Audio-visual processing and content management techniques, for the study of (human) bioacoustics phenomena (2006)
Abstract / truncated to 115 words
The present doctoral thesis aims towards the development of new long-term, multi-channel, audio-visual processing techniques for the analysis of bioacoustics phenomena. The effort is focused on the study of the physiology of the gastrointestinal system, aiming at the support of medical research for the discovery of gastrointestinal motility patterns and the diagnosis of functional disorders. The term "processing" in this case is quite broad, incorporating the procedures of signal processing, content description, manipulation and analysis, that are applied to all the recorded bioacoustics signals, the auxiliary audio-visual surveillance information (for the monitoring of experiments and the subjects' status), and the extracted audio-video sequences describing the abdominal sound-field alterations. The thesis outline is as follows. The ... toggle 11 keywordsbioacoustics – abdominal sounds – signal processing – wavelets – de-noising – pattern recognition / experts systems – video motion detection – audio - video indexing / semantic annotation – sound mapping / visualization – audiovisual content management – multimedia content description interface (mpeg-7)
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