JP2018143002A - 映像復号化方法及び装置 - Google Patents
映像復号化方法及び装置 Download PDFInfo
- Publication number
- JP2018143002A JP2018143002A JP2018097924A JP2018097924A JP2018143002A JP 2018143002 A JP2018143002 A JP 2018143002A JP 2018097924 A JP2018097924 A JP 2018097924A JP 2018097924 A JP2018097924 A JP 2018097924A JP 2018143002 A JP2018143002 A JP 2018143002A
- Authority
- JP
- Japan
- Prior art keywords
- intra prediction
- block
- mode
- prediction mode
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000013139 quantization Methods 0.000 claims description 32
- 208000037170 Delayed Emergence from Anesthesia Diseases 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 14
- 230000001131 transforming effect Effects 0.000 claims description 2
- 230000009466 transformation Effects 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 description 7
- 238000012805 post-processing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- 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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- 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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- 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
- H04N19/17—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 the unit being an image region, e.g. an object
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- 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
- H04N19/17—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 the unit being an image region, e.g. an object
- H04N19/176—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 the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Abstract
Description
本願明細書は、例えば、以下の項目も提供する。
(項目1)
現在ブロックのイントラ予測モードグループ指示子及び予測モードインデックスを復元するステップ;
現在ブロックの左側及び上側ブロックの有効なイントラ予測モードを利用して第1のグループ(MPMグループ)を構成するステップ;
前記イントラ予測モードグループ指示子が第1のグループを示す場合、前記第1のグループで前記予測モードインデックスに対応するイントラ予測モードを現在ブロックのイントラ予測モードに決定し、前記イントラ予測モードグループ指示子が第2のグループを示す場合、前記第2のグループで前記予測モードインデックスに対応するイントラ予測モードを現在ブロックのイントラ予測モードに決定するステップ;及び、
前記決定された現在ブロックのイントラ予測モードによって予測ブロックを生成するステップ;を含み、
前記予測ブロックの大きさは、変換大きさ情報によって決定されることを特徴とする映像復号化方法。
(項目2)
現在ブロックの上側及び左側ブロックのイントラ予測モードのうち一つのみが有効な場合、2個のイントラ予測モードが前記第1のグループに追加されることを特徴とする項目1に記載の映像復号化方法。
(項目3)
前記イントラ予測モードグループ指示子が第1のグループを示す場合、前記予測モードインデックスは、truncated unary方式(詳細な説明では、truncated Exp−Golomb code)に二進化されてエントロピー符号化されることを特徴とする項目2に記載のイントラ予測情報符号化方法。
(項目4)
前記追加される2個のイントラ予測モードは、前記有効なイントラ予測モードによって決定されることを特徴とする項目3に記載の映像復号化方法
(項目5)
現在ブロックの大きさが前記予測ブロックの大きさより大きい場合、前記現在ブロックに含まれる複数個の予測ブロックは、前記現在ブロックのイントラ予測モードを利用して生成されることを特徴とする項目2に記載の映像復号化方法。
(項目6)
前記複数個の予測ブロックのうち、復号化順序上、二番目以後の予測ブロックは、先行する予測ブロックを利用して復元されたブロックの画素のうち一部を参照画素として利用して生成されることを特徴とする項目5に記載の映像復号化方法。
Claims (7)
- 映像を復号化する方法であって、前記方法は、
残差ブロックを生成することと、
予測ユニットのイントラ予測モードグループ指示子及び予測モードインデックスを復元することと、
