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Faster VoxelPose: Real-time 3D Human Pose Estimation by Orthographic Projection

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Computer Vision – ECCV 2022 (ECCV 2022)

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Abstract

While the voxel-based methods have achieved promising results for multi-person 3D pose estimation from multi-cameras, they suffer from heavy computation burdens, especially for large scenes. We present Faster VoxelPose to address the challenge by re-projecting the feature volume to the three two-dimensional coordinate planes and estimating XYZ coordinates from them separately. To that end, we first localize each person by a 3D bounding box by estimating a 2D box and its height based on the volume features projected to the xy-plane and z-axis, respectively. Then for each person, we estimate partial joint coordinates from the three coordinate planes separately which are then fused to obtain the final 3D pose. The method is free from costly 3D-CNNs and improves the speed of VoxelPose by ten times and meanwhile achieves competitive accuracy as the state-of-the-art methods, proving its potential in real-time applications.

H. Ye and W. Zhu—Equal contribution.

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Acknowledgement

This work was supported in part by MOST-2018AAA0102004 and NSFC-62061136001.

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Correspondence to Chunyu Wang .

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Ye, H., Zhu, W., Wang, C., Wu, R., Wang, Y. (2022). Faster VoxelPose: Real-time 3D Human Pose Estimation by Orthographic Projection. In: Avidan, S., Brostow, G., Cissé, M., Farinella, G.M., Hassner, T. (eds) Computer Vision – ECCV 2022. ECCV 2022. Lecture Notes in Computer Science, vol 13666. Springer, Cham. https://doi.org/10.1007/978-3-031-20068-7_9

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  • DOI: https://doi.org/10.1007/978-3-031-20068-7_9

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