Title:
IMAGE DECODING DEVICE AND IMAGE ENCODING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/230904
Kind Code:
A1
Abstract:
The present invention suppresses delay resulting from a WPP process. An image decoding device (31) is provided with: a predicted image generation unit (308) which uses decoded data up to a position one CTU ahead of the same position as a target CTU, in a CTU line that is one line above a CTU line including the target CTU; and an entropy decoding unit (301) which decodes the target CTU using decoded data up to the position one CTU ahead of the same position as the target CTU, in the CTU line that is one line above the CTU line including the target CTU.
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Inventors:
IKAI TOMOHIRO
YASUGI YUKINOBU
YASUGI YUKINOBU
Application Number:
PCT/JP2019/021585
Publication Date:
December 05, 2019
Filing Date:
May 30, 2019
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
H04N19/436; H04N19/593
Foreign References:
| JP2017535175A | 2017-11-24 | |||
| JP2017130938A | 2017-07-27 | |||
| JP2018106506A | 2018-07-05 |
Other References:
KRISTINA RAPAKA , VADIM SEREGIN ,CHAO PANG , MARTA KARCZWICY: "On parallel processing capability of intra block copy", JOINT COLLABORATIVE TEAM ON VIDEO CODING (JCT-VC) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11 , no. S0220_r1, 24 October 2014 (2014-10-24), Strasbourg , FR, pages 1 - 8, XP030117009
TAMMY LEE , JONGBUM CHOI , JEONGHOON PARK : "Simplification on WPP", JOINT COLLABORATIVE TEAM ON VIDEO CODING (JCT-VC) OF ITU-T SG 16 WP3 AND ISO/IEC JTC1/SC29/WG11, no. H0349, 10 February 2012 (2012-02-10), San Jose , CA , USA, pages 1 - 6, XP030231758
"Algorithm Description of Joint Exploration Test Model 5", JVET-E1001, JOINT VIDEO-EXPLORATION TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, 12 January 2017 (2017-01-12)
See also references of EP 3806471A4
TAMMY LEE , JONGBUM CHOI , JEONGHOON PARK : "Simplification on WPP", JOINT COLLABORATIVE TEAM ON VIDEO CODING (JCT-VC) OF ITU-T SG 16 WP3 AND ISO/IEC JTC1/SC29/WG11, no. H0349, 10 February 2012 (2012-02-10), San Jose , CA , USA, pages 1 - 6, XP030231758
"Algorithm Description of Joint Exploration Test Model 5", JVET-E1001, JOINT VIDEO-EXPLORATION TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, 12 January 2017 (2017-01-12)
See also references of EP 3806471A4
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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