JP6209772B2 - シグナリングを用いたビデオデコーダ - Google Patents
シグナリングを用いたビデオデコーダ Download PDFInfo
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- JP6209772B2 JP6209772B2 JP2015533777A JP2015533777A JP6209772B2 JP 6209772 B2 JP6209772 B2 JP 6209772B2 JP 2015533777 A JP2015533777 A JP 2015533777A JP 2015533777 A JP2015533777 A JP 2015533777A JP 6209772 B2 JP6209772 B2 JP 6209772B2
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- picture
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- 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
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/58—Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
-
- 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
- H04N19/169—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
- H04N19/172—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 picture, frame or field
-
- 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
- H04N19/174—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 slice, e.g. a line of blocks or a group of 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
-
- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
-
- 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
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Description
なし。
ここでPicOrderCntValは、現ピクチャのピクチャオーダーカウントである。
Claims (1)
- ビデオビットストリームを復号する方法であって、
前記ビデオビットストリームから参照ピクチャセットパラメータを受信するステップと;
前記参照ピクチャセットに基づきインター予測を用いて現ピクチャを復号するステップと;
将来のインター予測のために参照される前記復号されたピクチャを復号ピクチャバッファに格納するステップと
を含み、
前記参照ピクチャセットは、少なくとも
(a)参照ピクチャのピクチャオーダカウント(POC)の最下位ビット(LSB)の値にそれぞれ基づく、1つ以上の参照ピクチャ識別子であって、最下位ビットの前記値は、選択されたビット数によって表される、1つ以上の参照ピクチャ識別子と;
(b)前記参照ピクチャの前記POCのMSBを決定する後続データが存在するか否かを指定するフラグと
を用いることにより復号され、前記後続データは、以下の条件
(i)前記復号ピクチャバッファにピクチャオーダーカウントをMaxPicOrderCntLsbで割った余りがPocLsbLtに等しい1つより多くの参照ピクチャを有すること、および
(ii)前記条件(i)を満たすピクチャの後、0のTemporalId値を有し、サブストリームのトレイリングピクチャまたは参照ピクチャである復号順で最初のピクチャまでを含む、前記復号順で後続するピクチャ
のうちの1つを満たすピクチャにつき存在する、方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361752937P | 2013-01-15 | 2013-01-15 | |
US61/752,937 | 2013-01-15 | ||
PCT/JP2014/000120 WO2014112354A1 (en) | 2013-01-15 | 2014-01-14 | Video decoder with signaling |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016507910A JP2016507910A (ja) | 2016-03-10 |
JP6209772B2 true JP6209772B2 (ja) | 2017-10-11 |
Family
ID=51165122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015533777A Active JP6209772B2 (ja) | 2013-01-15 | 2014-01-14 | シグナリングを用いたビデオデコーダ |
Country Status (6)
Country | Link |
---|---|
US (4) | US9674524B2 (ja) |
EP (1) | EP2946558B1 (ja) |
JP (1) | JP6209772B2 (ja) |
CN (1) | CN104919803B (ja) |
HK (1) | HK1214708A1 (ja) |
WO (1) | WO2014112354A1 (ja) |
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US10674171B2 (en) * | 2011-09-27 | 2020-06-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Decoders and methods thereof for managing pictures in video decoding process |
WO2014081226A1 (ko) | 2012-11-21 | 2014-05-30 | 엘지전자 주식회사 | 영상 디코딩 방법 및 이를 이용하는 장치 |
KR102270788B1 (ko) * | 2013-01-10 | 2021-06-29 | 삼성전자주식회사 | 멀티 레이어 비디오 부호화 방법 및 장치, 멀티 레이어 비디오 복호화 방법 및 장치 |
EP2946556B1 (en) * | 2013-01-16 | 2016-10-12 | Telefonaktiebolaget LM Ericsson (publ) | Decoder and encoder and methods for coding of a video sequence |
CN105325003B (zh) * | 2013-04-17 | 2019-05-28 | 诺基亚技术有限公司 | 用于视频编码和解码的装置、方法 |
US10645404B2 (en) * | 2014-03-24 | 2020-05-05 | Qualcomm Incorporated | Generic use of HEVC SEI messages for multi-layer codecs |
US9854261B2 (en) | 2015-01-06 | 2017-12-26 | Microsoft Technology Licensing, Llc. | Detecting markers in an encoded video signal |
US10097836B2 (en) * | 2015-09-28 | 2018-10-09 | Samsung Electronics Co., Ltd. | Method and device to mark a reference picture for video coding |
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KR20230169440A (ko) | 2018-08-17 | 2023-12-15 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 비디오 코딩에서의 참조 화상 관리 |
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JP7462679B2 (ja) * | 2019-05-06 | 2024-04-05 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | ビデオ符号化における回復ポイントシグナリング |
MX2022000333A (es) * | 2019-07-08 | 2022-03-17 | Huawei Tech Co Ltd | Manejo de múltiples tamaños de imagen y ventanas de conformidad para el remuestreo de imágenes de referencia en la codificación de video. |
JP2022553128A (ja) * | 2019-09-24 | 2022-12-22 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | マルチレイヤビデオビットストリームにおけるアクセスユニット内の混在したirapおよび非irapピクチャのサポート |
JP2023507911A (ja) | 2019-12-27 | 2023-02-28 | アリババ グループ ホウルディング リミテッド | ピクチャに対して漸進的復号化リフレッシュ処理を行うための方法及びシステム |
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-
2014
- 2014-01-14 EP EP14740916.3A patent/EP2946558B1/en active Active
- 2014-01-14 CN CN201480004787.7A patent/CN104919803B/zh active Active
- 2014-01-14 JP JP2015533777A patent/JP6209772B2/ja active Active
- 2014-01-14 WO PCT/JP2014/000120 patent/WO2014112354A1/en active Application Filing
- 2014-01-15 US US14/156,115 patent/US9674524B2/en active Active
-
2016
- 2016-03-07 HK HK16102573.3A patent/HK1214708A1/zh unknown
- 2016-08-04 US US15/228,597 patent/US10027978B2/en active Active
-
2017
- 2017-04-05 US US15/480,158 patent/US10230979B2/en active Active
-
2019
- 2019-03-08 US US16/297,180 patent/US20190208224A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US10230979B2 (en) | 2019-03-12 |
HK1214708A1 (zh) | 2016-07-29 |
CN104919803A (zh) | 2015-09-16 |
US9674524B2 (en) | 2017-06-06 |
US20140198857A1 (en) | 2014-07-17 |
EP2946558B1 (en) | 2020-04-29 |
JP2016507910A (ja) | 2016-03-10 |
WO2014112354A1 (en) | 2014-07-24 |
US20190208224A1 (en) | 2019-07-04 |
EP2946558A4 (en) | 2016-09-14 |
US10027978B2 (en) | 2018-07-17 |
EP2946558A1 (en) | 2015-11-25 |
CN104919803B (zh) | 2017-09-12 |
US20160345024A1 (en) | 2016-11-24 |
US20170208342A1 (en) | 2017-07-20 |
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