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Open Source Computer Vision Library
Home Page: opencv.org
License: Other
This project forked from opencv/opencv
Open Source Computer Vision Library
Home Page: opencv.org
License: Other
SIFT::create
, ordetectAndCompute
32-bit float should be default as compability.
In current implementation, it seems that bit-exact gaussian blur only supports CV_8U (https://github.com/terfendail/opencv/blob/3.4/modules/imgproc/src/smooth.dispatch.cpp#L657).
To create precise Gaussian pyramids and DoG in bit-exact SIFT, we need fixpoint gaussian blur.
In test_descriptors_invariance.cpp
DescriptorScaleInvariance(Line 40)
In test_detectors_invariance.cpp
DetectorScaleInvariance(Line 40)
implement bit-exact version of resizeNN() in modules/imgproc/src/resize.cpp
https://software.intel.com/sites/landingpage/IntrinsicsGuide/ -description of what avx2 intrinsics intended for
https://docs.opencv.org/master/df/d91/group__core__hal__intrin.html UI in opencv
opencv\modules\core\include\opencv2\core\hal\intrin_avx.hpp
and also intrin_cpp.hpp
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