Video-Based Vehicle Counting for Expressway: A Novel Approach Based on Vehicle Detection and Correlation-Matched Tracking Using Image Data from PTZ Cameras

Figure 6

Examples of smoothing results for trajectory points. (a) The abscissa indicates the number of trajectory points, and the ordinate indicates the abscissa of the center point of bounding boxes. (b) The abscissa indicates the number of trajectory points, and the ordinate indicates the ordinate of the center point of bounding boxes.

(a)

(b)