opencv/modules/ocl/perf/perf_hough.cpp
2012-12-26 16:49:58 -05:00

137 lines
4.9 KiB
C++

/*M///////////////////////////////////////////////////////////////////////////////////////
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// For Open Source Computer Vision Library
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// Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved.
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// @Authors
// Fangfang Bai, fangfang@multicorewareinc.com
// Seunghoon Park, pclove1@gmail.com
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#include "precomp.hpp"
#ifdef HAVE_OPENCL
using namespace cv;
using namespace perf;
//////////////////////////////////////////////////////////////////////
// HoughCircles
PARAM_TEST_CASE(HoughCircles_Perf, cv::Size, float, float)
{
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_Perf, Performance)
{
const cv::Size size = GET_PARAM(0);
const float dp = GET_PARAM(1);
const float minDist = GET_PARAM(2);
const int minRadius = 10;
const int maxRadius = 30;
const int cannyThreshold = 100;
const int votesThreshold = 15;
cv::RNG rng(123456789);
cv::Mat src(size, CV_8UC1, cv::Scalar::all(0));
const int numCircles = rng.uniform(50, 100);
for (int i = 0; i < numCircles; ++i)
{
cv::Point center(rng.uniform(0, src.cols), rng.uniform(0, src.rows));
const int radius = rng.uniform(minRadius, maxRadius + 1);
cv::circle(src, center, radius, cv::Scalar::all(255), -1);
}
cv::ocl::oclMat d_circles;
double totalgputick = 0;
double totalgputick_kernel = 0;
double t1 = 0.0;
double t2 = 0.0;
for (int j = 0; j < LOOP_TIMES + 1; ++j)
{
t1 = (double)cvGetTickCount();//gpu start1
cv::ocl::oclMat ocl_src = cv::ocl::oclMat(src);//upload
t2 = (double)cvGetTickCount(); //kernel
cv::ocl::HoughCircles(ocl_src, d_circles, CV_HOUGH_GRADIENT, dp, minDist, cannyThreshold, votesThreshold, minRadius, maxRadius);
t2 = (double)cvGetTickCount() - t2;//kernel
cv::Mat cpu_dst;
if (d_circles.rows > 0)
d_circles.download (cpu_dst);//download
t1 = (double)cvGetTickCount() - t1;//gpu end1
if(j == 0)
continue;
totalgputick = t1 + totalgputick;
totalgputick_kernel = t2 + totalgputick_kernel;
}
std::cout << "average gpu runtime is " << totalgputick / ((double)cvGetTickFrequency()* LOOP_TIMES * 1000.) << "ms" << std::endl;
std::cout << "average gpu runtime without data transfer is " << totalgputick_kernel / ((double)cvGetTickFrequency()* LOOP_TIMES * 1000.) << "ms" << std::endl;
}
INSTANTIATE_TEST_CASE_P(Hough, HoughCircles_Perf,
testing::Combine(
testing::Values(perf::sz720p, perf::szSXGA, perf::sz1080p),
testing::Values(1.0f, 2.0f, 4.0f),
testing::Values(1.0f, 10.0f)));
#endif // HAVE_OPENCL