Image data processor and image data processing method

Details Image data processor and image data processing method Image data processor and image data processing method

2007-04-10

2007-04-10

Do, Anh Hong (Department: 2624)

Image analysis

Histogram processing

C382S169000

Reexamination Certificate

active

10656923

ABSTRACT:
Image data of a target pixel and peripheral pixels are stored in a memory. Using a most significant bit extractor circuit, 4 most significant bits of data are extracted from each image data. A histogram circuit generates a histogram of the extracted 4-bit data. Referring to the histogram, a data processor circuit (17) replaces the image data of the target pixel with a maximum value of the numbers of pixels having the same level and outputs the processed data. Then, a digit-complementing circuit converts the data output from the data processor circuit to 8-bit data and outputs the converted data. In this manner, a regular image is converted into an image similar to a draft-design image.

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patent: 6587593 (2003-07-01), Matsuoka et al.
patent: 7077319 (2006-07-01), Schnee et al.
patent: 405293095 (1993-11-01), None
patent: 10-134178 (1998-05-01), None

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