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https://github.com/opencv/opencv_contrib.git
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e94ec40615
Add Radon transform function to ximgproc * resolve rebash conflict * add test for hough_space_transform * add perf for hough_space_transform * add sample for hough_space_transform * fix compatible issue and trailing space * fix EOF issue * resolve rebash conflict * update radon transform fix always cropping corner when rotate transpose the output - now each column is integral add support for float number add comment * add float type to perf test * add float type to accu test * update document * fix trailing space * resolve rebase conflict * Resolve coding style issues
82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
// 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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#include "test_precomp.hpp"
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namespace opencv_test {namespace {
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TEST(RadonTransformTest, output_size)
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{
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Mat src(Size(256, 256), CV_8U, Scalar(0));
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circle(src, Point(128, 128), 64, Scalar(255), FILLED);
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Mat radon;
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cv::ximgproc::RadonTransform(src, radon);
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EXPECT_EQ(363, radon.rows);
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EXPECT_EQ(180, radon.cols);
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cv::ximgproc::RadonTransform(src, radon, 1, 0, 180, true);
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EXPECT_EQ(256, radon.rows);
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EXPECT_EQ(180, radon.cols);
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}
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TEST(RadonTransformTest, output_type)
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{
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Mat src_int(Size(256, 256), CV_8U, Scalar(0));
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circle(src_int, Point(128, 128), 64, Scalar(255), FILLED);
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Mat radon, radon_norm;
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cv::ximgproc::RadonTransform(src_int, radon);
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cv::ximgproc::RadonTransform(src_int, radon_norm, 1, 0, 180, false, true);
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EXPECT_EQ(CV_32SC1, radon.type());
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EXPECT_EQ(CV_8U, radon_norm.type());
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Mat src_float(Size(256, 256), CV_32FC1, Scalar(0));
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Mat src_double(Size(256, 256), CV_32FC1, Scalar(0));
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cv::ximgproc::RadonTransform(src_float, radon);
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cv::ximgproc::RadonTransform(src_float, radon_norm, 1, 0, 180, false, true);
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EXPECT_EQ(CV_64FC1, radon.type());
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EXPECT_EQ(CV_8U, radon_norm.type());
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cv::ximgproc::RadonTransform(src_double, radon);
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EXPECT_EQ(CV_64FC1, radon.type());
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EXPECT_EQ(CV_8U, radon_norm.type());
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}
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TEST(RadonTransformTest, accuracy_by_pixel)
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{
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Mat src(Size(256, 256), CV_8U, Scalar(0));
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circle(src, Point(128, 128), 64, Scalar(255), FILLED);
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Mat radon;
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cv::ximgproc::RadonTransform(src, radon);
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ASSERT_EQ(CV_32SC1, radon.type());
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EXPECT_EQ(0, radon.at<int>(0, 0));
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EXPECT_LT(18000, radon.at<int>(128, 128));
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EXPECT_GT(19000, radon.at<int>(128, 128));
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}
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TEST(RadonTransformTest, accuracy_uchar)
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{
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Mat src(Size(10, 10), CV_8UC1, Scalar(1));
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cv::Mat radon;
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ximgproc::RadonTransform(src, radon, 45, 0, 180, false, false);
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EXPECT_EQ(100, sum(radon.col(0))[0]);
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}
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TEST(RadonTransformTest, accuracy_float)
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{
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Mat src(Size(10, 10), CV_32FC1, Scalar(1.1));
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cv::Mat radon;
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ximgproc::RadonTransform(src, radon, 45, 0, 180, false, false);
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EXPECT_LT(109, sum(radon.col(0))[0]);
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EXPECT_GT(111, sum(radon.col(0))[0]);
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}
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} }
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