Fix coordinates range of the bounding boxes.

Coordinates of the detected bounding boxes were able to be outside of the input video resolution. So, this commit fixes to restrict the coordinates of the bounding boxes within the video resolution.

Author: tropicbird

demos/multi_camera_multi_target_tracking_demo/python/utils/network_wrappers.py

@@ -79,8 +79,8 @@ def __decode_detections(self, out, frame_shape, only_target_class):
 
             left = int(max(detection[3], 0) * frame_shape[1])
             top = int(max(detection[4], 0) * frame_shape[0])
-            right = int(max(detection[5], 0) * frame_shape[1])
-            bottom = int(max(detection[6], 0) * frame_shape[0])
+            right = int(min(detection[5], 1) * frame_shape[1])
+            bottom = int(min(detection[6], 1) * frame_shape[0])
             if self.expand_ratio != (1., 1.):
                 w = (right - left)
                 h = (bottom - top)