beta,
		vx_float32	gamma,
		vx_image	output,
		vx_int32	dtype
	)

[Graph] Creates a OpenCV addWeighted function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input_1	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[in]	aplha	The input `VX_TYPE_FLOAT32` scalar to set aplha.
[in]	input_2	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[in]	beta	The input `VX_TYPE_FLOAT32` scalar to set beta.
[in]	gamma	The input `VX_TYPE_FLOAT32` scalar to set gamma.
[out]	output	The output image is as same size and type of input.
[in]	dtype	The input `VX_TYPE_INT32` scalar to set dtype.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_bilateralFilter()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_bilateralFilter	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_uint32	d,
		vx_float32	Sigma_Color,
		vx_float32	Sigma_Space,
		vx_int32	border_mode
	)

[Graph] Creates a OpenCV BilateralFilter function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	d	The input `VX_TYPE_UINT32` scalar to set K width.
[in]	sigmaColor	The input `VX_TYPE_FLOAT32` scalar to set sigmaX.
[in]	sigmaSpace	The input `VX_TYPE_FLOAT32` scalar to set sigmaY.
[in]	Border	mode The input `VX_TYPE_UINT32` scalar to set border mode.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_bitwiseAnd()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_bitwiseAnd	(	vx_graph	graph,
		vx_image	input_1,
		vx_image	input_2,
		vx_image	output
	)

[Graph] Creates a OpenCV Bitwise And function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input_1	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[in]	input_2	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[out]	output	The output image is as same size and type of input.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_bitwiseNot()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_bitwiseNot	(	vx_graph	graph,
		vx_image	input,
		vx_image	output
	)

[Graph] Creates a OpenCV Bitwise NOT function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[out]	output	The output image is as same size and type of input.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_bitwiseOr()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_bitwiseOr	(	vx_graph	graph,
		vx_image	input_1,
		vx_image	input_2,
		vx_image	output
	)

[Graph] Creates a OpenCV Bitwise OR function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input_1	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[in]	input_2	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[out]	output	The output image is as same size and type of input.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_bitwiseXor()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_bitwiseXor	(	vx_graph	graph,
		vx_image	input_1,
		vx_image	input_2,
		vx_image	output
	)

[Graph] Creates a OpenCV Bitwise XOR function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input_1	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[in]	input_2	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[out]	output	The output image is as same size and type of input.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_blur()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_blur	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_uint32	kwidth,
		vx_uint32	kheight,
		vx_int32	Anchor_X,
		vx_int32	Anchor_Y,
		vx_int32	Bordertype
	)

[Graph] Creates a OpenCV blur function node.

OpenCV VX_API_ENTRY C Function NODE

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` or `VX_DF_IMAGE_U16` format.
[out]	output	The output image is as same size and type of input.
[in]	kwidth	The input `VX_TYPE_UINT32` scalar to set normalized box filter width.
[in]	kheight	The input `VX_TYPE_UINT32` scalar to set normalized box filter height.
[in]	Anchor_X	The input `VX_TYPE_UINT32` scalar to set anchor point x.
[in]	Anchor_Y	The input `VX_TYPE_UINT32` scalar to set anchor point y.
[in]	Border_Type	The input `VX_TYPE_UINT32` scalar to set borderType.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_boxFilter()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_boxFilter	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_int32	ddepth,
		vx_uint32	kwidth,
		vx_uint32	kheight,
		vx_int32	Anchor_X,
		vx_int32	Anchor_Y,
		vx_bool	Normalized,
		vx_int32	Bordertype
	)

[Graph] Creates a OpenCV boxFilter function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` or `VX_DF_IMAGE_U16` format.
[out]	output	The output image is as same size and type of input.
[in]	ddepth	The input `VX_TYPE_INT32` scalar to set output image depth.
[in]	kwidth	The input `VX_TYPE_UINT32` scalar to set box filter width.
[in]	kheight	The input `VX_TYPE_UINT32` scalar to set box filter height.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_briskCompute()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_briskCompute	(	vx_graph	graph,
		vx_image	input,
		vx_image	mask,
		vx_array	output_kp,
		vx_array	output_des,
		vx_int32	thresh,
		vx_int32	octaves,
		vx_float32	patternScale
	)

[Graph] Creates a OpenCV BRISK compute node to detect keypoints and optionally compute descriptors.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[in]	mask	The mask image in `VX_DF_IMAGE_U8` format (optional).
[out]	output_kp	The output keypoints `vx_array` of `VX_TYPE_KEYPOINT`.
[out]	output_des	The output descriptors `vx_array` of user defined data type with 64/128 byte element size depending upon extended argument (optional).
[in]	thresh	The input `VX_TYPE_INT32` scalar for thresh argument.
[in]	octaves	The input `VX_TYPE_INT32` scalar for octaves argument.
[in]	patternScale	The input `VX_TYPE_FLOAT32` scalar for patternScale argument.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_briskDetect()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_briskDetect	(	vx_graph	graph,
		vx_image	input,
		vx_image	mask,
		vx_array	output_kp,
		vx_int32	thresh,
		vx_int32	octaves,
		vx_float32	patternScale
	)

