mirror of
https://github.com/opencv/opencv.git
synced 2024-12-15 09:49:13 +08:00
a3ebafbdeb
added blob contours to blob detector * added blob contours * Fixed Java regression test after new parameter addition to SimpleBlobDetector. * Added stub implementation of SimpleBlobDetector::getBlobContours to presume source API compatibility.
47 lines
1.8 KiB
C++
47 lines
1.8 KiB
C++
// This file is part of OpenCV project.
|
|
// It is subject to the license terms in the LICENSE file found in the top-level directory
|
|
// of this distribution and at http://opencv.org/license.html.
|
|
|
|
#include "test_precomp.hpp"
|
|
|
|
namespace opencv_test { namespace {
|
|
TEST(Features2d_BlobDetector, bug_6667)
|
|
{
|
|
cv::Mat image = cv::Mat(cv::Size(100, 100), CV_8UC1, cv::Scalar(255, 255, 255));
|
|
cv::circle(image, Point(50, 50), 20, cv::Scalar(0), -1);
|
|
SimpleBlobDetector::Params params;
|
|
params.minThreshold = 250;
|
|
params.maxThreshold = 260;
|
|
params.minRepeatability = 1; // https://github.com/opencv/opencv/issues/6667
|
|
std::vector<KeyPoint> keypoints;
|
|
|
|
Ptr<SimpleBlobDetector> detector = SimpleBlobDetector::create(params);
|
|
detector->detect(image, keypoints);
|
|
ASSERT_NE((int) keypoints.size(), 0);
|
|
}
|
|
|
|
TEST(Features2d_BlobDetector, withContours)
|
|
{
|
|
cv::Mat image = cv::Mat(cv::Size(100, 100), CV_8UC1, cv::Scalar(255, 255, 255));
|
|
cv::circle(image, Point(50, 50), 20, cv::Scalar(0), -1);
|
|
SimpleBlobDetector::Params params;
|
|
params.minThreshold = 250;
|
|
params.maxThreshold = 260;
|
|
params.minRepeatability = 1; // https://github.com/opencv/opencv/issues/6667
|
|
params.collectContours = true;
|
|
std::vector<KeyPoint> keypoints;
|
|
|
|
Ptr<SimpleBlobDetector> detector = SimpleBlobDetector::create(params);
|
|
detector->detect(image, keypoints);
|
|
ASSERT_NE((int)keypoints.size(), 0);
|
|
|
|
ASSERT_GT((int)detector->getBlobContours().size(), 0);
|
|
std::vector<Point> contour = detector->getBlobContours()[0];
|
|
ASSERT_TRUE(std::any_of(contour.begin(), contour.end(),
|
|
[](Point p)
|
|
{
|
|
return abs(p.x - 30) < 2 && abs(p.y - 50) < 2;
|
|
}));
|
|
}
|
|
}} // namespace
|