Title :
Multimodal information fusion for automated recognition of complex agitation behaviors of dementia patients
Author :
Qiang Qiu ; Siang Fook Foo ; Aung Aung Phyo Wai ; Viet Thang Pham ; Maniyeri, Jayachandran ; Jit Biswas ; Yap, Philip
Author_Institution :
Inst. for Infocomm Res., Singapore
Abstract :
This paper presents a new approach using multimodal information fusion for automated recognition of complex agitation behavior among persons with dementia. In particular, we present a hierarchical information fusion framework to model complex agitation behaviors based on a clinical agitation scale widely used in hospitals. We present the detailed features extraction and selection to represent low level atomic agitation behaviors, classifiers for atomic agitation behavior recognition and inference combiners to detect and rate the onset of complex agitation behaviors in dementia patients using multimodal sensors such as pressure sensors, ultrasound sensors, video cameras, acoustic sensors, etc., in a hospital ward.
Keywords :
feature extraction; inference mechanisms; sensor fusion; acoustic sensors; automated recognition; behavior recognition; complex agitation behavior; complex agitation behaviors; dementia patients; features extraction; inference combiners; multimodal information fusion; pressure sensors; ultrasound sensors; video cameras; Acoustic sensors; Dementia; Feature extraction; Hospitals; Intelligent sensors; Intelligent transportation systems; Multimodal sensors; Sensor fusion; Sensor phenomena and characterization; Surveillance; Agitation; Multimodal information fusion;
Conference_Titel :
Information Fusion, 2007 10th International Conference on
Conference_Location :
Quebec, Que.
Print_ISBN :
978-0-662-45804-3
Electronic_ISBN :
978-0-662-45804-3
DOI :
10.1109/ICIF.2007.4407999