Table 6.

The influence of the number of different groups on the prediction performance.

Task Network	Group Size	AP 50	AP 75	AP L	AP
Mask R-CNN	8	92.1	83.6	71.4	68.9
	16	93.3	84.7	72.7	70.3
	32	92.5	84.1	72.0	69.5
	64	93.1	84.4	72.4	69.8
Cascade Mask R-CNN	8	93.9	86.3	74.1	71.7
	16	94.4	86.5	74.6	72.2
	32	93.7	85.9	73.9	71.6
	64	94.0	86.2	74.1	71.7

Note: The bold part indicates the best precision value.