Linear Total Variation Approximate Regularized Nuclear Norm Optimization for Matrix Completion

Figure 4

Comparison of PSNR of recovered methods for Lena under word mask with 𝛾=0.5 by LTVNN, TNNR, SVT, SVP, and OptSpace.

(a) Original image (256 × 256)

(b) Word masked image

(c) LTVNN (PSNR: 32.920)

(d) TNNR (PSNR: 30.189)

(e) SVT (PSNR: 30.760)

(f) SVP (PSNR: 22.159)

(g) OptSpace (PSNR: 26.492)