Method for enhancing scan resolution

Details Method for enhancing scan resolution Method for enhancing scan resolution

2001-09-17

2008-12-16

Coles, Edward L. (Department: 2625)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S501000, C358S475000, C382S274000, C382S263000

Reexamination Certificate

active

07466459

ABSTRACT:
A method for enhancing scan resolution, suitable for the application of a scanner with a sensor. The range that a detecting cell in the sensor can detect is the original pixels with a predetermined number. The scanned result of the detecting cell is called the scanned pixels. In the method for enhancing scan resolution, a smooth image region is scanned to obtain a smooth image data. The smooth image region includes at least the above original pixels with the predetermined number. The smooth image region has a uniform brightness. According to the smooth image data, the scanned pixels obtained from scanning the document are processed.

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