Pde-based Image Interpolators
نویسندگان
چکیده
We present a PDE-based interpolation algorithm to effectively reproduce high resolution imagery. Conventional PDE-based interpolation methods can produce sharp edges without checkerboard effects; however, they are approximators and tend to weaken fine structures. In order to overcome the drawback, a texture enhancement method is incorporated as a post-process of PDE-based interpolation methods. The post-process turns out to make the resulting algorithm an interpolator. It has been numerically verified that the resulting algorithm, called the PDEbased image interpolator (PII), restores sharp edges and enhances fine structures satisfactorily, outperforming the PDE-based skeleton-texture decomposition (STD) approach.
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