前記予測ユニットの左側及び上側ブロックの利用可能なイントラ予測モードを利用して、3個のイントラ予測モードを含む第1のグループを構成することと、
前記イントラ予測モードグループ指示子が前記第1のグループを示す場合、前記第1のグループで前記予測モードインデックスに対応するイントラ予測モードを、前記予測ユニットのイントラ予測モードとして決定することと、
前記予測ユニットの前記決定されたイントラ予測モードに基づいて、一つの予測ブロックを生成することと、
前記残差ブロック及び前記予測ブロックを利用して、復元されたブロックを生成することと、
復元されたピクチャに対してデブロッキングフィルタリングを実行することと
を含み、
前記残差ブロックは、量子化係数情報から導出される量子化ブロックを逆量子化することによって、及び、前記逆量子化された量子化ブロックを逆変換することによって、生成され、
前記予測ユニットの左側及び上側ブロックのイントラ予測モードのうち一つのみが利用可能な場合、2個のイントラ予測モードが前記第1のグループに追加され、
前記左側ブロックのイントラ予測モードが前記上側ブロックのイントラ予測モードと同じでなく、且つ、前記左側ブロックのイントラ予測モード及び前記上側ブロックのイントラ予測モードがプレーナモード及びDCモードである場合、前記第1のグループは、前記左側及び上側ブロックのイントラ予測モード及び垂直モードを含み、
前記左側及び上側ブロックのイントラ予測モードが相互に同じでなく、且つ、前記左側及び上側ブロックのイントラ予測モードがDCモードでもプレーナモードでもない場合、前記第1のグループは、前記左側及び上側ブロックのイントラ予測モード及びプレーナモードを含み、
プレーナモードのモード番号は他のイントラ予測モードのモード番号よりも小さい、方法。 - 前記量子化ブロックを逆量子化することは、残差量子化ステップサイズ及び量子化ステップサイズ予測子に基づいて導出された量子化ステップサイズを利用して実行される、請求項1に記載の方法。
- 前記イントラ予測モードグループ指示子が第2のグループを示す場合、前記第2のグループで前記予測モードインデックスに対応するイントラ予測モードが、現在ブロックのイントラ予測モードとして決定される、請求項1に記載の方法。
- 前記予測ユニットの大きさが予測ブロックの大きさと同じである場合、前記決定されたイントラ予測モードに基づいて、一つの予測ブロックが生成され、前記予測ユニットの大きさが前記予測ブロックの大きさより大きい場合、前記決定されたイントラ予測モードに基づいて、複数個の予測ブロックが生成される、請求項1に記載の方法。
- 前記複数個の予測ブロックのうち、復号化順序上、二番目のブロックは、第1の予測ブロックの画素のうち一部を参照画素として利用して生成される、請求項1に記載の方法。
- 現在ブロックの左側及び上側ブロックのイントラ予測モードが利用可能でない場合、前記第1のグループは、プレーナモード、DCモード及び垂直モードを含む、請求項1に記載の方法。
- 前記予測ブロックの大きさは、変換大きさ情報によって決定される、請求項1に記載の方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020018397A JP6974516B2 (ja) | 2011-10-24 | 2020-02-06 | 復元ブロック生成方法、予測情報符号化方法、ビットストリーム、コンピュータ可読媒体 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20110108455 | 2011-10-24 | ||
KR10-2011-0108455 | 2011-10-24 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016176370A Division JP6685208B2 (ja) | 2011-10-24 | 2016-09-09 | 映像復号化方法及び装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020018397A Division JP6974516B2 (ja) | 2011-10-24 | 2020-02-06 | 復元ブロック生成方法、予測情報符号化方法、ビットストリーム、コンピュータ可読媒体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018143002A true JP2018143002A (ja) | 2018-09-13 |
JP6660074B2 JP6660074B2 (ja) | 2020-03-04 |
Family
ID=48168002
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014531700A Active JP5611498B1 (ja) | 2011-10-24 | 2012-04-20 | 映像復号化方法及び装置 |
JP2014177653A Active JP6006763B2 (ja) | 2011-10-24 | 2014-09-02 | 映像復号化方法及び装置 |
JP2016176370A Active JP6685208B2 (ja) | 2011-10-24 | 2016-09-09 | 映像復号化方法及び装置 |
JP2018097924A Active JP6660074B2 (ja) | 2011-10-24 | 2018-05-22 | 映像復号化方法及び装置 |
JP2020018397A Active JP6974516B2 (ja) | 2011-10-24 | 2020-02-06 | 復元ブロック生成方法、予測情報符号化方法、ビットストリーム、コンピュータ可読媒体 |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014531700A Active JP5611498B1 (ja) | 2011-10-24 | 2012-04-20 | 映像復号化方法及び装置 |
JP2014177653A Active JP6006763B2 (ja) | 2011-10-24 | 2014-09-02 | 映像復号化方法及び装置 |
