Table 1.

The recognition accuracy and recognition time of different algorithms under different input sizes.

	Algorithm Type	Input Size
		32 × 32	64 × 64	128 × 128
Accuracy (Recognition Time (t/ms))	LSTM	0.85	0.88	0.8
		(0.017)	(0.033)	(0.167)
	CNN	0.88	0.89	0.92
		(0.02)	(0.06)	(0.233)
	CNN-3	0.90	0.91	0.94
		(0.04)	(0.099)	(0.33)
	CNN–LSTM	0.92	0.94	0.95
		(0.033)	(0.067)	(0.2667)