CA2952607C - Conformance and inoperability improvements in multi-layer video coding - Google Patents
Conformance and inoperability improvements in multi-layer video coding Download PDFInfo
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- CA2952607C CA2952607C CA2952607A CA2952607A CA2952607C CA 2952607 C CA2952607 C CA 2952607C CA 2952607 A CA2952607 A CA 2952607A CA 2952607 A CA2952607 A CA 2952607A CA 2952607 C CA2952607 C CA 2952607C
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Classifications
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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
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- 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
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- 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
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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
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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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
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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
- H04N19/184—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 bits, e.g. of the compressed video stream
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- 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
- H04N19/187—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 a scalable video layer
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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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
- H04N19/188—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 a video data packet, e.g. a network abstraction layer [NAL] unit
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- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
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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)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462016549P | 2014-06-24 | 2014-06-24 | |
| US62/016,549 | 2014-06-24 | ||
| US14/737,898 US10432951B2 (en) | 2014-06-24 | 2015-06-12 | Conformance and inoperability improvements in multi-layer video coding |
| US14/737,898 | 2015-06-12 | ||
| PCT/US2015/035853 WO2015200026A1 (en) | 2014-06-24 | 2015-06-15 | Conformance and inoperability improvements in multi-layer video coding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2952607A1 CA2952607A1 (en) | 2015-12-30 |
| CA2952607C true CA2952607C (en) | 2022-11-29 |
Family
ID=54870867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2952607A Active CA2952607C (en) | 2014-06-24 | 2015-06-15 | Conformance and inoperability improvements in multi-layer video coding |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US10432951B2 (enExample) |
| EP (1) | EP3162068B1 (enExample) |
| JP (1) | JP6549619B2 (enExample) |
| KR (1) | KR102388226B1 (enExample) |
| CN (1) | CN106464922B (enExample) |
| CA (1) | CA2952607C (enExample) |
| ES (1) | ES2714279T3 (enExample) |
| HU (1) | HUE041990T2 (enExample) |
| WO (1) | WO2015200026A1 (enExample) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019208677A1 (ja) * | 2018-04-27 | 2019-10-31 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、復号装置、符号化方法および復号方法 |
| KR20250069705A (ko) * | 2019-02-28 | 2025-05-19 | 엘지전자 주식회사 | Aps 시그널링 기반 비디오 또는 영상 코딩 |
| JP7288071B2 (ja) | 2019-03-02 | 2023-06-06 | 北京字節跳動網絡技術有限公司 | ビデオ処理方法、装置及び記憶媒体 |
| KR20230016712A (ko) * | 2019-03-11 | 2023-02-02 | 엘지전자 주식회사 | 루마 맵핑 및 크로마 스케일링 기반 비디오 또는 영상 코딩 |
