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Towards Part-Aware Monocular 3D Human Pose Estimation: An Architecture Search Approach

Conference paper
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Part of the Lecture Notes in Computer Science book series (LNCS, volume 12348)

Abstract

Even though most existing monocular 3D pose estimation approaches achieve very competitive results, they ignore the heterogeneity among human body parts by estimating them with the same network architecture. To accurately estimate 3D poses of different body parts, we attempt to build a part-aware 3D pose estimator by searching a set of network architectures. Consequently, our model automatically learns to select a suitable architecture to estimate each body part. Compared to models built on the commonly used ResNet-50 backbone, it reduces 62% parameters and achieves better performance. With roughly the same computational complexity as previous models, our approach achieves state-of-the-art results on both the single-person and multi-person 3D pose estimation benchmarks.

Keywords

3D pose estimation Body parts Neural architecture search 

Notes

Acknowledgements

This work is jointly supported by National Key Research and Development Program of China (2016YFB1001000), Key Research Program of Frontier Sciences, CAS (ZDBS-LY-JSC032), National Natural Science Foundation of China (61525306, 61633021, 61721004, 61806194, U1803261, 61976132), Shandong Provincial Key Research and Development Program (2019JZZY010119), HW2019SOW01, and CAS-AIR.

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Center for Research on Intelligent Perception and Computing, NLPR, CASIABeijingChina
  2. 2.Center for Excellence in Brain Science and Intelligence Technology, CASBeijingChina
  3. 3.School of Artificial IntelligenceUniversity of Chinese Academy of SciencesBeijingChina
  4. 4.Chinese Academy of Sciences, Artificial Intelligence Research (CAS-AIR)BeijingChina
  5. 5.School of AstronauticsBeihang UniversityBeijingChina

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