The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 25, 2014

Filed:

May. 03, 2012
Applicants:

Masahiro Watanabe, Kawasaki, JP;

Takao Hirahara, Kawasaki, JP;

Toshiaki Hisada, Tokyo, JP;

Seiryo Sugiura, Tokyo, JP;

Takumi Washio, Tokyo, JP;

Jun-ichi Okada, Tokyo, JP;

Inventors:

Masahiro Watanabe, Kawasaki, JP;

Takao Hirahara, Kawasaki, JP;

Toshiaki Hisada, Tokyo, JP;

Seiryo Sugiura, Tokyo, JP;

Takumi Washio, Tokyo, JP;

Jun-ichi Okada, Tokyo, JP;

Assignees:

Fujitsu Limited, Kawasaki, JP;

The University of Tokyo, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/40 (2006.01); H04N 5/00 (2011.01); H04N 1/60 (2006.01); H04N 1/40 (2006.01); G06T 7/00 (2006.01);
U.S. Cl.
CPC ...
G06T 7/0081 (2013.01); G06T 2207/30004 (2013.01);
Abstract

The disclosed method includes: carrying out scale conversion for a first pixel value of each of a plurality of pixels included in an image to generate a second pixel value of the plurality of pixels; applying a reaction-diffusion equation including a diffusion element and a reaction element that is set according to at least the number of types of regions to be extracted, to the second pixel value of each of plural pixels within a certain region of the image a predetermined number of times to generate a third pixel value of each of the plurality of pixels included in the image; and carrying out scale inverse-conversion that is inverse-conversion of the scale conversion, for the third pixel value of each of the plurality of pixels included in the image to generate a fourth pixel value of the plurality of pixels.


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