New Regularization Models for Image Denoising with a Spatially Dependent Regularization Parameter

Table 2

Summarized results of the proposed models for different values of 𝐿 with our initialization and zero initialization.

	L	Model 1			Model 2
		ReErr	SNR	Time	ReErr	SNR	Time
Our initialization	3	0.0754	13.57	4.66	0.0731	13.85	7.10
	6	0.0752	13.60	4.21	0.0730	13.86	5.71
	10	0.0751	13.61	5.51	0.0729	13.87	6.19
	15	0.0752	13.60	6.27	0.0729	13.86	7.74
Zero initialization	10	0.0780	13.28	6.27	0.0768	13.42	5.87
	20	0.0758	13.54	15.93	0.0740	13.74	14.21
	30	0.0753	13.58	29.83	0.0733	13.83	23.87
	40	0.0753	13.59	49.03	0.0730	13.85	33.28