generic-library/opencv
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Update hog.cpp

Browse Source 
Update according to vbystricky's comments
This commit is contained in:
Chuanbo Weng 2014-10-20 18:14:38 +08:00
parent 7452eef6e9
commit 2b52bb092a
1 changed files with 6 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
samples/tapi/hog.cpp
View File

@ -44,8 +44,6 @@ private:
//Args args;
bool running;
bool make_gray;
bool use_ocl;
bool ocl_switch;
double scale;
double resize_scale;
int win_width;
@ -136,9 +134,6 @@ App::App(CommandLineParser& cmd)
gamma_corr = true;
write_once = false;
use_ocl = ocl::useOpenCL();
ocl_switch = true;
cout << "Group threshold: " << gr_threshold << endl;
cout << "Levels number: " << nlevels << endl;
cout << "Win width: " << win_width << endl;
@ -160,6 +155,7 @@ void App::run()
HOGDescriptor hog(win_size, Size(16, 16), Size(8, 8), Size(8, 8), 9, 1, -1,
HOGDescriptor::L2Hys, 0.2, gamma_corr, cv::HOGDescriptor::DEFAULT_NLEVELS);
hog.setSVMDetector( HOGDescriptor::getDaimlerPeopleDetector() );
while (running)
{
@ -191,17 +187,13 @@ void App::run()
throw runtime_error(string("can't open image file: " + img_source));
}
UMat img_aux, img;
Mat img_to_show;
// Iterate over all frames
while (running && !frame.empty())
{
workBegin();
if(ocl_switch){
hog.setSVMDetector( HOGDescriptor::getDaimlerPeopleDetector() );
ocl_switch = false;
}
UMat img_aux, img;
// Change format of the image
if (make_gray) cvtColor(frame, img_aux, COLOR_BGR2GRAY );
@ -221,12 +213,8 @@ void App::run()
// Perform HOG classification
hogWorkBegin();
if(use_ocl)
hog.detectMultiScale(img, found, hit_threshold, win_stride,
Size(0, 0), scale, gr_threshold);
else
hog.detectMultiScale(img.getMat(ACCESS_READ), found, hit_threshold, win_stride,
Size(0, 0), scale, gr_threshold);
hog.detectMultiScale(img, found, hit_threshold, win_stride,
Size(0, 0), scale, gr_threshold);
hogWorkEnd();
@ -237,7 +225,7 @@ void App::run()
rectangle(img_to_show, r.tl(), r.br(), Scalar(0, 255, 0), 3);
}
putText(img_to_show, use_ocl ? "Mode: OpenCL" : "Mode: CPU", Point(5, 25), FONT_HERSHEY_SIMPLEX, 1., Scalar(255, 100, 0), 2);
putText(img_to_show, ocl::useOpenCL() ? "Mode: OpenCL" : "Mode: CPU", Point(5, 25), FONT_HERSHEY_SIMPLEX, 1., Scalar(255, 100, 0), 2);
putText(img_to_show, "FPS (HOG only): " + hogWorkFps(), Point(5, 65), FONT_HERSHEY_SIMPLEX, 1., Scalar(255, 100, 0), 2);
putText(img_to_show, "FPS (total): " + workFps(), Point(5, 105), FONT_HERSHEY_SIMPLEX, 1., Scalar(255, 100, 0), 2);
imshow("opencv_hog", img_to_show);
@ -284,9 +272,7 @@ void App::handleKey(char key)
case 'm':
case 'M':
ocl::setUseOpenCL(!cv::ocl::useOpenCL());
ocl_switch = true;
use_ocl = ocl::useOpenCL();
cout << "Switched to " << (use_ocl ? "OpenCL enabled" : "CPU") << " mode\n";
cout << "Switched to " << (ocl::useOpenCL() ? "OpenCL enabled" : "CPU") << " mode\n";
break;
case 'g':
case 'G':