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基于一维经验模式分解与梯度脸的人脸光照处理算法 被引量:1

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摘要 提出一种基于一维经验模式分解与梯度脸的人脸光照处理算法。首先将人脸图像分别进行水平方向和垂直方向的一维经验模式分解,分解层数为一层,分解完成后将两张图像相加。重构后的人脸图像用梯度脸对其高频成分进行增强。运用主成分分析法对人脸图像进行降维处理,采用基于余弦距离的k近邻进行分类判别。在Yale B正面人脸库中的实验结果表明,选择适当的参数,利用算法能有效减少人脸光照的影响,对不同角度的光照具有很好的鲁棒性。
出处 《软件导刊》 2016年第10期29-31,共3页 Software Guide
基金 重庆市教委科技项目(KJ121114)
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