Table 3.

Information of datasets.

Dataset	FishNum	TotalFrame	FrameRate/fps	FishSize/pixel	CrossFrequency
D1	4	3240	13	500–1000	13.67%
D2	5	3596	13	500–1000	26.08%
D3	6	1884	20	500–1000	28.50%
D4	7	1896	13	500–1000	34.49%
D5	8	1647	13	500–1000	28.84%
D6	9	1107	13	500–1000	46.52%
D7	16	1791	15	200–600	29.70%
D8	25	1791	15	200–600	65.55%
D9	5	968	32	250–500	7.23%
D10	25	1081	30	800–1500	48.55%
D11	4	280	*	100–200	8.2%