Sökning: onr:"swepub:oai:DiVA.org:liu-189566" > Angular dependent r...
Fältnamn | Indikatorer | Metadata |
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000 | 03380naa a2200361 4500 | |
001 | oai:DiVA.org:liu-189566 | |
003 | SwePub | |
008 | 221026s2022 | |||||||||||000 ||eng| | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1895662 URI |
040 | a (SwePub)liu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a vet2 swepub-contenttype |
072 | 7 | a kon2 swepub-publicationtype |
100 | 1 | a Pranovich, Alina,d 1993-u Linköpings universitet,Medie- och Informationsteknik,Tekniska fakulteten4 aut0 (Swepub:liu)alipr65 |
245 | 1 0 | a Angular dependent reflectance spectroscopy of RGBW pigments |
264 | 1 | c 2022 |
338 | a print2 rdacarrier | |
520 | a Traditional printing relies primarily on subtractive color mixing techniques. In this case, optical color mixing is achieved by one of the established halftoning methods that use Cyan, Magenta, Yellow and Black (CMYK) primaries on a reflective white substrate. The reason behind the subtractive color mixing in printing is the high absorbance of available pigments used in inks. A new type of mica-based pigments that exhibit high reflectivity at Red, Green, Blue and White (RGBW) spectral bands was recently introduced by Merck (SpectravalTM). Printing with RGBW primaries on black background allows additive color mixing in prints. While offering excellent color depth, the reflected spectra of such pigments vary with the angles of incidence and observation. As a result, new approaches in modelling the appearance of prints as well as strategies for color separation and halftoning are needed. The prior optical characterization of the reflective inks is an essential first step. For this purpose, we have used SpectravalTM pigments to prepare acrylic based inks, which we applied on glass slides by screen printing. In this work, we measured the relative spectral bidirectional reflection distribution of Red, Green, Blue and White reflective inks. The measurements were conducted on an experimental set up consisting of a goniometer, spectrometer, and a xenon light source. Based on the measurements, we simulate the reflectance spectra under diffuse illumination and demonstrate ratios of red, green, and blue spectral components for different observation angles of individual inks and their combinations. | |
650 | 7 | a TEKNIK OCH TEKNOLOGIERx Annan teknikx Mediateknik0 (SwePub)211022 hsv//swe |
650 | 7 | a ENGINEERING AND TECHNOLOGYx Other Engineering and Technologiesx Media Engineering0 (SwePub)211022 hsv//eng |
653 | a RGB printing | |
653 | a BRDF | |
653 | a spectroscopy | |
653 | a special effect inks | |
700 | 1 | a Trujillo Vazquez, Abigailu University of the West of England, United Kingdom4 aut |
700 | 1 | a Nyström, Daniel,d 1974-u Linköpings universitet,Medie- och Informationsteknik,Tekniska fakulteten4 aut0 (Swepub:liu)danny19 |
700 | 1 | a Valyukh, Sergiy,d 1971-u Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten4 aut0 (Swepub:liu)serva66 |
700 | 1 | a Frisvad, Jeppe Revallu Technical University of Denmark, Denmark4 aut |
700 | 1 | a Klein, Susanneu University of the West of England, United Kingdom4 aut |
700 | 1 | a Parraman, Carinnau University of the West of England, United Kingdom4 aut |
710 | 2 | a Linköpings universitetb Medie- och Informationsteknik4 org |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-189566 |
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