Online object tracking via bag-of-local-patches

Zhihui Wang; Chunjuan Bo; Dong Wang

doi:10.1117/12.2265338

23 January 2017 Online object tracking via bag-of-local-patches

Zhihui Wang, Chunjuan Bo, Dong Wang

Proceedings Volume 10322, Seventh International Conference on Electronics and Information Engineering; 1032204 (2017) https://doi.org/10.1117/12.2265338
Event: Seventh International Conference on Electronics and Information Engineering, 2016, Nanjing, China

Abstract

As one of the most important tasks in computer vision, online object tracking plays a critical role in numerous lines of research, which has drawn a lot of researchers’ attention and be of many realistic applications. This paper develops a novel tracking algorithm based on the bag-of-local-patches representation with the discriminative learning scheme. In the first frame, a codebook is learned by applying the Kmeans algorithm to a set of densely sampled local patches of the tracked object, and then used to represent the template and candidate samples. During the tracking process, the similarities between the coding coefficients of the candidates and template are chosen as the likelihood values of these candidates. In addition, we propose effective model updating and discriminative learning schemes to capture the appearance change of the tracked object and incorporate the discriminative information to achieve a robust matching. Both qualitative and quantitative evaluations on some challenging image sequences demonstrate that the proposed tracker performs better than other state-of-the-art tracking methods.

Citation Download Citation

Zhihui Wang, Chunjuan Bo, and Dong Wang "Online object tracking via bag-of-local-patches", Proc. SPIE 10322, Seventh International Conference on Electronics and Information Engineering, 1032204 (23 January 2017); https://doi.org/10.1117/12.2265338

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KEYWORDS

Detection and tracking algorithms

Motion models

Optical tracking

Algorithm development

Computer vision technology

Machine vision

Particle filters

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