EURASIP Journal on Advances in Signal Processing

Table 4 Comparison of PSNR (dB) of reconstructed image “Penguin” with different number of measurements

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	17.85	19.42	20.40	21.16	17.02	19.21	20.27	21.08
Method in [28]	17.53	19.37	20.34	21.12	17.06	19.20	20.21	21.10
Method in [29]	25.45	26.69	27.40	28.02	25.13	26.50	27.22	27.97
CK-SVD	27.48	28.79	29.61	30.34	27.19	28.60	29.65	30.53
SwCK-SVD	27.87	29.22	29.94	30.63	27.63	29.00	29.98	30.86
DCK-SVD	27.60	29.01	29.75	30.42	27.44	28.80	29.72	30.55

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