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Table 3 Comparison of PSNR (dB) of reconstructed image “Horse” 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 17.90 19.54 20.51 21.22 17.32 19.27 20.60 21.39
Method in [28] 17.95 19.53 20.44 21.08 17.40 19.43 20.55 21.36
Method in [29] 23.77 24.69 25.12 25.58 23.41 24.56 25.20 25.63
CK-SVD 24.79 25.26 26.01 26.34 24.33 25.02 25.94 26.30
SwCK-SVD 25.21 25.64 26.37 26.58 24.74 25.30 26.32 26.55
DCK-SVD 24.93 25.37 26.18 26.39 24.51 25.20 26.17 26.42