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Mixed-Domain Edge-Aware Image Manipulation

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4 Author(s)
Xian-Ying Li ; Dept. of Comput. Sci. & Technol., Tsinghua Univ., Beijing, China ; Yan Gu ; Shi-Min Hu ; Martin, R.R.

This paper presents a novel approach to edge-aware image manipulation. Our method processes a Gaussian pyramid from coarse to fine, and at each level, applies a nonlinear filter bank to the neighborhood of each pixel. Outputs of these spatially-varying filters are merged using global optimization. The optimization problem is solved using an explicit mixed-domain (real space and DCT transform space) solution, which is efficient, accurate, and easy-to-implement. We demonstrate applications of our method to a set of problems, including detail and contrast manipulation, HDR compression, nonphotorealistic rendering, and haze removal.

Published in:

Image Processing, IEEE Transactions on  (Volume:22 ,  Issue: 5 )