JP2013535919A - 予測ブロック生成装置 - Google Patents
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Abstract
Description
現在変換量子化された係数ブロックのサイズ(変換ブロックのサイズ)が第2基準サイズ(例えば、8×8)より大きい場合には、ジグザグスキャンのみを適用する。よって、第1基準サイズが第2基準サイズより小さな場合にのみ前記段階が行われる。
Claims (10)
- 動画復号化装置の予測ブロック生成装置において、
受信された付加情報コンテナに含まれた予測ブロックの生成のための付加情報、及び現在予測単位の有効なイントラ予測モード候補者情報を用いて、現在予測単位のイントラ予測モードを定める予測モード復号化部と、
イントラ予測ブロックを生成するために、利用不可能な位置の参照画素を、利用可能な参照画素を用いて生成する参照画素生成部と、
前記定められた現在予測単位のイントラ予測モードまたは現在予測単位のサイズ情報に基づいて、現在予測単位に隣接している参照画素を適応的にフィルタリングする参照画素フィルタリング部と、
前記定められた現在予測単位のイントラ予測モードに対応する参照画素を用いて現在予測単位の予測ブロックを生成する予測ブロック生成部と、を備える予測ブロック生成装置。 - 前記定められた現在予測単位のイントラ予測モードに基づいて、前記予測ブロック生成部によって生成された予測ブロック内の一部画素をフィルタリングする予測ブロックフィルタリング部をさらに備え、
前記予測ブロック内の一部画素の位置は、前記イントラ予測モードによって定められる請求項1に記載の予測ブロック生成装置。 - 前記参照画素生成部は、一方向のみに利用可能な画素が存在する場合、最も隣接している利用可能な画素を用いて利用不可能な参照画素を生成する請求項1に記載の予測ブロック生成装置。
- 前記参照画素フィルタリング部は、現在予測単位のサイズによって適応的にフィルタリングを行う請求項1に記載の予測ブロック生成装置。
- 前記参照画素フィルタリング部は、[1,2,1]フィルターを用いて参照画素をフィルタリングする請求項1に記載の予測ブロック生成装置。
- 前記参照画素フィルタリング部は、所定サイズ以下の予測単位についてはフィルタリングを行わない請求項1に記載の予測ブロック生成装置。
- 前記参照画素フィルタリング部は、予測ブロック内の各画素の生成に使われる参照画素が1つであるイントラ予測モード適用時に、参照画素をフィルタリングしない請求項1に記載の予測ブロック生成装置。
- 前記参照画素フィルタリング部は、平面モードでは参照画素をフィルタリングしない請求項1に記載の予測ブロック生成装置。
- 前記予測ブロックフィルタリング部は、予測ブロックを、左側または上側のいずれか一方の参照画素のみを用いて生成し、水平または垂直方向に対して45゜傾いた方向性を持ってイントラ予測モードによって生成された予測ブロック内の一部画素をフィルタリングする請求項2に記載の予測ブロック生成装置。
- 前記予測ブロックフィルタリング部は、水平または垂直方向に対して45゜傾いたモードを持つイントラ予測モードでは、参照画素をフィルタリングする請求項1に記載の予測ブロック生成装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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KR20100074462 | 2010-07-31 | ||
KR10-2010-0074462 | 2010-07-31 | ||
KR10-2011-0062603 | 2011-06-28 | ||
KR1020110062603A KR101373814B1 (ko) | 2010-07-31 | 2011-06-28 | 예측 블록 생성 장치 |
PCT/KR2011/005592 WO2012018198A2 (ko) | 2010-07-31 | 2011-07-29 | 예측 블록 생성 장치 |
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JP2016082416A Division JP6084733B2 (ja) | 2010-07-31 | 2016-04-15 | 映像復号化装置 |
JP2016082418A Division JP6084735B2 (ja) | 2010-07-31 | 2016-04-15 | 映像復号化装置 |
JP2016082417A Division JP6084734B2 (ja) | 2010-07-31 | 2016-04-15 | 映像復号化装置 |
JP2016082412A Division JP6149137B2 (ja) | 2010-07-31 | 2016-04-15 | 映像符号化装置 |
JP2016082413A Division JP6084731B2 (ja) | 2010-07-31 | 2016-04-15 | 映像符号化装置 |
JP2016082414A Division JP6149138B2 (ja) | 2010-07-31 | 2016-04-15 | 映像符号化装置 |
JP2016082415A Division JP6084732B2 (ja) | 2010-07-31 | 2016-04-15 | 映像復号化装置 |
Publications (3)
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JP2013535919A true JP2013535919A (ja) | 2013-09-12 |
JP2013535919A5 JP2013535919A5 (ja) | 2014-09-11 |
JP5928957B2 JP5928957B2 (ja) | 2016-06-01 |
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JP2013523089A Active JP5928957B2 (ja) | 2010-07-31 | 2011-07-29 | 映像符号化装置 |
