Learning to recognise behaviours of persons with dementia using multiple cues in an HMM-based approach

Peters C, Wachsmuth S, Hoey J (2009)
In: Proceedings of the 2nd International Conference on Pervasive Technologies Related to Assistive Environments. ACM International Conference Proceeding Series. New York, NY, USA: ACM: 1-8.

Konferenzbeitrag | Veröffentlicht | Englisch
 
Download
Campus/VPN paper_petra09_pre.pdf
Abstract / Bemerkung
This paper presents a learning technique for visual event recognition in a system that assists persons with dementia during handwashing. The challenge is that persons with dementia present a wide variety of behaviors during a single task, typically changing their behaviours drastically from day to day. Any attempt at modeling this variety requires a large set of features, image regions, and temporal dynamics. In this paper, we approach this challenge by supervised learning of generative models from manually segmented and labelled video sequences. Our method uses a generic set of appearance-based colour, motion and texture features, over a static set of regions. We then present two HMM architectures that incorporate multiple image regions by either fusing on a feature-level, or later in the recognition process using a mixture-of-experts approach, in which a gating HMM is applied for the dynamic selection between specialised expert HMMs. Our models are trained on a clinical database of videos, and we compare the HMM approaches with a nearest neighbours scheme. Our results confirm the challenge we present, and indicate that our generative modelling techniques are suitable for inclusion in future prototypes of the hand washing assistant.
Stichworte
supervised learning; HMM; AmI; task assistance; event recognition
Erscheinungsjahr
2009
Titel des Konferenzbandes
Proceedings of the 2nd International Conference on Pervasive Technologies Related to Assistive Environments
Seite(n)
1-8
Konferenz
Int. Conf. on Pervasive Technologies Related to Assistive Environments (PETRA)
Konferenzort
Corfu, Greece
Konferenzdatum
2009-06-10
ISBN
978-1-60558-409-6
Page URI
https://pub.uni-bielefeld.de/record/1925406

Zitieren

Peters C, Wachsmuth S, Hoey J. Learning to recognise behaviours of persons with dementia using multiple cues in an HMM-based approach. In: Proceedings of the 2nd International Conference on Pervasive Technologies Related to Assistive Environments. ACM International Conference Proceeding Series. New York, NY, USA: ACM; 2009: 1-8.
Peters, C., Wachsmuth, S., & Hoey, J. (2009). Learning to recognise behaviours of persons with dementia using multiple cues in an HMM-based approach. Proceedings of the 2nd International Conference on Pervasive Technologies Related to Assistive Environments, ACM International Conference Proceeding Series, 1-8. New York, NY, USA: ACM. doi:10.1145/1579114.1579179
Peters, C., Wachsmuth, S., and Hoey, J. (2009). “Learning to recognise behaviours of persons with dementia using multiple cues in an HMM-based approach” in Proceedings of the 2nd International Conference on Pervasive Technologies Related to Assistive Environments ACM International Conference Proceeding Series (New York, NY, USA: ACM), 1-8.
Peters, C., Wachsmuth, S., & Hoey, J., 2009. Learning to recognise behaviours of persons with dementia using multiple cues in an HMM-based approach. In Proceedings of the 2nd International Conference on Pervasive Technologies Related to Assistive Environments. ACM International Conference Proceeding Series. New York, NY, USA: ACM, pp. 1-8.
C. Peters, S. Wachsmuth, and J. Hoey, “Learning to recognise behaviours of persons with dementia using multiple cues in an HMM-based approach”, Proceedings of the 2nd International Conference on Pervasive Technologies Related to Assistive Environments, ACM International Conference Proceeding Series, New York, NY, USA: ACM, 2009, pp.1-8.
Peters, C., Wachsmuth, S., Hoey, J.: Learning to recognise behaviours of persons with dementia using multiple cues in an HMM-based approach. Proceedings of the 2nd International Conference on Pervasive Technologies Related to Assistive Environments. ACM International Conference Proceeding Series. p. 1-8. ACM, New York, NY, USA (2009).
Peters, Christian, Wachsmuth, Sven, and Hoey, Jesse. “Learning to recognise behaviours of persons with dementia using multiple cues in an HMM-based approach”. Proceedings of the 2nd International Conference on Pervasive Technologies Related to Assistive Environments. New York, NY, USA: ACM, 2009. ACM International Conference Proceeding Series. 1-8.
Volltext(e)
Name
paper_petra09_pre.pdf
Access Level
Campus/VPN UniBi Only
Zuletzt Hochgeladen
2019-09-06T08:57:12Z
MD5 Prüfsumme
9d06dcb2271217f69bf0751f89603805

Export

Markieren/ Markierung löschen
Markierte Publikationen

Open Data PUB

Suchen in

Google Scholar
ISBN Suche