Research on Image Super-Resolution Reconstruction Technology Based on Unsupervised Learning

Table 4

Comparison of objective evaluation indexes of each algorithm in FLIR dataset.

Index	Algorithm
	Bicubic	EDSR	ESRGAN	Ours
PSNR	29.395	28.867	30.508	29.763
SSIM	0.628	0.621	0.668	0.650