Bit stealing: how to get 1786 or more gray levels from an 8-bit color monitor

Christopher W. Tyler; Hoover Chan; Lei Liu; Brennan McBride; Leonid L. Kontsevich

doi:10.1117/12.135981

27 August 1992 Bit stealing: how to get 1786 or more gray levels from an 8-bit color monitor

Christopher W. Tyler, Hoover Chan, Lei Liu, Brennan McBride, Leonid L. Kontsevich

Proceedings Volume 1666, Human Vision, Visual Processing, and Digital Display III; (1992) https://doi.org/10.1117/12.135981
Event: SPIE/IS&T 1992 Symposium on Electronic Imaging: Science and Technology, 1992, San Jose, CA, United States

Abstract

The precision of human vision requires displays to be accurate to about 0.2% of the luminance range. We present a technique by which this grey-level precision can be achieved with the use of an 8-bit color monitor. The basic idea is to 'steal' adjacent bits from the color variation for use in increasing the precision of the luminance variation. On a monitor with 8 bits per color gun, the technique can provide 1786 or more grey levels at a cost of one bit of color jitter, with standard D/A hardware. The color variations are invisible under almost all conditions.

Citation Download Citation

Christopher W. Tyler, Hoover Chan, Lei Liu, Brennan McBride, and Leonid L. Kontsevich "Bit stealing: how to get 1786 or more gray levels from an 8-bit color monitor", Proc. SPIE 1666, Human Vision, Visual Processing, and Digital Display III, (27 August 1992); https://doi.org/10.1117/12.135981

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