Image processing method and apparatus for detecting...

Details Image processing method and apparatus for detecting... Image processing method and apparatus for detecting...

2006-06-20

2006-06-20

Williams, Kimberly (Department: 2626)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003260, C382S192000, C382S193000, C382S194000, C382S267000, C382S275000

Reexamination Certificate

active

07064865

ABSTRACT:
An image processing method and device includes the steps of detecting a crossing point that has a largest density value among pixels aligned in one direction and a smallest density value among pixels aligned in another direction, the directions being perpendicular to each other; determining a dot area of an image based on a detection of crossing points; and switching image data processing methods based on a result of a determination of a dot area.

REFERENCES:
patent: 5025481 (1991-06-01), Ohuchi
patent: 5446802 (1995-08-01), Tada et al.
patent: 03-141774 (1991-06-01), None
patent: 05-041796 (1993-02-01), None

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