| US20220150487A1 (en) * | 2019-03-21 | 2022-05-12 | Kaonmedia Co., Ltd. | Image encoding method, image decoding method, and device for processing picture partitions |
| US11375223B2 (en) * | 2019-09-20 | 2022-06-28 | Tencent America LLC | Method for signaling output layer set with sub-picture |
| IL291689B2 (en) * | 2019-09-24 | 2025-07-01 | Huawei Tech Co Ltd | Hypothetical Source Decoder (HRD) for checking the suitability of output layer sets (OLS) |
| EP4022887A4 (en) | 2019-09-24 | 2022-10-26 | Huawei Technologies Co., Ltd. | SIMULCAST LAYERS FOR MULTIPLE VIEW IN VIDEO ENCODING |
| EP4654573A2 (en) | 2019-09-24 | 2025-11-26 | Huawei Technologies Co., Ltd. | Scalable nesting sei messages for all layers |
| EP4022918B1 (en) | 2019-09-24 | 2025-04-23 | Huawei Technologies Co., Ltd. | Disallowing unnecessary layers in multi-layer video bitstreams |
| WO2021061571A1 (en) | 2019-09-24 | 2021-04-01 | Futurewei Technologies, Inc. | Picture timing and decoding unit information for temporal scalability |
| KR20220069114A (ko) * | 2019-10-07 | 2022-05-26 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 다중 계층 비디오 스트림에서 중복 시그널링의 방지 |
| WO2021117644A1 (en) * | 2019-12-11 | 2021-06-17 | Sharp Kabushiki Kaisha | Systems and methods for signaling output layer set information in video coding |
| CN120455697A (zh) * | 2019-12-13 | 2025-08-08 | 松下电器（美国）知识产权公司 | 编码装置、解码装置、编码方法、解码方法和比特流生成装置 |
| EP4088431A4 (en) | 2020-01-09 | 2023-09-27 | ByteDance Inc. | DECODING THE ORDER OF DIFFERENT SEI MESSAGES |
| KR20220161426A (ko) | 2020-03-30 | 2022-12-06 | 엘지전자 주식회사 | Dpb 파라미터의 개수 정보를 시그널링하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 컴퓨터 판독 가능한 기록 매체 |
| US20230156230A1 (en) * | 2020-03-30 | 2023-05-18 | Lg Electronics Inc. | Image encoding/decoding method and device for signaling information relating to ptl, dpb, and hrd in sps, and computer-readable recording medium storing bitstream |
| KR20220163403A (ko) * | 2020-03-30 | 2022-12-09 | 엘지전자 주식회사 | Dpb 파라미터를 시그널링하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 컴퓨터 판독 가능한 기록 매체 |
| KR20220162741A (ko) * | 2020-03-30 | 2022-12-08 | 엘지전자 주식회사 | Hrd 파라미터를 시그널링하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 컴퓨터 판독 가능한 기록 매체 |
| US12212765B2 (en) | 2020-03-30 | 2025-01-28 | Lg Electronics Inc. | Image decoding method and apparatus |
| US12464131B2 (en) | 2020-04-01 | 2025-11-04 | Lg Electronics Inc. | Image encoding/decoding method and apparatus for determining whether or not to refer to parameter set on basis of output layer set, and method for transmitting bitstream |
| US12155816B2 (en) | 2020-04-02 | 2024-11-26 | Lg Electronics Inc. | Image encoding/decoding method and device for signaling DPB-related information and PTL-related information, and computer-readable recording medium in which bitstream is stored |
| WO2021237181A1 (en) | 2020-05-22 | 2021-11-25 | Bytedance Inc. | Signaling of picture information in access units |
| GEP20257738B (en) | 2020-05-22 | 2025-02-25 | Ge Video Compression Llc | Video encoder, video decoder, methods for encoding and decoding and video data stream for realizing advanced video coding concepts |
| US12262027B2 (en) * | 2020-05-22 | 2025-03-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Processing of output layer sets of coded video |
| EP4140134A4 (en) | 2020-05-22 | 2023-07-12 | ByteDance Inc. | SCALABLE NESTING SEI MESSAGE HANDLING IN A VIDEO PARTIAL BITSTREAM EXTRACTION METHOD |
| WO2021241978A1 (ko) * | 2020-05-25 | 2021-12-02 | 엘지전자 주식회사 | 멀티 레이어 기반 영상 코딩 장치 및 방법 |
| CN116057932A (zh) * | 2020-06-06 | 2023-05-02 | Lg电子株式会社 | 基于层信息信令的图像编码设备和方法 |
