Encoding color image data for multipass color printers

Details Encoding color image data for multipass color printers Encoding color image data for multipass color printers

1996-12-17

1999-09-21

Rogers, Scott

Image analysis

Histogram processing

For setting a threshold

382166, 382236, 382238, 358539, H04N 164

Patent

active

059564679

ABSTRACT:
A method for encoding color image data of the type having multiple color planes for a printer that prints the color planes in a given sequence includes the steps of: compressing the image data in the last color plane in the printing sequence and storing the resulting compressed data; using information relating to the image data in the previous color plane(s) to predict the image data in the next color plane to be printed; forming difference image data between the image data in the next color plane to be printed and the predicted image data for that color plane; and compressing the difference image data and storing the resulting compressed data. These steps are repeated until the image data for all of the color planes have been compressed and stored.

REFERENCES:
patent: 4809350 (1989-02-01), Shimoni
patent: 5539842 (1996-07-01), Schwartz
patent: 5663764 (1997-09-01), Kondo et al.
patent: 5761346 (1998-06-01), Moody

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