[Graph] Creates a OpenCV BRISK detector node to detect keypoints and optionally compute descriptors.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[in]	mask	The mask image in `VX_DF_IMAGE_U8` format (optional).
[out]	output_kp	The output keypoints `vx_array` of `VX_TYPE_KEYPOINT`.
[in]	thresh	The input `VX_TYPE_INT32` scalar for thresh argument.
[in]	octaves	The input `VX_TYPE_INT32` scalar for octaves argument.
[in]	patternScale	The input `VX_TYPE_FLOAT32` scalar for patternScale argument.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_buildOpticalFlowPyramid()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_buildOpticalFlowPyramid	(	vx_graph	graph,
		vx_image	input,
		vx_pyramid	output,
		vx_uint32	S_width,
		vx_uint32	S_height,
		vx_int32	WinSize,
		vx_bool	WithDerivatives,
		vx_int32	Pyr_border,
		vx_int32	derviBorder,
		vx_bool	tryReuse
	)

[Graph] Creates a OpenCV buildOpticalFlowPyramid function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output Pyramid.
[in]	WIN_Size_Width	The input `VX_TYPE_INT32` scalar to set WIN_Size_Width.
[in]	WIN_Size_Height	The input `VX_TYPE_INT32` scalar to set WIN_Size_Height.
[in]	maxLevel	The input `VX_TYPE_INT32` scalar to set maxLevel.
[in]	withDerivatives	The input `VX_TYPE_BOOL` scalar to set withDerivatives.
[in]	pyrBorder	The input `VX_TYPE_INT32` scalar to set pyrBorder.
[in]	derivBorder	The input `VX_TYPE_INT32` scalar to set derivBorder.
[in]	tryReuseInputImage	The input `VX_TYPE_BOOL` scalar to set tryReuseInputImage.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_buildPyramid()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_buildPyramid	(	vx_graph	graph,
		vx_image	input,
		vx_pyramid	output,
		vx_uint32	maxLevel,
		vx_uint32	border
	)

[Graph] Creates a OpenCV buildPyramid function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output Pyramid.
[in]	OP	The input `VX_TYPE_INT32` scalar to set OP.
[in]	maxLevel	The input `VX_TYPE_UINT32` scalar to set maxLevel.
[in]	border	The input `VX_TYPE_UINT32` scalar to set border.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_canny()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_canny	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_float32	threshold1,
		vx_float32	threshold2,
		vx_int32	aperture_size,
		vx_bool	L2_Gradient
	)

[Graph] Creates a OpenCV Canny function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	threshold1	The input `VX_TYPE_FLOAT32` scalar to set threshold1.
[in]	threshold2	The input `VX_TYPE_FLOAT32` scalar to set threshold2.
[in]	aperture_size	The input `VX_TYPE_INT32` scalar to set aperture_size.
[in]	L2_Gradient	The input `VX_BOOL` scalar to set L2_Gradient.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_compare()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_compare	(	vx_graph	graph,
		vx_image	input_1,
		vx_image	input_2,
		vx_image	output,
		vx_int32	cmpop
	)

[Graph] Creates a OpenCV Compare function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input_1	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[in]	input_2	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[out]	output	The output image is as same size and type of input.
[in]	cmpop	The input value in vx_int32 format.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_convertScaleAbs()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_convertScaleAbs	(	vx_graph	graph,
		vx_image	image_in,
		vx_image	image_out,
		vx_float32	alpha,
		vx_float32	beta
	)

[Graph] Creates a OpenCV convertScaleAbs function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	alpha	The input `VX_TYPE_FLOAT32` scalar to set alpha.
[in]	beta	The input `VX_TYPE_FLOAT32` scalar to set beta.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_cornerHarris()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_cornerHarris	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_int32	blocksize,
		vx_int32	ksize,
		vx_float32	k,
		vx_int32	border
	)

[Graph] Creates a OpenCV cornerHarris function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	blocksize	The input `VX_TYPE_INT32` scalar to set blocksize.
[in]	ksize	The input `VX_TYPE_INT32` scalar to set ksize.
[in]	K	The input `VX_TYPE_FLOAT32` scalar to set K.
[in]	border	The input `VX_TYPE_INT32` scalar to set border.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_cornerMinEigenVal()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_cornerMinEigenVal	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_uint32	blockSize,
		vx_uint32	ksize,
		vx_int32	border
	)

[Graph] Creates a OpenCV cornerMinEigenVal function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	blocksize	The input `VX_TYPE_UINT32` scalar to set blocksize.
[in]	ksize	The input `VX_TYPE_UINT32` scalar to set ksize.
[in]	border	The input `VX_TYPE_INT32` scalar to set border.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_countNonZero()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_countNonZero	(	vx_graph	graph,
		vx_image	input,
		vx_int32	non_zero
	)

[Graph] Creates a OpenCV countNonZero function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	non_zero	The output `VX_TYPE_INT32` scalar non_zero.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_cvtColor()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_cvtColor	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_uint32	CODE
	)

