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Article type: Research Article
Authors: Guan, Haoa; * | An, Zhiyongb
Affiliations: [a] School of Software Engineering, Beijing University of Posts and Telecommunications, Beijing, China | [b] Key Laboratory of Intelligent Information Processing in Universities of Shandong, Shandong Technology and Business University, Yantai, China
Correspondence: [*] Corresponding author. Hao Guan, School of Software Engineering, Beijing University of Posts and Telecommunications, 100876 Beijing, China. E-mail: [email protected].
Abstract: Visual tracking is a popular research topic in computer vision. In this paper, we propose a novel tracking framework which leverages stable and adaptive memories of target appearance for robust tracking where the target undergoes significant appearance change as well as background clutter. First, we define a stable-adaptive memory network which exploits the embedding of the target patch in the first video frame, named as "reliable memory", as well as the embeddings of patches collected online that are referred as "adaptive memories". Through the fusion of these two types of memories, a good balance between stability and plasticity can be made. During tracking, the network searches the candidate which has the highest similarity with the memorized patterns as the tracking result. Second, we train an online detector to re-detect the target in case of tracking failure and update the memory network. By virtue of the proposed mechanism, our tracker can handle the drift problem well and is able to track the object in challenging situations robustly. Experimental results on challenging benchmark video sequences show that the proposed tracking framework achieves state-of-the-art tracking performance with high accuracy and robustness.
Keywords: Visual tracking, convolutional network, online learning, object detection
DOI: 10.3233/JIFS-181362
Journal: Journal of Intelligent & Fuzzy Systems, vol. 36, no. 6, pp. 5521-5531, 2019
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