Digital image recording method and apparatus therefor and digita

Details Digital image recording method and apparatus therefor and digita Digital image recording method and apparatus therefor and digita

1996-07-31

1998-08-04

Nguyen, Matthew V.

Facsimile and static presentation processing

Natural color facsimile

Image reproduction

H04N 150

Patent

active

057902801

ABSTRACT:
A digital image recording method is to make high quality positive reproduction images from any types of originals by processing image data of each original based on an image characteristic value such as an average density of a prime subject portion of the original, which is derived from the image data. A basic image recording amount, which is used for every pixel, is determined based on the image characteristic value. Based on the basic image recording amount and a value of image data assigned to a pixel, recording data of that pixel is determined, and the recording data is converted into an image control amount with reference to a look-up table. The image control amount is used in an image recording device for recording the reproduction image.

REFERENCES:
patent: 4769715 (1988-09-01), Feldman et al.
patent: 5200837 (1993-04-01), Sakurai
patent: 5204698 (1993-04-01), LeSueur et al.
patent: 5508826 (1996-04-01), Lloyd et al.
patent: 5680171 (1997-10-01), Lo et al.

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