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Merge pull request #26236 from asmorkalov:as/HAL_pyrlk_hack_documentation

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Added HAL documentation note for out-of-bound hack in optical flow LK.
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Alexander Smorkalov 2024-10-02 17:49:09 +03:00 committed by GitHub
commit 73b3b24c56
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6
modules/video/src/hal_replacement.hpp
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@ -27,7 +27,9 @@
//! @{ //! @{
/** /**
@brief Lucas-Kanade optical flow for single pyramid layer. See calcOpticalFlowPyrLK @brief Lucas-Kanade optical flow for single pyramid layer. See calcOpticalFlowPyrLK.
@note OpenCV builds pyramid levels with `win_size` padding. Out-of-bound access to source
image data is legal within `+-win_size` range.
@param prev_data previous frame image data @param prev_data previous frame image data
@param prev_data_step previous frame image data step @param prev_data_step previous frame image data step
@param prev_deriv_data previous frame Schaar derivatives @param prev_deriv_data previous frame Schaar derivatives
@ -69,6 +71,8 @@ inline int hal_ni_LKOpticalFlowLevel(const uchar *prev_data, size_t prev_data_st
/** /**
@brief Computes Schaar derivatives with inteleaved layout xyxy... @brief Computes Schaar derivatives with inteleaved layout xyxy...
@note OpenCV builds pyramid levels with `win_size` padding. Out-of-bound access to source
image data is legal within `+-win_size` range.
@param src_data source image data @param src_data source image data
@param src_step source image step @param src_step source image step
@param dst_data destination buffer data @param dst_data destination buffer data