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A structure-from-motion method: use of motion in three-dimensional reconstruction of moving objects from multiple-view image sequences

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1 Author(s)
H. V. Le ; Dept. of Electr. & Comput. Eng., Vietnam Nat. Univ., Hanoi, Vietnam

Solving the correspondence problem is the most essential task for multiview reconstruction techniques, yet finding unique correspondences between multiple views is impossible at some points, due to such problems as occlusions and ambiguities. We have developed a closed-form solution through constructive geometry for a special case of the structure-from-motion (SfM) problem with four rigidly moving points. This solution allows the 3-D position of a point on a moving object to be computed without having to find the correspondence between its projections on the image planes of multiple views, given its projected 2-D motion vector on an image plane and 3-D information of three other points. With this method we do not have to depend entirely on stereo/multiview feature correspondences in reconstructing 3-D objects, hence easing those problems caused by occlusions and ambiguities.

Published in:

3D Data Processing, Visualization and Transmission, 2004. 3DPVT 2004. Proceedings. 2nd International Symposium on

Date of Conference:

6-9 Sept. 2004