mirror of
https://github.com/opencv/opencv.git
synced 2024-12-29 20:48:39 +08:00
113 lines
4.1 KiB
C++
113 lines
4.1 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
|
|
//
|
|
// By downloading, copying, installing or using the software you agree to this license.
|
|
// If you do not agree to this license, do not download, install,
|
|
// copy or use the software.
|
|
//
|
|
//
|
|
// License Agreement
|
|
// For Open Source Computer Vision Library
|
|
//
|
|
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
|
|
// Copyright (C) 2008-2011, Willow Garage Inc., all rights reserved.
|
|
// Third party copyrights are property of their respective owners.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without modification,
|
|
// are permitted provided that the following conditions are met:
|
|
//
|
|
// * Redistribution's of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
//
|
|
// * Redistribution's in binary form must reproduce the above copyright notice,
|
|
// this list of conditions and the following disclaimer in the documentation
|
|
// and/or other materials provided with the distribution.
|
|
//
|
|
// * The name of Intel Corporation may not be used to endorse or promote products
|
|
// derived from this software without specific prior written permission.
|
|
//
|
|
// This software is provided by the copyright holders and contributors "as is" and
|
|
// any express or implied warranties, including, but not limited to, the implied
|
|
// warranties of merchantability and fitness for a particular purpose are disclaimed.
|
|
// In no event shall the Intel Corporation or contributors be liable for any direct,
|
|
// indirect, incidental, special, exemplary, or consequential damages
|
|
// (including, but not limited to, procurement of substitute goods or services;
|
|
// loss of use, data, or profits; or business interruption) however caused
|
|
// and on any theory of liability, whether in contract, strict liability,
|
|
// or tort (including negligence or otherwise) arising in any way out of
|
|
// the use of this software, even if advised of the possibility of such damage.
|
|
//
|
|
//M*/
|
|
|
|
#include "precomp.hpp"
|
|
|
|
#ifdef HAVE_OPENCL
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// HoughCircles
|
|
|
|
PARAM_TEST_CASE(HoughCircles, cv::Size)
|
|
{
|
|
static void drawCircles(cv::Mat& dst, const std::vector<cv::Vec3f>& circles, bool fill)
|
|
{
|
|
dst.setTo(cv::Scalar::all(0));
|
|
|
|
for (size_t i = 0; i < circles.size(); ++i)
|
|
cv::circle(dst, cv::Point2f(circles[i][0], circles[i][1]), (int)circles[i][2], cv::Scalar::all(255), fill ? -1 : 1);
|
|
}
|
|
};
|
|
|
|
TEST_P(HoughCircles, Accuracy)
|
|
{
|
|
const cv::Size size = GET_PARAM(0);
|
|
|
|
const float dp = 2.0f;
|
|
const float minDist = 10.0f;
|
|
const int minRadius = 10;
|
|
const int maxRadius = 20;
|
|
const int cannyThreshold = 100;
|
|
const int votesThreshold = 15;
|
|
|
|
std::vector<cv::Vec3f> circles_gold(4);
|
|
circles_gold[0] = cv::Vec3i(20, 20, minRadius);
|
|
circles_gold[1] = cv::Vec3i(90, 87, minRadius + 3);
|
|
circles_gold[2] = cv::Vec3i(30, 70, minRadius + 8);
|
|
circles_gold[3] = cv::Vec3i(80, 10, maxRadius);
|
|
|
|
cv::Mat src(size, CV_8UC1);
|
|
drawCircles(src, circles_gold, true);
|
|
cv::ocl::oclMat d_src(src);
|
|
|
|
cv::ocl::oclMat d_circles;
|
|
cv::ocl::HoughCircles(d_src, d_circles, cv::HOUGH_GRADIENT, dp, minDist, cannyThreshold, votesThreshold, minRadius, maxRadius);
|
|
ASSERT_TRUE(d_circles.rows > 0);
|
|
|
|
cv::Mat circles;
|
|
d_circles.download(circles);
|
|
|
|
for (int i = 0; i < circles.cols; ++i)
|
|
{
|
|
cv::Vec3f cur = circles.at<cv::Vec3f>(i);
|
|
|
|
bool found = false;
|
|
|
|
for (size_t j = 0; j < circles_gold.size(); ++j)
|
|
{
|
|
cv::Vec3f gold = circles_gold[j];
|
|
|
|
if (std::fabs(cur[0] - gold[0]) < minDist && std::fabs(cur[1] - gold[1]) < minDist && std::fabs(cur[2] - gold[2]) < minDist)
|
|
{
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
ASSERT_TRUE(found);
|
|
}
|
|
}
|
|
|
|
INSTANTIATE_TEST_CASE_P(Hough, HoughCircles, DIFFERENT_SIZES);
|
|
|
|
#endif // HAVE_OPENCL
|