Application of image enhancement method for digital images based on Retinex theory

被引:35
|
作者
Li, Jia [1 ]
机构
[1] Zhejiang Univ Technol, Coll Informat Engn, Inst Fiber Opt Commun & Informat Engn, Hangzhou 310023, Zhejiang, Peoples R China
来源
OPTIK | 2013年 / 124卷 / 23期
基金
中国国家自然科学基金;
关键词
Digital image enhancement; Retinex theory; Multi scale Retinex algorithm;
D O I
10.1016/j.ijleo.2013.04.115
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The image enhancement and implementation of the methods for the digital image enhancement were studied. The characteristics of different image enhancement methods, including contrast enhancement, linear transformation, piecewise linear transformation, grayscale slice transformation and Retinex clearing algorithms were analyzed in detail. Retinex enhancement algorithms were studied and the implementation process for the Retinex algorithm is given. Finally, an example of image enhancement using the multi scale Retinex algorithm (MSR) is achieved. It is shown that MSR can realize the image color constancy, local dynamic range compression, color enhancement and the overall dynamic range compression under certain circumstances. (C) 2013 Elsevier GmbH. All rights reserved.
引用
收藏
页码:5986 / 5988
页数:3
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