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Importance of extended separation in NIR technology for secure secondary image identification, a survey (CROSBI ID 274306)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Agić, Ana ; Jurečić, Denis ; Agić, Darko ; Pap, Klaudio Importance of extended separation in NIR technology for secure secondary image identification, a survey // Acta graphica, 29 (2018), 2; 19-26. doi: 10.25027/agj2017.28.v29i2.155

Podaci o odgovornosti

Agić, Ana ; Jurečić, Denis ; Agić, Darko ; Pap, Klaudio

engleski

Importance of extended separation in NIR technology for secure secondary image identification, a survey

For separation purposes image information is usually defined as RGB record, what will be converted in CMY, CMYK or some other suitable image processing procedure, for reproduction purposes. Applying specific and dedicated NIR separation we developed, secondary achieved image is hidden and secured. NIR image is based on absorption diversities of used basic inks as well as other inks that should be separated. On that way we achieved optimal instrumental determining of secondary image. Basic postulate for effective CMYKIR separation and double image are twin dyes, theirs imposing and reflection differentiation of inks, that has to be carried out in an extended area. If differentiation is not managed properly, secondary image is not secured, and could appear incorrectly. Present photographic and printing options facilitate responsible and stable adjusting for steady double image recognition. We presented relevant NIR separation and twins principles at prepress/press stages for extended experience, and some considerable implementation of technological and scientific aspects.

CMYKIR separation, NIR image, ink carbon black, adjusted achromatic interchange, dual colors

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Podaci o izdanju

29 (2)

2018.

19-26

objavljeno

0353-4707

1848-3828

10.25027/agj2017.28.v29i2.155

Povezanost rada

Grafička tehnologija

Poveznice