An Efficient Algorithm for Overcomplete Sparsifying Transform Learning with Signal Denoising

Table 1

Denoising performance (image PSNR in dB) evaluated with five different pictures in different noise level for and .

	Algorithm	Lenna	Barbara	Boats	House	Peppers 256
5		37.32	36.88	36.60	38.04	36.89
		37.54	37.11	36.65	38.11	36.98
10		33.35	32.00	32.07	33.89	32.11
		33.46	32.85	32.07	33.88	32.29
15		31.05	29.22	29.62	31.35	29.53
		31.30	29.73	29.91	31.60	29.94
20		29.45	27.30	27.92	29.58	27.79
		29.49	28.11	28.54	29.64	28.18