Proof of concept study: Testing human volatile organic compounds as tools for age classification of films.

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dc.contributor.author Stönner, C en
dc.contributor.author Edtbauer, A en
dc.contributor.author Derstroff, B en
dc.contributor.author Bourtsoukidis, E en
dc.contributor.author Klüpfel, T en
dc.contributor.author Wicker, Joerg en
dc.contributor.author Williams, J en
dc.date.accessioned 2019-03-07T20:38:17Z en
dc.date.issued 2018-01 en
dc.identifier.citation PloS one 13(10):e0203044 Jan 2018 en
dc.identifier.issn 1932-6203 en
dc.identifier.uri http://hdl.handle.net/2292/45814 en
dc.description.abstract Humans emit numerous volatile organic compounds (VOCs) through breath and skin. The nature and rate of these emissions are affected by various factors including emotional state. Previous measurements of VOCs and CO2 in a cinema have shown that certain chemicals are reproducibly emitted by audiences reacting to events in a particular film. Using data from films with various age classifications, we have studied the relationship between the emission of multiple VOCs and CO2 and the age classifier (0, 6, 12, and 16) with a view to developing a new chemically based and objective film classification method. We apply a random forest model built with time independent features extracted from the time series of every measured compound, and test predictive capability on subsets of all data. It was found that most compounds were not able to predict all age classifiers reliably, likely reflecting the fact that current classification is based on perceived sensibilities to many factors (e.g. incidences of violence, sex, antisocial behaviour, drug use, and bad language) rather than the visceral biological responses expressed in the data. However, promising results were found for isoprene which reliably predicted 0, 6 and 12 age classifiers for a variety of film genres and audience age groups. Therefore, isoprene emission per person might in future be a valuable aid to national classification boards, or even offer an alternative, objective, metric for rating films based on the reactions of large groups of people. en
dc.format.medium Electronic-eCollection en
dc.language eng en
dc.relation.ispartofseries PloS one en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.rights.uri https://creativecommons.org/licenses/by/4.0/ en
dc.subject Skin en
dc.subject Humans en
dc.subject Carbon Dioxide en
dc.subject Butadienes en
dc.subject Hemiterpenes en
dc.subject Air Pollution, Indoor en
dc.subject Respiration en
dc.subject Motion Pictures en
dc.subject History, 20th Century en
dc.subject History, 21st Century en
dc.subject Volatile Organic Compounds en
dc.title Proof of concept study: Testing human volatile organic compounds as tools for age classification of films. en
dc.type Journal Article en
dc.identifier.doi 10.1371/journal.pone.0203044 en
pubs.issue 10 en
pubs.begin-page e0203044 en
pubs.volume 13 en
dc.rights.holder Copyright: The authors en
pubs.publication-status Published en
dc.rights.accessrights http://purl.org/eprint/accessRights/OpenAccess en
pubs.subtype Historical Article en
pubs.subtype research-article en
pubs.subtype Journal Article en
pubs.elements-id 754997 en
pubs.org-id Science en
pubs.org-id School of Computer Science en
dc.identifier.eissn 1932-6203 en
pubs.record-created-at-source-date 2018-10-12 en
pubs.dimensions-id 30307954 en


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