科研之友
微信
新浪微博
Facebook
分享链接
摘要
Higher order equations, when applied to image inpainting, have certain advantages over second order equations, such as continuation of both edge and intensity information over larger distances. Discretizing a fourth order evolution equation with a brute force method may restrict the time steps to a size up to order Delta x(4) where Delta x denotes the step size of the spatial grid. In this work we present efficient semi-implicit schemes that are guaranteed to be unconditionally stable. We explain the main idea of these schemes and present applications in image processing for inpainting with the Cahn-Hilliard equation, TV-H-1 inpainting, and inpainting with LCIS ( low curvature image simplifiers).
- 出版日期2011-6
