Title:
画像処理装置、画像処理方法および画像処理プログラム
Document Type and Number:
Japanese Patent JP5716504
Kind Code:
B2
Abstract:
An image processing apparatus includes a central-portion extracting unit, a classifying unit and a determining unit. The central-portion extracting unit extracts edges from an image area and extracts a plurality of central portions of areas each of which is sandwiched between the edges. The classifying unit groups the central portions by classifying adjacent central portions that have no edge therebetween into a single group. The determining unit determines an area of finger, the area of finger being surrounded by the central portions classified into a group by the classifying unit and peripheral edges of the central portion, the area of finger being an area where a ratio of a luminance gradient in a short side direction to a luminance gradient in a long side direction is within a predetermined threshold.
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Inventors:
Akihiro Minagawa
Hiroshi Katsuyama
Nobuyuki Hara
Etsunobu Hotta
Fun way
Hiroshi Katsuyama
Nobuyuki Hara
Etsunobu Hotta
Fun way
Application Number:
JP2011084346A
Publication Date:
May 13, 2015
Filing Date:
April 06, 2011
Export Citation:
Assignee:
富士通株式会社
International Classes:
G06T7/60; G06T1/00
Domestic Patent References:
| JP2000331170A |
Foreign References:
| US20110013805 | ||||
| US20070031015 |
Attorney, Agent or Firm:
Hiroaki Sakai