JP2008536425A - ビデオデータを効果的に符号化及び復号する方法,デバイス及びシステム - Google Patents
ビデオデータを効果的に符号化及び復号する方法,デバイス及びシステム Download PDFInfo
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- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
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Abstract
Description
Claims (15)
- ビデオデータを符号化する方法であって,
前記ビデオデータを取得するステップと,
前記の獲得したビデオデータを用いて,少なくとも1つのピクチャを含む基本階層を発生するステップと,
前記の獲得したビデオデータを用いて,少なくとも1つのピクチャを含む少なくとも1つの強化階層を発生するステップと,
前記基本階層及び前記少なくとも1つの強化階層それぞれに関して,参照番号に関連付けられた依存性識別子(DependencyId)を発生するステップと,
異なるDependencyId値を有する前記基本階層及び前記少なくとも1つの強化階層それぞれに対して対応するシーケンスパラメータセット(SPS)を決定するステップであって,およそ同一のSPSパラメータを有するいくつかの基本階層及び強化階層は1つのSPSを用いるステップと,
決定したSPSを用いて前記基本階層及び前記少なくとも1つの強化階層を符号化するステップと,
を有する方法。 - 前記基本階層及び前記少なくとも1つの強化階層を発生するステップは,前記ビデオデータ内の動き情報を用い,該動き情報は動き予測処理が供給する請求項1に記載の方法。
- 前記SPSはSPS識別子を含み,該SPS識別子はスライスヘッダにおいて更に参照されるピクチャパラメータが参照する請求項1又は2に記載の方法。
- 前記基本階層と少なくとも1つの強化階層とのグループの少なくとも2つの前記DependencyIdを同一とする請求項1〜3のいずれか一項に記載の方法。
- 前記SPSは,プロファイル情報と,レベル情報と,クロマ形式情報と,ピクチャサイズ情報と,フレームクロップ情報,とを含むグループの少なくとも1つを更に含む請求項1〜4のいずれか一項に記載の方法。
- スケーラブル符号化ビデオデータを復号する方法であって,
前記符号化ビデオデータを取得する操作と,
前記符号化ビデオデータ内の基本階層及び少なくとも1つの強化階層を識別する操作と,
前記基本階層及び強化階層のそれぞれについて依存性識別子(DependencyId)を検出する操作であって,前記依存性識別子は参照番号を有し,およそ同一のシーケンスパラメータセット(SPS)パラメータを有するいくつかの基本階層及び強化階層について,1つのSPSを用いる操作と,
前記の用いたSPSのそれぞれを用いて,前記基本階層及び前記少なくとも1つの復号した強化階層を復号する操作と,
を有する方法。 - 請求項1〜5のいずれか一項に記載の方法によって動作するデバイス。
- 請求項6に記載の方法で動作するデバイス。
- 請求項1〜6のいずれか一項に記載の方法によって動作するデータ送信に対応するシステム。
- 請求項7に記載の少なくとも1つのデバイス及び請求項8に記載の1つのデバイスを含むデータ送信システム。
- 電子デバイスが収容している計算機プロセッサが実行する計算機プログラムコードを組み込んだ計算機可読記憶構造を有する計算機プログラム製品であって,前記計算機プログラムコードは請求項1〜5のいずれか一項に記載の方法を実行する命令を有する計算機プログラム製品。
- 電子デバイスが収容している計算機プロセッサが実行する計算機プログラムコードを組み込んだ計算機可読記憶構造を有する計算機プログラム製品であって,前記計算機プログラムコードは請求項6に記載の方法を実行する命令を有する計算機プログラム製品。
- 搬送波に含まれ,命令を表している計算機データ信号であって,それをプロセッサが実行したとき,請求項1〜6のいずれか一項に記載の方法の操作が実行される信号。
- ビデオデータをスケーラブル符号化するモジュール(105)であって,
前記ビデオデータを取得するコンポーネント(610)と,
前記の取得したビデオデータを用いて基本階層を発生するコンポーネント(620)と,
少なくとも1つのピクチャを含む少なくとも1つの強化階層を発生するコンポーネント(630)と,
前記基本階層及び強化階層のそれぞれに対して,参照番号に関連付けられた依存性識別子(DependencyId)を発生するコンポーネント(640)と,
異なるDependencyId値を有する前記基本階層及び前記少なくとも1つの強化階層それぞれに対して対応するシーケンスパラメータセット(SPS)を決定するコンポーネント(650)であって,およそ同一のSPSパラメータを有するいくつかの基本階層及び強化階層は1つのSPSを用いるコンポーネントと,
決定したSPSを用いて前記基本階層及び前記少なくとも1つの強化階層を符号化するコンポーネント(660)と,
