5.x merge 4.x #3951
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5.x merge 4.x #3951
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Add WarpPerspective in FastCV extension opencv#3922 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [ ] The PR is proposed to the proper branch - [ ] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake
Properly fix opencv#3316 Without this fix, we could end up with 4 corners, which might seem valid, while some of those are (0,0).
Properly fix inf/inf issue in MCC
Add FastCV DSP Initialization, QcAllocator and FastCV DSP Extension APIs opencv#3931 Merge with opencv/opencv#27290 **Detailed Description** This PR introduces FastCV DSP Extension APIs within the '**cv::fastcv::dsp**' namespace. The following APIs have been added: 1. **fcvdspinit**: Initializes the FastCV DSP environment. 2. **fcvdspdeinit**: Deinitializes the FastCV DSP environment. 3. **sumOfAbsoluteDiffs**: Computes the sum of absolute differences of an image against an 8x8 template. 4. **thresholdOtsu**: Binarizes a grayscale image using Otsu's method. 5. **FFT**: Computes the 1D or 2D Fast Fourier Transform of a real-valued matrix. 6. **IFFT**: Computes the 1D or 2D Inverse Fast Fourier Transform of a complex-valued matrix. 7. **canny**: Applies the Canny edge detector to an 8-bit grayscale image. 8. **filter2D**: Applies a generic 2D filter to an image. The **QcAllocator** has been added to manage memory allocations on Qualcomm's Chipsets. This allocator ensures that matrices are allocated using the Qualcomm hardware memory allocator, providing efficient DSP operations. Requires updated binary from: opencv/opencv_3rdparty#97 Requires binary from opencv/opencv_3rdparty#95 Lib Hash Update: opencv/opencv#27403 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [ ] The PR is proposed to the proper branch - [ ] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake
Add warpAffine and resizeDown APIs in FastCV Extension opencv#3936 - Added warpAffine function to apply affine transformations. 2x3 affine transformations for both CV_8UC1 and CV_8UC3 input 2x2 matrix-based patch extraction for grayscale images, with ROI. - Deprecated resizeDownBy2 and resizeDownBy4 functions. - Introduced resizeDown function to down-scale images using specified scaling factors or dimensions, supporting both single-channel (CV_8UC1) and two-channel (CV_8UC2) images. ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [ ] The PR is proposed to the proper branch - [ ] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake
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Main repo: opencv/opencv#27435
Ported from main repo:
opencv/opencv#27355 from asmorkalov:as/gapi_control_msmf
opencv/opencv#27338 from omahs:patch-1
merged:
#3931 from CodeLinaro:apreetam_5thPost
#3936 from CodeLinaro:apreetam_6thPost
#3939 from vrabaud:mcc
Previous "Merge 4.x": #3928