[Graph] Creates a OpenCV cvtColor function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[out]	output	The output image is as same size and type of input.
[in]	CODE	The input `VX_TYPE_UINT32` scalar to set FlipCode.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_dilate()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_dilate	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_matrix	Kernel,
		vx_int32	Anchor_X,
		vx_int32	Anchor_Y,
		vx_int32	iterations,
		vx_int32	border
	)

[Graph] Creates a OpenCV Dilate function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	Kernel	The input `vx_matrix` matrix to set Kernel.
[in]	Anchor_X	The input `VX_TYPE_INT32` scalar to set Anchor_X.
[in]	Anchor_Y	The input `VX_TYPE_INT32` scalar to set Anchor_Y.
[in]	iterations	The input `VX_TYPE_INT32` scalar to set iterations.
[in]	border	The input `VX_TYPE_INT32` scalar to set border.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_distanceTransform()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_distanceTransform	(	vx_graph	graph,
		vx_image	input,
		vx_image	output
	)

[Graph] Creates a OpenCV distanceTransform function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_divide()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_divide	(	vx_graph	graph,
		vx_image	input_1,
		vx_image	input_2,
		vx_image	output,
		vx_float32	scale,
		vx_int32	dtype
	)

[Graph] Creates a OpenCV Divide function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input_1	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[in]	input_2	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[out]	output	The output image is as same size and type of input.
[in]	scale	The input `VX_TYPE_FLOAT32` scalar to set scale.
[in]	dtype	The input `VX_TYPE_INT32` scalar to set dtype.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_erode()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_erode	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_matrix	Kernel,
		vx_int32	Anchor_X,
		vx_int32	Anchor_Y,
		vx_int32	iterations,
		vx_int32	border
	)

[Graph] Creates a OpenCV Erode function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	Kernel	The input `vx_matrix` matrix to set Kernel.
[in]	Anchor_X	The input `VX_TYPE_INT32` scalar to set Anchor_X.
[in]	Anchor_Y	The input `VX_TYPE_INT32` scalar to set Anchor_Y.
[in]	iterations	The input `VX_TYPE_INT32` scalar to set iterations.
[in]	border	The input `VX_TYPE_INT32` scalar to set border.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_fast()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_fast	(	vx_graph	graph,
		vx_image	input,
		vx_array	output_kp,
		vx_int32	threshold,
		vx_bool	nonmaxSuppression
	)

[Graph] Creates a OpenCV FAST feature detector node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output_kp	The output keypoints `vx_array` of `VX_TYPE_KEYPOINT`.
[in]	threshold	The input `VX_TYPE_INT32` scalar for threshold argument.
[in]	nonmaxSuppression	The input `VX_TYPE_BOOL` scalar for nonmaxSuppression argument.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_fastNlMeansDenoising()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_fastNlMeansDenoising	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_float32	h,
		vx_int32	template_ws,
		vx_int32	search_ws
	)

[Graph] Creates a OpenCV fastNlMeansDenoising function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	h	The input `VX_TYPE_FLOAT32` scalar to set h.
[in]	template_ws	The input `VX_TYPE_INT32` scalar to set template_ws.
[in]	search_ws	The input `VX_TYPE_UINT32` scalar to set search_ws.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_fastNlMeansDenoisingColored()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_fastNlMeansDenoisingColored	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_float32	h,
		vx_float32	h_color,
		vx_int32	template_ws,
		vx_int32	search_ws
	)

[Graph] Creates a OpenCV fastNlMeansDenoisingColored function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_RGB` format.
[out]	output	The output image is as same size and type of input.
[in]	h	The input `VX_TYPE_FLOAT32` scalar to set h.
[in]	h_color	The input `VX_TYPE_FLOAT32` scalar to set h_color.
[in]	template_ws	The input `VX_TYPE_INT32` scalar to set template_ws.
[in]	search_ws	The input `VX_TYPE_UINT32` scalar to set search_ws.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_filter2D()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_filter2D	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_int32	ddepth,
		vx_matrix	Kernel,
		vx_int32	Anchor_X,
		vx_int32	Anchor_Y,
		vx_float32	delta,
		vx_int32	border
	)

[Graph] Creates a OpenCV filter2D function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	ddepth	The input `VX_TYPE_INT32` scalar to set ddepth.
[in]	Kernel	The input `vx_matrix` scalar to set Kernel.
[in]	Anchor_X	The input `VX_TYPE_INT32` scalar to set Anchor_X.
[in]	Anchor_Y	The input `VX_TYPE_INT32` scalar to set Anchor_Y.
[in]	delta	The input `VX_TYPE_FLOAT32` scalar to set delta.
[in]	border	The input `VX_TYPE_INT32` scalar to set border.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_flip()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_flip	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_int32	FlipCode
	)

