PhotoMetrix and colorimetric image analysis using smartphones

The steady advances in technology employed in smartphones, coupled with the high availability and the ease access to these devices, increased the interest in applying it to analytical purposes. The main goal is to develop simple, fast, and low‐cost analytical methods, generating immediate results. D...

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Bibliographic Details
Published inJournal of chemometrics Vol. 34; no. 12
Main Authors Böck, Fernanda Carla, Helfer, Gilson Augusto, Costa, Adilson Ben, Dessuy, Morgana Bazzan, Ferrão, Marco Flôres
Format Journal Article
LanguageEnglish
Published Chichester Wiley Subscription Services, Inc 01.12.2020
Subjects
Analytical chemistry
Analytical methods
Cameras
Chemical analysis
Colorimetry
Cost analysis
digital image analysis
Digital imaging
Image acquisition
Image analysis
Mathematical analysis
PhotoMetrix
Photometry
smartphone
Smartphones
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Summary:The steady advances in technology employed in smartphones, coupled with the high availability and the ease access to these devices, increased the interest in applying it to analytical purposes. The main goal is to develop simple, fast, and low‐cost analytical methods, generating immediate results. Different analytical strategies using smartphones have been proposed to identify or determine different analytes in a wide range of matrices. Some of them use the smartphone to capture the images, to process them, and to provide the analytical results. Others use this device just for image acquisition. In this context, this review aimed to relate previous works that used smartphones to acquire images for analytical purposes, with a special focus on PhotoMetrix application, which is a tool for chemical analysis. This application allows the decomposition of digital images acquired by smartphone cameras and to process them within the same device, allowing in situ chemical analysis.
ISSN:0886-9383
1099-128X
DOI:10.1002/cem.3251