Cameras for Public Health Surveillance: A Methods Protocol for Crowdsourced Annotation of Point-of-Sale Photographs
BackgroundPhotographs are an effective way to collect detailed and objective information about the environment, particularly for public health surveillance. However, accurately and reliably annotating (ie, extracting information from) photographs remains difficult, a critical...
Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
JMIR Publications
2014-04-01
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Series: | JMIR Research Protocols |
Online Access: | http://www.researchprotocols.org/2014/2/e22/ |