JP2016176370A Active JP6685208B2 (ja) | 2011-10-24 | 2016-09-09 | 映像復号化方法及び装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020018397A Active JP6974516B2 (ja) | 2011-10-24 | 2020-02-06 | 復元ブロック生成方法、予測情報符号化方法、ビットストリーム、コンピュータ可読媒体 |
Country Status (18)
Country | Link |
---|---|
US (10) | US9769479B2 (ja) |
EP (5) | EP2773118B1 (ja) |
JP (5) | JP5611498B1 (ja) |
KR (7) | KR101947658B1 (ja) |
CN (9) | CN105338346B (ja) |
CY (1) | CY1123669T1 (ja) |
DK (1) | DK2773118T3 (ja) |
ES (1) | ES2828734T3 (ja) |
HK (8) | HK1215638A1 (ja) |
HR (1) | HRP20201980T1 (ja) |
HU (1) | HUE052290T2 (ja) |
LT (1) | LT2773118T (ja) |
MX (4) | MX350187B (ja) |
PL (1) | PL2773118T3 (ja) |
PT (1) | PT2773118T (ja) |
RS (1) | RS61146B1 (ja) |
SI (1) | SI2773118T1 (ja) |
WO (2) | WO2013062193A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020262963A1 (ko) * | 2019-06-24 | 2020-12-30 | 엘지전자 주식회사 | 크로마 블록의 최대 변환 크기 설정을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법 |
Families Citing this family (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8867854B2 (en) | 2008-10-01 | 2014-10-21 | Electronics And Telecommunications Research Institute | Image encoder and decoder using undirectional prediction |
KR101356448B1 (ko) | 2008-10-01 | 2014-02-06 | 한국전자통신연구원 | 예측 모드를 이용한 복호화 장치 |
US11284072B2 (en) | 2010-08-17 | 2022-03-22 | M&K Holdings Inc. | Apparatus for decoding an image |
PL3125553T3 (pl) * | 2010-08-17 | 2018-09-28 | M&K Holdings Inc. | Sposób kodowania trybu intra-predykcji |
PT2773118T (pt) | 2011-10-24 | 2020-09-25 | Innotive Ltd | Método e aparelho para descodificação de imagens |
US9025662B2 (en) * | 2011-10-24 | 2015-05-05 | Infobridge Pte. Ltd. | Image decoding apparatus |
KR20130049525A (ko) * | 2011-11-04 | 2013-05-14 | 오수미 | 잔차 블록 복원을 위한 역변환 방법 |
KR20130049523A (ko) * | 2011-11-04 | 2013-05-14 | 오수미 | 인트라 예측 블록 생성 장치 |
KR20130049526A (ko) | 2011-11-04 | 2013-05-14 | 오수미 | 복원 블록 생성 방법 |
KR20130049522A (ko) * | 2011-11-04 | 2013-05-14 | 오수미 | 인트라 예측 블록 생성 방법 |
CN103220506B (zh) * | 2012-01-19 | 2015-11-25 | 华为技术有限公司 | 一种编解码方法和设备 |
US10841593B2 (en) * | 2015-06-18 | 2020-11-17 | Qualcomm Incorporated | Intra prediction and intra mode coding |
US20160373782A1 (en) * | 2015-06-18 | 2016-12-22 | Qualcomm Incorporated | Intra prediction and intra mode coding |
US11463689B2 (en) | 2015-06-18 | 2022-10-04 | Qualcomm Incorporated | Intra prediction and intra mode coding |
US10142627B2 (en) * | 2015-06-18 | 2018-11-27 | Qualcomm Incorporated | Intra prediction and intra mode coding |
US20160373742A1 (en) * | 2015-06-18 | 2016-12-22 | Qualcomm Incorporated | Intra prediction and intra mode coding |
GB2596496B (en) * | 2015-09-11 | 2022-05-18 | Kt Corp | Method and device for processing video signal |
