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	A novel retinex based approach for image enhancement with illumination adjustment
	Fu, Xueyang ; Sun, Y ; Liwang, Min ; Huang, ; Zhang, Xiao-Pi ; Ding, Xingh ; Huang Y(黄悦) ; Zhang XP(张晓萍) ; Ding XH(丁兴号)
	2014
关键词	Algorithms Reflection Signal processing
英文摘要	Conference Name:2014 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2014. Conference Address: Florence, Italy. Time:May 4, 2014 - May 9, 2014.; Retinex based algorithms have been widely used among in image enhancement. Since many retinex based algorithms remove illumination and regard the reflectance as enhancement, over-enhancement and unnaturalness are inevitable. In this paper, a novel retinex based image enhancement using illumination adjustment is proposed. Different from existing variational retinex models, a new model without the logarithmic transformation is established and can well preserve the edge. A fast alternating direction optimization method is used to solve this problem. After the decomposition of illumination and reflectance, a simple and effective post-processing method for illumination adjustment is adopted for the enhancement to make the result more natural. The proposed method can deal with many kinds of image, such as high dynamic range (HDR) images and non-uniform illumination images. Experimental results illustrate that the naturalness can be preserved while details are enhanced by the presented new approach. ? 2014 IEEE.
语种	英语
出处	http://dx.doi.org/10.1109/ICASSP.2014.6853785
出版者	Institute of Electrical and Electronics Engineers Inc.
内容类型	其他
源URL	[http://dspace.xmu.edu.cn/handle/2288/86911]
专题	信息技术－会议论文
推荐引用方式 GB/T 7714	Fu, Xueyang,Sun, Y,Liwang, Min,et al. A novel retinex based approach for image enhancement with illumination adjustment. 2014-01-01.

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