IMAGE INFORMATION COMPRESSION METHOD, IMAGE INFORMATION COMPRESSION DEVICE, AND FREE VIEWPOINT TELEVISION SYSTEM

Title:

IMAGE INFORMATION COMPRESSION METHOD, IMAGE INFORMATION COMPRESSION DEVICE, AND FREE VIEWPOINT TELEVISION SYSTEM

Document Type and Number:

WIPO Patent Application WO/2007/026440

Kind Code:

A1

Abstract:

There is provided an image information compression method capable of improving encoding compression efficiency in encoding a plurality of still images captured by cameras (2021, ...) arranged at a plurality of positions on a circumference around an object (201) or a rectilinear line. The method includes: a step of capturing still images (2031, ...) from a plurality of positions on a circumference around an object (201) or a rectilinear line; a step of arranging the plurality of still images (2031, ...) in the order of the aforementioned plurality of positions in such a manner that adjacent still images oppose to one another in the z-axis direction of the orthogonal coordinate system so as to generate a multi-camera still image (204); a step of cutting out the multi-camera still image (204) by a plane vertical tot he xz-plane and the xy-plane so as to generate a plurality of vertical cross sectional images (205); and a step of handling each of the vertical cross sectional images (205) as frames arranged in the temporal axis direction of the respective dynamic image and encoding the vertical cross sectional images by using the in-frame encoding and inter-frame prediction encoding.

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Inventors:

TANIMOTO MASAYUKI (JP)
FUJII TOSHIAKI (JP)
YAMAMOTO KENJI (JP)

Application Number:

PCT/JP2006/304590

Publication Date:

March 08, 2007

Filing Date:

March 09, 2006

Export Citation:

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Assignee:

UNIV NAGOYA NAT UNIV CORP (JP)
TANIMOTO MASAYUKI (JP)
FUJII TOSHIAKI (JP)
YAMAMOTO KENJI (JP)

International Classes:

H04N19/50; H04N19/503; H04N19/51; H04N19/593; H04N19/597; H04N19/61; H04N19/625; H04N19/91

Foreign References:

JP2000278715A	2000-10-06
JPH11146396A	1999-05-28
JPH06112838A	1994-04-22

Other References:

HIKEAKI KIMATA, ET AL.: "System Design of Free Viewpoint Video Communication", THE FOURTH INTERNATIONAL CONFERENCE ON COMPUTER AND INFORMATION TECHNOLOGY 2004 (CIT'04), 14 September 2004 (2004-09-14), pages 52 - 59, XP003012676
OKA S. ET AL.: "Jiyu Shiten TV no tame no Kosen Kukan Joho Asshuku", INFORMATION PROCESSING SOCIETY OF JAPAN KENKYU HOKOKU, vol. 2003, no. 125, 19 December 2003 (2003-12-19), pages 97 - 102, 2003-AVM-43, XP003012677

Attorney, Agent or Firm:

MAEDA, Minoru et al. (Koda Bldg. 4F 16-2, Yoyogi 2-chom, Shibuya-ku Tokyo, JP)

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