mirror of https://github.com/opencv/opencv.git
Merge pull request #26143 from asmorkalov:as/HAL_opticalFlowLK
Added HAL interface for Lukas-Kanade optical flow #26143 ### 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 CMakepull/25569/head
Alexander Smorkalov
2 months ago
committed by
GitHub
parent
ee685017c3
commit
881440c6c6
5 changed files with 173 additions and 53 deletions
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// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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#ifndef OPENCV_VIDEO_HAL_REPLACEMENT_HPP |
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#define OPENCV_VIDEO_HAL_REPLACEMENT_HPP |
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#include "opencv2/core/hal/interface.h" |
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#if defined(__clang__) // clang or MSVC clang
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#pragma clang diagnostic push |
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#pragma clang diagnostic ignored "-Wunused-parameter" |
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#elif defined(_MSC_VER) |
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#pragma warning(push) |
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#pragma warning(disable : 4100) |
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#elif defined(__GNUC__) |
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#pragma GCC diagnostic push |
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#pragma GCC diagnostic ignored "-Wunused-parameter" |
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#endif |
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//! @addtogroup video_hal_interface
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//! @note Define your functions to override default implementations:
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//! @code
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//! #undef cv_hal_LK_optical_flow_level
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//! #define cv_hal_LK_optical_flow_level my_hal_LK_optical_flow_level
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//! @endcode
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//! @{
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/**
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@brief Lucas-Kanade optical flow for single pyramid layer. See calcOpticalFlowPyrLK |
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@param prev_data previous frame image data |
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@param prev_data_step previous frame image data step |
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@param prev_deriv_data previous frame Schaar derivatives |
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@param prev_deriv_step previous frame Schaar derivatives step |
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@param next_data next frame image data |
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@param next_step next frame image step |
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@param width input images width |
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@param height input images height |
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@param cn source image channels |
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@param prev_points 2d points coordinates (x,y) on the previous frame |
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@param next_points points coordinates (x,y) on the next frame |
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@param point_count - amount of input points |
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@param status optical flow status for each point. Optional output, expected if not nullptr is provided |
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@param err optical flow estimation error for each point. Optional output, expected if not nullptr is provided |
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@param win_width optical flow window width |
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@param win_height optical flow window heigh |
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@param termination_count maximum algorithm iterations. 0 means unlimited |
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@param termination_epsilon maximal allowed algorithm error |
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@param get_min_eigen_vals return minimal egen values as point errors in err buffer |
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@param min_eigen_vals_threshold eigen values threshold |
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**/ |
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inline int hal_ni_LKOpticalFlowLevel(const uchar *prev_data, size_t prev_data_step, |
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const short* prev_deriv_data, size_t prev_deriv_step, |
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const uchar* next_data, size_t next_step, |
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int width, int height, int cn, |
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const float *prev_points, float *next_points, size_t point_count, |
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uchar *status, float *err, |
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const int win_width, const int win_height, |
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int termination_count, double termination_epsilon, |
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bool get_min_eigen_vals, |
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float min_eigen_vals_threshold) |
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{ |
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return CV_HAL_ERROR_NOT_IMPLEMENTED; |
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} |
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//! @cond IGNORED
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#define cv_hal_LKOpticalFlowLevel hal_ni_LKOpticalFlowLevel |
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//! @endcond
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//! @}
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#if defined(__clang__) |
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#pragma clang diagnostic pop |
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#elif defined(_MSC_VER) |
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#pragma warning(pop) |
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#elif defined(__GNUC__) |
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#pragma GCC diagnostic pop |
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#endif |
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#include "custom_hal.hpp" |
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//! @cond IGNORED
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#define CALL_HAL_RET(name, fun, retval, ...) \ |
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int res = __CV_EXPAND(fun(__VA_ARGS__, &retval)); \
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if (res == CV_HAL_ERROR_OK) \
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return retval; \
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else if (res != CV_HAL_ERROR_NOT_IMPLEMENTED) \
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CV_Error_(cv::Error::StsInternal, \
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("HAL implementation " CVAUX_STR(name) " ==> " CVAUX_STR(fun) " returned %d (0x%08x)", res, res)); |
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#define CALL_HAL(name, fun, ...) \ |
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int res = __CV_EXPAND(fun(__VA_ARGS__)); \
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if (res == CV_HAL_ERROR_OK) \
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return; \
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else if (res != CV_HAL_ERROR_NOT_IMPLEMENTED) \
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CV_Error_(cv::Error::StsInternal, \
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("HAL implementation " CVAUX_STR(name) " ==> " CVAUX_STR(fun) " returned %d (0x%08x)", res, res)); |
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//! @endcond
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#endif |
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