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Self-supervised Video Transformer
SUNY Stony Brook, NY 11794 USA; Mohamed Bin Zayed Univ AI, U Arab Emirates.
Mohamed Bin Zayed Univ AI, U Arab Emirates; Australian Natl Univ, Australia.
Mohamed Bin Zayed Univ AI, U Arab Emirates; Australian Natl Univ, Australia.
Linköpings universitet, Institutionen för systemteknik, Datorseende. Linköpings universitet, Tekniska fakulteten. Mohamed Bin Zayed Univ AI, U Arab Emirates.
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2022 (Engelska)Ingår i: 2022 IEEE/CVF CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION (CVPR 2022), IEEE COMPUTER SOC , 2022, s. 2864-2874Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

In this paper, we propose self:supervised training for video transformers using unlabeled video data. From a given video, we create local and global spatiotemporal views with varying spatial sizes and frame rates. Our self-supervised objective seeks to match the features of these different views representing the same video, to be invariant to spatiotemporal variations in actions. To the best of our knowledge, the proposed approach is the first to alleviate the dependency on negative samples or dedicated memory banks in Self-supervised Video Transformer (SVT). Further; owing to the flexibility of Transformer models, SVT supports slow-fast video processing within a single architecture using dynamically adjusted positional encoding and supports long-term relationship modeling along spatiotemporal dimensions. Our approach performs well on four action recognition benchmarks (Kinetics-400, UCF-101, HMDB-51, and SSv2) and converges faster with small batch sizes. Code is available at: https://git.io/J1juJ

Ort, förlag, år, upplaga, sidor
IEEE COMPUTER SOC , 2022. s. 2864-2874
Serie
IEEE Conference on Computer Vision and Pattern Recognition, ISSN 1063-6919
Nationell ämneskategori
Annan data- och informationsvetenskap
Identifikatorer
URN: urn:nbn:se:liu:diva-190656DOI: 10.1109/CVPR52688.2022.00289ISI: 000867754203013ISBN: 9781665469463 (digital)ISBN: 9781665469470 (tryckt)OAI: oai:DiVA.org:liu-190656DiVA, id: diva2:1720846
Konferens
IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), New Orleans, LA, jun 18-24, 2022
Anmärkning

Funding Agencies|National Science Foundation [IIS-2104404, CNS2104416]

Tillgänglig från: 2022-12-20 Skapad: 2022-12-20 Senast uppdaterad: 2022-12-20

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Khan, Fahad
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