Research Article

A Block-Based Regularized Approach for Image Interpolation

Figure 3

A closed-up comparison of various interpolated images (Boat image). (a) Lagrangian-based image interpolation, (b) bicubic image interpolation, (c) edge-directed image interpolation, and (d) the proposed approach.
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(a)
953476.fig.003b
(b)
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(c)
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(d)