Title:
符号化装置、符号化方法及びプログラム、復号装置、復号方法及びプログラム
Document Type and Number:
Japanese Patent JP6410853
Kind Code:
B2
Abstract:
An image coding apparatus configured to divide an image into one or more slices each including a plurality of blocks and to code each slice on a block-by-block basis includes a first coding unit configured to code blocks included in a first portion of the slice, and a second coding unit configured to code blocks included in a second portion of the slice, wherein, when the second coding unit codes an initial block in the second portion, the second coding unit codes the initial included in the second portion by referring to a first quantization parameter provided to the slice as an initial value and referred to by the first coding unit when the first coding units codes the initial block in the first portion.
Inventors:
Koji Okawa
Application Number:
JP2017007750A
Publication Date:
October 24, 2018
Filing Date:
January 19, 2017
Export Citation:
Assignee:
Canon Inc
International Classes:
H04N19/00; H04N19/463; H04N19/126; H04N19/13; H04N19/134; H04N19/136; H04N19/176; H04N19/189; H04N19/436; H04N19/46; H04N19/593; H04N19/60; H04N19/61; H04N19/70; H04N19/91
Foreign References:
| WO2009150808A1 |
Other References:
Gordon Clare (Orange Labs),Wavefront Parallel Processing for HEVC Encoding and Decoding[online], JCTVC-F JCTVC-F274,インターネット
Madhukar Budagavi Texas Instruments Inc., USA,Delta QP signaling at sub-LCU level[online], JCTVC-D JCTVC-D038,インターネット
Madhukar Budagavi Texas Instruments Inc., USA,Delta QP signaling at sub-LCU level[online], JCTVC-D JCTVC-D038,インターネット
Attorney, Agent or Firm:
Takuma Abe
Sogo Kuroiwa
Sogo Kuroiwa