Design and investigation of a digital photocolorimeter

Zhbanova, V.L.

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Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Жбанова В.Л. Разработка и исследование цифрового фотоколориметра // Оптический журнал. 2020. Т. 87. № 9. С. 24–32. http://doi.org/10.17586/1023-5086-2020-87-09-24-32

Zhbanova V.L. Design and investigation of a digital photocolorimeter [in Russian] // Opticheskii Zhurnal. 2020. V. 87. № 9. P. 24–32. http://doi.org/10.17586/1023-5086-2020-87-09-24-32

For citation (Journal of Optical Technology):

V. L. Zhbanova, "Design and investigation of a digital photocolorimeter," Journal of Optical Technology. 87(9), 521-526 (2020). https://doi.org/10.1364/JOT.87.000521

Abstract:

In this study, a digital photocolorimeter was developed based on a detector matched with an intrinsic operational color space and a set of optical filters. The color space M0 2N0 2P 0 2 with properties similar to the curves of the CIE XYZ 1931 system was used. Software was developed for processing of black-and-white images to operate the digital colorimeter. The image processing algorithm in the CIE LAB system is explained and the experimental procedure for determining the color coordinates of samples in theM0 2N0 2P 0 2 color space using X1X2Y1Z1 detectors is described herein. The color difference between green, yellow–green, and yellow optical filters was determined for an objective assessment of the quality of the developed system. Subsequently, an analysis of the experimental values was performed, and our system exhibited satisfactory results. The possible applications of the developed photocolorimeter are also proposed. © 2020 https://doi.org/10.1364/JOT.87.000521

Keywords:

colorimeter, digital device, color coordinates, color difference, program, color separation system, photodetector

OCIS codes: 230.0230, 110.0110, 100.0100, 150.0150

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