Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2007-07-17
2007-07-17
Luu, Matthew (Department: 2861)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S001200, C358S502000, C347S015000
Reexamination Certificate
active
11109752
ABSTRACT:
An image forming apparatus is disclosed in which a quantization is effected for a halftone color image decomposed into pixels, in which a comparison is made, for respective separate color-components of each pixel, between a tone level of each pixel and a threshold value, and in which the tone level of each pixel is quantized to produce a discrete value having n levels. With a neighboring pixel of the subject pixel containing a first color-component, and with the subject pixel containing a second color-component, a relationship between the tone level of the second color-component of the subject pixel and the threshold value is compensated, such that, as the tone level of the first color-component of the neighboring pixel increases, a probability of occurrence of a second color-component ink dot formed at the subject pixel and/or a volume of an ink used for the same dot at the subject pixel, decreases.
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Brother Kogyo Kabushiki Kaisha
Luu Matthew
Seo Justin
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