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vxu.h
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1 /*
2  * Copyright (c) 2012-2020 The Khronos Group Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef _OPENVX_UTILITY_H_
18 #define _OPENVX_UTILITY_H_
19 
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 
38 VX_API_ENTRY vx_status VX_API_CALL vxuColorConvert(vx_context context, vx_image input, vx_image output);
39 
50 VX_API_ENTRY vx_status VX_API_CALL vxuChannelExtract(vx_context context, vx_image input, vx_enum channel, vx_image output);
51 
64 VX_API_ENTRY vx_status VX_API_CALL vxuChannelCombine(vx_context context, vx_image plane0, vx_image plane1, vx_image plane2, vx_image plane3, vx_image output);
65 
76 VX_API_ENTRY vx_status VX_API_CALL vxuSobel3x3(vx_context context, vx_image input, vx_image output_x, vx_image output_y);
77 
88 VX_API_ENTRY vx_status VX_API_CALL vxuMagnitude(vx_context context, vx_image grad_x, vx_image grad_y, vx_image mag);
89 
100 VX_API_ENTRY vx_status VX_API_CALL vxuPhase(vx_context context, vx_image grad_x, vx_image grad_y, vx_image orientation);
101 
113 VX_API_ENTRY vx_status VX_API_CALL vxuScaleImage(vx_context context, vx_image src, vx_image dst, vx_enum type);
114 
125 VX_API_ENTRY vx_status VX_API_CALL vxuTableLookup(vx_context context, vx_image input, vx_lut lut, vx_image output);
126 
136 VX_API_ENTRY vx_status VX_API_CALL vxuHistogram(vx_context context, vx_image input, vx_distribution distribution);
137 
147 VX_API_ENTRY vx_status VX_API_CALL vxuEqualizeHist(vx_context context, vx_image input, vx_image output);
148 
159 VX_API_ENTRY vx_status VX_API_CALL vxuAbsDiff(vx_context context, vx_image in1, vx_image in2, vx_image out);
160 
171 VX_API_ENTRY vx_status VX_API_CALL vxuMeanStdDev(vx_context context, vx_image input, vx_float32 *mean, vx_float32 *stddev);
172 
188 VX_API_ENTRY vx_status VX_API_CALL vxuThreshold(vx_context context, vx_image input, vx_threshold thresh, vx_image output);
189 
203 VX_API_ENTRY vx_status VX_API_CALL vxuNonMaxSuppression(vx_context context, vx_image input, vx_image mask, vx_int32 win_size, vx_image output);
204 
214 VX_API_ENTRY vx_status VX_API_CALL vxuIntegralImage(vx_context context, vx_image input, vx_image output);
215 
226 VX_API_ENTRY vx_status VX_API_CALL vxuErode3x3(vx_context context, vx_image input, vx_image output);
227 
238 VX_API_ENTRY vx_status VX_API_CALL vxuDilate3x3(vx_context context, vx_image input, vx_image output);
239 
250 VX_API_ENTRY vx_status VX_API_CALL vxuMedian3x3(vx_context context, vx_image input, vx_image output);
251 
261 VX_API_ENTRY vx_status VX_API_CALL vxuBox3x3(vx_context context, vx_image input, vx_image output);
262 
272 VX_API_ENTRY vx_status VX_API_CALL vxuGaussian3x3(vx_context context, vx_image input, vx_image output);
273 
287 VX_API_ENTRY vx_status VX_API_CALL vxuNonLinearFilter(vx_context context, vx_enum function, vx_image input, vx_matrix mask, vx_image output);
288 
289 
301 VX_API_ENTRY vx_status VX_API_CALL vxuConvolve(vx_context context, vx_image input, vx_convolution conv, vx_image output);
302 
312 VX_API_ENTRY vx_status VX_API_CALL vxuGaussianPyramid(vx_context context, vx_image input, vx_pyramid gaussian);
313 
325 VX_API_ENTRY vx_status VX_API_CALL vxuLaplacianPyramid(vx_context context, vx_image input, vx_pyramid laplacian, vx_image output);
326 
338 VX_API_ENTRY vx_status VX_API_CALL vxuLaplacianReconstruct(vx_context context, vx_pyramid laplacian, vx_image input,