KR20170058837A (ko) * | 2015-11-19 | 2017-05-29 | 한국전자통신연구원 | 화면내 예측모드 부호화/복호화 방법 및 장치 |
WO2017086746A1 (ko) * | 2015-11-19 | 2017-05-26 | 한국전자통신연구원 | 화면내 예측 모드 부호화/복호화 방법 및 장치 |
EP3410710A4 (en) * | 2016-01-28 | 2019-09-11 | Nippon Hoso Kyokai | CODING DEVICE, DECODING DEVICE AND PROGRAM |
KR102631308B1 (ko) * | 2016-02-16 | 2024-01-30 | 삼성전자주식회사 | 영상을 부호화/복호화 하는 방법 및 그 장치 |
CN105554507B (zh) * | 2016-03-01 | 2018-10-02 | 福州瑞芯微电子股份有限公司 | 一种hevc sao硬件计算装置及方法 |
EP3435673A4 (en) * | 2016-03-24 | 2019-12-25 | Intellectual Discovery Co., Ltd. | VIDEO SIGNAL ENCODING / DECODING METHOD AND APPARATUS |
US10547854B2 (en) * | 2016-05-13 | 2020-01-28 | Qualcomm Incorporated | Neighbor based signaling of intra prediction modes |
CN117201809A (zh) * | 2016-08-01 | 2023-12-08 | 韩国电子通信研究院 | 图像编码/解码方法和装置以及存储比特流的记录介质 |
KR102447450B1 (ko) * | 2016-09-05 | 2022-09-26 | 엘지전자 주식회사 | 영상 부호화/복호화 방법 및 이를 위한 장치 |
CN109691099B (zh) * | 2016-09-13 | 2023-10-27 | 韩国电子通信研究院 | 视频编码/解码方法和装置以及在其中存储比特流的记录介质 |
KR20230070062A (ko) | 2016-10-04 | 2023-05-19 | 주식회사 비원영상기술연구소 | 영상 데이터 부호화/복호화 방법 및 장치 |
US20190253624A1 (en) * | 2017-07-17 | 2019-08-15 | Ki Baek Kim | Image data encoding/decoding method and apparatus |
CN109792521A (zh) * | 2016-10-04 | 2019-05-21 | 韩国电子通信研究院 | 用于对图像进行编码/解码的方法和设备以及存储比特流的记录介质 |
TW201815164A (zh) * | 2016-10-07 | 2018-04-16 | 財團法人工業技術研究院 | 選擇畫面內預測的預測模式的方法、視訊編碼裝置及影像處理設備 |
CN109479144A (zh) * | 2016-10-13 | 2019-03-15 | 富士通株式会社 | 图像编码/解码方法、装置以及图像处理设备 |
KR20180043149A (ko) * | 2016-10-19 | 2018-04-27 | 에스케이텔레콤 주식회사 | 영상 부호화 또는 복호화하기 위한 장치 및 방법 |
CN116916001A (zh) | 2016-10-19 | 2023-10-20 | Sk电信有限公司 | 对视频数据进行编码或解码的设备及发送比特流的方法 |
TWI626558B (zh) * | 2016-10-27 | 2018-06-11 | 富邦金融控股股份有限公司 | 智能合約的實名帳戶建立系統及其方法 |
US11039130B2 (en) * | 2016-10-28 | 2021-06-15 | Electronics And Telecommunications Research Institute | Video encoding/decoding method and apparatus, and recording medium in which bit stream is stored |
CN117041558A (zh) * | 2016-12-07 | 2023-11-10 | 株式会社Kt | 对视频进行解码或编码的方法和存储视频数据的设备 |
EP3552393B1 (en) * | 2016-12-23 | 2023-03-08 | Huawei Technologies Co., Ltd. | An encoding apparatus for signaling an extension directional intra-prediction mode within a set of directional intra-prediction modes |
CN117336474A (zh) * | 2017-01-02 | 2024-01-02 | Lx 半导体科技有限公司 | 图像编码/解码设备以及发送图像数据的设备 |
CN109257608B (zh) * | 2017-07-13 | 2021-11-30 | 华为技术有限公司 | 图像处理方法、设备及系统 |
CN117176958A (zh) * | 2017-11-28 | 2023-12-05 | Lx 半导体科技有限公司 | 图像编码/解码方法、图像数据的传输方法和存储介质 |
CN111602400B (zh) * | 2018-01-15 | 2024-04-19 | 有限公司B1影像技术研究所 | 用于色度分量的帧内预测编码/解码方法和装置 |
KR102618498B1 (ko) | 2018-03-08 | 2023-12-27 | 삼성전자주식회사 | 비디오 복호화 방법 및 장치, 비디오 부호화 방법 및 장치 |
KR20230057481A (ko) * | 2018-03-29 | 2023-04-28 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 블록 단위의 화상 코딩을 위한 인트라 예측 모드 개념 |
