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一种剪纸风格人脸肖像生成算法 被引量:2

Algorithm for Generation Portrait of Paper-cut Style
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摘要 为了得到人脸肖像剪纸图,提出了一种基于主动形状模型(Active Shape Model,ASM)和图像变形算法的计算机生成方法。首先通过对人脸特征的分析和概括,训练得到人脸的ASM模型。然后选取一幅人脸肖像剪纸图和一张需要进行剪纸效果处理的真人人脸照片,通过ASM自动标定剪纸图和人脸照片的脸部特征点,根据特征点的位置,采用TPS(Thin Plate Spline,TPS)变形和基于曲线的MLS(Moving Least Squares,MLS)变形算法对剪纸图进行变形,最后得到人脸照片的肖像剪纸图。主观测评实验表明,该方法能得到较好的人脸肖像剪纸效果。 In order to gain the paper-cut painting of face portrait, a generation method based on Active Shape Model (ASM) and an image deformation algorithm was proposed. Firstly, the facial features were analyzed and summarized to get the facial ASM through training. Secondly, a portrait paper-cut painting and a portrait image which would be transferred to the style of the paper-cut were selected, and then the facial features of paper-cut painting and portrait image were calibrated automatically using ASM. According to the position of calibrated facial feature points, the thin plate spline (TPS) deformation algorithm and Moving Least Squares (MLS) deformation algorithm based on curves MLS were adopted to deform. Lastly, the personal portrait with paper-cut style was obtained. The subjective evaluation experiment shows that the better facial portrait paper-cut painting can be obtained using the method proposed.
出处 《系统仿真学报》 CAS CSCD 北大核心 2013年第9期2115-2119,共5页 Journal of System Simulation
基金 国家自然科学基金(61271361 61163019) 云南省教育厅重点项目(2012Z056) 教育部博士点基金项目(20095301110006)
关键词 非真实感绘制 计算机剪纸 人脸肖像 形状模型 图像变形 non-photorealistic rendering computer paper-cut human portrait shape model deformation
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