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

Japanese Patent JP2015019355

A

PROBLEM TO BE SOLVED: To generate an encoded signal that can be appropriately decoded.SOLUTION: An image encoding method includes: a first flag encoding step (S501) of encoding a first flag indicating whether to use a predetermined extended standard of a predetermined image encoding standard; a second flag encoding step (S503) for encoding a second flag indicating whether to use a first system that is an encoding system included in the extended standard for encoding a differential between samples included in a differential signal of an object block and neighboring to each other in the case where the first flag indicates that the extended standard is to be used (S502; Yes); and an image encoding step (S505) of encoding an image while using the first system in the case where the second flag indicates that the first system is to be used (S504; Yes).

SASAI TOSHIRO
TERADA KENGO

JP2014116966A

January 29, 2015

June 05, 2014

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PANASONIC IP CORP AMERICA

H04N19/70; H04N19/105

KI-HUN HAN, DAE-YEON KIM, JAE-HO HUR, YUNG-LYUL LEE, LOSSLESS INTER CODING FOR ADVANCED 4:4:4 CODING IN H.264/MPEG-4 AVC, JPN6014040976, 16 January 2006 (2006-01-16)
MATTEO NACCARI, MARTA MRAK, ON SUPPORT FOR ALPHA CHANNEL IN HEVC, JPN6014040977, 18 April 2013 (2013-04-18)
THOMAS WIEGAND, WOO-JIN HAN, BENJAMIN BROSS, JENS-RAINER OHM, GARY J. SULLIVAN, WD3: WORKING DRAFT 3 OF HIGH-EFFICIENCY VIDEO CODING, JPN6014040978, 27 June 2011 (2011-06-27), pages 7.3.2.1

New house Extensive 守
Eisaku Teratani
道坂 Shin-ichi

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