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Merge branch 4.x
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Alexander Smorkalov
@@ -137,11 +137,12 @@ HAL and Extension list of APIs
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| | |fcvFilterSobel7x7u8s16 |
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| |boxFilter |fcvBoxFilter3x3u8_v3 |
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| | |fcvBoxFilter5x5u8_v2 |
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| | |fcvBoxFilterNxNf32 |
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| |adaptiveThreshold |fcvAdaptiveThresholdGaussian3x3u8_v2 |
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| | |fcvAdaptiveThresholdGaussian5x5u8_v2 |
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| | |fcvAdaptiveThresholdMean3x3u8_v2 |
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| | |fcvAdaptiveThresholdMean5x5u8_v2 |
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| |pyrUp & pyrDown |fcvPyramidCreateu8_v4 |
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| |pyrDown |fcvPyramidCreateu8_v4 |
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| |cvtColor |fcvColorRGB888toYCrCbu8_v3 |
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| | |fcvColorRGB888ToHSV888u8 |
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| |gaussianBlur |fcvFilterGaussian5x5u8_v3 |
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@@ -167,10 +168,15 @@ HAL and Extension list of APIs
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| |addWeighted |fcvAddWeightedu8_v2 |
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| |subtract |fcvImageDiffu8f32_v2 |
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| |SVD & solve |fcvSVDf32_v2 |
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| |gemm |fcvMatrixMultiplyf32_v2 |
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| | |fcvMultiplyScalarf32 |
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| | |fcvAddf32_v2 |
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**FastCV based OpenCV Extensions APIs list :**
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These OpenCV extension APIs are implemented under the **cv::fastcv** namespace.
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|OpenCV Extension APIs |Underlying FastCV API for OpenCV acceleration |
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|----------------------|----------------------------------------------|
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|matmuls8s32 |fcvMatrixMultiplys8s32 |
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@@ -195,8 +201,10 @@ HAL and Extension list of APIs
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|remap |fcvRemapu8_v2 |
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|remapRGBA |fcvRemapRGBA8888BLu8 |
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| |fcvRemapRGBA8888NNu8 |
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|resizeDownBy2 |fcvScaleDownBy2u8_v2 |
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|resizeDownBy4 |fcvScaleDownBy4u8_v2 |
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|resizeDown |fcvScaleDownBy2u8_v2 |
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| |fcvScaleDownBy4u8_v2 |
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| |fcvScaleDownMNInterleaveu8 |
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| |fcvScaleDownMNu8 |
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|meanShift |fcvMeanShiftu8 |
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| |fcvMeanShifts32 |
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| |fcvMeanShiftf32 |
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@@ -246,3 +254,65 @@ HAL and Extension list of APIs
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| |fcvTrackLKOpticalFlowu8 |
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|warpPerspective2Plane |fcv2PlaneWarpPerspectiveu8 |
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|warpPerspective |fcvWarpPerspectiveu8_v5 |
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|arithmetic_op |fcvAddu8 |
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| |fcvAdds16_v2 |
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| |fcvAddf32 |
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| |fcvSubtractu8 |
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| |fcvSubtracts16 |
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|integrateYUV |fcvIntegrateImageYCbCr420PseudoPlanaru8 |
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|normalizeLocalBox |fcvNormalizeLocalBoxu8 |
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| |fcvNormalizeLocalBoxf32 |
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|merge |fcvChannelCombine2Planesu8 |
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| |fcvChannelCombine3Planesu8 |
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| |fcvChannelCombine4Planesu8 |
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|split |fcvDeinterleaveu8 |
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| |fcvChannelExtractu8 |
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|warpAffine |fcvTransformAffineu8_v2 |
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| |fcvTransformAffineClippedu8_v3 |
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| |fcv3ChannelTransformAffineClippedBCu8 |
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**FastCV QDSP based OpenCV Extension APIs list :**
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These OpenCV extension APIs are implemented under the **cv::fastcv::dsp** namespace.
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This namespace provides optimized implementations that leverage QDSP (**Qualcomm's Digital Signal Processor**) acceleration using FastCV's Q-suffixed APIs. These functions require DSP initialization (fcvQ6Init).
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|OpenCV Extension APIs |Underlying FastCV API for OpenCV acceleration |
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|----------------------|----------------------------------------------|
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|filter2D |fcvFilterCorr3x3s8_v2Q |
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| |fcvFilterCorrNxNu8Q |
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| |fcvFilterCorrNxNu8s16Q |
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| |fcvFilterCorrNxNu8f32Q |
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|FFT |fcvFFTu8Q |
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|IFFT |fcvIFFTf32Q |
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|fcvdspinit |fcvQ6Init |
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|fcvdspdeinit |fcvQ6DeInit |
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|Canny |fcvFilterCannyu8Q |
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|sumOfAbsoluteDiffs |fcvSumOfAbsoluteDiffs8x8u8_v2Q |
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|thresholdOtsu |fcvFilterThresholdOtsuu8Q |
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**How to Use FastCV QDSP based OpenCV Extension APIs**
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This section outlines the essential steps required to use OpenCV Extension APIs that are accelerated using FastCV on QDSP(**Qualcomm's Digital Signal Processor**).
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1. Initialize QDSP:
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- Call **cv::fastcv::dsp::fcvdspinit()** to initialize the QDSP.
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2. Allocate memory using **Qualcomm's memory allocator** for all buffers that are being fed to the OpenCV extension API.:
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- Use **cv::fastcv::getQcAllocator()** to assign the allocator to the buffers.
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- Example:
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cv::Mat src;
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src.allocator = cv::fastcv::getQcAllocator(); **// Set Qualcomm's memory allocator**
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\
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After setting Qualcomm's memory allocator, any buffer created using methods like src.create(...), cv::imread(...) etc., will have its memory allocated using Qualcomm's memory allocator.
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3. Call the OpenCV extension API from 'cv::fastcv::dsp':
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- Example: **cv::fastcv::dsp::thresholdOtsu(src, dst, binaryType);**
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where 'src' and 'dst' are 'cv::Mat' objects with the Qualcomm's memory allocator,
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and 'binaryType' is a boolean indicating the thresholding mode.
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4. Deinitialize QDSP:
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- Call **cv::fastcv::dsp::fcvdspdeinit()** to deinitialize the QDSP.
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**Reference Example**:
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Refer to a working test case using the OpenCV Extension APIs in the opencv_contrib repository:[opencv_contrib/modules/fastcv/test/test_thresh_dsp.cpp](https://github.com/opencv/opencv_contrib/blob/4.x/modules/fastcv/test/test_thresh_dsp.cpp)
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