Video Superresolution Reconstruction Using Iterative Back Projection with Critical-Point Filters Based Image Matching

Figure 7

Comparison of hall: (a) original image, (b) the enlarged portion of (a), (c) bilinear interpolated image, (d) the enlarged portion of (c), (e) bicubic interpolated image, (f) the enlarged portion of (e), (g) IBP-OL2004, (h) the enlarged portion of (g), (i) IBP-OL2010, (j) the enlarged portion of (i), (k) IBP-CPF-IM, and (l) the enlarged portion of (k).

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