Image processing apparatus and its control method

Details Image processing apparatus and its control method Image processing apparatus and its control method

2007-01-30

2007-01-30

Rogers, Scott A. (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003050, C358S003060, C358S003210

Reexamination Certificate

active

10174989

ABSTRACT:
When input N-bit multi-valued image information having density information is converted into M-bit (N≧M) image information and the converted image information is output, information (S signal) indicating whether or not an image conversion process is executed for one line including a pixel of interest of the multi-valued image information is generated on the basis of the multi-valued image information. Only when the S signal indicating that the image conversion process is to be skipped successively appears for a number of times equal to or larger than “the number of lines required for the process”+1, the control is made to forcibly set the processing result of the image conversion process to be a predetermined value, and to inhibit execution of the image conversion process for one line including the pixel of interest of the multi-valued image data.

REFERENCES:
patent: 6891632 (2005-05-01), Schwartz

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