[Graph] Creates a OpenCV Flip function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[out]	output	The output image is as same size and type of input.
[in]	FlipCode	The input `VX_TYPE_INT32` scalar to set FlipCode.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_gaussianBlur()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_gaussianBlur	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_uint32	kwidth,
		vx_uint32	kheight,
		vx_float32	sigmaX,
		vx_float32	sigmaY,
		vx_int32	border_mode
	)

[Graph] Creates a OpenCV GaussianBlur function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` or `VX_DF_IMAGE_U16` format.
[out]	output	The output image is as same size and type of input.
[in]	kwidth	The input `VX_TYPE_UINT32` scalar to set gaussian filter width.
[in]	kheight	The input `VX_TYPE_UINT32` scalar to set gaussian filter height.
[in]	sigmaX	The input `VX_TYPE_FLOAT32` scalar to set gaussian filter standard deviation in x-direction.
[in]	sigmaY	The input `VX_TYPE_FLOAT32` scalar to set gaussian filter standard deviation in y-direction.
[in]	border_mode	The input `VX_TYPE_ENUM` scalar to set border mode.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_goodFeaturesToTrack()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_goodFeaturesToTrack	(	vx_graph	graph,
		vx_image	input,
		vx_array	output_kp,
		vx_int32	maxCorners,
		vx_float32	qualityLevel,
		vx_float32	minDistance,
		vx_image	mask,
		vx_int32	blockSize,
		vx_bool	useHarrisDetector,
		vx_float32	k
	)

[Graph] Creates a OpenCV GoodFeaturesToTrack detector node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output_kp	The output keypoints `vx_array` of `VX_TYPE_KEYPOINT`.
[in]	maxCorners	The input `VX_TYPE_INT32` scalar for maxCorners argument.
[in]	qualityLevel	The input `VX_TYPE_FLOAT32` scalar for qualityLevel argument.
[in]	minDistance	The input `VX_TYPE_FLOAT32` scalar for minDistance argument.
[in]	mask	The mask image in `VX_DF_IMAGE_U8` format (optional).
[in]	blockSize	The input `VX_TYPE_INT32` scalar for blockSize argument.
[in]	useHarrisDetector	The input `VX_TYPE_BOOL` scalar for useHarrisDetector argument.
[in]	k	The input `VX_TYPE_FLOAT32` scalar for k argument.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_integral()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_integral	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_int32	sdepth
	)

[Graph] Creates a OpenCV integral function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image in `VX_DF_IMAGE_U32` or `VX_DF_IMAGE_S32` format.
[in]	sdepth	The input `VX_TYPE_INT32` scalar to set sdepth.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_laplacian()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_laplacian	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_uint32	ddepth,
		vx_uint32	ksize,
		vx_float32	scale,
		vx_float32	delta,
		vx_int32	border_mode
	)

[Graph] Creates a OpenCV Laplacian function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	ddepth	The input `VX_TYPE_UINT32` scalar to set ddepth.
[in]	ksize	The input `VX_TYPE_UINT32` scalar to set ksize.
[in]	scale	The input `VX_TYPE_FLOAT32` scalar to set scale.
[in]	delta	The input `VX_TYPE_FLOAT32` scalar to set delta.
[in]	border_mode	The input `VX_TYPE_INT32` scalar to set border_mode.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_medianBlur()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_medianBlur	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_uint32	ksize
	)

[Graph] Creates a OpenCV medianBlur function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_U16` format.
[out]	output	The output image is as same size and type of input.
[in]	ksize	The input `VX_TYPE_UINT32` scalar to set the aperture linear size.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_morphologyEX()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_morphologyEX	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_int32	OP,
		vx_matrix	Kernel,
		vx_int32	Anchor_X,
		vx_int32	Anchor_Y,
		vx_int32	iterations,
		vx_int32	border
	)

[Graph] Creates a OpenCV morphologyEX function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	OP	The input `VX_TYPE_INT32` scalar to set OP.
[in]	Kernel	The input `vx_matrix` matrix to set Kernel.
[in]	Anchor_X	The input `VX_TYPE_INT32` scalar to set Anchor_X.
[in]	Anchor_Y	The input `VX_TYPE_INT32` scalar to set Anchor_Y.
[in]	iterations	The input `VX_TYPE_INT32` scalar to set iterations.
[in]	border	The input `VX_TYPE_INT32` scalar to set border.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_mserDetect()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_mserDetect	(	vx_graph	graph,
		vx_image	input,
		vx_array	output_kp,
		vx_image	mask,
		vx_int32	delta,
		vx_int32	min_area,
		vx_int32	max_area,
		vx_float32	max_variation,
		vx_float32	min_diversity,
		vx_int32	max_evolution,
		vx_float32	area_threshold,
		vx_float32	min_margin,
		vx_int32	edge_blur_size
	)

