JP6291613B2 - 映像符号化装置 - Google Patents
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- 238000013139 quantization Methods 0.000 claims description 168
- 230000002123 temporal effect Effects 0.000 claims description 38
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- 208000037170 Delayed Emergence from Anesthesia Diseases 0.000 claims description 21
- 238000005192 partition Methods 0.000 claims description 9
- 238000000638 solvent extraction Methods 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000012935 Averaging Methods 0.000 claims 1
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- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
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- H04N19/103—Selection of coding mode or of prediction mode
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Description
一実施形態において、例えば、以下の項目が提供される。
(項目1)
マージリストを構築する方法において、
空間マージ候補の利用可能性を検査するステップ;
時間マージ候補の利用可能性を検査するステップ;
利用可能な空間及び時間マージ候補を利用してマージリストを構築するステップ;及び、前記利用可能な空間及び時間マージ候補の数が予め決められた数より小さい場合、一つ以上の候補を追加するステップ;を含み、
前記空間マージ候補は、空間マージ候補ブロックの動き情報であり、前記空間マージ候補ブロックは、現在ブロックの左側ブロック、上側ブロック、右上側ブロック、左下側ブロック又は左上側ブロックであり、
現在ブロックが非対称分割により分割された2番目の予測ユニットの場合、前記非対称分割に分割された1番目の予測ユニットは、利用可能でないと設定されることを特徴とする方法。
(項目2)
現在予測ユニットのサイズが(3/2)N×2Nの場合、左側空間マージ候補が利用可能で
ないと設定されることを特徴とする項目1に記載の方法。
(項目3)
前記左側空間マージ候補は、現在ブロックの左側ブロックの動き情報であることを特徴とする項目2に記載の方法
(項目4)
上側空間マージ候補が前記左側空間マージ候補と同じ動き情報を有する場合、前記上側空間マージ候補は、利用可能でないと設定されることを特徴とする項目2に記載の方法。
(項目5)
現在予測ユニットのサイズは、分割モード及び現在コーディングユニットのサイズに基づいて決定されることを特徴とする項目1に記載の方法。
(項目6)
前記コーディングユニットが許容可能な最小サイズを有する場合、前記非対称分割が許容されないことを特徴とする項目1に記載の方法
(項目7)
前記左側ブロック、前記上側ブロック、前記右上側ブロック及び前記左下側ブロックのうち少なくとも一つが利用可能でない場合、前記左上側ブロックがマージ候補ブロックとして設定されることを特徴とする項目1に記載の方法。
Claims (10)
- 映像符号化装置であって、
前記装置は、
現在ブロックの動き情報を決定し、前記動き情報を利用して前記現在ブロックの予測ブロックを生成するインター予測部と、
残差ブロックを変換して変換ブロックを生成する変換部と、
量子化パラメータ及び量子化マトリクスを利用して前記変換ブロックを量子化して量子化ブロックを生成する量子化部と、
対角線スキャンを利用して前記量子化ブロックの係数成分をスキャンするスキャニング部と、
前記量子化ブロックの前記スキャンされた係数成分をエントロピー符号化するエントロピー符号化部と
を備え、
前記動き情報は、
利用可能な空間マージ候補及び時間マージ候補を利用してマージリストを構成するサブステップと、
前記マージリストのマージ候補の中からマージ予測子を選択するサブステップと、
前記マージ予測子を特定するマージインデックスを符号化するサブステップと
を実行することにより符号化され、
前記現在ブロックが非対称分割により分割された2番目の予測ユニットである場合に、前記非対称分割により分割された1番目の予測ユニットに対応する前記空間マージ候補が、利用可能でないと設定され、
前記量子化パラメータは、量子化ユニット毎に決定され、量子化パラメータ予測子を利用して符号化され、前記量子化パラメータ予測子は、2つ以上の量子化パラメータが利用可能な場合に、左側量子化パラメータ、上側量子化パラメータ及び以前量子化パラメータのうちの2つの量子化パラメータを平均することにより生成される、装置。 - 前記現在ブロックのサイズが(3/2)N×2Nである場合に、左側空間マージ候補は、利用可能でないと設定される、請求項1に記載の装置。
- 前記左側空間マージ候補は、前記現在ブロックの左側予測ユニットの動き情報である、請求項2に記載の装置。
- 上側空間マージ候補が前記左側空間マージ候補と同じ動き情報を有する場合に、前記上側空間マージ候補は、利用可能でないと設定される、請求項2に記載の装置。
- 前記現在ブロックのサイズは、分割モード及びコーディングユニットのサイズに基づいて決定される、請求項2に記載の装置。
- 現在コーディングユニットが最小コーディングユニットである場合に、非対称分割が許容されない、請求項1に記載の装置。
- 前記現在ブロックが非対称分割により分割された2番目の予測ユニットである場合に、左上側ブロックの情報は、マージ候補ブロックとして設定される、請求項1に記載の装置。
- 前記時間マージ候補の動きベクトルは、時間マージ候補ピクチャ内の時間マージ候補ブロックの動きベクトルであり、前記時間マージ候補ブロックの位置は、最大コーディングユニット内での前記現在ブロックの位置によって決定される、請求項1に記載の装置。
- 前記時間マージ候補の参照ピクチャインデックスは0である、請求項8に記載の装置。
- 前記左側量子化パラメータ及び前記上側量子化パラメータのうちの1つのみが利用可能である場合に、前記利用可能な量子化パラメータ及び前記以前量子化パラメータの平均は、前記量子化パラメータ予測子として設定される、請求項1に記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2011-0115219 | 2011-11-07 | ||
KR1020110115219A KR20130050406A (ko) | 2011-11-07 | 2011-11-07 | 머지 모드에서의 움직임 정보 생성 방법 |
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JP2015199311A Division JP6140237B2 (ja) | 2011-11-07 | 2015-10-07 | マージリスト構築方法 |
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JP2017163584A JP2017163584A (ja) | 2017-09-14 |