339  vx_image output);
340 
352 VX_API_ENTRY vx_status VX_API_CALL vxuWeightedAverage(vx_context context, vx_image img1, vx_scalar alpha, vx_image img2, vx_image output);
353 
368 VX_API_ENTRY vx_status VX_API_CALL vxuMinMaxLoc(vx_context context, vx_image input,
369  vx_scalar minVal, vx_scalar maxVal,
370  vx_array minLoc, vx_array maxLoc,
371  vx_scalar minCount, vx_scalar maxCount);
372 
383 VX_API_ENTRY vx_status VX_API_CALL vxuMin(vx_context context, vx_image in1, vx_image in2, vx_image out);
384 
395 VX_API_ENTRY vx_status VX_API_CALL vxuMax(vx_context context, vx_image in1, vx_image in2, vx_image out);
396 
408 VX_API_ENTRY vx_status VX_API_CALL vxuConvertDepth(vx_context context, vx_image input, vx_image output, vx_enum policy, vx_int32 shift);
409 
424 VX_API_ENTRY vx_status VX_API_CALL vxuCannyEdgeDetector(vx_context context, vx_image input, vx_threshold hyst,
425  vx_int32 gradient_size, vx_enum norm_type,
426  vx_image output);
427 
438 VX_API_ENTRY vx_status VX_API_CALL vxuHalfScaleGaussian(vx_context context, vx_image input, vx_image output, vx_int32 kernel_size);
439 
451 VX_API_ENTRY vx_status VX_API_CALL vxuAnd(vx_context context, vx_image in1, vx_image in2, vx_image out);
452 
464 VX_API_ENTRY vx_status VX_API_CALL vxuOr(vx_context context, vx_image in1, vx_image in2, vx_image out);
465 
477 VX_API_ENTRY vx_status VX_API_CALL vxuXor(vx_context context, vx_image in1, vx_image in2, vx_image out);
478 
489 VX_API_ENTRY vx_status VX_API_CALL vxuNot(vx_context context, vx_image input, vx_image output);
490 
504 VX_API_ENTRY vx_status VX_API_CALL vxuMultiply(vx_context context, vx_image in1, vx_image in2, vx_float32 scale, vx_enum overflow_policy, vx_enum rounding_policy, vx_image out);
505 
517 VX_API_ENTRY vx_status VX_API_CALL vxuAdd(vx_context context, vx_image in1, vx_image in2, vx_enum policy, vx_image out);
518 
530 VX_API_ENTRY vx_status VX_API_CALL vxuSubtract(vx_context context, vx_image in1, vx_image in2, vx_enum policy, vx_image out);
531 
545 VX_API_ENTRY vx_status VX_API_CALL vxuWarpAffine(vx_context context, vx_image input, vx_matrix matrix, vx_enum type, vx_image output);
546 
559 VX_API_ENTRY vx_status VX_API_CALL vxuWarpPerspective(vx_context context, vx_image input, vx_matrix matrix, vx_enum type, vx_image output);
560 
578 VX_API_ENTRY vx_status VX_API_CALL vxuHarrisCorners(vx_context context,
579  vx_image input,
580  vx_scalar strength_thresh,
581  vx_scalar min_distance,
582  vx_scalar sensitivity,
583  vx_int32 gradient_size,
584  vx_int32 block_size,
585  vx_array corners,
586  vx_scalar num_corners);
587 
588 
604 VX_API_ENTRY vx_status VX_API_CALL vxuFastCorners(vx_context context, vx_image input, vx_scalar strength_thresh, vx_bool nonmax_suppression, vx_array corners, vx_scalar num_corners);
605 
629 VX_API_ENTRY vx_status VX_API_CALL vxuOpticalFlowPyrLK(vx_context context,
630  vx_pyramid old_images,
631  vx_pyramid new_images,
632  vx_array old_points,
633  vx_array new_points_estimates,
634  vx_array new_points,
635  vx_enum termination,
636  vx_scalar epsilon,
637  vx_scalar num_iterations,
638  vx_scalar use_initial_estimate,
639  vx_size window_dimension);
640 
656  VX_API_ENTRY vx_status VX_API_CALL vxuMatchTemplate(vx_context context, vx_image src, vx_image templateImage, vx_enum matchingMethod, vx_image output);
657 
669 VX_API_ENTRY vx_status VX_API_CALL vxuLBP(vx_context context,
670  vx_image in, vx_enum format, vx_int8 kernel_size, vx_image out);
