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. 01, 2016

Filed:

Mar. 26, 2015
Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventor:

Yuanzhong Li, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06T 7/00 (2006.01); G06K 9/46 (2006.01); G06K 9/34 (2006.01);
U.S. Cl.
CPC ...
G06K 9/4604 (2013.01); G06K 9/34 (2013.01); G06K 9/4638 (2013.01); G06K 9/4642 (2013.01); G06K 9/4647 (2013.01); G06T 7/0012 (2013.01); G06T 7/0081 (2013.01); G06T 7/0093 (2013.01); G06T 2207/10004 (2013.01); G06T 2207/10072 (2013.01); G06T 2207/20072 (2013.01); G06T 2207/20141 (2013.01); G06T 2207/30096 (2013.01);
Abstract

Based on a long diameter of a set specific region, a first region estimated as the specific region and a second region estimated as a background region are set within an input image. Based on a density histogram of each pixel in the first region and a density histogram of each pixel in the second region, a first evaluation value which indicates a likelihood that a density value represents the specific region is calculated for each density value. For each pair of two adjacent pixels within the input image, based on the first evaluation values, a second evaluation value which indicates a likelihood that the two adjacent pixels represent a contour is calculated. Based on the second evaluation value, connection costs between a plurality of nodes respectively representing each pair of the two adjacent pixels are set. The plurality of nodes are connected based on the connection costs.


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