Stereo and motion correspondences using nonlinear optimization method |
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Authors: | Eunkwang Park Kwangyun Wohn |
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Affiliation: | Department of Electrical and Computer Engineering, National University of Singapore, blk E4-06-20, 4 Engineering Drive 3, Singapore 117576, Singapore;Electrical Engineering and Computer Science, Divison of Computer Science, Korea Advanced Institute of Science and Technology, 373-1 Kuseong-Dong, Yuseong-Gu, Daejeon 305-701, Republic of Korea |
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Abstract: | This paper presents a new approach for using stereo and motion correspondences to solve the problem of tracking multiple independently moving features. In this approach, quantitative relational structure (QRS) is proposed as a framework for the integration of stereo–motion correspondences. The similarity function, tightly coupled to stereo and motion cues, is constructed on QRS, and then energy function E2 consisting of the similarity function is defined. The tracking problem can be converted into the maximization problem of the energy function E2. The stereo and motion correspondences that maximize E2 are recovered by applying an extended graduated assignment algorithm. The relaxation labeling method is also presented for the comparison with the proposed method. Experimental results are presented to illustrate the performance of the proposed method. |
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Keywords: | Motion analysis Stereo correspondence Graduated assignment algorithm Continuation method Softassign |
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