671 
714 VX_API_ENTRY vx_status VX_API_CALL vxuHOGCells(vx_context context, vx_image input, vx_int32 cell_width, vx_int32 cell_height, vx_int32 num_bins, vx_tensor magnitudes, vx_tensor bins);
715 
754 VX_API_ENTRY vx_status VX_API_CALL vxuHOGFeatures(vx_context context, vx_image input, vx_tensor magnitudes, vx_tensor bins, const vx_hog_t *params, vx_size hog_param_size, vx_tensor features);
755 
769 VX_API_ENTRY vx_status VX_API_CALL vxuHoughLinesP(vx_context context, vx_image input, const vx_hough_lines_p_t *params, vx_array lines_array, vx_scalar num_lines);
770 
781 VX_API_ENTRY vx_status VX_API_CALL vxuRemap(vx_context context,
782  vx_image input,
783  vx_remap table,
784  vx_enum policy,
785  vx_image output);
786 
803 VX_API_ENTRY vx_status VX_API_CALL vxuBilateralFilter(vx_context context, vx_tensor src, vx_int32 diameter, vx_float32 sigmaSpace, vx_float32 sigmaValues, vx_tensor dst);
804 
822 VX_API_ENTRY vx_status VX_API_CALL vxuTensorMultiply(vx_context context, vx_tensor input1, vx_tensor input2, vx_scalar scale, vx_enum overflow_policy,
823  vx_enum rounding_policy, vx_tensor output);
824 
840 VX_API_ENTRY vx_status VX_API_CALL vxuTensorAdd(vx_context context, vx_tensor input1, vx_tensor input2, vx_enum policy, vx_tensor output);
841 
857 VX_API_ENTRY vx_status VX_API_CALL vxuTensorSubtract(vx_context context, vx_tensor input1, vx_tensor input2, vx_enum policy, vx_tensor output);
858 
872 VX_API_ENTRY vx_status VX_API_CALL vxuTensorTableLookup(vx_context context, vx_tensor input1, vx_lut lut, vx_tensor output);
873 
887 VX_API_ENTRY vx_status VX_API_CALL vxuTensorTranspose(vx_context context, vx_tensor input, vx_tensor output, vx_size dimension1, vx_size dimension2);
888 
903 VX_API_ENTRY vx_status VX_API_CALL vxuTensorConvertDepth(vx_context context, vx_tensor input, vx_enum policy, vx_scalar norm, vx_scalar offset, vx_tensor output);
904 
917 VX_API_ENTRY vx_status VX_API_CALL vxuTensorMatrixMultiply(vx_context context, vx_tensor input1, vx_tensor input2, vx_tensor input3,
918  const vx_tensor_matrix_multiply_params_t *matrix_multiply_params, vx_tensor output);
919 
920 
930 VX_API_ENTRY vx_status VX_API_CALL vxuCopy(vx_context context, vx_reference input, vx_reference output);
931 
932 #ifdef __cplusplus
933 }
934 #endif
935 
936 #endif
_vx_hough_lines_p_t
Hough lines probability parameters.
Definition: vx_types.h:1568
_vx_tensor_matrix_multiply_params_t
Matrix Multiply Parameters.
Definition: vx_types.h:1605
vx_hog_t
The HOG descriptor structure.
Definition: vx_types.h:1715
vx_convolution
struct _vx_convolution * vx_convolution
The Convolution Object. A user-defined convolution kernel of MxM elements.
Definition: vx_types.h:264
vx_context
struct _vx_context * vx_context
An opaque reference to the implementation context.
Definition: vx_types.h:218
vx_reference
struct _vx_reference * vx_reference
A generic opaque reference to any object within OpenVX.
Definition: vx_types.h:145
vx_scalar
struct _vx_scalar * vx_scalar
An opaque reference to a scalar.
Definition: vx_types.h:175
vx_threshold
struct _vx_threshold * vx_threshold
The Threshold Object. A thresholding object contains the types and limit values of the thresholding r...
Definition: vx_types.h:258
vx_size
size_t vx_size
A wrapper of size_t to keep the naming convention uniform.
Definition: vx_types.h:157
vx_remap
struct _vx_remap * vx_remap
The remap table Object. A remap table contains per-pixel mapping of output pixels to input pixels.
