AMD OpenCV Extension

AMD OpenCV Extension#

The AMD OpenCV (vx_opencv) is an OpenVX module that implements a mechanism to access OpenCV functionality as OpenVX kernels. These kernels can be accessed from within OpenVX framework using OpenVX API call vxLoadKernels(context, “vx_opencv”).

List of OpenCV-interop kernels#

The following is a list of OpenCV functions that have been included in the vx_opencv module.

bilateralFilter             org.opencv.bilateralfilter
blur                        org.opencv.blur
boxfilter                   org.opencv.boxfilter
buildPyramid                org.opencv.buildpyramid
Dilate                      org.opencv.dilate 
Erode                       org.opencv.erode 
filter2D                    org.opencv.filter2d
GaussianBlur                org.opencv.gaussianblur
MedianBlur                  org.opencv.medianblur
morphologyEx                org.opencv.morphologyex
Laplacian                   org.opencv.laplacian
pyrDown                     org.opencv.pyrdown
pyrUp                       org.opencv.pyrup
sepFilter2D                 org.opencv.sepfilter2d
Sobel                       org.opencv.sobel
Scharr                      org.opencv.scharr
FAST                        org.opencv.fast
MSER                        org.opencv.mser_detect 
ORB                         org.opencv.orb_detect
ORB_Compute                 org.opencv.orb_compute   
BRISK                       org.opencv.brisk_detect
BRISK_Compute               org.opencv.brisk_compute 
SimpleBlobDetector          org.opencv.simple_blob_detect                   
SimpleBlobDetector_Init     org.opencv.simple_blob_detect_initialize 
SIFT_Detect                 org.opencv.sift_detect 
SIFT_Compute                org.opencv.sift_compute                         
SURF_Detect                 org.opencv.surf_detect
SURF_Compute                org.opencv.surf_compute
STAR_FEATURE_Detector       org.opencv.star_detect  
Canny                       org.opencv.canny  
GoodFeature_Detector        org.opencv.good_features_to_track
buildOpticalFlowPyramid     org.opencv.buildopticalflowpyramid
DistanceTransform           org.opencv.distancetransform                                           
Convert_Scale_Abs           org.opencv.convertscaleabs                      
addWeighted                 org.opencv.addweighted                          
Transpose                   org.opencv.transpose                            
Resize                      org.opencv.resize
AdaptiveThreshold           org.opencv.adaptivethreshold                                                          
Threshold                   org.opencv.threshold  
cvtcolor                    org.opencv.cvtcolor                          
Flip                        org.opencv.flip 
fastNlMeansDenoising        org.opencv.fastnlmeansdenoising
fastNlMeansDenoisingColored org.opencv.fastnlmeansdenoisingcolored 
AbsDiff                     org.opencv.absdiff                              
Compare                     org.opencv.compare
bitwise_and                 org.opencv.bitwise_and
bitwise_not                 org.opencv.bitwise_not
bitwise_or                  org.opencv.bitwise_or
bitwise_xor                 org.opencv.bitwise_xor
Add                         org.opencv.add 
Subtract                    org.opencv.subtract
Multiply                    org.opencv.multiply    
Divide                      org.opencv.divide  
WarpAffine                  org.opencv.warpaffine 
WarpPerspective             org.opencv.warpperspective

NOTE - For list of OpenVX API calls for OpenCV-interop refer include/vx_ext_opencv.h

Build Instructions#

Pre-requisites#

  • AMD OpenVX library

  • CMake 3.0 or later

  • OpenCV 3.4 with/without contrib

    • OpenCV_DIR environment variable should point to OpenCV/build folder

Build using Visual Studio 2019 on 64-bit Windows 10 / 11#

  • Use amd_openvx_extensions/amd_opencv/amd_opencv.sln to build for x64 platform

Build using CMake on Linux#

  • Use CMake to configure and generate Makefile

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