JP2016082417A Expired - Fee Related JP6084734B2 (ja) | 2010-07-31 | 2016-04-15 | 映像復号化装置 |
JP2016082413A Active JP6084731B2 (ja) | 2010-07-31 | 2016-04-15 | 映像符号化装置 |
JP2016082412A Active JP6149137B2 (ja) | 2010-07-31 | 2016-04-15 | 映像符号化装置 |
JP2016082415A Active JP6084732B2 (ja) | 2010-07-31 | 2016-04-15 | 映像復号化装置 |
JP2016082414A Active JP6149138B2 (ja) | 2010-07-31 | 2016-04-15 | 映像符号化装置 |
JP2016082416A Expired - Fee Related JP6084733B2 (ja) | 2010-07-31 | 2016-04-15 | 映像復号化装置 |
JP2016082418A Expired - Fee Related JP6084735B2 (ja) | 2010-07-31 | 2016-04-15 | 映像復号化装置 |
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JP2016082417A Expired - Fee Related JP6084734B2 (ja) | 2010-07-31 | 2016-04-15 | 映像復号化装置 |
JP2016082413A Active JP6084731B2 (ja) | 2010-07-31 | 2016-04-15 | 映像符号化装置 |
JP2016082412A Active JP6149137B2 (ja) | 2010-07-31 | 2016-04-15 | 映像符号化装置 |
JP2016082415A Active JP6084732B2 (ja) | 2010-07-31 | 2016-04-15 | 映像復号化装置 |
JP2016082414A Active JP6149138B2 (ja) | 2010-07-31 | 2016-04-15 | 映像符号化装置 |
JP2016082416A Expired - Fee Related JP6084733B2 (ja) | 2010-07-31 | 2016-04-15 | 映像復号化装置 |
JP2016082418A Expired - Fee Related JP6084735B2 (ja) | 2010-07-31 | 2016-04-15 | 映像復号化装置 |
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US (11) | US9319715B2 (ja) |
EP (7) | EP2600614A4 (ja) |
JP (8) | JP5928957B2 (ja) |
KR (1) | KR101373814B1 (ja) |
CN (11) | CN104602006B (ja) |
CY (5) | CY1119258T1 (ja) |
DK (5) | DK3211898T3 (ja) |
ES (6) | ES2720652T3 (ja) |
HR (5) | HRP20171277T1 (ja) |
HU (5) | HUE044306T2 (ja) |
LT (5) | LT3211898T (ja) |
PL (6) | PL3197161T3 (ja) |
PT (5) | PT3211898T (ja) |
RS (5) | RS58605B1 (ja) |
SI (5) | SI2988501T1 (ja) |
TR (1) | TR201815076T4 (ja) |
WO (1) | WO2012018198A2 (ja) |
Cited By (2)
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WO2016051893A1 (ja) * | 2014-09-30 | 2016-04-07 | Kddi株式会社 | 動画像符号化装置、動画像復号装置、動画像圧縮伝送システム、動画像符号化方法、動画像復号方法、およびプログラム |
JP2021530160A (ja) * | 2018-06-29 | 2021-11-04 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 拡張参照画像内予測 |
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KR20130049526A (ko) * | 2011-11-04 | 2013-05-14 | 오수미 | 복원 블록 생성 방법 |
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JP2016072903A (ja) * | 2014-09-30 | 2016-05-09 | Kddi株式会社 | 動画像符号化装置、動画像復号装置、動画像圧縮伝送システム、動画像符号化方法、動画像復号方法、およびプログラム |
US10681366B2 (en) | 2014-09-30 | 2020-06-09 | Kddi Corporation | Video encoding apparatus, video decoding apparatus, video compression and transmission system, video encoding method, video decoding method, and computer readable storage medium |
JP2021530160A (ja) * | 2018-06-29 | 2021-11-04 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 拡張参照画像内予測 |
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