US11277644B2 (en) | 2018-07-02 | 2022-03-15 | Qualcomm Incorporated | Combining mode dependent intra smoothing (MDIS) with intra interpolation filter switching |
JP7039731B2 (ja) * | 2018-09-03 | 2022-03-22 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | イントラ予測のための方法及び装置 |
KR20200028856A (ko) * | 2018-09-07 | 2020-03-17 | 김기백 | 인트라 예측을 이용한 영상 부호화/복호화 방법 및 장치 |
KR20200034639A (ko) * | 2018-09-21 | 2020-03-31 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
KR20200041801A (ko) * | 2018-10-12 | 2020-04-22 | 인텔렉추얼디스커버리 주식회사 | 영상 부호화/복호화 방법 및 장치 |
US11303885B2 (en) | 2018-10-25 | 2022-04-12 | Qualcomm Incorporated | Wide-angle intra prediction smoothing and interpolation |
KR20210092829A (ko) | 2019-01-09 | 2021-07-26 | 엘지전자 주식회사 | Mpm 리스트를 사용하는 인트라 예측 기반 영상 코딩 방법 및 장치 |
GB2581139A (en) | 2019-01-31 | 2020-08-12 | Ernst & Young Gmbh | Interactive user interface for time series planning, evaluation and prediction system |
US20220174270A1 (en) * | 2019-03-12 | 2022-06-02 | Lg Electronics Inc. | Method and device for configuring mpm list |
WO2020184966A1 (ko) * | 2019-03-13 | 2020-09-17 | 엘지전자 주식회사 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법 |
AU2020256658A1 (en) | 2019-04-12 | 2021-10-28 | Beijing Bytedance Network Technology Co., Ltd. | Most probable mode list construction for matrix-based intra prediction |
CN114051735A (zh) | 2019-05-31 | 2022-02-15 | 北京字节跳动网络技术有限公司 | 基于矩阵的帧内预测中的一步下采样过程 |
EP3963885A4 (en) | 2019-06-05 | 2022-12-14 | Beijing Bytedance Network Technology Co., Ltd. | DETERMINING CONTEXT FOR MATRIX-BASED INTRAPREDICTION |
US11375220B2 (en) | 2019-11-27 | 2022-06-28 | Tencent America LLC | Method and apparatus for video decoding using a nominal directional mode and an angular offset |
WO2023034629A1 (en) * | 2021-09-05 | 2023-03-09 | Beijing Dajia Internet Information Technology Co., Ltd. | Intra prediction modes signaling |
Family Cites Families (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3954656B2 (ja) * | 1994-09-29 | 2007-08-08 | ソニー株式会社 | 画像符号化装置及び方法 |
KR100750110B1 (ko) * | 2003-04-22 | 2007-08-17 | 삼성전자주식회사 | 4×4인트라 휘도 예측 모드 결정방법 및 장치 |
CN1224270C (zh) * | 2003-09-30 | 2005-10-19 | 清华大学 | 用于宏块组结构的两阶段预测编码的帧内编码帧编码方法 |
JP2006005438A (ja) * | 2004-06-15 | 2006-01-05 | Sony Corp | 画像処理装置およびその方法 |
KR100739714B1 (ko) * | 2005-07-06 | 2007-07-13 | 삼성전자주식회사 | 인트라 예측 모드 결정 방법 및 장치 |
CN100574443C (zh) * | 2005-07-18 | 2009-12-23 | 华为技术有限公司 | 一种确定增强层帧内预测模式的方法和编解码设备 |
KR100678911B1 (ko) | 2005-07-21 | 2007-02-05 | 삼성전자주식회사 | 방향적 인트라 예측의 적용을 확장하여 비디오 신호를인코딩하고 디코딩하는 방법 및 장치 |
RU2369038C1 (ru) * | 2005-11-30 | 2009-09-27 | Кабусики Кайся Тосиба | Способ кодирования изображения/декодирования изображения, устройство кодирования изображения/декодирования изображения |
