Display control unit and display control method

Details Display control unit and display control method Display control unit and display control method

1993-05-14

1996-12-17

Tung, Kee M.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

382309, G09G 106

Patent

active

055858180

ABSTRACT:
The present invention provides display control unit and method for binarizing data of an image to binary data by an error spared method while taking error data generated in binarizing previous images into consideration, and spreads error data generated in binarizing the current image to subsequent images to preserve a density of the input data and prevent moire and lumbrical noise, and provides a display control unit and method which spreads a binarizing error generated in binarizing an image to images to be subsequently binarized to preserve a density so that a high quality image having a high tonality and a high resolution is produced.

REFERENCES:
patent: 5119084 (1992-06-01), Kawamura et al.
patent: 5243443 (1993-09-01), Eschbach
patent: 5254982 (1993-10-01), Feigenblatt et al.
patent: 5325448 (1994-06-01), Katayama et al.
"Halftoning Method for Mosaic Color Displays Using Error Diffusion", IBM Technical Disclosure Bulletin, vol. 32, No. 5A, pp. 194-197 (Oct. 1989).

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