JP6291613B2 true JP6291613B2 (ja) | 2018-03-14 |
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JP2014539242A Active JP5823628B2 (ja) | 2011-11-07 | 2012-11-07 | マージリスト構築方法 |
JP2015199314A Active JP6138885B2 (ja) | 2011-11-07 | 2015-10-07 | マージリスト構築方法 |
JP2015199312A Active JP6138883B2 (ja) | 2011-11-07 | 2015-10-07 | マージモードを利用して映像を復号化する装置 |
JP2015199313A Active JP6138884B2 (ja) | 2011-11-07 | 2015-10-07 | マージリスト構築方法 |
JP2015199311A Active JP6140237B2 (ja) | 2011-11-07 | 2015-10-07 | マージリスト構築方法 |
JP2017090267A Active JP6291613B2 (ja) | 2011-11-07 | 2017-04-28 | 映像符号化装置 |
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JP2014539242A Active JP5823628B2 (ja) | 2011-11-07 | 2012-11-07 | マージリスト構築方法 |
JP2015199314A Active JP6138885B2 (ja) | 2011-11-07 | 2015-10-07 | マージリスト構築方法 |
JP2015199312A Active JP6138883B2 (ja) | 2011-11-07 | 2015-10-07 | マージモードを利用して映像を復号化する装置 |
JP2015199313A Active JP6138884B2 (ja) | 2011-11-07 | 2015-10-07 | マージリスト構築方法 |
JP2015199311A Active JP6140237B2 (ja) | 2011-11-07 | 2015-10-07 | マージリスト構築方法 |
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US (7) | US8917772B2 (ja) |
EP (6) | EP3829174B1 (ja) |
JP (6) | JP5823628B2 (ja) |
KR (5) | KR20130050406A (ja) |
CN (7) | CN108347610B (ja) |
BR (5) | BR122020013719B1 (ja) |
CY (1) | CY1123872T1 (ja) |
DK (5) | DK3829172T3 (ja) |
ES (5) | ES2951960T3 (ja) |
HR (1) | HRP20210659T1 (ja) |
HU (5) | HUE062196T2 (ja) |
IN (1) | IN2014CN03913A (ja) |
LT (1) | LT2752006T (ja) |
MX (6) | MX336816B (ja) |
PL (5) | PL3829172T3 (ja) |
PT (5) | PT2752006T (ja) |
RS (1) | RS61740B1 (ja) |
SI (1) | SI2752006T1 (ja) |
TW (1) | TWI537881B (ja) |
WO (1) | WO2013067938A1 (ja) |
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AU2012270359B2 (en) * | 2011-06-14 | 2014-10-30 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding motion information and method and apparatus for decoding same |
KR20130050406A (ko) * | 2011-11-07 | 2013-05-16 | 오수미 | 머지 모드에서의 움직임 정보 생성 방법 |
KR101615662B1 (ko) * | 2011-11-08 | 2016-04-26 | 한국전자통신연구원 | 영상 복호화 방법 및 장치 |
EP2942961A1 (en) | 2011-11-23 | 2015-11-11 | HUMAX Holdings Co., Ltd. | Methods for encoding/decoding of video using common merging candidate set of asymmetric partitions |
JP5561348B2 (ja) * | 2011-12-16 | 2014-07-30 | 株式会社Jvcケンウッド | 動画像復号装置、動画像復号方法、及び動画像復号プログラム、並びに、受信装置、受信方法、及び受信プログラム |
PL3703371T3 (pl) | 2011-12-16 | 2021-12-06 | Jvckenwood Corporation | Urządzenie do dynamicznego kodowania obrazu, sposób dynamicznego kodowania obrazu, program do dynamicznego kodowania obrazu, urządzenie do dynamicznego dekodowania obrazu, sposób dynamicznego dekodowania obrazu i program do dynamicznego dekodowania obrazu |
JP5900308B2 (ja) * | 2011-12-16 | 2016-04-06 | 株式会社Jvcケンウッド | 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム |
CN102883163B (zh) * | 2012-10-08 | 2014-05-28 | 华为技术有限公司 | 用于运动矢量预测的运动矢量列表建立的方法、装置 |
US9832478B2 (en) | 2013-05-14 | 2017-11-28 | Mediatek Inc. | Video encoding method and apparatus for determining size of parallel motion estimation region based on encoding related information and related video decoding method and apparatus |
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EP3028466B1 (en) | 2013-07-24 | 2022-01-26 | Qualcomm Incorporated | Simplified advanced motion prediction for 3d-hevc |
US9948915B2 (en) | 2013-07-24 | 2018-04-17 | Qualcomm Incorporated | Sub-PU motion prediction for texture and depth coding |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |