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Modelling nonrigid object from video sequence under perspective projection
Wang, GH; Tian, YT; Sun, GQ; Tao, J; Picard, RW
2005
发表期刊AFFECTIVE COMPUTING AND INTELLIGENT INTERACTION, PROCEEDINGS
卷号3784页码:64-71
文章类型Article
摘要The paper is focused on the problem of estimating 3D structure and motion of nonrigid object from a monocular video sequence. Many previous methods on this problem utilize the extension technique of factorization based on rank constraint to the tracking matrix, where the 3D shape of nonrigid object is expressed as weighted combination of a set of shape bases. All these solutions are based on the assumption of affine camera model. This assumption will become invalid and cause large reconstruction errors when the object is close to the camera. The main contribution of this paper is that we extend these methods to the general perspective camera model. The proposed algorithm iteratively updates the shape and motion from weak perspective projection to fully perspective projection by refining the scalars corresponding to the projective depths. Extensive experiments on real sequences validate the effectiveness and improvements of the proposed method.
WOS标题词Science & Technology ; Technology
关键词[WOS]FACTORIZATION METHOD ; MOTION RECOVERY ; SHAPE
收录类别ISTP ; SCI
语种英语
WOS研究方向Computer Science
WOS类目Computer Science, Artificial Intelligence ; Computer Science, Theory & Methods
WOS记录号WOS:000234342700009
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9097
专题09年以前成果
作者单位1.Aviat Univ Airforce, Dept Control Engn, Changchun 130022, Peoples R China
2.Jilin Univ, Sch Commun Engn, Changchun 130022, Peoples R China
3.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100080, Peoples R China
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Wang, GH,Tian, YT,Sun, GQ,et al. Modelling nonrigid object from video sequence under perspective projection[J]. AFFECTIVE COMPUTING AND INTELLIGENT INTERACTION, PROCEEDINGS,2005,3784:64-71.
APA Wang, GH,Tian, YT,Sun, GQ,Tao, J,&Picard, RW.(2005).Modelling nonrigid object from video sequence under perspective projection.AFFECTIVE COMPUTING AND INTELLIGENT INTERACTION, PROCEEDINGS,3784,64-71.
MLA Wang, GH,et al."Modelling nonrigid object from video sequence under perspective projection".AFFECTIVE COMPUTING AND INTELLIGENT INTERACTION, PROCEEDINGS 3784(2005):64-71.
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