Method of displaying continuous tone picture using limited numbe

Details Method of displaying continuous tone picture using limited numbe Method of displaying continuous tone picture using limited numbe

1985-08-26

1988-03-22

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340793, 340703, 358283, G09G 116

Patent

active

047332301

ABSTRACT:
A displayable color which is the nearest to a desired display color (the synthesis of the color of an original image and an error distributed by the preceding processing) for a particular picture element which is being processed on a scan line (or the picture element which is presently the object of processing) is selected, the displayable color is supplied to a display portion, and the error between the selected displayable color and the desired display color is distributed to those picture elements which are on un-processed scan lines among the group of picture elements in the proximity of the particular picture element by assigning a suitable weight thereto. The processing of the particular picture element may be executed in parallel with a plurality of picture elements on the scan line which is being processed.

REFERENCES:
patent: 4245258 (1981-01-01), Holladay
patent: 4516118 (1985-05-01), Wahlquist
patent: 4577235 (1986-03-01), Kannapel et al.
Survey of Techniques for the Display of Continuous Tone Pictures on Bilevel Displays; Jarvis et al; Computer Graphics & Image Processing 5, 13-40 (1976).
An Adaptive Algorithm for Spatial Grey Scale; Floyd et al, SID 75 Digest, pp. 36-37.

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