Naslov
The intensity of the background visual effect of crispening depending on background lightness

Autori
Hajdek, Krunoslav ; Budimir, Ivan ; Mrvac, Nikola

Izvornik
Tehnički vjesnik : znanstveno-stručni časopis tehničkih fakulteta Sveučilišta u Osijeku (1330-3651) 24 (2017), 5; 1571-1578

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, prethodno priopćenje, znanstveni

Ključne riječi
achromatic reproduction ; ANOVA ; crispening ; psychophysics

Sažetak
The paper presents the results of a research of the background visual effect of crispening depending on background lightness. An research on graphic reproductions with specifically designed solutions that involve the mentioned effect was conducted. Reproductions were designed through the variations of four different types of background lightness of 25%, 50%, 75% and 100% RTV (secondary stimuli), on which there are internal rectangles of lightness of 45%, 50% and 55% RTV (primary stimuli). The visual experiment was carried out through the use of the technique of simultaneous binocular harmonization with a 10 respondents. The ANOVA with repeated measures revealed statistically differences between the arithmetic means of variations in lightness for four variations of the background in all three primary stimuli. Further post-hoc analysis by Fisher identified the groups that mutually differ. The results indicate the regularities to which the effect of crispening is subjected in the selected graphic medium.

Izvorni jezik
Engleski

Znanstvena područja
Grafička tehnologija, Informacijske i komunikacijske znanosti

POVEZANOST RADA