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untitled.cpp
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untitled.cpp
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#include "CRPatch.hpp"
#include "HoG.hpp"
#define timer fubar
#include <boost/progress.hpp>
#undef timer
#include <boost/timer/timer.hpp>
#include <cxcore.h>
#include <cv.h>
#include <highgui.h>
#include "opencv2/gpu/gpu.hpp"
#include <functional>
using namespace std;
using namespace cv;
void gpu_minMaxLoc_test(Mat &img) {
Mat img_gray;
cvtColor(img, img_gray, CV_BGR2GRAY);
{
boost::progress_timer t;
gpu::GpuMat gpu_img(img_gray);
double min, max;
Point minP, maxP;
for (int i = 0; i < 10000; ++i) {
gpu::minMaxLoc(gpu_img, &min, &max, &minP, &maxP);
gpu::GpuMat gpu_img_roi(gpu_img, Rect(maxP.x, maxP.y, 1, 1));
gpu_img_roi = Scalar(0);
}
Mat img_back = Mat(gpu_img);
cout << "gpu del roi: ";
}
{
boost::progress_timer t;
Mat img_clone = img_gray.clone();
double min, max;
Point minP, maxP;
for (int i = 0; i < 10000; ++i) {
minMaxLoc(img_clone, &min, &max, &minP, &maxP);
Mat img_roi(img_clone, Rect(maxP.x, maxP.y, 1, 1));
img_roi = Scalar(0);
}
Mat img_back = img_clone.clone();
cout << "cpu del roi: ";
}
}
void mat_access_test(Mat &img) {
{
boost::progress_timer t;
for (int i = 0; i < 500; ++i) {
Mat test(1000, 1000, CV_32FC1, Scalar(1));
for (int y = 0; y < test.rows; ++y) {
float *rowPtr = test.ptr<float>(y);
for (int x = 0; x < test.cols; ++x) {
rowPtr[x] += 5;
}
}
}
}
{
boost::progress_timer t;
for (int i = 0; i < 500; ++i) {
Mat test(1000, 1000, CV_32FC1, Scalar(1));
for (int y = 0; y < test.rows; ++y) {
for (int x = 0; x < test.cols; ++x) {
test.ptr<float>(y)[x] += 5;
}
}
}
}
{
boost::progress_timer t;
for (int i = 0; i < 500; ++i) {
Mat test(1000, 1000, CV_32FC1, Scalar(1));
for (int y = 0; y < test.rows; ++y) {
for (int x = 0; x < test.cols; ++x) {
test.at<float>(y, x) += 5;
}
}
}
}
}
int main(int argc, char const *argv[]) {
gpu::printShortCudaDeviceInfo(gpu::getDevice());
//Mat img = imread("/home/stfn/dev/rgbd-dataset/rgbd-dataset/cereal_box/cereal_box_1/cereal_box_1_1_1_crop.png");
Mat img = imread("/home/stfn/dev/rgbd-dataset/rgbd-scenes/background/background_10/background_10_1.png");
//gpu_minMaxLoc_test(img);
//mat_access_test(img);
}