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基于复合变换的人脸光照补偿方案 被引量：6

Facial illumination compensation based on composite transformation
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摘要 分析了非线性变换对图像产生的影响,提出一种复合变换补偿的方法。该方法产生的变换曲线两端起伏剧烈而中间平缓,有效地扩充了中间正常光照区域。选取了过亮、过暗和偏光等不同光照条件下的图像进行实验,结果表明该方法能对光照进行有效的补偿。 This paper analyzed the effect of general nonlinear transformation to images, and proposed a composite transformation method. Transformation curves produced by this method have dramatically changing ends and flat middle areas. Experimental results on images with different illumination conditions, especially over-lighting, over-shading, and partial-lighting, show that this method is effective in compensating uneven illumination distribution.
作者 郑庆 闵帆 陈雷霆
机构地区 电子科技大学数字媒体研究所
出处 《计算机应用研究》 CSCD 北大核心 2008年第2期507-508,532,共3页 Application Research of Computers
基金 四川省青年科技基金资助项目(05ZQ026-048)
关键词 光照补偿 人脸检测 非线性变换 复合变换 illumination compensation face detection nonlinear transformation composite transformation
分类号 TP391 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献9

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二级参考文献24

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共引文献26

同被引文献38

  • 1刘宏,李锦涛,苗军.多方法融合来解决人脸检测中的光照补偿[J].系统仿真学报,2001,13(S2):486-489. 被引量：14
  • 2王鸿南,钟文,汪静,夏德深.图像清晰度评价方法研究[J].中国图象图形学报（A辑）,2004,9(7):828-831. 被引量：123
  • 3刘丽华.人脸识别方法综述[J].云南师范大学学报（自然科学版）,2005,25(6):13-18. 被引量：5
  • 4卿来云,山世光,陈熙霖,高文.基于球面谐波基图像的任意光照下的人脸识别[J].计算机学报,2006,29(5):760-768. 被引量：27
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引证文献6

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计算机应用研究
2008年 第2期

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