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Pattern Recognition and Artificial Intelligence  2024, Vol. 37 Issue (5): 410-423    DOI: 10.16451/j.cnki.issn1003-6059.202405003
Object Detection, Recognition and Adversarial Defense Current Issue| Next Issue| Archive| Adv Search |
Spatio-Temporal IoU Constraints Based Adversarial Defense Method for Object Tracking
SHENG Jingjing1, ZHANG Dawei1,2, CAI Tingyi1,2, XIAO Xin2, ZHENG Zhonglong1,2, JIANG Yunliang1,2
1. School of Computer Science and Technology, Zhejiang Normal University, Jinhua 321004;
2. Key Laboratory of Intelligent Education Technology and Application of Zhejiang Province, Zhejiang Normal University, Jinhua 321004

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Abstract  With the wide application of deep learning in the field of visual tracking, adversarial attack is one of key factors affecting the model performance. However, the research on defense methods for adversarial attack is still in the initial stage. Therefore, a spatio-temporal intersection over union(IoU) constraints based adversarial defense method for object tracking is proposed. In this method, Gaussian noise constraints are firstly added to the adversarial examples. Then, according to the tangent direction of the noise contour, the tangential constraint with the same noise level and the highest spatio-temporal IoU score is selected. The normal constraint is utilized to update the defense target towards the direction of the original image, and the normal and tangential constraints are orthogonally combined and optimized. Finally, the combined vector with the highest spatio-temporal IoU score and the lowest noise level is selected as the best constraint, and it is added to the adversarial example image and transferred to the next frame image, thereby realizing temporal defense. Experiments on VOT2018, OTB100, GOT-10k and LaSOT tracking datasets verify the validity of the proposed method.
Key wordsObject Tracking      Adversarial Defense      Adversarial Attack      Spatio-Temporal Intersection over Union     
Received: 21 February 2024     
ZTFLH: TP391.4  
Fund:National Natural Science Foundation of China(No.62272419), Natural Science Foundation of Zhejiang Province(No.LQ23F020010,LZ22F020010), Jinhua Science and Technology Plan Project(No.2023-4-016).
Corresponding Authors: ZHENG Zhonglong, Ph.D., professor. His research inte-rests include pattern recognition, machine lear-ning and image processing.   
About author:: SHENG Jingjing, Master student. Her research interests include computer vision and adversarial attack and defense. ZHANG Dawei, Ph.D., lecturer. His research interests include deep learning and computer vision. CAI Tingyi, Ph.D. candidate. Her research interests include graph neural networks and graph representation learning. XIAO Xin, Ph.D. candidate. Her research interests include artificial intelligence and intelligent education. JIANG Yunliang, Ph.D., professor. His research interests include intelligent information processing and geographic information system.
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SHENG Jingjing
ZHANG Dawei
CAI Tingyi
XIAO Xin
ZHENG Zhonglong
JIANG Yunliang
Cite this article:   
SHENG Jingjing,ZHANG Dawei,CAI Tingyi等. Spatio-Temporal IoU Constraints Based Adversarial Defense Method for Object Tracking[J]. Pattern Recognition and Artificial Intelligence, 2024, 37(5): 410-423.
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