| CN115804086A (zh) | 2020-06-08 | 2023-03-14 | 字节跳动有限公司 | 补充增强消息中的子图片级信息信令 |
| BR112022025149A2 (pt) | 2020-06-09 | 2022-12-27 | Bytedance Inc | Método e aparelho de processamento de dados de vídeo, e, meios de armazenamento e de gravação legíveis por computador não transitórios |
| JP7508599B2 (ja) * | 2020-06-09 | 2024-07-01 | バイトダンス インコーポレイテッド | 非スケーラブルネスト化ビデオシンタックス要素におけるシグナリング制約 |
| EP4205399A4 (en) * | 2020-09-25 | 2024-03-06 | Beijing Bytedance Network Technology Co., Ltd. | SUB-BITSTREAM EXTRACTION |
| GB2599171B (en) | 2020-09-29 | 2024-12-11 | Canon Kk | Method and apparatus for encapsulating video data into a file |
| WO2022167977A1 (en) * | 2021-02-05 | 2022-08-11 | Nokia Technologies Oy | High-level syntax for signaling neural networks within a media bitstream |
| WO2022195409A1 (en) * | 2021-03-18 | 2022-09-22 | Nokia Technologies Oy | Method, apparatus and computer program product for end-to-end learned predictive coding of media frames |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1455534A1 (en) | 2003-03-03 | 2004-09-08 | Thomson Licensing S.A. | Scalable encoding and decoding of interlaced digital video data |
| JP4190428B2 (ja) | 2004-01-14 | 2008-12-03 | 株式会社東芝 | データ伝送方法およびデータ伝送機 |
| US20160165230A9 (en) | 2012-04-16 | 2016-06-09 | Texas Instruments Incorporated | Color Component Checksum Computation in Video Coding |
| US9503753B2 (en) | 2012-09-24 | 2016-11-22 | Qualcomm Incorporated | Coded picture buffer arrival and nominal removal times in video coding |
| US9154785B2 (en) | 2012-10-08 | 2015-10-06 | Qualcomm Incorporated | Sub-bitstream applicability to nested SEI messages in video coding |
| US20140301477A1 (en) * | 2013-04-07 | 2014-10-09 | Sharp Laboratories Of America, Inc. | Signaling dpb parameters in vps extension and dpb operation |
| EP3989585A1 (en) * | 2013-10-11 | 2022-04-27 | VID SCALE, Inc. | High level syntax for hevc extensions |
| US10554990B2 (en) * | 2013-10-14 | 2020-02-04 | Nokia Technologies Oy | Apparatus, a method and a computer program for video coding and decoding |
| US20150264404A1 (en) * | 2014-03-17 | 2015-09-17 | Nokia Technologies Oy | Method and apparatus for video coding and decoding |
| US20170150160A1 (en) * | 2014-06-17 | 2017-05-25 | Sharp Kabushiki Kaisha | Bitstream partitions operation |
-
2015
- 2015-06-12 US US14/737,898 patent/US10432951B2/en active Active
- 2015-06-15 CN CN201580033042.8A patent/CN106464922B/zh active Active
- 2015-06-15 JP JP2016574071A patent/JP6549619B2/ja active Active
- 2015-06-15 EP EP15731472.5A patent/EP3162068B1/en active Active
- 2015-06-15 KR KR1020167036054A patent/KR102388226B1/ko active Active
- 2015-06-15 WO PCT/US2015/035853 patent/WO2015200026A1/en not_active Ceased
- 2015-06-15 CA CA2952607A patent/CA2952607C/en active Active
- 2015-06-15 ES ES15731472T patent/ES2714279T3/es active Active
- 2015-06-15 HU HUE15731472A patent/HUE041990T2/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JP6549619B2 (ja) | 2019-07-24 |
| HUE041990T2 (hu) | 2019-06-28 |
| US10432951B2 (en) | 2019-10-01 |
| EP3162068B1 (en) | 2018-12-05 |
| ES2714279T3 (es) | 2019-05-28 |
| JP2017525234A (ja) | 2017-08-31 |
| EP3162068A1 (en) | 2017-05-03 |
| CN106464922B (zh) | 2019-07-30 |
| KR20170023844A (ko) | 2017-03-06 |
| CN106464922A (zh) | 2017-02-22 |
| CA2952607A1 (en) | 2015-12-30 |
| KR102388226B1 (ko) | 2022-04-18 |
| US20150373346A1 (en) | 2015-12-24 |
| WO2015200026A1 (en) | 2015-12-30 |
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| EEER | Examination request |
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