Fig. 5
From: HIT-UAV: A high-altitude infrared thermal dataset for Unmanned Aerial Vehicle-based object detection
The samples of the standard bounding box, oriented bounding box, and DontCare object. Oriented bounding boxes have a smaller overlap than standard bounding boxes. In the (c), the red box represents the DontCare object. It is difficult to accurately identify whether the objects in this area are people or not.