KR101246294B1 (ko) * | 2006-03-03 | 2013-03-21 | 삼성전자주식회사 | 영상의 인트라 예측 부호화, 복호화 방법 및 장치 |
JP2007243391A (ja) * | 2006-03-07 | 2007-09-20 | Victor Co Of Japan Ltd | 動画像符号化装置 |
JP4958825B2 (ja) | 2008-03-28 | 2012-06-20 | キヤノン株式会社 | 動画像符号化装置及びその制御方法、コンピュータプログラム |
US8761253B2 (en) | 2008-05-28 | 2014-06-24 | Nvidia Corporation | Intra prediction mode search scheme |
CN101605255B (zh) * | 2008-06-12 | 2011-05-04 | 华为技术有限公司 | 一种视频编解码的方法及装置 |
KR101379187B1 (ko) * | 2008-06-23 | 2014-04-15 | 에스케이 텔레콤주식회사 | 블록 변환을 이용한 인트라 예측 방법 및 장치와 그를이용한 영상 부호화/복호화 방법 및 장치 |
KR101458471B1 (ko) | 2008-10-01 | 2014-11-10 | 에스케이텔레콤 주식회사 | 영상 부호화/복호화 방법 및 장치 |
WO2010087157A1 (ja) * | 2009-01-29 | 2010-08-05 | パナソニック株式会社 | 画像符号化方法及び画像復号方法 |
BRPI1008081A2 (pt) | 2009-02-06 | 2017-10-17 | Thomson Licensing | metodos e aparelho para sinalizacao intra-modal implicita e semi-implicita para codificadores e desodificadores de video |
KR101507344B1 (ko) * | 2009-08-21 | 2015-03-31 | 에스케이 텔레콤주식회사 | 가변 길이 부호를 이용한 인트라 예측모드 부호화 방법과 장치, 및 이를 위한기록 매체 |
US8588303B2 (en) * | 2010-03-31 | 2013-11-19 | Futurewei Technologies, Inc. | Multiple predictor sets for intra-frame coding |
US8902978B2 (en) | 2010-05-30 | 2014-12-02 | Lg Electronics Inc. | Enhanced intra prediction mode signaling |
CN108737843B (zh) * | 2010-09-27 | 2022-12-27 | Lg 电子株式会社 | 用于分割块的方法和解码设备 |
US9204155B2 (en) | 2010-09-30 | 2015-12-01 | Futurewei Technologies, Inc. | Multiple predictor set for intra coding with intra mode prediction |
US8923395B2 (en) | 2010-10-01 | 2014-12-30 | Qualcomm Incorporated | Video coding using intra-prediction |
US9025661B2 (en) * | 2010-10-01 | 2015-05-05 | Qualcomm Incorporated | Indicating intra-prediction mode selection for video coding |
US9049444B2 (en) * | 2010-12-22 | 2015-06-02 | Qualcomm Incorporated | Mode dependent scanning of coefficients of a block of video data |
WO2012122495A1 (en) | 2011-03-10 | 2012-09-13 | Huawei Technologies Co., Ltd. | Using multiple prediction sets to encode extended unified directional intra mode numbers for robustness |
US9654785B2 (en) * | 2011-06-09 | 2017-05-16 | Qualcomm Incorporated | Enhanced intra-prediction mode signaling for video coding using neighboring mode |
GB2494468B (en) | 2011-09-12 | 2014-01-15 | Canon Kk | Method and device for encoding or decoding information representing prediction modes |
CN106851300B (zh) | 2011-09-13 | 2020-05-26 | 寰发股份有限公司 | 基于最可能模式的帧内预测模式的方法及装置 |
CN107197309B (zh) | 2011-10-07 | 2020-02-18 | 英迪股份有限公司 | 对视频信号进行解码的方法 |
PT2773118T (pt) | 2011-10-24 | 2020-09-25 | Innotive Ltd | Método e aparelho para descodificação de imagens |
KR20130049525A (ko) | 2011-11-04 | 2013-05-14 | 오수미 | 잔차 블록 복원을 위한 역변환 방법 |
-
2012
- 2012-04-20 PT PT128439650T patent/PT2773118T/pt unknown
- 2012-04-20 CN CN201510725388.6A patent/CN105338346B/zh active Active
