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

Table 3

Denoising and deconvolution performance results for the Poisson-TV method for the grayscale “Cameraman” (512×512) image and the color “Peppers” (512×512) image.

Image	𝑀	SNR (dB)		SSIM		Time (s)
		Denoising	Deconv.	Denoising	Deconv.	Denoising	Deconv.
Cameraman (gray)	5	7.48	6.89	0.34	0.35	3.19	3.78
	30	15.26	14.88	0.66	0.61	3.10	3.77
	100	18.91	16.47	0.80	0.84	3.13	3.75
	255	19.55	17.70	0.78	0.86	3.10	3.98
Peppers (color)	5	13.59	12.44	—	—	10.85	12.53
	30	16.31	15.46	—	—	10.47	12.49
	100	17.40	16.46	—	—	10.89	12.36
	255	17.72	17.15	—	—	10.54	12.43