Wavelet Sparse Coding-Based Lightweight Networks for Image Superresolution

Figure 7

SR results on “0805” in DIV2K: (a) original; (b) HR ;(c) SR image of bicubic; (d) SR image of FSRCNN; (e) SR image of VDSR; (f) SR image of XLSR; (g) SR image of WLSR.

(a) Original

(b) HR

(c) Bicubic

(d) FSRCNN

(e) VDSR

(f) XLSR

(g) WLSR