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29 lines
945 B
29 lines
945 B
// 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(ximgproc_niBlackThreshold, sauvola) |
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{ |
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Mat src = (Mat_<uchar>(3, 3) << 1, 1, 1, 2, 2, 2, 3, 3, 3); |
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Mat dst; |
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cv::ximgproc::niBlackThreshold(src, dst, 255, THRESH_BINARY, 3, 1, BINARIZATION_SAUVOLA, 1); |
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EXPECT_EQ(CV_8U, dst.type()); |
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EXPECT_EQ(3, dst.rows); |
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EXPECT_EQ(3, dst.cols); |
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EXPECT_EQ(0, dst.at<uchar>(0, 0)); |
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EXPECT_EQ(0, dst.at<uchar>(0, 1)); |
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EXPECT_EQ(0, dst.at<uchar>(0, 2)); |
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EXPECT_EQ(0, dst.at<uchar>(1, 0)); |
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EXPECT_EQ(0, dst.at<uchar>(1, 1)); |
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EXPECT_EQ(0, dst.at<uchar>(1, 2)); |
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EXPECT_EQ(255, dst.at<uchar>(2, 0)); |
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EXPECT_EQ(255, dst.at<uchar>(2, 1)); |
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EXPECT_EQ(255, dst.at<uchar>(2, 2)); |
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} |
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}} // namespace
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