WiFlow: Optical Flow from Wi-Fi Channel State Information

Authors/institution: Thomas Weigel et al.; affiliations not stated on abstract page. Status: arXiv preprint, submitted 2 September 2026 (72-hour extension). Problem: camera sensing creates privacy and lighting constraints. Contribution: three CSI-based motion architectures plus a new dataset. Significance: privacy-sensitive indoor robotics and analytics. Limitations: new in-house dataset, no independent reproduction, and environmental/domain transfer is unknown. Paper