Date: Thu, November 9, 17:15-19:15 Place: Room Dw601, D Block, IIS, The University of Tokyo Invited Speaker: Prof. Danilo P. Mandic (Imperial College London) Title: Online Methods for Tracking the Modality Within Real World Signals Abstract: Methods for signal modality characterisation in an off-line manner already exist and have found their application in biomedicine and engineering. It is however equally important to track the changes in signal modality online, since for instance the change in the nature of heart rates from stochastic to deterministic may indicate heart hazard. To that cause we present our recent results on on-line signal modality characterisation, based on the use of hybrid adaptive filters. This framework is supported by simulation results on real-life EEG signals describing epileptic seizure. We next extend these results to the complex domain in order to track some intricate changes in the nature of complex signals, such as their split-complex and fully-complex natures. This is supported by examples on real world maritime radar data.