Table 2.

Summary of the still frame image dataset extracted from the timelapse video material recorded during the two trial periods. Further listing the number of images with at least one visible seal position as well as the number of recorded seal positions and reconstructed seal tracks.

Trial period	Extracted images	Images with seal positions	Recorded seal positions	Reconstructed seal tracks
1	105,300	9,961	18,150	430
2	73,500	3,276	3,936	79