Model based error diffusion with correction propagation

Details Model based error diffusion with correction propagation Model based error diffusion with correction propagation

1997-10-02

1999-08-31

Popovici, Dov

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358456, 358534, 382252, G06F 1500

Patent

active

059464550

ABSTRACT:
A printing method and apparatus takes into account the errors in the amount of black due to dot shape and size at the pixel where these errors occur, propagates corrections of these errors in order to preserve the logics of error diffusion, and permits a trade-off between completeness of the correction and computational time. The method and apparatus corrects for the actual shape of the printer dots in most error diffusion methods usable in digital halftoning.

REFERENCES:
patent: 5055942 (1991-10-01), Levien
patent: 5150429 (1992-09-01), Miller et al.
patent: 5172247 (1992-12-01), Ghaderi
patent: 5268774 (1993-12-01), Eschbach
patent: 5317653 (1994-05-01), Eschbach et al.
patent: 5325211 (1994-06-01), Eschbach
patent: 5353127 (1994-10-01), Shiau et al.

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