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A pilot study of online non-invasive measuring technology based on video magnification to determine skin temperature
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2017 (English)In: Building and Environment, ISSN 0360-1323, E-ISSN 1873-684X, Vol. 121, 1-10 p.Article in journal (Refereed) Published
Abstract [en]

Much attention was paid on human centered design strategies for environmental control systems of indoor built environments. The goal is to achieve thermally comfortable, healthy and safe working or living environments in energy efficient manners. Normally building Heating, Ventilation and Air Conditioning (HVAC) systems have fixed operating settings, which can't satisfy human thermal comfort requirements under transient and non-uniform indoor thermal environments. Therefore, human thermal physiology signal such as skin temperature, which can reflect human body thermal sensation, has to be measured over time. Several trials have been performed by minimizing measuring sensors such as i-Button and mounting measuring sensors into wearable devices such as glasses. Infrared thermography technology has also been tried to achieve non-invasive measurements. However, it would be much more convenient and feasible if normal computer camera could record images, which could be used to obtain human thermal physiology signals. In this study, skin temperature of hand back, which has a high density of blood vessels and is normally not covered by clothing, was measured by i-button sensors. Images recorded by normal camera were amplified to analyzing skin temperature variation, which are impossible to see with naked eyes. The agreement between i-button sensor measuring results and image magnification results demonstrated the possibility of non-invasive measuring technology by image magnification. Partly personalized saturation-temperature model (T = 96.5 × S + bi) can be used to predict skin temperatures for young East Asia females.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 121, 1-10 p.
Keyword [en]
Online non-invasive measurement, Skin temperature, Thermal sensation, Video magnification
National Category
Other Engineering and Technologies
Identifiers
URN: urn:nbn:se:kth:diva-209507DOI: 10.1016/j.buildenv.2017.05.021ISI: 000404314700001Scopus ID: 2-s2.0-85019242453OAI: oai:DiVA.org:kth-209507DiVA: diva2:1112587
Note

QC 20170620

Available from: 2017-06-20 Created: 2017-06-20 Last updated: 2017-07-11Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
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  • nn-NB
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  • Other locale
More languages
Output format
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  • text
  • asciidoc
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