Table 2 Performance evaluation using different prior terms E _P (d) with proposed E _D (d). The errors are shown in terms of bad matching pixels and these are computed over the whole image with δ=1

Truncated quadratic

1.95

15.38

11.62

Truncated linear

0.91

12.86

10.96

Potts

1.11

13.93

11.01

E _IGMRF(d)

0.40

11.41

9.64

E _IGMRF(d) + E _sparse(d) using DCT

0.38

11.1

9.36

E _IGMRF(d) + E _sparse(d) using K-SVD

0.30

10.60

9.12

E _IGMRF(d) + E _sparse(d) using autoencoder

0.20

9.76

8.46