Papers › Towards Robust and Realistic Human Pose Estimation via WiFi Signals

Towards Robust and Realistic Human Pose Estimation via WiFi Signals

16 Jan 2025arXiv:2501.09411archive 2025-07-28

Yang Chen, Jingcai Guo, Song Guo, Jingren Zhou, DaCheng Tao

Robust WiFi-based human pose estimation is a challenging task that bridges discrete and subtle WiFi signals to human skeletons. This paper revisits this problem and reveals two critical yet overlooked issues: 1) cross-domain gap, i.e., due to significant variations between source-target domain pose distributions; and 2) structural fidelity gap, i.e., predicted skeletal poses manifest distorted topology, usually with misplaced joints and disproportionate bone lengths. This paper fills these gaps by reformulating the task into a novel two-phase framework dubbed DT-Pose: Domain-consistent representation learning and Topology-constrained Pose decoding. Concretely, we first propose a temporal-consistent contrastive learning strategy with uniformity regularization, coupled with self-supervised masking-reconstruction operations, to enable robust learning of domain-consistent and motion-discriminative WiFi-specific representations. Beyond this, we introduce a simple yet effective pose decoder with task prompts, which integrates Graph Convolution Network (GCN) and Transformer layers to constrain the topology structure of the generated skeleton by exploring the adjacent-overarching relationships among human joints. Extensive experiments conducted on various benchmark datasets highlight the superior performance of our method in tackling these fundamental challenges in both 2D/3D human pose estimation tasks.

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cseeyangchen/dt-pose officialmentioned in papermentioned on GitHubpytorch report

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Tasks

3D Human Pose Estimation Contrastive Learning Decoder Pose Estimation Representation Learning

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Methods

Absolute Position Encodings Adam Attention BPE Contrastive Learning Convolution Dense Connections Dropout Label Smoothing Layer Normalization Linear Layer Multi-Head Attention Position-Wise Feed-Forward Layer Residual Connection Softmax Transformer

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