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Unsupervised Temporal Learning on Monocular Videos for 3D Human Pose Estimation. (arXiv:2012.01511v3 [cs.CV] UPDATED)
April 15, 2022, 1:12 a.m. | Sina Honari, Victor Constantin, Helge Rhodin, Mathieu Salzmann, Pascal Fua
cs.LG updates on arXiv.org arxiv.org
In this paper we propose an unsupervised learning method to extract temporal
information on monocular videos, where we detect and encode subject of interest
in each frame and leverage contrastive self-supervised (CSS) learning to
extract rich latent vectors. Instead of simply treating the latent features of
nearby frames as positive pairs and those of temporally-distant ones as
negative pairs as in other CSS approaches, we explicitly disentangle each
latent vector into a time-variant component and a time-invariant one. We then …
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