Superresolution Reconstruction Algorithm of Ultrasonic Logging Images Based on High-Frequency Enhancement

Table 2

The reconstruction effect of multiscale dilated convolution block.

Magnification	Metrics	(a)	(b)	(c)	(d)
	PSNR	36.462	35.980	35.830	36.496
	SSIM	0.963	0.959	0.956	0.961
	Parameters	1401 k	4672 k	1981 k	7505 k
	PSNR	30.990	30.895	30.716	31.126
	SSIM	0.858	0.857	0.857	0.860
	Parameters	1542 k	4812 k	2131 k	7653 k
	PSNR/dB	27.325	27.172	26.767	27.355
	SSIM	0.714	0.716	0.700	0.718
	Parameters	1691 k	7262 k	2283 k	9713 k