53 lines
1.2 KiB
C++
53 lines
1.2 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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static int createTestImage(Mat& src)
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{
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src = Mat::zeros(Size(256, 256), CV_8UC1);
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for (int x = 50; x < src.cols - 50; x += 50)
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{
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cv::circle(src, Point(x, x/2), 30 + x/2, Scalar(255), 5);
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}
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int src_pixels = countNonZero(src);
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EXPECT_GT(src_pixels, 0);
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return src_pixels;
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}
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TEST(ximgproc_Thinning, simple_ZHANGSUEN)
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{
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Mat src;
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int src_pixels = createTestImage(src);
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Mat dst;
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thinning(src, dst, THINNING_ZHANGSUEN);
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int dst_pixels = countNonZero(dst);
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EXPECT_LE(dst_pixels, src_pixels);
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#if 0
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imshow("src", src); imshow("dst", dst); waitKey();
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#endif
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}
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TEST(ximgproc_Thinning, simple_GUOHALL)
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{
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Mat src;
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int src_pixels = createTestImage(src);
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Mat dst;
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thinning(src, dst, THINNING_GUOHALL);
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int dst_pixels = countNonZero(dst);
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EXPECT_LE(dst_pixels, src_pixels);
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#if 0
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imshow("src", src); imshow("dst", dst); waitKey();
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#endif
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}
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}} // namespace
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