3 papers
eess.AS2026
Subspace Track-before-Detect for Passive Multi-Target Tracking with Unknown Emitted Signals
Nobutaka Ito, Yoshiaki Bando
Passive multi-target tracking (MTT) aims to infer the time-varying kinematic and activity states of an unknown number of sources that emit unknown and possibly nonstationary signal…
eess.AS2026
cSTMM: A Unified Complex Spherical Student's Mixture Model for Directional Statistics in Mask-Based Blind Speech Separation
Nobutaka Ito
Directional-statistics-based mask-based blind speech separation (BSS) clusters normalized time-frequency (TF) observations from microphones on the complex unit sphere, without…
eess.AS2025
30+ Years of Source Separation Research: Achievements and Future Challenges
Shoko Araki, Nobutaka Ito, Reinhold Haeb-Umbach +3
Source separation (SS) of acoustic signals is a research field that emerged in the mid-1990s and has flourished ever since. On the occasion of ICASSP's 50th anniversary, we review…