Total Variation Regularization Algorithms for Images Corrupted with Different Noise Models: A Review

Table 4

Denoising and deconvolution performance results for the Gamma-TV method for the grayscale “Tank” (512×512) image and the color “Lena” (512×512) image.

Image	𝑀	SNR (dB)		SSIM		Time (s)
		Denoising	Deconv.	Denoising	Deconv.	Denoising	Deconv.
Tank (gray)	5	7.36	7.50	0.519	0.490	27.13	32.18
	10	8.87	8.05	0.573	0.502	27.02	32.27
	33	10.39	8.50	0.624	0.517	26.60	32.42
Lena (color)	5	12.93	13.41	—	—	85.88	96.36
	10	15.72	14.66	—	—	86.47	89.82
	33	18.16	15.54	—	—	56.83	77.87