Title:
METHOD FOR EXTRACTING CHARACTER AREA IN IMAGE
Document Type and Number:
WIPO Patent Application WO/2002/017220
Kind Code:
A1
Abstract:
A method for extracting a character area in an image in which restriction on the object scene image is little and the processing is automatically executed. The method comprising the steps: the step of acquiring a scene image as color electronic information, the step of dividing color information on the pixels constituting the color electronic information into k (k is an integer of two or more) clusters, the step of creating candidate images by using information on to which cluster each pixel belongs, and the step of extracting a character area by detecting an area included in candidate images.
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Inventors:
KUREMATSU AKIRA (JP)
NAGAI TAKAYUKI (JP)
KANEKO MASAHIDE (JP)
FU HANG (JP)
NAGAI TAKAYUKI (JP)
KANEKO MASAHIDE (JP)
FU HANG (JP)
Application Number:
PCT/JP2001/007170
Publication Date:
February 28, 2002
Filing Date:
August 22, 2001
Export Citation:
Assignee:
KUREMATSU AKIRA (JP)
NAGAI TAKAYUKI (JP)
KANEKO MASAHIDE (JP)
FU HANG (JP)
NAGAI TAKAYUKI (JP)
KANEKO MASAHIDE (JP)
FU HANG (JP)
International Classes:
G06V30/10; (IPC1-7): G06K9/20
Other References:
HIROYUKI HASE ET AL.: "Color bunsho gazou chuu no moji ryouiki chuushutsu wo mokuteki to shita iro bunkatsu ni tsuite no kentou", DENSHI JOHO TSUUSHIN GAKKAI RONBUNSHI, vol. J83-D-II, no. 5, 25 May 2000 (2000-05-25), JAPAN, pages 1294 - 1304, XP002907915
SHUUJI SENDA ET AL.: "Iro bunrui ni yoru color bunsho gazou kara no moji pattern chuushutsu-hou", JOHO SHORI SYMPOSIUM RONBUNSHUU, (GAZOU NO NINSHIKI RIKAI SYMPOSIUM (MIRU'94), KOUEN RONBUNSHUU I), vol. 94, no. 4, 13 July 1994 (1994-07-13), JAPAN, pages I-75 - I-82, XP002907916
KENICHI MATSUO ET AL.: "Noutan oyobi iro joho ni yoru joukei gazou kara no moji-retsu chuushutsu", DENSHI JOHO TSUUSHIN GAKKAI GIJUTSU KENKYUU HOUKOKU, PRU92-121, vol. 92, no. 434, 22 January 1993 (1993-01-22), JAPAN, pages 25 - 32, XP002907917
SHUUJI SENDA ET AL.: "Iro bunrui ni yoru color bunsho gazou kara no moji pattern chuushutsu-hou", JOHO SHORI SYMPOSIUM RONBUNSHUU, (GAZOU NO NINSHIKI RIKAI SYMPOSIUM (MIRU'94), KOUEN RONBUNSHUU I), vol. 94, no. 4, 13 July 1994 (1994-07-13), JAPAN, pages I-75 - I-82, XP002907916
KENICHI MATSUO ET AL.: "Noutan oyobi iro joho ni yoru joukei gazou kara no moji-retsu chuushutsu", DENSHI JOHO TSUUSHIN GAKKAI GIJUTSU KENKYUU HOUKOKU, PRU92-121, vol. 92, no. 434, 22 January 1993 (1993-01-22), JAPAN, pages 25 - 32, XP002907917
Attorney, Agent or Firm:
Naruse, Shigeo (INABA & INAMI Hanabishi Imas Hirakawacho
Building 4th Floor 3-11 Hirakawacho 2-chome Chiyoda-ku, Tokyo, JP)
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