Image processing apparatus including noise elimination circuits

Details Image processing apparatus including noise elimination circuits Image processing apparatus including noise elimination circuits

1994-11-03

1996-07-23

Rogers, Scott A.

Facsimile and static presentation processing

Natural color facsimile

Specific image-processing circuitry

358532, 358448, 358462, H04N 1409, H04N 158

Patent

active

055395414

ABSTRACT:
An image processor in which an input device inputs image data. Image data of a subject pixel is smoothed in accordance with the image data of the subject pixel and peripheral pixels of the subject pixel. A judgment is made relative to the level of the image data of the image data of the subject pixel and the peripheral pixels. The image processor selectively outputs one of the smoothed image data and the image data of the subject pixel, based on the judgment.

REFERENCES:
patent: 5023919 (1991-06-01), Wataya
patent: 5060082 (1991-10-01), Matsumoto et al.
patent: 5339365 (1994-08-01), Kawai

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