Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/23021
Title: Evaluation of the crispening effect using CRT-displayed colour samples
Authors: Xin, JH 
Lam, CC
Luo, MR
Keywords: Background
Colour difference formulae
Crispening effect
Visual colour assessment
Issue Date: 2004
Publisher: John Wiley & Sons
Source: Color research & applications, 2004, v. 29, no. 5, p. 374-380 How to cite?
Journal: Color research & applications 
Abstract: In this study, the crispening effect was clearly observed when 38 neutral-coloured sample pairs with only lightness differences were assessed under 5 neutral backgrounds of different lightness values. The sample pairs are CRT-based colours, and they are selected along the CIELAB L* axis from 0 to 100. The magnitude of colour difference of each pair is 5.0 CIELAB units. The visual assessment results showed that there is a very large crispening effect. The colour differences of the same pair assessed under different backgrounds could differ by a factor of up to 8 for a sample pair with low lightness. The perceived colour difference was enlarged when the lightness of a sample pair was similar to that of the background. The extent of crispening effect and its quantification are discussed in this investigation. The performances of five colour-difference equations were also tested, including the newly developed CIEDE2000.
URI: http://hdl.handle.net/10397/23021
ISSN: 0361-2317
DOI: 10.1002/col.20045
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