Application of Image Super-Resolution Reconstruction in Gymnastics Training by Using Internet of Things Technology

Table 2

Comparison of the features of traditional methods and SRCNN.

Dataset	Super-resolution scale	Bicubic PSNR (dB)	NE-LLE PSNR (dB)	A + PSNR (dB)	SRCNN PSNR (dB)
Set5	×2	33.66	35.77	36.54	36.66
Set14	×2	30.23	31.76	32.28	32.45
B200	×2	28.38	29.67	30.14	30.29
Set5	×3	30.39	31.84	32.59	32.75
Set14	×3	27.54	28.60	29.13	29.30
B200	×3	25.94	26.67	27.05	27.18
Set5	×4	28.42	29.61	30.28	30.49
Set14	×4	26.00	26.81	27.32	27.50
B200	×4	24.65	25.21	25.51	25.60