Apparatus and method for converting image size and recording med

Details Apparatus and method for converting image size and recording med Apparatus and method for converting image size and recording med

1998-04-10

2000-07-18

Popovici, Dov

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 118, G06F 1500

Patent

active

060915137

ABSTRACT:
A process discriminating unit allows an optimum converting process among a first magnification processing unit, a second magnification processing unit, a first reduction processing unit, a second reduction processing unit, and a third reduction processing unit to be executed on the basis of a conversion magnification (K), a resolution (D), and an image size. Particularly, each of the second magnification processing unit, first reduction processing unit, and second reduction processing unit magnifies an original image to a virtual image of a dot size obtained by magnifying a target image by 2 or 4 by an interpolation based on a simple repetition by a nearest neighborhood method and, after that, reduces to the target image in which the pixel value is obtained by averaging a plurality of pixels corresponding to one target pixel of the virtual image.

REFERENCES:
patent: 4841377 (1989-06-01), Hiratsuka et al.
patent: 5724153 (1998-03-01), Kotani et al.
patent: 5870174 (1999-02-01), Iwasa et al.
patent: 5903317 (1999-07-01), Sharir et al.
patent: 5907640 (1999-05-01), Delean
patent: 5930007 (1999-07-01), Kojima

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