Fig. 6
From: Constrained multi-target tracking for team sports activities
Blue solid lines represent the estimated number of people. The estimated number is only available during frames in stable periods, which are also marked with blue on the x-axis. The red broken line is the ground truth annotated number of targets. a Indoor thermal sequence 1. b Indoor thermal sequence 2. c Indoor thermal sequence 3. d Outdoor RGB sequence. e Courtyard thermal sequence