Video-Based Detection Infrastructure Enhancement for Automated Ship Recognition and Behavior Analysis

Figure 7

Ship spatial-temporal trajectory map at different time intervals in case-1. (a) Ship spatial-temporal trajectory map at time interval 0.34 s, (b) Ship spatial-temporal trajectory map at time interval 0.50 s, (c) Ship spatial-temporal trajectory map at time interval 0.67 s, (d) Ship spatial-temporal trajectory map at time interval 1.00 s.

(a)

(b)

(c)

(d)