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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Karakterizacija kolorimetrijskih vrednosti otisaka štampanih goniohromatskim pigmentima / Colorimetric Characterization of Prints Enhanced with Goniochromatic Pigments

Tomić Ivana 25 November 2016 (has links)
<p>U okviru disertacije predloženo je rešenje za određivanje kolorimetrijskih<br />vrednosti otisaka štampanih goniohromatskim pigmentima na osnovu odziva<br />digitalne kamere. Predmet rada predstavljao je razvoj modela karakterizacije<br />kamere prilagođenog za fitovanje više-ugaonih podataka, kao i ispitivanje<br />uticaja parametara predložene metodologije na tačnost procene vrednosti<br />boja kamerom. Razvijeni model, baziran na veštačkim neuronskim mrežama,<br />omogućio je postizanje zadovoljavajuće preciznosti merenja boja, procenu<br />vrednosti boja svih testiranih mernih geometrija na osnovu snimaka u jednom<br />mernom uglu, a pokazao je i visok stepen adaptivnosti na promenu osvetljenja<br />koje se prilikom merenja koristi. Model je optimizovan primenom genetskog<br />algoritma, čime je njegova efikasnost znatno unapređena.</p> / <p>The thesis proposes а solution for colorimetric characterization of prints enhanced<br />with goniochromatic pigments by means of a digital camera. The subject of the<br />research was the development of a camera characterization model adapted to fit<br />multi-angular data and the assessment of the proposed framework parameters<br />impact on the accuracy of camera-based color measurement. The developed<br />model, based on artificial neural networks, enabled accurate color measurement<br />with a satisfactory level of accuracy, estimation of color values of all analyzed<br />measurement geometries on the basis of images obtained in one detection angle,<br />and was proved to be very adaptive to the change of the illuminant used during the<br />measurement. The model was optimized by means of a genetic algorithm, which<br />led to the significant improvement of its efficiency.</p>

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