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.
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© 2002 Springer-Verlag Berlin Heidelberg
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Zhang, X., Liu, Y., Huang, T.S. (2002). Motion Estimation of Articulated Objects from Perspective Views. In: Perales, F.J., Hancock, E.R. (eds) Articulated Motion and Deformable Objects. AMDO 2002. Lecture Notes in Computer Science, vol 2492. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-36138-3_14
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DOI: https://doi.org/10.1007/3-540-36138-3_14
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