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Merge pull request #14513 from TolyaTalamanov:at/color-convert-kernels

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G-API: Implement color-convert kernels (#14513)

* Implement color-convert kernels

* Fix rgb2yuv422 reference version

* Fix comments to review

* Restore NV12toBGR in imgproc.hpp

* Add accuracy tests

* Fix doxygen

* Fix ref version yuv422

* Fix warnings

* Fix typos

* Fix simd version yuv422

* Fix warnings

* Fix compile error

* Fix warning

* Remove comment
This commit is contained in:
atalaman
2019-06-10 14:09:31 +03:00
committed by Alexander Alekhin
parent ddcf388270
commit 1aefa6779f
15 changed files with 1169 additions and 3 deletions
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modules/gapi/include/opencv2/gapi/imgproc.hpp
+63
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@@ -187,6 +187,26 @@ namespace imgproc {
return in.withType(CV_8U, 1);
}
};
G_TYPED_KERNEL(GBayerGR2RGB, <cv::GMat(cv::GMat)>, "org.opencv.imgproc.colorconvert.bayergr2rgb") {
static cv::GMatDesc outMeta(cv::GMatDesc in) {
return in.withType(CV_8U, 3);
}
};
G_TYPED_KERNEL(GRGB2HSV, <cv::GMat(cv::GMat)>, "org.opencv.imgproc.colorconvert.rgb2hsv") {
static cv::GMatDesc outMeta(cv::GMatDesc in) {
return in;
}
};
G_TYPED_KERNEL(GRGB2YUV422, <cv::GMat(cv::GMat)>, "org.opencv.imgproc.colorconvert.rgb2yuv422") {
static cv::GMatDesc outMeta(cv::GMatDesc in) {
GAPI_Assert(in.depth == CV_8U);
GAPI_Assert(in.chan == 3);
return in.withType(in.depth, 2);
}
};
}
@@ -784,6 +804,49 @@ Output image must be 8-bit unsigned 3-channel image @ref CV_8UC3.
@sa YUV2BGR, NV12toRGB
*/
GAPI_EXPORTS GMat NV12toBGR(const GMat& src_y, const GMat& src_uv);
/** @brief Converts an image from BayerGR color space to RGB.
The function converts an input image from BayerGR color space to RGB.
The conventional ranges for G, R, and B channel values are 0 to 255.
Output image must be 8-bit unsigned 3-channel image @ref CV_8UC3.
@note Function textual ID is "org.opencv.imgproc.colorconvert.bayergr2rgb"
@param src_gr input image: 8-bit unsigned 1-channel image @ref CV_8UC1.
@sa YUV2BGR, NV12toRGB
*/
GAPI_EXPORTS GMat BayerGR2RGB(const GMat& src_gr);
/** @brief Converts an image from RGB color space to HSV.
The function converts an input image from RGB color space to HSV.
The conventional ranges for R, G, and B channel values are 0 to 255.
Output image must be 8-bit unsigned 3-channel image @ref CV_8UC3.
@note Function textual ID is "org.opencv.imgproc.colorconvert.rgb2hsv"
@param src input image: 8-bit unsigned 3-channel image @ref CV_8UC3.
@sa YUV2BGR, NV12toRGB
*/
GAPI_EXPORTS GMat RGB2HSV(const GMat& src);
/** @brief Converts an image from RGB color space to YUV422.
The function converts an input image from RGB color space to YUV422.
The conventional ranges for R, G, and B channel values are 0 to 255.
Output image must be 8-bit unsigned 2-channel image @ref CV_8UC2.
@note Function textual ID is "org.opencv.imgproc.colorconvert.rgb2yuv422"
@param src input image: 8-bit unsigned 3-channel image @ref CV_8UC3.
@sa YUV2BGR, NV12toRGB
*/
GAPI_EXPORTS GMat RGB2YUV422(const GMat& src);
//! @} gapi_colorconvert
} //namespace gapi
} //namespace cv