//Generates Intensity Image
Mat Get_Intensity_Image(Mat inputImage)
{
#ifdef GPU_MODE
gpu::GpuMat d_src(inputImage);
Mat retImage;
gpu::GpuMat gputemp;
vector<gpu::GpuMat> d_vec;
gpu::split(d_src, d_vec);
gpu::addWeighted(d_vec[0], 1.0/3, d_vec[1], 1.0/3, 0.0, gputemp, -1);
gpu::addWeighted(gputemp, 1, d_vec[2], 1.0/3, 0.0, gputemp, -1);
gputemp.download(retImage);
asdf
#else
vector<Mat> rgb;
Mat cputemp;
Mat retImage;
split(inputImage, rgb);
addWeighted(rgb[0], 1.0/3, rgb[1], 1.0/3, 0.0, cputemp, -1);
addWeighted(cputemp, 1, rgb[2], 1.0/3, 0.0, retImage, -1);
#endif
return retImage;
}
int main(int argc, char *argv[])
{
cv::Mat src = cv::imread("lena.jpg", cv::IMREAD_GRAYSCALE);
cv::Mat dst(src.size(), src.type(), cv::Scalar(0));
cv::cuda::GpuMat d_src(src);
cv::cuda::GpuMat d_dst(dst.size(), dst.type());
double f = 1000.0f / cv::getTickFrequency();
int64 start = 0, end = 0;
start = cv::getTickCount();
// 自作カーネルの呼び出し
launchMyKernel(d_src, d_dst);
end = cv::getTickCount();
std::cout << ((end - start) * f) << " ms." << std::endl;
d_dst.download(dst);
cv::imwrite("dst.png", dst);
return 0;
}
GPU_PERF_TEST(HoughLines, cv::gpu::DeviceInfo, cv::Size, DoSort)
{
declare.time(30.0);
const cv::gpu::DeviceInfo devInfo = GET_PARAM(0);
cv::gpu::setDevice(devInfo.deviceID());
const cv::Size size = GET_PARAM(1);
const bool doSort = GET_PARAM(2);
const float rho = 1.0f;
const float theta = CV_PI / 180.0f;
const int threshold = 300;
cv::RNG rng(123456789);
cv::Mat src(size, CV_8UC1, cv::Scalar::all(0));
const int numLines = rng.uniform(500, 2000);
for (int i = 0; i < numLines; ++i)
{
cv::Point p1(rng.uniform(0, src.cols), rng.uniform(0, src.rows));
cv::Point p2(rng.uniform(0, src.cols), rng.uniform(0, src.rows));
cv::line(src, p1, p2, cv::Scalar::all(255), 2);
}
cv::gpu::GpuMat d_src(src);
cv::gpu::GpuMat d_lines;
cv::gpu::GpuMat d_accum;
cv::gpu::GpuMat d_buf;
cv::gpu::HoughLines(d_src, d_lines, d_accum, d_buf, rho, theta, threshold, doSort);
TEST_CYCLE()
{
cv::gpu::HoughLines(d_src, d_lines, d_accum, d_buf, rho, theta, threshold, doSort);
}
}
