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Combining Local and...
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Bhat, GoutamLinköpings universitet,Datorseende,Tekniska fakulteten
(author)
Combining Local and Global Models for Robust Re-detection
- Article/chapterEnglish2018
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Institute of Electrical and Electronics Engineers (IEEE),2018
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:liu-158403
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-158403URI
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https://doi.org/10.1109/AVSS.2018.8639159DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:kon swepub-publicationtype
Notes
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Funding Agencies|SSF (SymbiCloud); VR (EMC2) [2016-05543]; CENIIT grant [18.14]; SNIC; WASP
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Discriminative Correlation Filters (DCF) have demonstrated excellent performance for visual tracking. However, these methods still struggle in occlusion and out-of-view scenarios due to the absence of a re-detection component. While such a component requires global knowledge of the scene to ensure robust re-detection of the target, the standard DCF is only trained on the local target neighborhood. In this paper, we augment the state-of-the-art DCF tracking framework with a re-detection component based on a global appearance model. First, we introduce a tracking confidence measure to detect target loss. Next, we propose a hard negative mining strategy to extract background distractors samples, used for training the global model. Finally, we propose a robust re-detection strategy that combines the global and local appearance model predictions. We perform comprehensive experiments on the challenging UAV123 and LTB35 datasets. Our approach shows consistent improvements over the baseline tracker, setting a new state-of-the-art on both datasets.
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Danelljan, Martin,1989-Linköpings universitet,Datorseende,Tekniska fakulteten(Swepub:liu)marda26
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Khan, Fahad Shahbaz,1983-Linköpings universitet,Datorseende,Tekniska fakulteten,Incept Inst Artificial Intelligence, U Arab Emirates(Swepub:liu)fahkh30
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Felsberg, Michael,1974-Linköpings universitet,Datorseende,Tekniska fakulteten(Swepub:liu)micfe03
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Linköpings universitetDatorseende
(creator_code:org_t)
Related titles
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In:Proceedings of AVSS 2018. 2018 IEEE International Conference on Advanced Video and Signal-based Surveillance, Auckland, New Zealand, 27-30 November 2018: Institute of Electrical and Electronics Engineers (IEEE), s. 25-30978153869294397815386929369781538692950
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