Adaptive Image Interpolation Based on Local Gradient Features
IEEE Signal Processing Letters2004Vol. 11(3), pp. 359–362
Citations Over TimeTop 10% of 2004 papers
Abstract
This letter presents two adaptive interpolation methods based on applying an inverse gradient to conventional bilinear and bicubic interpolation. In simulations, the proposed methods exhibited a better performance than conventional bilinear and bicubic methods, particularly in the edge regions. In addition, the proposed methods can be used irrespective of the magnification factor (MF) and easily implemented due to their simple structure.
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