Using an oriented PDE to repair image textures

Authors:
Yan Niu;Tim Poston
Affiliations:
College of Computer Science and Technology, JiLin University, ChangChun, P.R. China;National Institute of Advanced Studies, Bangalore, India
Venue:
VLSM'05 Proceedings of the Third international conference on Variational, Geometric, and Level Set Methods in Computer Vision
Year:
2005

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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.