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Merge pull request #3607 from chacha21:cuda_phase_interleaved

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Add interleaved versions of phase/cartToPolar/polarToCart #3607

This PR is for performance only (at the cost of more template code and increased GPU code size) The additional variants can help the caller skip the creation of temporary GPU mats (where memory is more likely to be a critical resource), and can even allow in-place processing. magnitude/angles/x/y are often already interleaved when dealing with DFTs.

### 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
- [X] The PR is proposed to the proper branch
- [ ] There is a reference to the original bug report and related work
- [X] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [X] The feature is well documented and sample code can be built with the project CMake
This commit is contained in:
Pierre Chatelier
2024-07-22 15:00:24 +02:00
committed by GitHub
parent b2c0ce0f2b
commit 667a66ee0e
4 changed files with 546 additions and 32 deletions
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53
modules/cudaarithm/include/opencv2/cudaarithm.hpp
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@@ -433,6 +433,17 @@ CV_EXPORTS_W void magnitudeSqr(InputArray x, InputArray y, OutputArray magnitude
*/
CV_EXPORTS_W void phase(InputArray x, InputArray y, OutputArray angle, bool angleInDegrees = false, Stream& stream = Stream::Null());
/** @brief Computes polar angles of complex matrix elements.
@param xy Source matrix containing real and imaginary components ( CV_32FC2 ).
@param angle Destination matrix of angles ( CV_32FC1 ).
@param angleInDegrees Flag for angles that must be evaluated in degrees.
@param stream Stream for the asynchronous version.
@sa phase
*/
CV_EXPORTS_W void phase(InputArray xy, OutputArray angle, bool angleInDegrees = false, Stream& stream = Stream::Null());
/** @brief Converts Cartesian coordinates into polar.
@param x Source matrix containing real components ( CV_32FC1 ).
@@ -446,6 +457,29 @@ CV_EXPORTS_W void phase(InputArray x, InputArray y, OutputArray angle, bool angl
*/
CV_EXPORTS_W void cartToPolar(InputArray x, InputArray y, OutputArray magnitude, OutputArray angle, bool angleInDegrees = false, Stream& stream = Stream::Null());
/** @brief Converts Cartesian coordinates into polar.
@param xy Source matrix containing real and imaginary components ( CV_32FC2 ).
@param magnitude Destination matrix of float magnitudes ( CV_32FC1 ).
@param angle Destination matrix of angles ( CV_32FC1 ).
@param angleInDegrees Flag for angles that must be evaluated in degrees.
@param stream Stream for the asynchronous version.
@sa cartToPolar
*/
CV_EXPORTS_W void cartToPolar(InputArray xy, OutputArray magnitude, OutputArray angle, bool angleInDegrees = false, Stream& stream = Stream::Null());
/** @brief Converts Cartesian coordinates into polar.
@param xy Source matrix containing real and imaginary components ( CV_32FC2 ).
@param magnitudeAngle Destination matrix of float magnitudes and angles ( CV_32FC2 ).
@param angleInDegrees Flag for angles that must be evaluated in degrees.
@param stream Stream for the asynchronous version.
@sa cartToPolar
*/
CV_EXPORTS_W void cartToPolar(InputArray xy, OutputArray magnitudeAngle, bool angleInDegrees = false, Stream& stream = Stream::Null());
/** @brief Converts polar coordinates into Cartesian.
@param magnitude Source matrix containing magnitudes ( CV_32FC1 or CV_64FC1 ).
@@ -457,6 +491,25 @@ CV_EXPORTS_W void cartToPolar(InputArray x, InputArray y, OutputArray magnitude,
*/
CV_EXPORTS_W void polarToCart(InputArray magnitude, InputArray angle, OutputArray x, OutputArray y, bool angleInDegrees = false, Stream& stream = Stream::Null());
/** @brief Converts polar coordinates into Cartesian.
@param magnitude Source matrix containing magnitudes ( CV_32FC1 or CV_64FC1 ).
@param angle Source matrix containing angles ( same type as magnitude ).
@param xy Destination matrix of real and imaginary components ( same depth as magnitude, i.e. CV_32FC2 or CV_64FC2 ).
@param angleInDegrees Flag that indicates angles in degrees.
@param stream Stream for the asynchronous version.
*/
CV_EXPORTS_W void polarToCart(InputArray magnitude, InputArray angle, OutputArray xy, bool angleInDegrees = false, Stream& stream = Stream::Null());
/** @brief Converts polar coordinates into Cartesian.
@param magnitudeAngle Source matrix containing magnitudes and angles ( CV_32FC2 or CV_64FC2 ).
@param xy Destination matrix of real and imaginary components ( same depth as source ).
@param angleInDegrees Flag that indicates angles in degrees.
@param stream Stream for the asynchronous version.
*/
CV_EXPORTS_W void polarToCart(InputArray magnitudeAngle, OutputArray xy, bool angleInDegrees = false, Stream& stream = Stream::Null());
//! @} cudaarithm_elem
//! @addtogroup cudaarithm_core