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Learning Deep Lucas-Kanade Siamese Network for Visual Tracking
DOI:10.1109/TIP.2021.3076272.png)
摘要
En 中文
In most recent years, Siamese trackers have drawn great attention because of their well-balanced accuracy and efficiency. Although these approaches have achieved great success, the discriminative power of the conventional Siamese trackers is still limited by the insufficient template-candidate representation. Most of the existing approaches take non-aligned features to learn a similarity function for template-candidate matching, while the target object's geometrical transformation is seldom explored. To address this problem, we propose a novel Siamese tracking framework, which enables to dynamically transform the template-candidate features to a more discriminative viewpoint for similarity matching. Specifically, we reformulate the template-candidate matching problem of the conventional Siamese tracker from the perspective of Lucas-Kanade (LK) image alignment approach. A Lucas-Kanade network (LKNet) is proposed and incorporated to the Siamese architecture to learn aligned feature representations in data-driven trainable manner, which is able to enhance the model adaptability in challenging scenarios. Within this framework, we propose two Siamese trackers named LK-Siam and LK-SiamRPN to validate the effectiveness. Extensive experiments conducted on the prevalent datasets show that the proposed method is more competitive over a number of state-of-the-art methods.
Keyword:
Target tracking
Visualization
Feature extraction
Training
Object tracking
Task analysis
Agriculture
Siamese network
Lucas-Kanade algorithm
dynamic template-candidate matching
object tracking
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期刊
IF:
13.7
论文数:
1.0W
被引数:
8.4W
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