Object tracking under occlusions by hierarchical part matching

Lizuo Jin; Weiguo Sun; Sha He

doi:10.1117/12.902052

8 December 2011 Object tracking under occlusions by hierarchical part matching

Lizuo Jin, Weiguo Sun, Sha He

Proceedings Volume 8003, MIPPR 2011: Automatic Target Recognition and Image Analysis; 800310 (2011) https://doi.org/10.1117/12.902052
Event: Seventh International Symposium on Multispectral Image Processing and Pattern Recognition (MIPPR2011), 2011, Guilin, China

Abstract

To tackle occlusions, a hierarchical part matching method based on a layered appearance model for object tracking is presented in this paper, which integrates global and partial region matching together to search the target object in a coarse to fine manner. In order to reduce the ambiguity of object localization, only the discriminative parts are selected for similarity computing with respect to their cornerness measure. The similarity between parts is computed in a layerwised manner, based on which the state of occlusions can be inferred correctly. When occluded partially, the object can be localized accurately, when occluded completely, the historical information of motion is applied to predict its position by a Kalman filter. The proposed tracking method is tested on practical video sequences, and the experimental results show it can consistently provides accurate positions of the object for stable tracking, even under severe occlusions.

Citation Download Citation

Lizuo Jin, Weiguo Sun, and Sha He "Object tracking under occlusions by hierarchical part matching", Proc. SPIE 8003, MIPPR 2011: Automatic Target Recognition and Image Analysis, 800310 (8 December 2011); https://doi.org/10.1117/12.902052

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KEYWORDS

Optical tracking

Detection and tracking algorithms

Filtering (signal processing)

Motion models

Video

Automatic tracking

Image classification

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