[Graph] Creates a OpenCV MSER feature detector node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_RGB` format.
[out]	output_kp	The output keypoints `vx_array` of `VX_TYPE_KEYPOINT`.
[in]	mask	The mask image in `VX_DF_IMAGE_U8` format (optional).
[in]	delta	The input `VX_TYPE_INT32` scalar for delta argument.
[in]	min_area	The input `VX_TYPE_INT32` scalar for min_area argument.
[in]	max_area	The input `VX_TYPE_INT32` scalar for max_area argument.
[in]	max_variation	The input `VX_TYPE_FLOAT32` scalar for max_variation argument.
[in]	min_diversity	The input `VX_TYPE_FLOAT32` scalar for min_diversity argument.
[in]	max_evolution	The input `VX_TYPE_INT32` scalar for max_evolution argument.
[in]	area_threshold	The input `VX_TYPE_FLOAT32` scalar for area_threshold argument.
[in]	min_margin	The input `VX_TYPE_FLOAT32` scalar for min_margin argument.
[in]	edge_blur_size	The input `VX_TYPE_INT32` scalar for max_area argument.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_multiply()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_multiply	(	vx_graph	graph,
		vx_image	input_1,
		vx_image	input_2,
		vx_image	output,
		vx_float32	scale,
		vx_int32	dtype
	)

[Graph] Creates a OpenCV Multiply function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input_1	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[in]	input_2	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[out]	output	The output image is as same size and type of input.
[in]	scale	The input `VX_TYPE_FLOAT32` scalar to set scale.
[in]	dtype	The input `VX_TYPE_INT32` scalar to set dtype.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_norm()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_norm	(	vx_graph	graph,
		vx_image	input,
		vx_float32	norm_value,
		vx_int32	norm_type
	)

[Graph] Creates a OpenCV norm function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	norm_value	The output `VX_TYPE_FLOAT32` scalar norm_value.
[in]	sdepth	The input `VX_TYPE_INT32` scalar to set sdepth.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_orbCompute()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_orbCompute	(	vx_graph	graph,
		vx_image	input,
		vx_image	mask,
		vx_array	output_kp,
		vx_array	output_des,
		vx_int32	nfeatures,
		vx_float32	scaleFactor,
		vx_int32	nlevels,
		vx_int32	edgeThreshold,
		vx_int32	firstLevel,
		vx_int32	WTA_K,
		vx_int32	scoreType,
		vx_int32	patchSize
	)

[Graph] Creates a OpenCV ORB Compute node to detect keypoints and optionally compute descriptors.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[in]	input_kp	The output keypoints `vx_array` of `VX_TYPE_KEYPOINT`.
[out]	output_des	The output descriptors `vx_array` of user defined data type with 64/128 byte element size depending upon extended argument.
[in]	scaleFactor	The input `VX_TYPE_FLOAT32` scalar for scaleFactor argument.
[in]	nlevels	The input `VX_TYPE_INT32` scalar for nlevels argument.
[in]	edgeThreshold	The input `VX_TYPE_INT32` scalar for edgeThreshold argument.
[in]	firstLevel	The input `VX_TYPE_INT32` scalar for firstLevel argument.
[in]	WTA_K	The input `VX_TYPE_INT32` scalar for WTA_K argument.
[in]	patchSize	The input `VX_TYPE_INT32` scalar for patchSize argument.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_orbDetect()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_orbDetect	(	vx_graph	graph,
		vx_image	input,
		vx_image	mask,
		vx_array	output_kp,
		vx_int32	nfeatures,
		vx_float32	scaleFactor,
		vx_int32	nlevels,
		vx_int32	edgeThreshold,
		vx_int32	firstLevel,
		vx_int32	WTA_K,
		vx_int32	scoreType,
		vx_int32	patchSize
	)

[Graph] Creates a OpenCV ORB detector node to detect keypoints and optionally compute descriptors.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[in]	mask	The mask image in `VX_DF_IMAGE_U8` format (optional).
[out]	output_kp	The output keypoints `vx_array` of `VX_TYPE_KEYPOINT`.
[out]	output_des	The output descriptors `vx_array` of user defined data type with 64/128 byte element size depending upon extended argument (optional).
[in]	nfeatures	The input `VX_TYPE_INT32` scalar for nfeatures argument.
[in]	scaleFactor	The input `VX_TYPE_FLOAT32` scalar for scaleFactor argument.
[in]	nlevels	The input `VX_TYPE_INT32` scalar for nlevels argument.
[in]	edgeThreshold	The input `VX_TYPE_INT32` scalar for edgeThreshold argument.
[in]	firstLevel	The input `VX_TYPE_INT32` scalar for firstLevel argument.
[in]	WTA_K	The input `VX_TYPE_INT32` scalar for WTA_K argument.
[in]	scoreType	The input `VX_TYPE_INT32` scalar for scoreType argument.
[in]	patchSize	The input `VX_TYPE_INT32` scalar for patchSize argument.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_pyrDown()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_pyrDown	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_uint32	Swidth,
		vx_uint32	Sheight,
		vx_int32	bordertype
	)

[Graph] Creates a OpenCV pyrdown function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	Swidth	The input `VX_TYPE_UINT32` scalar to set Swidth.
[in]	Sheight	The input `VX_TYPE_UINT32` scalar to set Sheight.
[in]	bordertype	The input `VX_TYPE_INT32` scalar to set bordertype.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_pyrUp()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_pyrUp	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_uint32	Swidth,
		vx_uint32	Sheight,
		vx_int32	bordertype
	)

