Summarising contextual activity and detecting unusual inactivity in a supportive home environment

  title={Summarising contextual activity and detecting unusual inactivity in a supportive home environment},
  author={Stephen J. Mckenna and Hammadi Nait-Charif},
  journal={Pattern Analysis and Applications},
Interpretation of human activity and the detection of associated events are eased if appropriate models of context are available. A method is presented for automatically learning a context-specific spatial model in terms of semantic regions, specifically inactivity zones and entry zones. Maximium a posteriori estimation of Gaussian mixtures is used in conjunction with minumum description length for selection of the number of mixture components. Learning is performed using expectation… CONTINUE READING
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Publications referenced by this paper.
Showing 1-10 of 57 references

Assisted interactive dwelling house: Edinvar housing association smart technology demonstrator and Summarising Contextual Activity and Detecting Unusual Inactivity

  • S. Bonner
  • Accepted for publication,
  • 2005
2 Excerpts

Ubiquitous stereo vision for controlling safety on platforms in railroad stations

  • I. Yoda, D. Hosotani, K. Sakaue
  • In Asian Conference on Computer Vision,
  • 2004
1 Excerpt

Using drama for requirements gathering: a case study on advanced sensors in supportive environments for the elderly

  • S. J. McKenna, F. Marquis-Faulkes, A. F. Newell, P. Gregor
  • International Journal of Human-Computer Studies,
  • 2004
1 Excerpt

Gathering the requirements for a fall monitor using drama and video with older people

  • F. Marquis-Faulkes, S. J. McKenna, P. Gregor, A. F. Newell
  • Technology and Disability,
  • 2003
1 Excerpt

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