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基于肤色模型和重心模板的人脸检测

Keywords: 人脸,识别,图像分割,肤色,重心模板

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Abstract:

为了获得具有较高检测率并保持较低误检率的快速人脸检测,提出了一种基于知识的人脸检测方法.在人脸粗检中用肤色模型分割出输入图像中的人脸可能区域,并对这些区域进行重心模板匹配过滤出非人脸区域.利用人脸的生理分布特征设计出一种动态的人脸三分图分布模型,并以不同条件下的大量人脸图像样本作为统计数据建立了一个人脸规则知识库,用来判定过滤后的区域是否为人脸.实验结果表明,该方法具有很好的鲁棒性,能快速检测出不同光照、不同大小和有一定旋转角度的人脸.

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