Modelling nonrigid object from video sequence under perspective projection

CASIA OpenIR > 09年以前成果

	Modelling nonrigid object from video sequence under perspective projection
	Wang, GH ; Tian, YT ; Sun, GQ ; Tao, J; Picard, RW
发表期刊	AFFECTIVE COMPUTING AND INTELLIGENT INTERACTION, PROCEEDINGS
	2005
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
推荐引用方式 GB/T 7714	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.