[Graph] Creates a OpenCV pyrup function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	Swidth	The input `VX_TYPE_UINT32` scalar to set Swidth.
[in]	Sheight	The input `VX_TYPE_UINT32` scalar to set Sheight.
[in]	bordertype	The input `VX_TYPE_INT32` scalar to set bordertype.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_resize()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_resize	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_int32	Size_X,
		vx_int32	Size_Y,
		vx_float32	FX,
		vx_float32	FY,
		vx_int32	interpolation
	)

[Graph] Creates a OpenCV Resize function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	Size_X	The input `VX_TYPE_INT32` scalar to set Size_X.
[in]	Size_Y	The input `VX_TYPE_INT32` scalar to set Size_Y.
[in]	FX	The input `VX_TYPE_FLOAT32` scalar to set FX.
[in]	FY	The input `VX_TYPE_FLOAT32` scalar to set FY.
[in]	interpolation	The input `VX_TYPE_INT32` scalar to set interpolation.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_scharr()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_scharr	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_int32	ddepth,
		vx_int32	dx,
		vx_int32	dy,
		vx_float32	scale,
		vx_float32	delta,
		vx_int32	bordertype
	)

[Graph] Creates a OpenCV Scharr function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	ddepth	The input `VX_TYPE_INT32` scalar to set ddepth.
[in]	dx	The input `VX_TYPE_INT32` scalar to set dx.
[in]	dy	The input `VX_TYPE_INT32` scalar to set dy.
[in]	scale	The input `VX_TYPE_FLOAT32` scalar to set scale.
[in]	delta	The input `VX_TYPE_FLOAT32` scalar to set delta.
[in]	bordertype	The input `VX_TYPE_INT32` scalar to set bordertype.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_sepFilter2D()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_sepFilter2D	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_int32	ddepth,
		vx_matrix	KernelX,
		vx_matrix	KernelY,
		vx_int32	Anchor_X,
		vx_int32	Anchor_Y,
		vx_float32	delta,
		vx_int32	border
	)

[Graph] Creates a OpenCV sepFilter2D function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	ddepth	The input `VX_TYPE_INT32` scalar to set ddepth.
[in]	KernelX	The input `vx_matrix` matrix to set KernelX.
[in]	KernelY	The input `vx_matrix` matrix to set KernelY.
[in]	Anchor_X	The input `VX_TYPE_INT32` scalar to set Anchor_X.
[in]	Anchor_Y	The input `VX_TYPE_INT32` scalar to set Anchor_Y.
[in]	delta	The input `VX_TYPE_FLOAT32` scalar to set delta.
[in]	border	The input `VX_TYPE_INT32` scalar to set border.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_siftCompute()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_siftCompute	(	vx_graph	graph,
		vx_image	input,
		vx_image	mask,
		vx_array	output_kp,
		vx_array	output_des,
		vx_int32	nfeatures,
		vx_int32	nOctaveLayers,
		vx_float32	contrastThreshold,
		vx_float32	edgeThreshold,
		vx_float32	sigma
	)

[Graph] Creates a OpenCV SIFT Compute node to compute descriptor from specified keypoints.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[in]	input_kp	The input keypoints `vx_array` of `VX_TYPE_KEYPOINT`.
[out]	output_des	The output descriptors `vx_array` of user defined data type with 128 byte element size.
[in]	nOctaveLayers	The input `VX_TYPE_INT32` scalar for nOctaveLayers argument.
[in]	sigma	The input `VX_TYPE_FLOAT32` scalar for sigma argument.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_siftDetect()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_siftDetect	(	vx_graph	graph,
		vx_image	input,
		vx_image	mask,
		vx_array	output_kp,
		vx_int32	nfeatures,
		vx_int32	nOctaveLayers,
		vx_float32	contrastThreshold,
		vx_float32	edgeThreshold,
		vx_float32	sigma
	)

[Graph] Creates a OpenCV SIFT detector node to detect keypoints and optionally compute descriptors.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[in]	mask	The mask image in `VX_DF_IMAGE_U8` format (optional).
[out]	output_kp	The output keypoints `vx_array` of `VX_TYPE_KEYPOINT`.
[out]	output_des	The output descriptors `vx_array` of user defined data type with 128 byte element size (optional).
[in]	nfeatures	The input `VX_TYPE_INT32` scalar for nfeatures argument. Set this to capacity of output_kp to retain best keypoints.
[in]	nOctaveLayers	The input `VX_TYPE_INT32` scalar for nOctaveLayers argument.
[in]	contrastThreshold	The input `VX_TYPE_FLOAT32` scalar for contrastThreshold argument.
[in]	edgeThreshold	The input `VX_TYPE_FLOAT32` scalar for edgeThreshold argument.
[in]	sigma	The input `VX_TYPE_FLOAT32` scalar for sigma argument.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_simpleBlobDetector()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_simpleBlobDetector	(	vx_graph	graph,
		vx_image	input,
		vx_array	output_kp,
		vx_image	mask
	)

[Graph] Creates a OpenCV Simple Blob detector node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_RGB` format.
[out]	output_kp	The output keypoints `vx_array` of `VX_TYPE_KEYPOINT`.
[in]	mask	The mask image in `VX_DF_IMAGE_U8` format (optional).

