Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.

Uninformed abnormal event detection on audio

 
: Bardeli, Rolf; Stein, Daniel

:
Preprint urn:nbn:de:0011-n-2249779 (378 KByte PDF)
MD5 Fingerprint: 9766f5761ad3dcc53f94beea6af47cae
Erstellt am: 22.3.2013


Fingscheidt, Tim ; Informationstechnische Gesellschaft -ITG-, Fachausschuss Sprachakustik:
Sprachkommunikation 2012 : Beiträge zur 10. ITG-Fachtagung vom 26. bis 28. September 2012 in Braunschweig
Berlin: VDE-Verlag, 2012 (ITG-Fachbericht 236)
ISBN: 978-3-8007-3455-9
S.179-182
Fachtagung Sprachkommunikation <10, 2012, Braunschweig>
Englisch
Konferenzbeitrag, Elektronische Publikation
Fraunhofer IAIS ()
abnormal event detection; audio; sound environment; adapting history

Abstract
Although abnormal events in an audio stream are by their nature hard to define, a continuous monitoring of audio surveillance data can detect crucial information in, e.g., train engines that might require critical maintenance. Our method detects abnormal events without being trained on a certain situation, by building a model of the expected sound environment given a continuously adapting history of past audio material within a limited time interval. We evaluate the precision of this method on recordings from train rides.

: http://publica.fraunhofer.de/dokumente/N-224977.html