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@ -73,6 +73,28 @@ namespace |
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} |
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} |
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template <typename T, template <typename> class Interpolator> |
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void resizeLinearImpl(const cv::Mat& src, cv::Mat& dst, double fx, double fy) |
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{ |
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const int cn = src.channels(); |
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cv::Size dsize(cv::saturate_cast<int>(src.cols * fx), cv::saturate_cast<int>(src.rows * fy)); |
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dst.create(dsize, src.type()); |
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float ifx = static_cast<float>(1.0 / fx); |
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float ify = static_cast<float>(1.0 / fy); |
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for (int y = 0; y < dsize.height; ++y) |
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{ |
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for (int x = 0; x < dsize.width; ++x) |
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{ |
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for (int c = 0; c < cn; ++c) |
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dst.at<T>(y, x * cn + c) = Interpolator<T>::getValue(src, (y + 0.5f) * ify - 0.5f, (x + 0.5f) * ifx - 0.5f, c, cv::BORDER_REPLICATE); |
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} |
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} |
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} |
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void resizeGold(const cv::Mat& src, cv::Mat& dst, double fx, double fy, int interpolation) |
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{ |
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typedef void (*func_t)(const cv::Mat& src, cv::Mat& dst, double fx, double fy); |
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@ -90,12 +112,12 @@ namespace |
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static const func_t linear_funcs[] = |
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{ |
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resizeImpl<unsigned char, LinearInterpolator>, |
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resizeImpl<signed char, LinearInterpolator>, |
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resizeImpl<unsigned short, LinearInterpolator>, |
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resizeImpl<short, LinearInterpolator>, |
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resizeImpl<int, LinearInterpolator>, |
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resizeImpl<float, LinearInterpolator> |
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resizeLinearImpl<unsigned char, LinearInterpolator>, |
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resizeLinearImpl<signed char, LinearInterpolator>, |
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resizeLinearImpl<unsigned short, LinearInterpolator>, |
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resizeLinearImpl<short, LinearInterpolator>, |
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resizeLinearImpl<int, LinearInterpolator>, |
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resizeLinearImpl<float, LinearInterpolator> |
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}; |
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static const func_t cubic_funcs[] = |
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@ -204,7 +226,15 @@ INSTANTIATE_TEST_CASE_P(GPU_ImgProc, ResizeSameAsHost, testing::Combine( |
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DIFFERENT_SIZES, |
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testing::Values(MatType(CV_8UC1), MatType(CV_8UC3), MatType(CV_8UC4), MatType(CV_16UC1), MatType(CV_16UC3), MatType(CV_16UC4), MatType(CV_32FC1), MatType(CV_32FC3), MatType(CV_32FC4)), |
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testing::Values(0.3, 0.5), |
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testing::Values(Interpolation(cv::INTER_NEAREST), Interpolation(cv::INTER_AREA)), |
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testing::Values(Interpolation(cv::INTER_NEAREST), Interpolation(cv::INTER_LINEAR), Interpolation(cv::INTER_AREA)), |
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WHOLE_SUBMAT)); |
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INSTANTIATE_TEST_CASE_P(GPU_ImgProc2, ResizeSameAsHost, testing::Combine( |
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ALL_DEVICES, |
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DIFFERENT_SIZES, |
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testing::Values(MatType(CV_8UC1), MatType(CV_8UC3), MatType(CV_8UC4), MatType(CV_16UC1), MatType(CV_16UC3), MatType(CV_16UC4), MatType(CV_32FC1), MatType(CV_32FC3), MatType(CV_32FC4)), |
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testing::Values(0.3, 0.5, 1.5, 2.0), |
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testing::Values(Interpolation(cv::INTER_NEAREST), Interpolation(cv::INTER_LINEAR)), |
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WHOLE_SUBMAT)); |
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#endif // HAVE_CUDA
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