Definition: vx_types.h:270
vx_int8
int8_t vx_int8
An 8-bit signed value.
Definition: vx_types.h:95
vx_lut
struct _vx_lut * vx_lut
The Look-Up Table (LUT) Object.
Definition: vx_types.h:232
vx_matrix
struct _vx_matrix * vx_matrix
The Matrix Object. An MxN matrix of some unit type.
Definition: vx_types.h:245
vx_tensor
struct _vx_tensor_t * vx_tensor
The multidimensional data object (Tensor).
Definition: vx_types.h:287
vx_status
vx_enum vx_status
A formal status type with known fixed size.
Definition: vx_types.h:445
vx_enum
int32_t vx_enum
Sets the standard enumeration type size to be a fixed quantity.
Definition: vx_types.h:152
vx_int32
int32_t vx_int32
A 32-bit signed value.
Definition: vx_types.h:105
VX_API_CALL
#define VX_API_CALL
Defines calling convention for OpenVX API.
Definition: vx_types.h:56
vx_bool
vx_enum vx_bool
A formal boolean type with known fixed size.
Definition: vx_types.h:312
vx_array
struct _vx_array * vx_array
The Array Object. Array is a strongly-typed container for other data structures.
Definition: vx_types.h:275
vx_pyramid
struct _vx_pyramid * vx_pyramid
The Image Pyramid object. A set of scaled images.
Definition: vx_types.h:251
vx_distribution
struct _vx_distribution * vx_distribution
The Distribution object. This has a user-defined number of bins over a user-defined range (within a u...
Definition: vx_types.h:239
vx_float32
float vx_float32
A 32-bit float value.
Definition: vx_types.h:129
vx_image
struct _vx_image * vx_image
An opaque reference to an image.
Definition: vx_types.h:182
vxuTensorConvertDepth
VX_API_ENTRY vx_status VX_API_CALL vxuTensorConvertDepth(vx_context context, vx_tensor input, vx_enum policy, vx_scalar norm, vx_scalar offset, vx_tensor output)
[Immediate] Performs a bit-depth conversion.
vxuConvertDepth
VX_API_ENTRY vx_status VX_API_CALL vxuConvertDepth(vx_context context, vx_image input, vx_image output, vx_enum policy, vx_int32 shift)
[Immediate] Converts the input images bit-depth into the output image.
vxuNonMaxSuppression
VX_API_ENTRY vx_status VX_API_CALL vxuNonMaxSuppression(vx_context context, vx_image input, vx_image mask, vx_int32 win_size, vx_image output)
[Immediate] Performs Non-Maxima Suppression on an image, producing an image of the same type.
vxuCopy
VX_API_ENTRY vx_status VX_API_CALL vxuCopy(vx_context context, vx_reference input, vx_reference output)
[Immediate] Copy data from one object to another.
vxuTensorTranspose
VX_API_ENTRY vx_status VX_API_CALL vxuTensorTranspose(vx_context context, vx_tensor input, vx_tensor output, vx_size dimension1, vx_size dimension2)
[Immediate] Performs transpose on the input tensor. The tensor is transposed according to a specified...
vxuChannelCombine
VX_API_ENTRY vx_status VX_API_CALL vxuChannelCombine(vx_context context, vx_image plane0, vx_image plane1, vx_image plane2, vx_image plane3, vx_image output)
[Immediate] Invokes an immediate Channel Combine.
vxuGaussianPyramid
VX_API_ENTRY vx_status VX_API_CALL vxuGaussianPyramid(vx_context context, vx_image input, vx_pyramid gaussian)
[Immediate] Computes a Gaussian pyramid from an input image.
vxuNonLinearFilter
VX_API_ENTRY vx_status VX_API_CALL vxuNonLinearFilter(vx_context context, vx_enum function, vx_image input, vx_matrix mask, vx_image output)
[Immediate] Performs Non-linear Filtering.
vxuNot
VX_API_ENTRY vx_status VX_API_CALL vxuNot(vx_context context, vx_image input, vx_image output)
[Immediate] Computes the bitwise not of an image.
vxuFastCorners
VX_API_ENTRY vx_status VX_API_CALL vxuFastCorners(vx_context context, vx_image input, vx_scalar strength_thresh, vx_bool nonmax_suppression, vx_array corners, vx_scalar num_corners)
[Immediate] Computes corners on an image using FAST algorithm and produces the array of feature point...
