직/편성물 염색

Effect of sleeve colour and background colour on change in colour assessments

  • 출판일2001.09
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 293
The two standard grey scales, ISO 105-A02 and ISO 105-A03, used for assessing change in colour and staining, respectively, are both typically provided mounted in black material and within a black sleeve. However, some grey scales are now provided mounted in grey material and within a grey sleeve. This paper reports psychophysical data and shows that the change in colour grades obtained from grey scales are not affected by the background colour of the viewing cabinet. A small, but statistically significant, effect is found for the colour of the sleeve with higher grades being found when using the black sleeve compared to when using the grey sleeve. However, when the samples being assessed are masked by a sleeve of the same colour as that used with the grey scale, an extensive field trial shows that the colour of the sleeve does not affect the change in colour grades obtained under commercial conditions.
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