IMAGE DATA GENERATION DEVICE, IMAGE RECORDING DEVICE, AND IMAGE DATA GENERATION METHOD

The generation of dot data of planes depending on a plurality of scannings and ink colors in an ink jet printing apparatus is performed based on the error diffusion processing for each plane without causing a problem of grain. Specifically, in a binarization processing, C divided data D8c/2 is subje...

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Bibliographic Details
Main Author MARUMOTO, Yoshitomo
Format Patent
LanguageEnglish
French
German
Published 06.12.2017
Subjects
CALCULATING
COMPUTING
CORRECTION OF TYPOGRAPHICAL ERRORS
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
HANDLING RECORD CARRIERS
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
LINING MACHINES
PERFORMING OPERATIONS
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
PRESENTATION OF DATA
PRINTING
RECOGNITION OF DATA
RECORD CARRIERS
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:The generation of dot data of planes depending on a plurality of scannings and ink colors in an ink jet printing apparatus is performed based on the error diffusion processing for each plane without causing a problem of grain. Specifically, in a binarization processing, C divided data D8c/2 is subjected to an error diffusion processing to calculate binary (dot) data D2c1 for the first pass of C. Next, M divided data D8m/2 is compensated by being added with a term of Kc1m1(D8c/2-D2c1). Then, this compensated data [D8m/2+Kc1m1(D8c/2-D2c1)] is subjected to an error diffusion processing to calculate dot data D2ml for the first pass of M. In this manner, the generation of the respective planes performs correction to reflect the results of the binarization processing of the respective previously processed planes to subject the compensated data to an error diffusion processing.
Bibliography:Application Number: EP20070806148