[Retracted] An Online Arrangement Method of Difficult Actions in Competitive Aerobics Based on Multimedia Technology

Table 2

Comparison of video key frame extraction results.

Video type		Men's single sculls	Women’s single sculls	Mixed double	Three people	Six people
Method of this paper	A (frames)	10	18	25	16	36
	B (frames)	4	1	2	3	1
	C (%)	96.23	95.86	97.64	96.88	98.21
Improved deep network recognition method	A (frames)	15	22	31	19	28
	B (frames)	6	8	12	5	9
	C (%)	93.12	94.25	90.89	95.02	91.85
Recognition method of attitude’s space-time feature	A (frames)	21	32	22	15	45
	B (frames)	8	10	16	8	10
	C (%)	92.45	93.66	89.99	93.25	90.38