vxuLaplacianReconstruct
VX_API_ENTRY vx_status VX_API_CALL vxuLaplacianReconstruct(vx_context context, vx_pyramid laplacian, vx_image input, vx_image output)
[Immediate] Reconstructs an image from a Laplacian Image pyramid.
vxuMedian3x3
VX_API_ENTRY vx_status VX_API_CALL vxuMedian3x3(vx_context context, vx_image input, vx_image output)
[Immediate] Computes a median filter on the image by a 3x3 window.
vxuRemap
VX_API_ENTRY vx_status VX_API_CALL vxuRemap(vx_context context, vx_image input, vx_remap table, vx_enum policy, vx_image output)
[Immediate] Remaps an output image from an input image.
vxuHarrisCorners
VX_API_ENTRY vx_status VX_API_CALL vxuHarrisCorners(vx_context context, vx_image input, vx_scalar strength_thresh, vx_scalar min_distance, vx_scalar sensitivity, vx_int32 gradient_size, vx_int32 block_size, vx_array corners, vx_scalar num_corners)
[Immediate] Computes the Harris Corners over an image and produces the array of scored points.
vxuSubtract
VX_API_ENTRY vx_status VX_API_CALL vxuSubtract(vx_context context, vx_image in1, vx_image in2, vx_enum policy, vx_image out)
[Immediate] Performs arithmetic subtraction on pixel values in the input images.
vxuPhase
VX_API_ENTRY vx_status VX_API_CALL vxuPhase(vx_context context, vx_image grad_x, vx_image grad_y, vx_image orientation)
[Immediate] Invokes an immediate Phase.
vxuTensorAdd
VX_API_ENTRY vx_status VX_API_CALL vxuTensorAdd(vx_context context, vx_tensor input1, vx_tensor input2, vx_enum policy, vx_tensor output)
[Immediate] Performs arithmetic addition on element values in the input tensor data.
vxuXor
VX_API_ENTRY vx_status VX_API_CALL vxuXor(vx_context context, vx_image in1, vx_image in2, vx_image out)
[Immediate] Computes the bitwise exclusive-or between two images.
vxuMatchTemplate
VX_API_ENTRY vx_status VX_API_CALL vxuMatchTemplate(vx_context context, vx_image src, vx_image templateImage, vx_enum matchingMethod, vx_image output)
[Immediate] The function compares an image template against overlapped image regions.
vxuLBP
VX_API_ENTRY vx_status VX_API_CALL vxuLBP(vx_context context, vx_image in, vx_enum format, vx_int8 kernel_size, vx_image out)
[Immediate] The function extracts LBP image from an input image
vxuEqualizeHist
VX_API_ENTRY vx_status VX_API_CALL vxuEqualizeHist(vx_context context, vx_image input, vx_image output)
[Immediate] Equalizes the Histogram of a grayscale image.
vxuAdd
VX_API_ENTRY vx_status VX_API_CALL vxuAdd(vx_context context, vx_image in1, vx_image in2, vx_enum policy, vx_image out)
[Immediate] Performs arithmetic addition on pixel values in the input images.
vxuMinMaxLoc
VX_API_ENTRY vx_status VX_API_CALL vxuMinMaxLoc(vx_context context, vx_image input, vx_scalar minVal, vx_scalar maxVal, vx_array minLoc, vx_array maxLoc, vx_scalar minCount, vx_scalar maxCount)
[Immediate] Computes the minimum and maximum values of the image.
vxuSobel3x3
VX_API_ENTRY vx_status VX_API_CALL vxuSobel3x3(vx_context context, vx_image input, vx_image output_x, vx_image output_y)
[Immediate] Invokes an immediate Sobel 3x3.
vxuTensorSubtract
VX_API_ENTRY vx_status VX_API_CALL vxuTensorSubtract(vx_context context, vx_tensor input1, vx_tensor input2, vx_enum policy, vx_tensor output)
[Immediate] Performs arithmetic subtraction on element values in the input tensor data.
vxuHOGFeatures
VX_API_ENTRY vx_status VX_API_CALL vxuHOGFeatures(vx_context context, vx_image input, vx_tensor magnitudes, vx_tensor bins, const vx_hog_t *params, vx_size hog_param_size, vx_tensor features)
[Immediate] Computes Histogram of Oriented Gradients features for the W1xW2 window in a sliding windo...
