opencv/tests/gpu/src/meanshift.cpp
Vladislav Vinogradov 4100cbd997 added gpu version of LUT, integral, boxFilter and cvtColor (RGB <-> YCrCb), based on NPP.
minor refactoring of GPU module and GPU tests, split arithm and imgproc parts.
2010-09-22 10:58:01 +00:00

127 lines
4.3 KiB
C++

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#include "gputest.hpp"
#include <opencv2/opencv.hpp>
#include <opencv2/gpu/gpu.hpp>
#include <iostream>
#include <string>
class CV_GpuMeanShiftTest : public CvTest
{
public:
CV_GpuMeanShiftTest();
protected:
void run(int);
};
CV_GpuMeanShiftTest::CV_GpuMeanShiftTest(): CvTest( "GPU-MeanShift", "MeanShift" ){}
void CV_GpuMeanShiftTest::run(int)
{
int spatialRad = 30;
int colorRad = 30;
cv::Mat img = cv::imread(std::string(ts->get_data_path()) + "meanshift/cones.png");
cv::Mat img_template = cv::imread(std::string(ts->get_data_path()) + "meanshift/con_result.png");
if (img.empty() || img_template.empty())
{
ts->set_failed_test_info(CvTS::FAIL_MISSING_TEST_DATA);
return;
}
cv::Mat rgba;
cvtColor(img, rgba, CV_BGR2BGRA);
try
{
cv::gpu::GpuMat res;
cv::gpu::meanShiftFiltering( cv::gpu::GpuMat(rgba), res, spatialRad, colorRad );
if (res.type() != CV_8UC4)
{
ts->set_failed_test_info(CvTS::FAIL_INVALID_OUTPUT);
return;
}
cv::Mat result;
res.download(result);
uchar maxDiff = 0;
for (int j = 0; j < result.rows; ++j)
{
const uchar* res_line = result.ptr<uchar>(j);
const uchar* ref_line = img_template.ptr<uchar>(j);
for (int i = 0; i < result.cols; ++i)
{
for (int k = 0; k < 3; ++k)
{
const uchar& ch1 = res_line[result.channels()*i + k];
const uchar& ch2 = ref_line[img_template.channels()*i + k];
uchar diff = static_cast<uchar>(abs(ch1 - ch2));
if (maxDiff < diff)
maxDiff = diff;
}
}
}
if (maxDiff > 0)
{
ts->printf(CvTS::LOG, "\nMeanShift maxDiff = %d\n", maxDiff);
ts->set_failed_test_info(CvTS::FAIL_GENERIC);
return;
}
}
catch(const cv::Exception& e)
{
if (!check_and_treat_gpu_exception(e, ts))
throw;
return;
}
ts->set_failed_test_info(CvTS::OK);
}
CV_GpuMeanShiftTest CV_GpuMeanShift_test;