Image processing apparatus and method thereof

Details Image processing apparatus and method thereof Image processing apparatus and method thereof

1993-04-26

1996-09-10

Wong, Peter S.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358450, H04N 1387

Patent

active

055550932

ABSTRACT:
Input image data and a generated background image pattern are input into a selection circuit. A determination circuit determines whether the image data exceeds a predetermined threshold value, and outputs a determination signal to the selection circuit. If the determination signal indicates that the image data exceeds the threshold value, the selection circuit selects the input image data. If the determination signal indicates that the image data does not exceed the threshold value, the selection circuit selects the background image pattern, thereby replacing areas of the image data which do not exceed the threshold value with the background image pattern.

REFERENCES:
patent: 4639791 (1987-01-01), Masaki
patent: 4682190 (1987-07-01), Ikeda
patent: 4769695 (1988-09-01), Terashita
patent: 5021876 (1991-06-01), Kurita et al.
patent: 5257119 (1993-10-01), Funada et al.
patent: 5289296 (1994-02-01), Yamada
patent: 5311336 (1994-05-01), Kurita et al.
patent: 5333213 (1994-07-01), Koyama et al.

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