Image scaling processing device and image scaling processing met

Details Image scaling processing device and image scaling processing met Image scaling processing device and image scaling processing met

1998-03-13

1999-12-14

Couso, Yon J.

Image analysis

Image transformation or preprocessing

Changing the image coordinates

358462, G06K 932

Patent

active

060028114

ABSTRACT:
The image scaling processing device distinguishes whether an original image data is a character image or a half-tone image per a pixel unit in the image domain separating portion and scales each image in the character scaling processing portion and the half-tone scaling processing portion. In order to get a desired scale factor L times image data, the character scaling processing is performed by the first scaling processing for enlarging an image data by 2.sup.n times (n is an integer, L<2.sup.n) in each sub scanning direction and main scanning direction and by the second scaling processing for reducing by L/2.sup.n times the image data enlarged by 2.sup.n times and the half-tone scaling processing is made by the first scaling processing for enlarging an image data by 2.sup.n times (n is an integer, L>2.sup.n) in each sub scanning direction and main scanning direction and by the second scaling processing for enlarging by L/2.sup.n times the image data enlarged by 2.sup.n times.

REFERENCES:
patent: 5274474 (1993-12-01), Medina
patent: 5337167 (1994-08-01), Hiratsuka et al.
patent: 5369507 (1994-11-01), Tanaka et al.
patent: 5832141 (1998-11-01), Ishida et al.
Copy of an English Language Abstract, which was published on Jun. 10, 1994 of 6-164896.
Copy of an English Language Abstract, which was published on Sep. 9, 1994 of 6-253140.

Affiliated with

Also associated with

Rating

Image scaling processing device and image scaling processing met does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Image scaling processing device and image scaling processing met, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image scaling processing device and image scaling processing met will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-871054