を少なくとも備えるモジュール。 - スケーラブル符号化ビデオデータを復号するモジュール(106)であって,
前記符号化ビデオデータを取得するコンポーネント(710)と,
前記符号化ビデオデータ内の基本階層及び少なくとも1つの強化階層を識別するコンポーネント(720)と,
前記少なくとも1つの強化階層について依存性識別子(DependencyId)を検出するコンポーネント(730)であって,前記依存性識別子は参照番号を有し,異なる前記依存性識別子を有する少なくとも2つの階層について,同一のシーケンスパラメータセット(SPS)を用いるコンポーネントと,
前記の用いたSPSを用いて,前記基本階層及び前記復号した強化階層を復号するコンポーネント(740)と,
を少なくとも備えるモジュール。
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US67121305P | 2005-04-13 | 2005-04-13 | |
US60/671,213 | 2005-04-13 | ||
PCT/IB2006/000648 WO2006109117A1 (en) | 2005-04-13 | 2006-03-23 | Method, device and system for effectively coding and decoding of video data |
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JP2008536425A true JP2008536425A (ja) | 2008-09-04 |
JP4903195B2 JP4903195B2 (ja) | 2012-03-28 |
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US (1) | US8259800B2 (ja) |
EP (1) | EP1869888B1 (ja) |
JP (1) | JP4903195B2 (ja) |
KR (1) | KR100931870B1 (ja) |
CN (1) | CN101180883B (ja) |
AU (1) | AU2006233279C1 (ja) |
BR (1) | BRPI0610398B1 (ja) |
HK (1) | HK1114522A1 (ja) |
MX (1) | MX2007012604A (ja) |
MY (1) | MY145660A (ja) |
RU (1) | RU2377735C2 (ja) |
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CN102123299A (zh) * | 2011-01-11 | 2011-07-13 | 中国联合网络通信集团有限公司 | 可伸缩视频的播放方法和播放装置 |
JP2015519807A (ja) * | 2012-04-25 | 2015-07-09 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | ビデオ・ファイルにおけるパラメータ・セットを識別すること |
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US20060251169A1 (en) | 2006-11-09 |
EP1869888A1 (en) | 2007-12-26 |
BRPI0610398A8 (pt) | 2016-05-10 |
AU2006233279A1 (en) | 2006-10-19 |
US8259800B2 (en) | 2012-09-04 |
JP4903195B2 (ja) | 2012-03-28 |
TW200708109A (en) | 2007-02-16 |
HK1114522A1 (zh) | 2008-10-31 |
KR20080002951A (ko) | 2008-01-04 |
BRPI0610398A2 (pt) | 2012-01-10 |
MY145660A (en) | 2012-03-15 |
AU2006233279B2 (en) | 2010-05-27 |
CN101180883A (zh) | 2008-05-14 |
WO2006109117A8 (en) | 2007-12-27 |
CN101180883B (zh) | 2016-02-03 |
RU2007137805A (ru) | 2009-05-20 |
WO2006109117A1 (en) | 2006-10-19 |
EP1869888B1 (en) | 2016-07-06 |
RU2377735C2 (ru) | 2009-12-27 |
KR100931870B1 (ko) | 2009-12-15 |
AU2006233279C1 (en) | 2011-01-27 |
EP1869888A4 (en) | 2013-09-11 |
BRPI0610398B1 (pt) | 2019-07-02 |
MX2007012604A (es) | 2008-01-11 |
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