IMAGE DECODING METHOD, IMAGE ENCODING METHOD, IMAGE DECODING DEVICE, IMAGE ENCODING DEVICE, AND IMAGE ENCODING/DECODING DEVICE

Title:

IMAGE DECODING METHOD, IMAGE ENCODING METHOD, IMAGE DECODING DEVICE, IMAGE ENCODING DEVICE, AND IMAGE ENCODING/DECODING DEVICE

Document Type and Number:

WIPO Patent Application WO/2012/169184

Kind Code:

A1

Abstract:

An image decoding method according to an embodiment of the present invention comprises: an image size extraction step (S301) to extract an image size (621) from a bit stream (620); a minimum coding unit size extraction step (S302) to extract a minimum CU size (622) from the bit stream (620); an assessment step (S303) to assess whether or not the image size (621) is an integral multiple of the minimum CU size (622); and a first decoding step (S304) wherein, when the image size (621) is an integral multiple of the minimum CU size (622) (Yes in S303), the image size (621) is used in decoding an encoded image signal (623) contained in the bit stream (620) to generate a decoded image (625).

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Inventors:

DRUGEON VIRGINIE
NARROSCHKE MATTHIAS

Application Number:

PCT/JP2012/003712

Publication Date:

December 13, 2012

Filing Date:

June 06, 2012

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Assignee:

PANASONIC CORP (JP)
DRUGEON VIRGINIE
NARROSCHKE MATTHIAS

International Classes:

H04N7/26; G06V30/224

Foreign References:

JPH0541801A	1993-02-19
JPH06350996A	1994-12-22
US20120082216A1	2012-04-05

Other References:

SAKAE OKUBO, H.264/AVC KYOKASHO, 1ST EDITION, KABUSHIKI KAISHA IMPRESS R&D, vol. 43, 1 January 2009 (2009-01-01), pages 43, 94-96, 187, 326, 327
THOMAS WIEGAND ET AL.: "WD3: Working Draft 3 of High-Efficiency Video Coding", JOINT COLLABORATIVE TEAM ON VIDEO CODING (JCT-VC) OF ITU-T SG16 WP3 AND ISO/IEC JTC1/SC29/WG11 5TH MEETING, 20 May 2011 (2011-05-20), GENEVA, CH, pages 35, 59, 60

Attorney, Agent or Firm:

NII, Hiromori (JP)
New house Extensive 守 (JP)

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Claims:

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