Method and device for smoothing an enlarged image

Details Method and device for smoothing an enlarged image Method and device for smoothing an enlarged image

1993-05-06

1997-07-15

Boudreau, Leo

Image analysis

Image transformation or preprocessing

Changing the image coordinates

382257, 382369, G06K 932

Patent

active

056490348

ABSTRACT:
In the enlarged image smoothing method and device, an original enlarged image obtained by enlarging an original image m times (m is an integral number which satisfies the condition that m.gtoreq.2) in main and sub scanning directions is input, a first image is generated by moving the original enlarged image in a first direction, a second image is generated by moving the original enlarged image in a second direction opposite to the first direction, an AND operation is performed between the first image and second image, and an OR operation is performed between an image resulting from the AND operation and the original enlarged image, whereby the original enlarged image is smoothed.

REFERENCES:
patent: 3878536 (1975-04-01), Gilliam
patent: 4129860 (1978-12-01), Yonezawa et al.
patent: 4712102 (1987-12-01), Troupes et al.

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