Universal time-series representation learning: A survey

P Trirat, Y Shin, J Kang, Y Nam, J Na, M Bae… - arXiv preprint arXiv …, 2024 - arxiv.org
Time-series data exists in every corner of real-world systems and services, ranging from
satellites in the sky to wearable devices on human bodies. Learning representations by …

Uncovering the hidden dynamics of video self-supervised learning under distribution shifts

P Sarkar, A Beirami, A Etemad - Advances in Neural …, 2024 - proceedings.neurips.cc
Video self-supervised learning (VSSL) has made significant progress in recent years.
However, the exact behavior and dynamics of these models under different forms of …

Learning Group Activity Features Through Person Attribute Prediction

C Nakatani, H Kawashima… - Proceedings of the IEEE …, 2024 - openaccess.thecvf.com
Abstract This paper proposes Group Activity Feature (GAF) learning in which features of
multi-person activity are learned as a compact latent vector. Unlike prior work in which the …

Fine-grained key-value memory enhanced predictor for video representation learning

X Li, J Wu, S He, S Kang, Y Yu, L Nie… - Proceedings of the 31st …, 2023 - dl.acm.org
Self-supervised learning methods have shown significant promise in acquiring robust
spatiotemporal representations from unlabeled videos. In this work, we address three critical …

Self-supervised video representation learning by serial restoration with elastic complexity

Z Chen, H Wang, CW Chen - IEEE Transactions on Multimedia, 2023 - ieeexplore.ieee.org
Self-supervised video representation learning leaves out heavy manual annotation by
automatically excavating supervisory signals. Although contrastive learning based …

Similarity contrastive estimation for image and video soft contrastive self-supervised learning

J Denize, J Rabarisoa, A Orcesi, R Hérault - Machine Vision and …, 2023 - Springer
Contrastive representation learning has proven to be an effective self-supervised learning
method for images and videos. Most successful approaches are based on Noise Contrastive …

Benchmarking self-supervised video representation learning

A Kumar, A Kumar, V Vineet, YS Rawat - arXiv preprint arXiv:2306.06010, 2023 - arxiv.org
Self-supervised learning is an effective way for label-free model pre-training, especially in
the video domain where labeling is expensive. Existing self-supervised works in the video …

No More Shortcuts: Realizing the Potential of Temporal Self-Supervision

IR Dave, S Jenni, M Shah - Proceedings of the AAAI Conference on …, 2024 - ojs.aaai.org
Self-supervised approaches for video have shown impressive results in video
understanding tasks. However, unlike early works that leverage temporal self-supervision …

Cross-view motion consistent self-supervised video inter-intra contrastive for action representation understanding

S Bi, Z Hu, H Zhang, J Di, Z Sun - Neural Networks, 2024 - Elsevier
Self-supervised contrastive learning draws on power representational models to acquire
generic semantic features from unlabeled data, and the key to training such models lies in …

Self-supervised Video Representation Learning via Capturing Semantic Changes Indicated by Saccades

Q Lai, A Zeng, Y Wang, L Cao, Y Li… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this paper, we propose a self-supervised video representation learning (video SSL)
method by taking inspiration from cognitive science and neuroscience on human visual …