DoRF++: Spherical Representation Learning over Doppler Radiance Fields for Robust Wi-Fi Sensing

arXiv:2608.08381 · cs.CV, eess.SP · Submitted 2026-08-09 · Read on arXiv

cs.CV, eess.SP

Submitted: 2026-08-09

Updated: 2026-09-19

Code: https://github.com/NVIDIA/torch-harmonics

Terminology

• Generalization — 28× in this paper · explained in 13 episodes
• Accuracy — 25× in this paper · explained in 1 episode
• Transformer — 12× in this paper · explained in 2 episodes
• Representation Learning — 6× in this paper · explained in 2 episodes
• Wi-Fi Channel State Information — 5× in this paper
• Feature Extraction — 4× in this paper · explained in 2 episodes
• Positional Bias — 4× in this paper · explained in 2 episodes
• Alignment — 3× in this paper · explained in 1 episode
• Calibration — 3× in this paper · explained in 7 episodes
• Regularization — 3× in this paper · explained in 3 episodes
• Steering — 3× in this paper · explained in 2 episodes
• Ablation — 2× in this paper · explained in 1 episode
• Ablation study — 2× in this paper · explained in 1 episode
• Adam — 2× in this paper · explained in 2 episodes
• Alternating Minimization — 2× in this paper · explained in 1 episode
• Robustness — 2× in this paper · explained in 5 episodes
• Trace — 2× in this paper · explained in 2 episodes
• Activation Function — 1× in this paper · explained in 1 episode
• Aggregation — 1× in this paper · explained in 1 episode
• Attention Mechanism — 1× in this paper · explained in 3 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Long Training Field — 1× in this paper
• Self-Supervised Learning — 1× in this paper · explained in 8 episodes
• Tokenization — 1× in this paper · explained in 2 episodes
• Workshop on Machine Learning for Signal Processing — 1× in this paper

Sources

• MELON: NeRF with Unposed Images in SO(3)
• Beyond Amplitude: Channel State Information Phase-Aware Deep Fusion for Robotic Activity Recognition
• MORIC: CSI Delay-Doppler Decomposition for Robust Wi-Fi-based Human Activity Recognition
• Attention on the Sphere
• Adam: A Method for Stochastic Optimization

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