fixed bug in gpu::HOGDescriptor::computeConfidenceMultiScale

modules/gpu/src/hog.cpp

@@ -319,8 +319,7 @@ void cv::gpu::HOGDescriptor::computeConfidenceMultiScale(const GpuMat& img, vect
     {
         scale = conf_out[levels].scale;
         level_scale.push_back(scale);
-      if (cvRound(img.cols/scale) < win_size.width ||
-     cvRound(img.rows/scale) < win_size.height)
+        if (cvRound(img.cols/scale) < win_size.width || cvRound(img.rows/scale) < win_size.height)
             break;
     }
 
@@ -332,8 +331,8 @@ void cv::gpu::HOGDescriptor::computeConfidenceMultiScale(const GpuMat& img, vect
 
     for (size_t i = 0; i < level_scale.size(); i++)
     {
-      double _scale = level_scale[i];
-      Size sz(cvRound(img.cols / _scale), cvRound(img.rows / _scale));
+        scale = level_scale[i];
+        Size sz(cvRound(img.cols / scale), cvRound(img.rows / scale));
         GpuMat smaller_img;
 
         if (sz == img.size())
@@ -341,7 +340,8 @@ void cv::gpu::HOGDescriptor::computeConfidenceMultiScale(const GpuMat& img, vect
         else
         {
             smaller_img.create(sz, img.type());
-     switch (img.type()) {
+            switch (img.type())
+            {
             case CV_8UC1: hog::resize_8UC1(img, smaller_img); break;
             case CV_8UC4: hog::resize_8UC4(img, smaller_img); break;
             }
@@ -353,6 +353,7 @@ void cv::gpu::HOGDescriptor::computeConfidenceMultiScale(const GpuMat& img, vect
         for (size_t j = 0; j < locations.size(); j++)
             all_candidates.push_back(Rect(Point2d((CvPoint)locations[j]) * scale, scaled_win_size));
     }
+
     found_locations.assign(all_candidates.begin(), all_candidates.end());
     groupRectangles(found_locations, group_threshold, 0.2/*magic number copied from CPU version*/);
 }