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Over-exposure image correction with automatic texture synthesis

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6 Author(s)
Yehu Shen ; Dept. of Syst. Integration & IC Design, Suzhou Inst. of Nano-tech & Nano-bionics, Suzhou, China ; Rui Mo ; Yi Zhu ; Lei Wei
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A novel over-exposure image correction algorithm combining synthesized texture information in over-exposed regions is presented. In this algorithm, intensity image is decomposed into structure and detail layers by weighted least squares method. Modified exemplar-based texture synthesis method is applied to the detail layer in order to synthesize texture details in over-exposed regions. The synthesized texture is combined with the original texture and fed to the lightness and color correction modules to get the final result. An efficient diffusion-like color correction method is presented. Qualitative and quantitative experimental results show that the proposed method produces vivid details which are absent in previous methods without human assistance in over-exposed regions. This improves the overall appearance of the recovered image.

Published in:

Image and Signal Processing (CISP), 2011 4th International Congress on  (Volume:2 )

Date of Conference:

15-17 Oct. 2011