vxuGaussian3x3
VX_API_ENTRY vx_status VX_API_CALL vxuGaussian3x3(vx_context context, vx_image input, vx_image output)
[Immediate] Computes a gaussian filter on the image by a 3x3 window.
vxuAbsDiff
VX_API_ENTRY vx_status VX_API_CALL vxuAbsDiff(vx_context context, vx_image in1, vx_image in2, vx_image out)
[Immediate] Computes the absolute difference between two images.
vxuMin
VX_API_ENTRY vx_status VX_API_CALL vxuMin(vx_context context, vx_image in1, vx_image in2, vx_image out)
[Immediate] Computes pixel-wise minimum values between two images.
vxuMagnitude
VX_API_ENTRY vx_status VX_API_CALL vxuMagnitude(vx_context context, vx_image grad_x, vx_image grad_y, vx_image mag)
[Immediate] Invokes an immediate Magnitude.
vxuDilate3x3
VX_API_ENTRY vx_status VX_API_CALL vxuDilate3x3(vx_context context, vx_image input, vx_image output)
[Immediate] Dilates an image by a 3x3 window.
vxuBilateralFilter
VX_API_ENTRY vx_status VX_API_CALL vxuBilateralFilter(vx_context context, vx_tensor src, vx_int32 diameter, vx_float32 sigmaSpace, vx_float32 sigmaValues, vx_tensor dst)
[Immediate] The function applies bilateral filtering to the input tensor.
vxuHalfScaleGaussian
VX_API_ENTRY vx_status VX_API_CALL vxuHalfScaleGaussian(vx_context context, vx_image input, vx_image output, vx_int32 kernel_size)
[Immediate] Performs a Gaussian Blur on an image then half-scales it. The interpolation mode used is ...
vxuTensorMultiply
VX_API_ENTRY vx_status VX_API_CALL vxuTensorMultiply(vx_context context, vx_tensor input1, vx_tensor input2, vx_scalar scale, vx_enum overflow_policy, vx_enum rounding_policy, vx_tensor output)
[Immediate] Performs element wise multiplications on element values in the input tensor data with a s...
vxuTensorMatrixMultiply
VX_API_ENTRY vx_status VX_API_CALL vxuTensorMatrixMultiply(vx_context context, vx_tensor input1, vx_tensor input2, vx_tensor input3, const vx_tensor_matrix_multiply_params_t *matrix_multiply_params, vx_tensor output)
[Immediate] Performs a generalized matrix multiplication.
vxuAnd
VX_API_ENTRY vx_status VX_API_CALL vxuAnd(vx_context context, vx_image in1, vx_image in2, vx_image out)
[Immediate] Computes the bitwise and between two images.
vxuWarpPerspective
VX_API_ENTRY vx_status VX_API_CALL vxuWarpPerspective(vx_context context, vx_image input, vx_matrix matrix, vx_enum type, vx_image output)
[Immediate] Performs an Perspective warp on an image.
vxuMax
VX_API_ENTRY vx_status VX_API_CALL vxuMax(vx_context context, vx_image in1, vx_image in2, vx_image out)
[Immediate] Computes pixel-wise maximum values between two images.
vxuTableLookup
VX_API_ENTRY vx_status VX_API_CALL vxuTableLookup(vx_context context, vx_image input, vx_lut lut, vx_image output)
[Immediate] Processes the image through the LUT.
vxuBox3x3
VX_API_ENTRY vx_status VX_API_CALL vxuBox3x3(vx_context context, vx_image input, vx_image output)
[Immediate] Computes a box filter on the image by a 3x3 window.
vxuColorConvert
VX_API_ENTRY vx_status VX_API_CALL vxuColorConvert(vx_context context, vx_image input, vx_image output)
[Immediate] Invokes an immediate Color Conversion.
vxuMultiply
VX_API_ENTRY vx_status VX_API_CALL vxuMultiply(vx_context context, vx_image in1, vx_image in2, vx_float32 scale, vx_enum overflow_policy, vx_enum rounding_policy, vx_image out)
[Immediate] Performs elementwise multiplications on pixel values in the input images and a scale.
vxuHistogram
VX_API_ENTRY vx_status VX_API_CALL vxuHistogram(vx_context context, vx_image input, vx_distribution distribution)
[Immediate] Generates a distribution from an image.
