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A Multi-scale Adaptive Grey World Algorithm
Li B(李兵)
2007
发表期刊IEICE Trans. On Inf. & Sys.
卷号E91-D期号:7页码:1121-1124
摘要Grey world algorithm is a well-known color constancy algorithm. It based on the Grey-World assumption i.e., the average reflectance of surfaces in the world is achromatic. This algorithm is simple and has low computational costs. However, for the few color images, the light source color could not be estimated correctly using the Grey World algorithm. In this paper, we propose a multi-scale adaptive grey world algorithm (MAGW). First,  multi-scale images are obtained based on wavelet transformation and the illumination color is estimated from different scales images. Then according to the estimated illumination color, the original image is mapped into under a canonical illumination with supervision of an adaptive reliability function, which is based on the image entropy. The experimental results show that our algorithm is effective and also has low computational costs.
关键词Color Constancy
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/20381
专题09年以前成果
作者单位Beijing Jiaotong University
推荐引用方式
GB/T 7714
Li B. A Multi-scale Adaptive Grey World Algorithm[J]. IEICE Trans. On Inf. & Sys.,2007,E91-D(7):1121-1124.
APA Li B.(2007).A Multi-scale Adaptive Grey World Algorithm.IEICE Trans. On Inf. & Sys.,E91-D(7),1121-1124.
MLA Li B."A Multi-scale Adaptive Grey World Algorithm".IEICE Trans. On Inf. & Sys. E91-D.7(2007):1121-1124.
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