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_sobel()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_sobel	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_int32	ddepth,
		vx_int32	dx,
		vx_int32	dy,
		vx_int32	Ksize,
		vx_float32	scale,
		vx_float32	delta,
		vx_int32	bordertype
	)

[Graph] Creates a OpenCV Sobel function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	ddepth	The input `VX_TYPE_INT32` scalar to set ddepth.
[in]	dx	The input `VX_TYPE_INT32` scalar to set dx.
[in]	dy	The input `VX_TYPE_INT32` scalar to set dy.
[in]	Ksize	The input `VX_TYPE_INT32` scalar to set Ksize.
[in]	scale	The input `VX_TYPE_FLOAT32` scalar to set scale.
[in]	delta	The input `VX_TYPE_FLOAT32` scalar to set delta.
[in]	bordertype	The input `VX_TYPE_INT32` scalar to set bordertype.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_starFeatureDetector()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_starFeatureDetector	(	vx_graph	graph,
		vx_image	input,
		vx_array	output_kp,
		vx_image	mask,
		vx_int32	maxSize,
		vx_int32	responseThreshold,
		vx_int32	lineThresholdProjected,
		vx_int32	lineThresholdBinarized,
		vx_int32	suppressNonmaxSize
	)

[Graph] Creates a OpenCV Star feature detector node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_RGB` format.
[out]	output_kp	The output keypoints `vx_array` of `VX_TYPE_KEYPOINT`.
[in]	mask	The mask image in `VX_DF_IMAGE_U8` format (optional).
[in]	maxSize	The input `VX_TYPE_INT32` scalar for maxSize argument.
[in]	responseThreshold	The input `VX_TYPE_INT32` scalar for responseThreshold argument.
[in]	lineThresholdProjected	The input `VX_TYPE_INT32` scalar for lineThresholdProjected argument.
[in]	lineThresholdBinarized	The input `VX_TYPE_INT32` scalar for lineThresholdBinarized argument.
[in]	suppressNonmaxSize	The input `VX_TYPE_INT32` scalar for suppressNonmaxSize argument.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_subtract()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_subtract	(	vx_graph	graph,
		vx_image	input_1,
		vx_image	input_2,
		vx_image	output
	)

[Graph] Creates a OpenCV Subtract function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input_1	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[in]	input_2	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` format.
[out]	output	The output image is as same size and type of input.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_surfCompute()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_surfCompute	(	vx_graph	graph,
		vx_image	input,
		vx_image	mask,
		vx_array	output_kp,
		vx_array	output_des,
		vx_float32	hessianThreshold,
		vx_int32	nOctaves,
		vx_int32	nOctaveLayers,
		vx_bool	extended,
		vx_bool	upright
	)

[Graph] Creates a OpenCV SURF Compute node to compute descriptor from specified keypoints.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[in]	input_kp	The input keypoints `vx_array` of `VX_TYPE_KEYPOINT`.
[out]	output_des	The output descriptors `vx_array` of user defined data type with 64/128 byte element size depending upon extended argument.
[in]	extended	The input `VX_TYPE_BOOL` scalar for extended argument.
[in]	upright	The input `VX_TYPE_BOOL` scalar for upright argument.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_surfDetect()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_surfDetect	(	vx_graph	graph,
		vx_image	input,
		vx_image	mask,
		vx_array	output_kp,
		vx_array	output_des,
		vx_float32	hessianThreshold,
		vx_int32	nOctaves,
		vx_int32	nOctaveLayers
	)

[Graph] Creates a OpenCV SURF detector node to detect keypoints and optionally compute descriptors.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[in]	mask	The mask image in `VX_DF_IMAGE_U8` format (optional).
[out]	output_kp	The output keypoints `vx_array` of `VX_TYPE_KEYPOINT`.
[out]	output_des	The output descriptors `vx_array` of user defined data type with 64/128 byte element size depending upon extended argument (optional).
[in]	hessianThreshold	The input `VX_TYPE_FLOAT32` scalar for hessianThreshold argument.
[in]	nOctaves	The input `VX_TYPE_INT32` scalar for nOctaves argument.
[in]	nOctaveLayers	The input `VX_TYPE_INT32` scalar for nOctaveLayers argument.
[in]	extended	The input `VX_TYPE_BOOL` scalar for extended argument.
[in]	upright	The input `VX_TYPE_BOOL` scalar for upright argument.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_threshold()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_threshold	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_float32	thresh,
		vx_float32	maxVal,
		vx_int32	type
	)

