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Open Source Computer Vision Library
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46 lines
1.8 KiB
46 lines
1.8 KiB
// 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(Features2d_BlobDetector, bug_6667) |
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{ |
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cv::Mat image = cv::Mat(cv::Size(100, 100), CV_8UC1, cv::Scalar(255, 255, 255)); |
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cv::circle(image, Point(50, 50), 20, cv::Scalar(0), -1); |
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SimpleBlobDetector::Params params; |
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params.minThreshold = 250; |
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params.maxThreshold = 260; |
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params.minRepeatability = 1; // https://github.com/opencv/opencv/issues/6667 |
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std::vector<KeyPoint> keypoints; |
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Ptr<SimpleBlobDetector> detector = SimpleBlobDetector::create(params); |
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detector->detect(image, keypoints); |
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ASSERT_NE((int) keypoints.size(), 0); |
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} |
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TEST(Features2d_BlobDetector, withContours) |
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{ |
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cv::Mat image = cv::Mat(cv::Size(100, 100), CV_8UC1, cv::Scalar(255, 255, 255)); |
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cv::circle(image, Point(50, 50), 20, cv::Scalar(0), -1); |
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SimpleBlobDetector::Params params; |
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params.minThreshold = 250; |
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params.maxThreshold = 260; |
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params.minRepeatability = 1; // https://github.com/opencv/opencv/issues/6667 |
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params.collectContours = true; |
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std::vector<KeyPoint> keypoints; |
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Ptr<SimpleBlobDetector> detector = SimpleBlobDetector::create(params); |
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detector->detect(image, keypoints); |
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ASSERT_NE((int)keypoints.size(), 0); |
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ASSERT_GT((int)detector->getBlobContours().size(), 0); |
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std::vector<Point> contour = detector->getBlobContours()[0]; |
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ASSERT_TRUE(std::any_of(contour.begin(), contour.end(), |
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[](Point p) |
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{ |
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return abs(p.x - 30) < 2 && abs(p.y - 50) < 2; |
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})); |
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} |
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}} // namespace
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