vxuIntegralImage
VX_API_ENTRY vx_status VX_API_CALL vxuIntegralImage(vx_context context, vx_image input, vx_image output)
[Immediate] Computes the integral image of the input.
vxuHoughLinesP
VX_API_ENTRY vx_status VX_API_CALL vxuHoughLinesP(vx_context context, vx_image input, const vx_hough_lines_p_t *params, vx_array lines_array, vx_scalar num_lines)
[Immediate] Finds the Probabilistic Hough Lines detected in the input binary image,...
vxuWeightedAverage
VX_API_ENTRY vx_status VX_API_CALL vxuWeightedAverage(vx_context context, vx_image img1, vx_scalar alpha, vx_image img2, vx_image output)
[Immediate] Computes a weighted average image.
vxuOpticalFlowPyrLK
VX_API_ENTRY vx_status VX_API_CALL vxuOpticalFlowPyrLK(vx_context context, vx_pyramid old_images, vx_pyramid new_images, vx_array old_points, vx_array new_points_estimates, vx_array new_points, vx_enum termination, vx_scalar epsilon, vx_scalar num_iterations, vx_scalar use_initial_estimate, vx_size window_dimension)
[Immediate] Computes an optical flow on two images.
vxuOr
VX_API_ENTRY vx_status VX_API_CALL vxuOr(vx_context context, vx_image in1, vx_image in2, vx_image out)
[Immediate] Computes the bitwise inclusive-or between two images.
vxuChannelExtract
VX_API_ENTRY vx_status VX_API_CALL vxuChannelExtract(vx_context context, vx_image input, vx_enum channel, vx_image output)
[Immediate] Invokes an immediate Channel Extract.
vxuMeanStdDev
VX_API_ENTRY vx_status VX_API_CALL vxuMeanStdDev(vx_context context, vx_image input, vx_float32 *mean, vx_float32 *stddev)
[Immediate] Computes the mean value and optionally the standard deviation.
vxuErode3x3
VX_API_ENTRY vx_status VX_API_CALL vxuErode3x3(vx_context context, vx_image input, vx_image output)
[Immediate] Erodes an image by a 3x3 window.
vxuWarpAffine
VX_API_ENTRY vx_status VX_API_CALL vxuWarpAffine(vx_context context, vx_image input, vx_matrix matrix, vx_enum type, vx_image output)
[Immediate] Performs an Affine warp on an image.
vxuCannyEdgeDetector
VX_API_ENTRY vx_status VX_API_CALL vxuCannyEdgeDetector(vx_context context, vx_image input, vx_threshold hyst, vx_int32 gradient_size, vx_enum norm_type, vx_image output)
[Immediate] Computes Canny Edges on the input image into the output image.
vxuLaplacianPyramid
VX_API_ENTRY vx_status VX_API_CALL vxuLaplacianPyramid(vx_context context, vx_image input, vx_pyramid laplacian, vx_image output)
[Immediate] Computes a Laplacian pyramid from an input image.
vxuThreshold
VX_API_ENTRY vx_status VX_API_CALL vxuThreshold(vx_context context, vx_image input, vx_threshold thresh, vx_image output)
[Immediate] Threshold's an input image and produces a VX_DF_IMAGE_U8 boolean image.
vxuHOGCells
VX_API_ENTRY vx_status VX_API_CALL vxuHOGCells(vx_context context, vx_image input, vx_int32 cell_width, vx_int32 cell_height, vx_int32 num_bins, vx_tensor magnitudes, vx_tensor bins)
[Immediate] Performs cell calculations for the average gradient magnitude and gradient orientation hi...
vxuTensorTableLookup
VX_API_ENTRY vx_status VX_API_CALL vxuTensorTableLookup(vx_context context, vx_tensor input1, vx_lut lut, vx_tensor output)
[Immediate] Performs LUT on element values in the input tensor data.
vxuScaleImage
VX_API_ENTRY vx_status VX_API_CALL vxuScaleImage(vx_context context, vx_image src, vx_image dst, vx_enum type)
[Immediate] Scales an input image to an output image.
vxuConvolve
VX_API_ENTRY vx_status VX_API_CALL vxuConvolve(vx_context context, vx_image input, vx_convolution conv, vx_image output)
[Immediate] Computes a convolution on the input image with the supplied matrix.