Motion estimation of articulated objects from perspective views

Xiaoyun Zhang; Yuncai Liu; Thomas S. Huang

doi:10.1007/3-540-36138-3_14

Motion estimation of articulated objects from perspective views

Xiaoyun Zhang, Yuncai Liu, Thomas S. Huang

Coordinated Science Lab

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Motion estimation of articulated objects with two subparts from monocular images are studied in this paper for three cases: 1) one subpart translates, and the other one rotates around the joint; 2) the two rotation axes of the subparts are parallel to each other; 3) the two rotation axes of the subparts are perpendicular with each other. Three motion models are established respectively, and the conditions for a solution are discussed in detail, which shows that only 4, 5 and 6 image point correspondences are needed respectively for the three kinds of articulated motion estimation. The problem of how to distribute the points on the two subparts is also explained. Finally, a lot of simulated experiments are presented, validating the rightness and efficiency of our motion models.

Original language	English (US)
Title of host publication	Articulated Motion and Deformable Objects - 2nd International Workshop, AMDO 2002, Proceedings
Editors	Francisco Jose Perales, Edwin R. Hancock
Publisher	Springer
Pages	165-176
Number of pages	12
ISBN (Print)	9783540001492
DOIs	https://doi.org/10.1007/3-540-36138-3_14
State	Published - 2002
Event	2nd International Workshop on Articulated Motion and Deformable Objects, AMDO 2002 - Palma de Mallorca, Spain Duration: Nov 21 2002 → Nov 23 2002

Publication series

Name	Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume	2492
ISSN (Print)	0302-9743
ISSN (Electronic)	1611-3349

Other

Other	2nd International Workshop on Articulated Motion and Deformable Objects, AMDO 2002
Country/Territory	Spain
City	Palma de Mallorca
Period	11/21/02 → 11/23/02

Keywords

Articulated object
Joint
Motion estimation
Point correspondence

ASJC Scopus subject areas

Theoretical Computer Science
General Computer Science

Online availability

10.1007/3-540-36138-3_14

Library availability

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Cite this

Zhang, X., Liu, Y., & Huang, T. S. (2002). Motion estimation of articulated objects from perspective views. In F. J. Perales, & E. R. Hancock (Eds.), Articulated Motion and Deformable Objects - 2nd International Workshop, AMDO 2002, Proceedings (pp. 165-176). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 2492). Springer. https://doi.org/10.1007/3-540-36138-3_14

Motion estimation of articulated objects from perspective views. / Zhang, Xiaoyun; Liu, Yuncai; Huang, Thomas S.
Articulated Motion and Deformable Objects - 2nd International Workshop, AMDO 2002, Proceedings. ed. / Francisco Jose Perales; Edwin R. Hancock. Springer, 2002. p. 165-176 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 2492).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Zhang, X, Liu, Y & Huang, TS 2002, Motion estimation of articulated objects from perspective views. in FJ Perales & ER Hancock (eds), Articulated Motion and Deformable Objects - 2nd International Workshop, AMDO 2002, Proceedings. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), vol. 2492, Springer, pp. 165-176, 2nd International Workshop on Articulated Motion and Deformable Objects, AMDO 2002, Palma de Mallorca, Spain, 11/21/02. https://doi.org/10.1007/3-540-36138-3_14

Zhang X, Liu Y, Huang TS. Motion estimation of articulated objects from perspective views. In Perales FJ, Hancock ER, editors, Articulated Motion and Deformable Objects - 2nd International Workshop, AMDO 2002, Proceedings. Springer. 2002. p. 165-176. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)). doi: 10.1007/3-540-36138-3_14

Zhang, Xiaoyun ; Liu, Yuncai ; Huang, Thomas S. / Motion estimation of articulated objects from perspective views. Articulated Motion and Deformable Objects - 2nd International Workshop, AMDO 2002, Proceedings. editor / Francisco Jose Perales ; Edwin R. Hancock. Springer, 2002. pp. 165-176 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)).

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title = "Motion estimation of articulated objects from perspective views",

abstract = "Motion estimation of articulated objects with two subparts from monocular images are studied in this paper for three cases: 1) one subpart translates, and the other one rotates around the joint; 2) the two rotation axes of the subparts are parallel to each other; 3) the two rotation axes of the subparts are perpendicular with each other. Three motion models are established respectively, and the conditions for a solution are discussed in detail, which shows that only 4, 5 and 6 image point correspondences are needed respectively for the three kinds of articulated motion estimation. The problem of how to distribute the points on the two subparts is also explained. Finally, a lot of simulated experiments are presented, validating the rightness and efficiency of our motion models.",

keywords = "Articulated object, Joint, Motion estimation, Point correspondence",

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N2 - Motion estimation of articulated objects with two subparts from monocular images are studied in this paper for three cases: 1) one subpart translates, and the other one rotates around the joint; 2) the two rotation axes of the subparts are parallel to each other; 3) the two rotation axes of the subparts are perpendicular with each other. Three motion models are established respectively, and the conditions for a solution are discussed in detail, which shows that only 4, 5 and 6 image point correspondences are needed respectively for the three kinds of articulated motion estimation. The problem of how to distribute the points on the two subparts is also explained. Finally, a lot of simulated experiments are presented, validating the rightness and efficiency of our motion models.

AB - Motion estimation of articulated objects with two subparts from monocular images are studied in this paper for three cases: 1) one subpart translates, and the other one rotates around the joint; 2) the two rotation axes of the subparts are parallel to each other; 3) the two rotation axes of the subparts are perpendicular with each other. Three motion models are established respectively, and the conditions for a solution are discussed in detail, which shows that only 4, 5 and 6 image point correspondences are needed respectively for the three kinds of articulated motion estimation. The problem of how to distribute the points on the two subparts is also explained. Finally, a lot of simulated experiments are presented, validating the rightness and efficiency of our motion models.

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Motion estimation of articulated objects from perspective views

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