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

Author: Tyler, Christopher W.¹

Source: Spatial Vision, Volume 10, Number 4, 1997 , pp. 369-377(9)

Publisher: VSP, an imprint of Brill

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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.

Document Type: Research article

DOI: 10.1163/156856897X00294

Affiliations: 1: Smith-Kettlewell Eye Research Institute, 2232 Webster St., San Francisco, CA 94115, USA

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