Image processing with smooth interpolation

Details Image processing with smooth interpolation Image processing with smooth interpolation

1994-10-13

1996-02-06

Brinich, Stephen

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358448, H04N 1393

Patent

active

054899907

ABSTRACT:
An image forming apparatus forms interpolating image data of a plurality of lines subjected to smoothing processing including original image data from the original image data. The apparatus selects and outputs image data of a predetermined number of lines corresponding to a reduction ratio from among the image data of the plurality of lines. A reduced image subjected to smoothing processing with high picture quality without loss of information of original lines is thereby obtained.

REFERENCES:
patent: 3976982 (1976-08-01), Eiselen
patent: 4394693 (1983-07-01), Shirley
patent: 4605957 (1986-07-01), Yamada
patent: 4631751 (1986-12-01), Anderson et al.
patent: 4827353 (1989-05-01), Ehlers et al.
patent: 5097518 (1992-03-01), Scott et al.
patent: 5099327 (1992-03-01), Murakoshi
patent: 5237432 (1993-08-01), Calarco et al.

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