Cited by 445Context-Aware Activity Recognition SystemsHuman Mobility and Location-Based AnalysisIoT-based Smart Home Systems

Learning Setting-Generalized Activity Models for Smart Spaces

Open access
Cook, Diane·2012·IEEE Intelligent Systems

Abstract

The data mining and pervasive computing technologies found in smart homes offer unprecedented opportunities for providing context-aware services, including health monitoring and assistance to individuals experiencing difficulties living independently at home. In order to provide these services, smart environment algorithms need to recognize and track activities that people normally perform as part of their daily routines. However, activity recognition has typically involved gathering and labeling large amounts of data in each setting to learn a model for activities in that setting. We hypothesize that generalized models can be learned for common activities that span multiple environment settings and resident types. We describe our approach to learning these models and demonstrate the approach using eleven CASAS datasets collected in seven environments.

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  • Generative approaches such as naïve Bayes classifiers, Markov models and dynamic Bayes networks have yielded promising results for behavior modeling and offline activity recognition when a large amount of labeled data is available.

    “Generative approaches such as naïve Bayes classifiers, Markov models and dynamic Bayes networks have yielded promising results for behavior modeling and offline activity recognition when a large amount of labeled data is available [33–40].”

    From Forecasting occurrences of activities (2017) · cites this paper as [33]

    The ADL Recognition section identifies naïve Bayes classifiers and Markov models as common activity-recognition approaches, and Abstracting Activity Models reports recognition results using annotated activities. The paper does not discuss dynamic Bayes networks or establish that promising results require a large amount of labeled data; its Conclusions instead emphasize recognition in new settings with little or no training data. Page numbers are unavailable in our copy. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • Discriminative approaches that model the boundary between different activity classes offer an effective alternative.

    “On the other hand, discriminative approaches that model the boundary between different activity classes offer an effective alternative.”

    From Forecasting occurrences of activities (2017) · cites this paper as [33]

    Section 2 (ADL Recognition; page unavailable) presents conditional random fields as an activity-recognition alternative and describes how they assign activity labels. It does not describe discriminative approaches as modeling boundaries between activity classes. Section 3 reports recognition accuracy for the CRF alongside other models, supporting its use as an alternative but not that specific characterization. (LLM, conf=0.78)

    Experimental — accuracy not yet measured

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Research works printed but not linked: 7

  1. [4]Cook D Das S Smart Environments: Technology, Protocols, and Applications 2004 Wiley
  2. [5]Maurer U Smailagic A Siewiorek D Deisher M Activity recognition and monitoring using multiple sensors on different body positions 2004 99 102 Proceedings of the International Workshop on Wearable and Implantable Body Sensor Networks
  3. [6]Munguia-Tapia E Intille SS Larson K Activity recognition in the home using simple and ubiquitous sensors 2004 158 175 Proceedings of Pervasive
  4. [8]Liao L Fox D Kautz H Location-based activity recognition using relational Markov networks 2005 773 778 Proceedings of the International Joint Conference on Artificial Intelligence
  5. [9]Viterbi A Error bounds for convolutional codes and an asymptotically-optimum decoding algorithm IEEE Transactions on Information Theory 1967 13 2 260 269
  6. [10]McCallum A Efficiently inducing features of conditional random fields 2003 403 410 Proceedings of the Conference on Uncertainty in Artificial Intelligence
  7. [12]Yang Q Pan S Zheng V Estimating location using wi-fi IEEE Intelligent Systems 2008 23 1 8 13

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Authors
Cook, D.
Affiliations
Washington State University (US)
Corresponding author
Cook, Diane
Venue
IEEE Intelligent Systems
Published
2012-01
Volume
27
Issue
1
Pages
32-38
ISSN
1541-1672 (ISSN-L)
OpenAlex
W2021361613
Cited by
445
References
4
Citations by year
2026: 10 · 2025: 21 · 2024: 23 · 2023: 33 · 2022: 38 · 2021: 34 · 2020: 41 · 2019: 36 · 2018: 34 · 2017: 31 · 2016: 35 · 2015: 29 · 2014: 42 · 2013: 28 · 2012: 8
FWCI
14.11
Type
journal article
Language
en
Open access
Locations
  • IEEE Intelligent Systems (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Science Foundation
  • National Institute of Biomedical Imaging and Bioengineering (R01EB009675, R01EB015853)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Context-Aware Activity Recognition Systems
  • Social Sciences › Transportation › Human Mobility and Location-Based Analysis
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › IoT-based Smart Home Systems
Keywords
activity recognition, home automation, context-aware services, health monitoring, activity monitoring, CASAS dataset, ubiquitous computing, daily routine

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