Robust Superpixel Tracking with Weighted Multiple-Instance Learning

Xu CHENG, Nijun LI, Tongchi ZHOU, Lin ZHOU, Zhenyang WU

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Summary :

This paper proposes a robust superpixel-based tracker via multiple-instance learning, which exploits the importance of instances and mid-level features captured by superpixels for object tracking. We first present a superpixels-based appearance model, which is able to compute the confidences of the object and background. Most importantly, we introduce the sample importance into multiple-instance learning (MIL) procedure to improve the performance of tracking. The importance for each instance in the positive bag is defined by accumulating the confidence of all the pixels within the corresponding instance. Furthermore, our tracker can help recover the object from the drifting scene using the appearance model based on superpixels when the drift occurs. We retain the first (k-1) frames' information during the updating process to alleviate drift to some extent. To evaluate the effectiveness of the proposed tracker, six video sequences of different challenging situations are tested. The comparison results demonstrate that the proposed tracker has more robust and accurate performance than six ones representing the state-of-the-art.

Publication
IEICE TRANSACTIONS on Information Vol.E98-D No.4 pp.980-984
Publication Date
2015/04/01
Publicized
2015/01/15
Online ISSN
1745-1361
DOI
10.1587/transinf.2014EDL8176
Type of Manuscript
LETTER
Category
Image Recognition, Computer Vision

Authors

Xu CHENG
  Southeast University
Nijun LI
  Southeast University
Tongchi ZHOU
  Southeast University
Lin ZHOU
  Southeast University
Zhenyang WU
  Southeast University

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