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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1109/TPAMI.2018.2816031
|2 doi
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|a pubmed24n0954.xml
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|a DE-627
|b ger
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|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Zhou, Xiaowei
|e verfasserin
|4 aut
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| 245 |
1 |
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|a MonoCap
|b Monocular Human Motion Capture using a CNN Coupled with a Geometric Prior
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| 264 |
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|c 2019
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 20.11.2019
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Recovering 3D full-body human pose is a challenging problem with many applications. It has been successfully addressed by motion capture systems with body worn markers and multiple cameras. In this paper, we address the more challenging case of not only using a single camera but also not leveraging markers: going directly from 2D appearance to 3D geometry. Deep learning approaches have shown remarkable abilities to discriminatively learn 2D appearance features. The missing piece is how to integrate 2D, 3D, and temporal information to recover 3D geometry and account for the uncertainties arising from the discriminative model. We introduce a novel approach that treats 2D joint locations as latent variables whose uncertainty distributions are given by a deep fully convolutional neural network. The unknown 3D poses are modeled by a sparse representation and the 3D parameter estimates are realized via an Expectation-Maximization algorithm, where it is shown that the 2D joint location uncertainties can be conveniently marginalized out during inference. Extensive evaluation on benchmark datasets shows that the proposed approach achieves greater accuracy over state-of-the-art baselines. Notably, the proposed approach does not require synchronized 2D-3D data for training and is applicable to "in-the-wild" images, which is demonstrated with the MPII dataset
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| 650 |
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|a Journal Article
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| 650 |
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4 |
|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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| 700 |
1 |
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|a Zhu, Menglong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pavlakos, Georgios
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Leonardos, Spyridon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Derpanis, Konstantinos G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Daniilidis, Kostas
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t IEEE transactions on pattern analysis and machine intelligence
|d 1979
|g 41(2019), 4 vom: 22. Apr., Seite 901-914
|w (DE-627)NLM098212257
|x 1939-3539
|7 nnns
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| 773 |
1 |
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|g volume:41
|g year:2019
|g number:4
|g day:22
|g month:04
|g pages:901-914
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| 856 |
4 |
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|u http://dx.doi.org/10.1109/TPAMI.2018.2816031
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