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Trichromatic Color Analyser
''Trichromatic Color Analyser (TCA)'' is the name of a software package and of a software system. The software package contains tools that offer the possibility to set up flatbed scanners as tristimulus colorimetric devices, having the advantage over commercial colorimeters of measuring color on flexible sized areas (ranging from 0,07 sqmm to 100 sqcm) and of performing a list of colorimetric calculations that exploit this feature. TCA was developed in the Color Research and Multimedia Laboratory of the Department of Imaging and Printing Technologies in the Faculty of Science of Chulalongkorn University and is the first scientific software package ever released by this university.〔(2012), Thailand. AIC (Association International de la Couleur) Annual Report, 25, p31.〕
==History==
Software creation started within development of a method for analyzing, identifying and preserving traditional Thai colors used in Thai mural paintings.〔Preda, R. I., Katemake, P., Pungrassamee, P. and Hoontrakul, D. (2011). Method for identifying, analyzing and preserving colors of Thai Mural Paintings, ICIPT 2011 Conference Proceedings, Bangkok, Thailand pp.15-18.〕 A beta version of the software was presented at the 'Colours in Life' Symposium in Bangkok in January 2012.〔Preda, R. I., Katemake, P. (2012). First final version of the Trichromatic Colour Analyser Software, Colours in Life 2011 Proceedings, Bangkok, Thailand pp.11-14.〕 The color correction methodology of the scanner's output for the software version used in analyzing and identifying the traditional Thai colors has been published in Color Research and Application Journal in the article "Complete Study of Traditional Thai Colors used in Mural Paintings: Traditional Thai Color Name Dictionary".〔Katemake, P. & Preda, R.I. (2014). Complete Study of Traditional Thai Colors Used in Mural Paintings: Traditional Thai Color Name Dictionary. Color Research and Application, 39 (6), pp616-629.〕 A system, containing the TCA software installed on a specially configured computer connected to an Epson GT20000 scanner, was created and later expanded for general use. The system, also called Trichromatic Color Analyser, has been tested in applications such as determining the color of ink written on paper (for forensic laboratories) and optimising the print pressure in offset printing of half-tones on coated and uncoated substrates.〔〔 The system was further adapted for the creation of a novel method for monitoring the developing of browning in fruit and fruit-juice. Its use for automatic monitoring of apple browning for determining optimal inhibitor mixtures was orally presented at the 2nd International Conference on Agriculture and Agro-Industry in 2014.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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