Error diffusion filter for DMD display

Details Error diffusion filter for DMD display Error diffusion filter for DMD display

1994-09-30

1997-04-22

Bayerl, Raymond J.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 84, 345 88, 345 89, 345134, 358445, G09G 334, G09G 336

Patent

active

056232810

ABSTRACT:
An improved error diffusion filter for a DMD display (10) includes both an inverse gamma LUT (Look-up Table) (51) and an Error LUT (Look-up Table) (82), both responsive to the raster scan red, green, or blue video data for when the video data calls for an intensity level different from the achievable level of a DMD device. The Error LUT (82) provides an error value for that difference. The error is distributed to neighboring DMD devices.

REFERENCES:
patent: 5298172 (1994-03-01), Gale et al.
patent: 5375002 (1994-12-01), Kim et al.
patent: 5387924 (1995-02-01), Gale, Jr. et al.
patent: 5452024 (1995-09-01), Sampsell

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