Probabilistic Analysis of Abnormal Behaviour Detection in Activities of Daily Living

Matias Garcia-Constantino, Alexandros Konios, Idongesit Ekerete, Stavros Christopoulos, Colin Shewell, CD Nugent, Gareth Morrison

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents a probabilistic approach for the identification of abnormal behaviour in Activities of Daily Living (ADLs) from sensor data collected from 30 participants. The ADLs considered are: (i) preparing and drinking tea, and (ii) preparing and drinking coffee. Abnormal behaviour identified in the context of these activities can be an indicator of a progressive health problem or the occurrence of a hazardous incident. The approach presented considers the temporal aspect of the sequences of actions that are part of each ADL and that vary between participants. The average and standard deviation for the durations of each action were calculated to define an average time and a range in which a behaviour could be considered as normal for each stage and activity. The Cumulative Distribution Function (CDF) was used to obtain the probabilities of abnormal behaviours related to the early and late completion of activities and stages within an activity. The data analysis show that CDF can provide accurate and reliable results regarding the presence of abnormal behaviour in stages and activities that last over a minute. Finally, this approach could be used to train machine learning algorithms for the abnormal behaviour detection.

LanguageEnglish
Title of host publication2019 IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2019
Pages461-466
Number of pages6
ISBN (Electronic)9781538691519
DOIs
Publication statusPublished - 1 Mar 2019
Event2019 IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2019: PerCom Pervasive Computing 2019 - Kyoto, Japan
Duration: 11 Mar 201915 Mar 2019
http://www.percom.org/Previous/ST2019/home.html

Conference

Conference2019 IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2019
Abbreviated titlePerCom 2019
CountryJapan
CityKyoto
Period11/03/1915/03/19
Internet address

Fingerprint

Distribution functions
Coffee
Medical problems
Learning algorithms
Learning systems
Sensors
Activities of daily living
Tea
Drinking
Distribution function

Keywords

  • ADLs
  • Activities of Daily Living
  • CDF
  • Cumulative Distribution Function
  • Probabilistic Analysis

Cite this

Garcia-Constantino, M., Konios, A., Ekerete, I., Christopoulos, S., Shewell, C., Nugent, CD., & Morrison, G. (2019). Probabilistic Analysis of Abnormal Behaviour Detection in Activities of Daily Living. In 2019 IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2019 (pp. 461-466). [8730682] https://doi.org/10.1109/PERCOMW.2019.8730682
Garcia-Constantino, Matias ; Konios, Alexandros ; Ekerete, Idongesit ; Christopoulos, Stavros ; Shewell, Colin ; Nugent, CD ; Morrison, Gareth. / Probabilistic Analysis of Abnormal Behaviour Detection in Activities of Daily Living. 2019 IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2019. 2019. pp. 461-466
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Garcia-Constantino, M, Konios, A, Ekerete, I, Christopoulos, S, Shewell, C, Nugent, CD & Morrison, G 2019, Probabilistic Analysis of Abnormal Behaviour Detection in Activities of Daily Living. in 2019 IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2019., 8730682, pp. 461-466, 2019 IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2019, Kyoto, Japan, 11/03/19. https://doi.org/10.1109/PERCOMW.2019.8730682

Probabilistic Analysis of Abnormal Behaviour Detection in Activities of Daily Living. / Garcia-Constantino, Matias; Konios, Alexandros; Ekerete, Idongesit; Christopoulos, Stavros; Shewell, Colin; Nugent, CD; Morrison, Gareth.

2019 IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2019. 2019. p. 461-466 8730682.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - This paper presents a probabilistic approach for the identification of abnormal behaviour in Activities of Daily Living (ADLs) from sensor data collected from 30 participants. The ADLs considered are: (i) preparing and drinking tea, and (ii) preparing and drinking coffee. Abnormal behaviour identified in the context of these activities can be an indicator of a progressive health problem or the occurrence of a hazardous incident. The approach presented considers the temporal aspect of the sequences of actions that are part of each ADL and that vary between participants. The average and standard deviation for the durations of each action were calculated to define an average time and a range in which a behaviour could be considered as normal for each stage and activity. The Cumulative Distribution Function (CDF) was used to obtain the probabilities of abnormal behaviours related to the early and late completion of activities and stages within an activity. The data analysis show that CDF can provide accurate and reliable results regarding the presence of abnormal behaviour in stages and activities that last over a minute. Finally, this approach could be used to train machine learning algorithms for the abnormal behaviour detection.

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Garcia-Constantino M, Konios A, Ekerete I, Christopoulos S, Shewell C, Nugent CD et al. Probabilistic Analysis of Abnormal Behaviour Detection in Activities of Daily Living. In 2019 IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2019. 2019. p. 461-466. 8730682 https://doi.org/10.1109/PERCOMW.2019.8730682