- 2012-04-20 CN CN201510727057.6A patent/CN105306933B/zh active Active
- 2012-04-20 EP EP12843965.0A patent/EP2773118B1/en active Active
- 2012-04-20 CN CN201510725338.8A patent/CN105338345B/zh active Active
- 2012-04-20 JP JP2014531700A patent/JP5611498B1/ja active Active
- 2012-04-20 US US14/124,596 patent/US9769479B2/en active Active
- 2012-04-20 US US14/124,611 patent/US9036704B2/en active Active
- 2012-04-20 KR KR1020120041302A patent/KR101947658B1/ko active IP Right Grant
- 2012-04-20 EP EP20196028.3A patent/EP3780623A1/en active Pending
- 2012-04-20 CN CN201510727122.5A patent/CN105338350B/zh active Active
- 2012-04-20 CN CN201510725464.3A patent/CN105338347B/zh active Active
- 2012-04-20 ES ES12843965T patent/ES2828734T3/es active Active
- 2012-04-20 EP EP20196026.7A patent/EP3780622A1/en active Pending
- 2012-04-20 CN CN201510727048.7A patent/CN105306932B/zh active Active
- 2012-04-20 MX MX2014003542A patent/MX350187B/es active IP Right Grant
- 2012-04-20 SI SI201231844T patent/SI2773118T1/sl unknown
- 2012-04-20 CN CN201280047319.9A patent/CN104170379B/zh active Active
- 2012-04-20 KR KR1020120041319A patent/KR20130045154A/ko not_active Application Discontinuation
- 2012-04-20 RS RS20201466A patent/RS61146B1/sr unknown
- 2012-04-20 CN CN201510727109.XA patent/CN105338349B9/zh active Active
- 2012-04-20 WO PCT/KR2012/003078 patent/WO2013062193A1/ko active Application Filing
- 2012-04-20 CN CN201510727107.0A patent/CN105338348B/zh active Active
- 2012-04-20 WO PCT/KR2012/003083 patent/WO2013062197A1/ko active Application Filing
- 2012-04-20 LT LTEP12843965.0T patent/LT2773118T/lt unknown
- 2012-04-20 DK DK12843965.0T patent/DK2773118T3/da active
- 2012-04-20 HU HUE12843965A patent/HUE052290T2/hu unknown
- 2012-04-20 EP EP20196023.4A patent/EP3783899A1/en active Pending
- 2012-04-20 PL PL12843965.0T patent/PL2773118T3/pl unknown
- 2012-04-20 EP EP20195688.5A patent/EP3783898A1/en active Pending
-
2014
- 2014-03-24 MX MX2023004268A patent/MX2023004268A/es unknown
- 2014-03-24 MX MX2023004267A patent/MX2023004267A/es unknown
- 2014-03-24 MX MX2023004266A patent/MX2023004266A/es unknown
- 2014-09-02 JP JP2014177653A patent/JP6006763B2/ja active Active
-
2015
- 2015-04-14 US US14/686,614 patent/US9392284B2/en active Active
- 2015-04-14 US US14/686,607 patent/US9426470B2/en active Active
- 2015-04-14 US US14/686,622 patent/US9445097B2/en not_active Expired - Fee Related
- 2015-04-14 US US14/686,639 patent/US9426471B2/en not_active Expired - Fee Related
-
2016
- 2016-03-28 HK HK16103543.8A patent/HK1215638A1/zh unknown
- 2016-03-28 HK HK16103541.0A patent/HK1215636A1/zh unknown
- 2016-03-28 HK HK16103546.5A patent/HK1215641A1/zh unknown
- 2016-03-28 HK HK16103540.1A patent/HK1215635A1/zh unknown
