Self-Referencing Method for Relative Color Intensity Analysis Using Mobile-Phone

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DOI: 10.4236/opj.2018.87022    1,111 Downloads   2,582 Views  Citations

ABSTRACT

Mobile-phones have been widely explored on colorimetric evaluations. However, their use with different built-in image systems and acquisition configuration, in an environment with non-controlled illumination, limits the establishment of an accurate color analysis. To overcome this restriction, the determination of the absolute color of an object can be overlooked and a relative color value determined. In this work, we establish a new approach for spectroscopic evaluation based on cell-phone imaging, with no previous calibration, determining relative color values. The standalone relative color intensity method is evaluated under the use of four distinct mobile-phones and different illumination conditions. The capability to distinguish different color shades exploring the proposed self-referenced relative color intensity technique is appraised. Moreover, the potential use of the method is demonstrated by evaluating the chemical-adsorption process of Cysteamine molecules on gold nanoparticle surfaces. The proposed self-referenced technique can improve and expand the use of mobile-phones in spectroscopic applications.

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Souza, W. , de Oliveira, M. , de Oliveira, G. , de Santana, D. and de Araujo, R. (2018) Self-Referencing Method for Relative Color Intensity Analysis Using Mobile-Phone. Optics and Photonics Journal, 8, 264-275. doi: 10.4236/opj.2018.87022.

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