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### 基于流形的约束局部模型拟合

1. 南京航空航天大学计算机科学与技术学院, 江苏 南京 211106
• 收稿日期:2015-08-19 出版日期:2016-06-30 发布日期:2015-08-19
• 作者简介:刘大琨(1984— ),男,山东青岛人,博士研究生,主要研究方向为机器学习、模式识别、计算机视觉. E-mail:liudakun315@nuaa.edu.cn
• 基金资助:
国家自然科学基金资助项目(61073112,61373060);江苏省自然科学基金资助项目(BK2012793,20150527);教育部博士点基金资助项目(RFDP)(20123218110033)镇江市科技计划资助项目(SH2014017)

### Fitting of constrained local model based on manifold

LIU Dakun, TAN Xiaoyang

1. College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, Jiangsu, China
• Received:2015-08-19 Online:2016-06-30 Published:2015-08-19

Abstract: For the sake of embedding the manifold of face shape vectors into the models of face alignment efficiently, the research was carried out based on the typical constraint local model in the face location parameter model. According to the theorem of local coordinate coding and sparse constrain, the non-rigid deformations were replaced by the adjacent facial shape vectors which were based on manifold of facial shapes. The local tangent space alignment in manifold learning was mixed with the point distribution model, and a manifold embedded constrained local model was derived. The experimental verification on the toyed dataset and two public facial databases(i.e. labeled face parts in the wild and labeled face in the wild)were fulfilled. Compared with linear reconstruction based on constrained local model method fitting, the manifold embedded constrained local model method had better accuracy.

• TP130
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