- 2016-03-28 HK HK16103542.9A patent/HK1215637A1/zh unknown
- 2016-03-28 HK HK16103544.7A patent/HK1215639A1/zh unknown
- 2016-03-28 HK HK16103539.4A patent/HK1215634A1/zh unknown
- 2016-03-28 HK HK16103545.6A patent/HK1215640A1/zh unknown
- 2016-08-12 US US15/235,904 patent/US9912946B2/en active Active
- 2016-09-09 JP JP2016176370A patent/JP6685208B2/ja active Active
-
2018
- 2018-01-25 US US15/880,259 patent/US10341656B2/en active Active
- 2018-05-22 JP JP2018097924A patent/JP6660074B2/ja active Active
-
2019
- 2019-01-14 KR KR1020190004898A patent/KR102292590B1/ko active IP Right Grant
- 2019-01-14 KR KR1020190004897A patent/KR102292589B1/ko active IP Right Grant
- 2019-01-14 KR KR1020190004901A patent/KR102292593B1/ko active IP Right Grant
- 2019-01-14 KR KR1020190004899A patent/KR102292591B1/ko active IP Right Grant
- 2019-01-14 KR KR1020190004900A patent/KR102292592B1/ko active IP Right Grant
- 2019-06-03 US US16/430,085 patent/US10708584B2/en active Active
-
2020
- 2020-02-06 JP JP2020018397A patent/JP6974516B2/ja active Active
- 2020-06-15 US US16/901,871 patent/US11206397B2/en active Active
- 2020-11-11 CY CY20201101062T patent/CY1123669T1/el unknown
- 2020-12-10 HR HRP20201980TT patent/HRP20201980T1/hr unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020262963A1 (ko) * | 2019-06-24 | 2020-12-30 | 엘지전자 주식회사 | 크로마 블록의 최대 변환 크기 설정을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법 |
US11563942B2 (en) | 2019-06-24 | 2023-01-24 | Lg Electronics Inc. | Image encoding/decoding method and apparatus using maximum transform size setting for chroma block, and method for transmitting bitstream |
US11770529B2 (en) | 2019-06-24 | 2023-09-26 | Lg Electronics Inc. | Image encoding/decoding method and apparatus using maximum transform size setting for chroma block, and method for transmitting bitstream |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6660074B2 (ja) | 映像復号化方法及び装置 | |
JP6047614B2 (ja) | 映像復号化装置 | |
JP5846675B2 (ja) | イントラ予測モード復号化方法及び装置 | |
JP5989841B2 (ja) | 映像復号化装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180522 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20190626 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190703 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20190926 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190930 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20191028 |
|
A603 | Late request for extension of time limit during examination |
Free format text: JAPANESE INTERMEDIATE CODE: A603 Effective date: 20191028 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20200107 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200206 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6660074 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |