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Spat Vis. 1997;10(4):369-77.

Colour bit-stealing to enhance the luminance resolution of digital displays on a single pixel basis.

Author information

1
Smith-Kettlewell Eye Research Institute, San Francisco, CA 94115, USA. cwt@shivs.ski.org

Abstract

A look-up table algorithm is described for enhancing the luminance resolution at the expense of the colour resolution in digital displays of colour images. For colour displays with a look-up table resolution of 8 bits/gun, the algorithm provides a luminance resolution of 11-12 bits without loss of spatial or temporal resolution. This improvement can reduce the minimum luminance step in the mid-luminance range from 1.5% to > 0.2% with no additional hardware.

PMID:
9176946
[Indexed for MEDLINE]

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