Image processing device, image processing method, recorded...

Details Image processing device, image processing method, recorded... Image processing device, image processing method, recorded...

2006-05-16

2006-05-16

Johns, Andrew W. (Department: 2621)

Image analysis

Color image processing

Color correction

C345S600000

Reexamination Certificate

active

07046844

ABSTRACT:
When color converting image data of a first color coordinate system to image data of a second color coordinate system using a color conversion module, the tone values of said second image data are proportionally increased for conversion in a tone value range in which small dots or light dots are formed. Next, second image data is converted to dot volume data relating to the dot forming density for various dots with different tone values expressed per single dot. At this time, the proportional increase part of the tone values of the second image data is corrected, and suitable dot volume data is obtained. If this is done, even in an area where small dots or light dots are formed, it is possible to supplement insufficient resolution of image data during color conversion, and to display images of high image quality.

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