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Graph Stacked Hourglass Networks for 3D Human Pose Estimation

2021-03-30CVPR 2021Code Available1· sign in to hype

Tianhan Xu, Wataru Takano

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Abstract

In this paper, we propose a novel graph convolutional network architecture, Graph Stacked Hourglass Networks, for 2D-to-3D human pose estimation tasks. The proposed architecture consists of repeated encoder-decoder, in which graph-structured features are processed across three different scales of human skeletal representations. This multi-scale architecture enables the model to learn both local and global feature representations, which are critical for 3D human pose estimation. We also introduce a multi-level feature learning approach using different-depth intermediate features and show the performance improvements that result from exploiting multi-scale, multi-level feature representations. Extensive experiments are conducted to validate our approach, and the results show that our model outperforms the state-of-the-art.

Tasks

Benchmark Results

DatasetModelMetricClaimedVerifiedStatus
Human3.6MGraph Stacked Hourglass Network (CPN)Average MPJPE (mm)51.9Unverified
MPI-INF-3DHPGraph Stacked Hourglass NetworkAUC45.8Unverified

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