{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,26]],"date-time":"2025-10-26T14:33:14Z","timestamp":1761489194102},"reference-count":37,"publisher":"World Scientific Pub Co Pte Lt","issue":"07","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Patt. Recogn. Artif. Intell."],"published-print":{"date-parts":[[2013,11]]},"abstract":"<jats:p> Every year, agriculture experience significant economic loss due to wild geese, rooks and other flocks of birds. A wide range of devices to detect and deter animals causing conflict is used to prevent this, although their effectiveness is often highly variable, due to habituation to disruptive or disturbing stimuli. Automated recognition of behaviors could form a critical component of a system capable of altering the disruptive stimulus to avoid habituation. This paper presents an audio-visual-based approach for recognition of goose flocking behavior. The vocal communication and movement of the flock is used for the audio-visual recognition, which is accomplished through classifier fusion of an acoustic and a video-based classifier. Acoustic behavior recognition is based on generalized perceptual features and support vector machines, and visual behavior recognition is based on optical flow estimation and a Bayesian Rule-Based scheme. Classifier fusion is implemented using the product rule on the soft-outputs from both classifiers. The algorithm has been used to recognize goose flocking behaviors (landing, foraging and flushing) and have improved the performance compared to using audio- or video-based classifiers alone. The improvement of using classifier fusion is most evident in the case of flushing and landing behavior recognition, where it was possible to combine the advantages of both the audio- and video-based classifier. <\/jats:p>","DOI":"10.1142\/s0218001413500201","type":"journal-article","created":{"date-parts":[[2013,8,19]],"date-time":"2013-08-19T08:50:01Z","timestamp":1376902201000},"page":"1350020","source":"Crossref","is-referenced-by-count":3,"title":["AUDIO-VISUAL RECOGNITION OF GOOSE FLOCKING BEHAVIOR"],"prefix":"10.1142","volume":"27","author":[{"given":"KIM ARILD","family":"STEEN","sequence":"first","affiliation":[{"name":"Department of Engineering, Aarhus University, Finlandsgade 22, 8200 Aarhus N, Denmark"}]},{"given":"OLE ROLAND","family":"THERKILDSEN","sequence":"additional","affiliation":[{"name":"Department of Bioscience, Aarhus University, Gren\u00e5vej 14, 8410 R\u00f8nde, Denmark"}]},{"given":"OLE","family":"GREEN","sequence":"additional","affiliation":[{"name":"Department of Engineering, Aarhus University, Finlandsgade 22, 8200 Aarhus N, Denmark"}]},{"given":"HENRIK","family":"KARSTOFT","sequence":"additional","affiliation":[{"name":"Department of Engineering, Aarhus University, Finlandsgade 22, 8200 Aarhus N, Denmark"}]}],"member":"219","published-online":{"date-parts":[[2013,11,14]]},"reference":[{"key":"rf1","doi-asserted-by":"publisher","DOI":"10.1007\/BF01420984"},{"key":"rf2","series-title":"Information Science and Statistics","volume-title":"Pattern Recognition and Machine Learning","author":"Bishop C. 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