期刊
INTERNATIONAL JOURNAL OF COMPUTER VISION
卷 127, 期 8, 页码 1063-1083出版社
SPRINGER
DOI: 10.1007/s11263-018-01147-z
关键词
Multi-target tracking; Multi-dimensional assignment; Rank-1 tensor approximation; Data association
资金
- Beijing Natural Science Foundation [L172051]
- Natural Science Foundation of China [61502492, 61751212, 61721004]
- NSFC-general technology collaborative Fund for basic research [U1636218]
- Key Research Program of Frontier Sciences, CAS [QYZDJ-SSW-JSC040]
- CAS External cooperation key project
- US NSF [1814745, 1407156, 1350521]
High-order motion information is important in multi-target tracking (MTT) especially when dealing with large inter-target ambiguities. Such high-order information can be naturally modeled as a multi-dimensional assignment (MDA) problem, whose global solution is however intractable in general. In this paper, we propose a novel framework to the problem by reshaping MTT as a rank-1 tensor approximation problem (R1TA). We first show that MDA and R1TA share the same objective function and similar constraints. This discovery opens a door to use high-order tensor analysis for MTT and suggests the exploration of R1TA. In particular, we develop a tensor power iteration algorithm to effectively capture high-order motion information as well as appearance variation. The proposed algorithm is evaluated on a diverse set of datasets including aerial video sequences containing ariel borne dense highway scenes, top-view pedestrian trajectories, multiple similar objects, normal view pedestrians and vehicles. The effectiveness of the proposed algorithm is clearly demonstrated in these experiments.
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