Image processing apparatus with variable smoothing processing

Details Image processing apparatus with variable smoothing processing Image processing apparatus with variable smoothing processing

1992-01-22

1995-04-18

Brinich, Stephen

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358445, 358446, 358447, 358465, 358466, H04N 140

Patent

active

054083362

ABSTRACT:
There is disclosed an image processing apparatus capable of smoothing the image in obtaining a binary image, by eliminating notches through comparison of the input image data with certain notch image patterns stored in the apparatus in advance. In order to maintain an effect of smoothing even when the resolution of the input image data is increased, the image patterns employed for the above-mentioned comparison are varied according to the resolution of the input image data.

REFERENCES:
patent: 4698691 (1987-10-01), Suzuki et al.
patent: 4868684 (1989-09-01), Suzuki
patent: 4878126 (1989-10-01), Ichikawa
patent: 4890121 (1989-12-01), Hirahara et al.
patent: 4924509 (1990-05-01), Yokomizo
patent: 5177623 (1993-01-01), Hirota
patent: 5291309 (1994-03-01), Semasa

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