2/20/2023 0 Comments Color intensity![]() However, the color analysis of an object using distinct cell-phones and Apps leads to disparate results. ![]() Several mobile-phones applications (Apps) are available to perform a roughly color evaluation of objects, as Catch Color Free (developed by CeSnow), Color Grab (by Loomatix), LifeDropper (by Bitjutsu Software). On that context, mobile-phones could be explored as an important tool for colorimetric analysis. However, in a real world scenario there are several applications demanding color’s evaluation in an imperfect illumination environment, with no available calibrated reference color object. Color evaluations are mainly performed by exploring optical absorption or reflection spectroscopy techniques, which may require expensive devices, controlled illumination and the use of color calibrators. The proposed self-referenced technique can improve and expand the use of mobile-phones in spectroscopic applications.Ĭolorimetric test have been widely used on several application such as industrial control, immunoassays, food industry, water quality evaluation. Moreover, the potential use of the method is demonstrated by evaluating the chemical-adsorption process of Cysteamine molecules on gold nanoparticle surfaces. The capability to distinguish different color shades exploring the proposed self-referenced relative color intensity technique is appraised. The standalone relative color intensity method is evaluated under the use of four distinct mobile-phones and different illumination conditions. In this work, we establish a new approach for spectroscopic evaluation based on cell-phone imaging, with no previous calibration, determining relative color values. To overcome this restriction, the determination of the absolute color of an object can be overlooked and a relative color value determined. ![]() 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. ![]() Mobile-phones have been widely explored on colorimetric evaluations. ![]()
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