[Graph] Creates a OpenCV threshold function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	thresh	The input `VX_TYPE_FLOAT32` scalar to set thresh.
[in]	maxVal	The input `VX_TYPE_FLOAT32` scalar to set maxVal.
[in]	type	The input `VX_TYPE_UINT32` scalar to set type.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_transpose()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_transpose	(	vx_graph	graph,
		vx_image	input,
		vx_image	output
	)

[Graph] Creates a OpenCV transpose function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` or `VX_DF_IMAGE_S16` or `VX_DF_IMAGE_U16` format.
[out]	output	The output image is as same size and type of input.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_warpAffine()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_warpAffine	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_matrix	M,
		vx_int32	Size_X,
		vx_int32	Size_Y,
		vx_int32	flags,
		vx_int32	border
	)

[Graph] Creates a OpenCV warpAffine function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	M	The input `vx_matrix` matrix to set M.
[in]	Size_X	The input `VX_TYPE_INT32` scalar to set Size_X.
[in]	Size_Y	The input `VX_TYPE_INT32` scalar to set Size_Y.
[in]	flags	The input `VX_TYPE_INT32` scalar to set flags.
[in]	border	The input `VX_TYPE_INT32` scalar to set border.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ vxExtCvNode_warpPerspective()

SHARED_PUBLIC vx_node VX_API_CALL vxExtCvNode_warpPerspective	(	vx_graph	graph,
		vx_image	input,
		vx_image	output,
		vx_matrix	M,
		vx_int32	Size_X,
		vx_int32	Size_Y,
		vx_int32	flags,
		vx_int32	border
	)

[Graph] Creates a OpenCV warpPerspective function node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in `VX_DF_IMAGE_U8` format.
[out]	output	The output image is as same size and type of input.
[in]	M	The input `vx_matrix` matrix to set M.
[in]	Size_X	The input `VX_TYPE_INT32` scalar to set Size_X.
[in]	Size_Y	The input `VX_TYPE_INT32` scalar to set Size_Y.
[in]	flags	The input `VX_TYPE_INT32` scalar to set flags.
[in]	border	The input `VX_TYPE_INT32` scalar to set border.

Returns: vx_node.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

AMD OpenCV Interop API

AMD OpenCV Interop API#

Functions

Detailed Description

Function Documentation

◆ vxExtCvNode_absDiff()

◆ vxExtCvNode_adaptiveThreshold()

◆ vxExtCvNode_add()

◆ vxExtCvNode_addWeighted()

◆ vxExtCvNode_bilateralFilter()

◆ vxExtCvNode_bitwiseAnd()

◆ vxExtCvNode_bitwiseNot()

◆ vxExtCvNode_bitwiseOr()

◆ vxExtCvNode_bitwiseXor()

◆ vxExtCvNode_blur()

◆ vxExtCvNode_boxFilter()

◆ vxExtCvNode_briskCompute()

◆ vxExtCvNode_briskDetect()

◆ vxExtCvNode_buildOpticalFlowPyramid()

◆ vxExtCvNode_buildPyramid()

◆ vxExtCvNode_canny()

◆ vxExtCvNode_compare()

◆ vxExtCvNode_convertScaleAbs()

◆ vxExtCvNode_cornerHarris()

◆ vxExtCvNode_cornerMinEigenVal()

◆ vxExtCvNode_countNonZero()

◆ vxExtCvNode_cvtColor()

◆ vxExtCvNode_dilate()

◆ vxExtCvNode_distanceTransform()

◆ vxExtCvNode_divide()

◆ vxExtCvNode_erode()

◆ vxExtCvNode_fast()

◆ vxExtCvNode_fastNlMeansDenoising()

◆ vxExtCvNode_fastNlMeansDenoisingColored()

◆ vxExtCvNode_filter2D()

◆ vxExtCvNode_flip()

◆ vxExtCvNode_gaussianBlur()

◆ vxExtCvNode_goodFeaturesToTrack()

◆ vxExtCvNode_integral()

◆ vxExtCvNode_laplacian()

◆ vxExtCvNode_medianBlur()

◆ vxExtCvNode_morphologyEX()

◆ vxExtCvNode_mserDetect()

◆ vxExtCvNode_multiply()

◆ vxExtCvNode_norm()

◆ vxExtCvNode_orbCompute()

◆ vxExtCvNode_orbDetect()

◆ vxExtCvNode_pyrDown()

◆ vxExtCvNode_pyrUp()

◆ vxExtCvNode_resize()

◆ vxExtCvNode_scharr()

◆ vxExtCvNode_sepFilter2D()

◆ vxExtCvNode_siftCompute()

◆ vxExtCvNode_siftDetect()

◆ vxExtCvNode_simpleBlobDetector()

◆ vxExtCvNode_sobel()

◆ vxExtCvNode_starFeatureDetector()

◆ vxExtCvNode_subtract()

◆ vxExtCvNode_surfCompute()

◆ vxExtCvNode_surfDetect()

◆ vxExtCvNode_threshold()

◆ vxExtCvNode_transpose()

◆ vxExtCvNode_warpAffine()

◆ vxExtCvNode_warpPerspective()