EURASIP Journal on Advances in Signal Processing

Table 2 Comparison of PSNR (dB) of reconstructed image “Elephant” with different number of measurements and different patch sizes

From: Clustering K-SVD for sparse representation of images

Methods	Patch size 6×6				Patch size 8×8
	m = 9	m = 12	m = 15	m = 18	m = 14	m = 20	m = 26	m = 32
K-SVD	20.04	21.97	23.16	23.70	19.85	21.83	23.14	23.92
Method in [28]	19.89	21.90	22.82	23.53	19.78	21.66	22.91	23.77
Method in [29]	26.06	26.83	27.24	27.69	25.73	26.80	27.32	27.75
CK-SVD	27.23	27.89	28.38	28.60	26.95	27.74	28.40	28.81
SwCK-SVD	27.65	28.82	28.79	28.97	27.21	28.24	28.70	29.03
DCK-SVD	27.44	27.92	28.51	28.78	27.07	27.93	28.45	28.90

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