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Using an Oriented PDE to Repair Image Textures
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Image Filtering and Reconstruction
Using an Oriented PDE to Repair Image Textures
Yan Niu1 and Tim Poston2
| (1) |
College of Computer Science and Technology, JiLin University, QianWei Rd. 10, ChangChun 130012, P.R. China |
| (2) |
National Institute of Advanced Studies, Indian Institute of Science Campus, Bangalore 560012, India |
Abstract
PDE-based image inpainting efficiently recovers structured features. We expand this to textures. We adjust the coordinates
to proper directions, and embed in anisotropy terms the brightness correlation between pixels adjoining on the new grid. A
simple elliptic equation then repairs both oriented textures and edges by one uniform, automated algorithm. Extensive experimental
results on a variety of standard natural images show the technique’s generality and stability.
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