3 papers
eess.SP2026
Learning Displacement-Aware WiFi Representations for Weakly Supervised Relative Localization
Tzu-Ti Wei, Po-Cheng Chen, Yu-Chee Tseng +1
WiFi fingerprint-based indoor localization has been widely studied, but most existing approaches focus on absolute positioning and rely on dense coordinate annotations, which are c…
cs.CR2026
Multi-User Multi-Key Image Steganography with Key Isolation
Tzu-Ti Wei, Yu-Han Tseng, Jun-Yi Lin +2
Steganography conceals secret information within innocuous carriers while preserving visual fidelity and enabling reliable recovery. Recent unified networks operate normally under…
cs.CV2026
WiFi2Cap: Semantic Action Captioning from Wi-Fi CSI via Limb-Level Semantic Alignment
Tzu-Ti Wei, Chu-Yu Huang, Yu-Chee Tseng +1
Privacy-preserving semantic understanding of human activities is important for indoor sensing, yet existing Wi-Fi CSI-based systems mainly focus on pose estimation or predefined ac…