Image conversion apparatus, and image conversion program...

Details Image conversion apparatus, and image conversion program... Image conversion apparatus, and image conversion program...

2007-07-03

2007-07-03

Lee, Thomas D. (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003240, C358S504000

Reexamination Certificate

active

10231208

ABSTRACT:
In an image conversion apparatus converts an input image having a process color component and a spot color component, which is represented by density data for colors, into a halftone dot image represented by halftone dot data for colors of process colors, first halftone dot providing means provides the process color component constituting the input image in form of a halftone dot expression using a predetermined halftone dot sort; spot color separating means separates the spot color component constituting the input image into the process colors; second halftone dot providing means provides the spot color component separated into the process colors by said spot color separating means in form of a halftone dot expression using a halftone dot sort different from the halftone dot sort used in said first halftone dot providing means; and halftone dot synthesizing means synthesizes the process color component provided in form of a halftone dot expression obtained in said first halftone dot providing means with the spot color component separated into the process colors and provided in form of a halftone dot expression obtained in said second halftone dot providing means for each color of the process colors.

REFERENCES:
patent: 6226103 (2001-05-01), Klassen et al.
patent: 6575096 (2003-06-01), Caruthers et al.
patent: 6801336 (2004-10-01), Cook et al.
patent: 6993149 (2006-01-01), Brunk et al.
patent: 2004/0032602 (2004-02-01), Teraue
patent: 2004/0190018 (2004-09-01), Marsden et al.

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