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A Probabilistic Graph-Based Framework for Plug-and-Play Multi-Cue Visual Tracking
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DOI：10.1109/TIP.2014.2312286.png)
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Abstract
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In this paper, we propose a novel approach for integrating multiple tracking cues within a unified probabilistic graph-based Markov random fields (MRFs) representation. We show how to integrate temporal and spatial cues encoded by unary and pairwise probabilistic potentials. As the inference of such high-order MRF models is known to be NP-hard, we propose an efficient spectral relaxation-based inference scheme. The proposed scheme is exemplified by applying it to a mixture of five tracking cues, and is shown to be applicable to wider sets of cues. This paves the way for a modular plug-and-play tracking framework that can be easily adapted to diverse tracking scenarios. The proposed scheme is experimentally shown to compare favorably with contemporary state-of-the-art schemes, and provides accurate tracking results.
Keywords:
Object segmentation
machine vision
image segmentation
graph theory
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