opencv/modules/gpu/test/test_meanshift.cpp
2011-02-17 14:01:28 +00:00

238 lines
8.6 KiB
C++

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#include "test_precomp.hpp"
#include <iostream>
#include <string>
using namespace cv;
using namespace cv::gpu;
struct CV_GpuMeanShiftTest : public cvtest::BaseTest
{
CV_GpuMeanShiftTest() {}
void run(int)
{
bool cc12_ok = TargetArchs::builtWith(FEATURE_SET_COMPUTE_12) && DeviceInfo().supports(FEATURE_SET_COMPUTE_12);
if (!cc12_ok)
{
ts->printf(cvtest::TS::CONSOLE, "\nCompute capability 1.2 is required");
ts->set_failed_test_info(cvtest::TS::FAIL_GENERIC);
return;
}
int spatialRad = 30;
int colorRad = 30;
cv::Mat img = cv::imread(std::string(ts->get_data_path()) + "meanshift/cones.png");
cv::Mat img_template;
if (cv::gpu::TargetArchs::builtWith(cv::gpu::FEATURE_SET_COMPUTE_20) &&
cv::gpu::DeviceInfo().supports(cv::gpu::FEATURE_SET_COMPUTE_20))
img_template = cv::imread(std::string(ts->get_data_path()) + "meanshift/con_result.png");
else
img_template = cv::imread(std::string(ts->get_data_path()) + "meanshift/con_result_CC1X.png");
if (img.empty() || img_template.empty())
{
ts->set_failed_test_info(cvtest::TS::FAIL_MISSING_TEST_DATA);
return;
}
cv::Mat rgba;
cvtColor(img, rgba, CV_BGR2BGRA);
cv::gpu::GpuMat res;
cv::gpu::meanShiftFiltering( cv::gpu::GpuMat(rgba), res, spatialRad, colorRad );
if (res.type() != CV_8UC4)
{
ts->set_failed_test_info(cvtest::TS::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(cvtest::TS::LOG, "\nMeanShift maxDiff = %d\n", maxDiff);
ts->set_failed_test_info(cvtest::TS::FAIL_GENERIC);
return;
}
ts->set_failed_test_info(cvtest::TS::OK);
}
};
/////////////////////////////////////////////////////////////////////////////
/////////////////// tests registration /////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
CV_GpuMeanShiftTest CV_GpuMeanShift_test;
struct CV_GpuMeanShiftProcTest : public cvtest::BaseTest
{
CV_GpuMeanShiftProcTest() {}
void run(int)
{
bool cc12_ok = TargetArchs::builtWith(FEATURE_SET_COMPUTE_12) && DeviceInfo().supports(FEATURE_SET_COMPUTE_12);
if (!cc12_ok)
{
ts->printf(cvtest::TS::CONSOLE, "\nCompute capability 1.2 is required");
ts->set_failed_test_info(cvtest::TS::FAIL_GENERIC);
return;
}
int spatialRad = 30;
int colorRad = 30;
cv::Mat img = cv::imread(std::string(ts->get_data_path()) + "meanshift/cones.png");
if (img.empty())
{
ts->set_failed_test_info(cvtest::TS::FAIL_MISSING_TEST_DATA);
return;
}
cv::Mat rgba;
cvtColor(img, rgba, CV_BGR2BGRA);
cv::gpu::GpuMat h_rmap_filtered;
cv::gpu::meanShiftFiltering( cv::gpu::GpuMat(rgba), h_rmap_filtered, spatialRad, colorRad );
cv::gpu::GpuMat d_rmap;
cv::gpu::GpuMat d_spmap;
cv::gpu::meanShiftProc( cv::gpu::GpuMat(rgba), d_rmap, d_spmap, spatialRad, colorRad );
if (d_rmap.type() != CV_8UC4)
{
ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_OUTPUT);
return;
}
cv::Mat rmap_filtered;
h_rmap_filtered.download(rmap_filtered);
cv::Mat rmap;
d_rmap.download(rmap);
uchar maxDiff = 0;
for (int j = 0; j < rmap_filtered.rows; ++j)
{
const uchar* res_line = rmap_filtered.ptr<uchar>(j);
const uchar* ref_line = rmap.ptr<uchar>(j);
for (int i = 0; i < rmap_filtered.cols; ++i)
{
for (int k = 0; k < 3; ++k)
{
const uchar& ch1 = res_line[rmap_filtered.channels()*i + k];
const uchar& ch2 = ref_line[rmap.channels()*i + k];
uchar diff = static_cast<uchar>(abs(ch1 - ch2));
if (maxDiff < diff)
maxDiff = diff;
}
}
}
if (maxDiff > 0)
{
ts->printf(cvtest::TS::LOG, "\nMeanShiftProc maxDiff = %d\n", maxDiff);
ts->set_failed_test_info(cvtest::TS::FAIL_GENERIC);
return;
}
cv::Mat spmap;
d_spmap.download(spmap);
cv::Mat spmap_template;
cv::FileStorage fs;
if (cv::gpu::TargetArchs::builtWith(cv::gpu::FEATURE_SET_COMPUTE_20) &&
cv::gpu::DeviceInfo().supports(cv::gpu::FEATURE_SET_COMPUTE_20))
fs.open(std::string(ts->get_data_path()) + "meanshift/spmap.yaml", cv::FileStorage::READ);
else
fs.open(std::string(ts->get_data_path()) + "meanshift/spmap_CC1X.yaml", cv::FileStorage::READ);
fs["spmap"] >> spmap_template;
for (int y = 0; y < spmap.rows; ++y) {
for (int x = 0; x < spmap.cols; ++x) {
cv::Point_<short> expected = spmap_template.at<cv::Point_<short> >(y, x);
cv::Point_<short> actual = spmap.at<cv::Point_<short> >(y, x);
int diff = (expected - actual).dot(expected - actual);
if (actual != expected) {
ts->printf(cvtest::TS::LOG, "\nMeanShiftProc SpMap is bad, diff=%d\n", diff);
ts->set_failed_test_info(cvtest::TS::FAIL_GENERIC);
return;
}
}
}
ts->set_failed_test_info(cvtest::TS::OK);
}
};
TEST(meanShiftProc, accuracy) { CV_GpuMeanShiftProcTest test; test.safe_run(); }