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电子学报  2009 

一种基于光照补偿的图像增强算法

, PP. 151-155

Keywords: 图像增强,光照补偿,EMD,Retinex

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Abstract:

针对局部光照不均图像的增强问题,提出了一种新的基于光照补偿的图像增强方案.该算法将待增强图像分别乘以不同的照射系数来获得不同光照补偿后的多幅图像,利用限邻域经验模式分解(NeighborhoodLimitedEmpiricalModeDecomposition,NLEMD)提取各光照补偿后图像的细节信息和照射分量,所有图像的细节信息叠加来增强纹理细节,照射分量用Retinex算法进行增强处理,最后重构出增强结果.实验表明,该增强方案可以对图像的细节有效地增强,同时有效地解决了光照补偿问题.

References

[1]  Pichon E,Niethammer M,Sapiro G.Color histogram equalization through mesh deformation[J].IEEE Transaction on Image Processing,2003,2(11):117-120.
[2]  Russo F.Recent advances in fuzzy techniques for image enhancement[J].IEEE Transaction on Instrumentation and Measurement,1998,47(6):1428-1434.
[3]  Belhumeur P N,Hespanha J P,Kriegman D J.Eigertfaces vs Fisherfaces:Recognition using class specic linear projection[J].IEEE Transactions on Pattern Analysis and Machine Intelligence,1997,19(7):711-720.
[4]  Huang N E,Shen Z.The empirical mode decomposition and the Hilbert spectrum for nordinear non-stationary time series analysis[J].Proceedings of the Royal Society of London Series A,1998,454:903-995.
[5]  Yang S H,Lin D W.A geometry-enhanced color histogram[A].International Conference Information Technology:Research and Education[C].New Jersey,USA,IEEE,2003.563-567.
[6]  Land E H,McCann J.Lightness and retinex theory[J].Journal of Optical Society of America,1971,61(1):1-11.
[7]  Moghaddam B,Wahid W,Pentland A.Beyond eigenfaces:probabilistic matching.for face recognition[A].Proceeding of International Conference on Automatic Face and Gesture[C]:IEEE,Nara,Japan,1998.30-35.
[8]  徐冠雷,王孝通,徐晓刚等.基于限邻域EMD的图像增强[J].电子学报,2006,34(9):1635-1639.

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