JP7315702B2 - エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム - Google Patents
エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム Download PDFInfo
- Publication number
- JP7315702B2 JP7315702B2 JP2021560266A JP2021560266A JP7315702B2 JP 7315702 B2 JP7315702 B2 JP 7315702B2 JP 2021560266 A JP2021560266 A JP 2021560266A JP 2021560266 A JP2021560266 A JP 2021560266A JP 7315702 B2 JP7315702 B2 JP 7315702B2
- Authority
- JP
- Japan
- Prior art keywords
- picture
- layer
- flag
- value
- cvs
- 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.)
- Active
Links
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
- H04N19/105—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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
- H04N19/184—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
-
- 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
- H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
-
- 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)
- Compression Or Coding Systems Of Tv Signals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023115405A JP7761341B2 (ja) | 2020-05-20 | 2023-07-13 | エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム |
Applications Claiming Priority (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063027835P | 2020-05-20 | 2020-05-20 | |
| US63/027,835 | 2020-05-20 | ||
| US202063035647P | 2020-06-05 | 2020-06-05 | |
| US63/035,647 | 2020-06-05 | ||
| US202063036342P | 2020-06-08 | 2020-06-08 | |
| US202063036174P | 2020-06-08 | 2020-06-08 | |
| US63/036,174 | 2020-06-08 | ||
| US63/036,342 | 2020-06-08 | ||
| US17/211,236 US11477471B2 (en) | 2020-05-20 | 2021-03-24 | Techniques for signaling combination of reference picture resampling and spatial scalability |
| US17/211,236 | 2021-03-24 | ||
| PCT/US2021/026800 WO2021236257A1 (en) | 2020-05-20 | 2021-04-12 | Techniques for signaling combination of reference picture resampling and spatial scalability |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023115405A Division JP7761341B2 (ja) | 2020-05-20 | 2023-07-13 | エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2022537241A JP2022537241A (ja) | 2022-08-25 |
| JP7315702B2 true JP7315702B2 (ja) | 2023-07-26 |
Family
ID=78608022
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021560266A Active JP7315702B2 (ja) | 2020-05-20 | 2021-04-12 | エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム |
| JP2023115405A Active JP7761341B2 (ja) | 2020-05-20 | 2023-07-13 | エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023115405A Active JP7761341B2 (ja) | 2020-05-20 | 2023-07-13 | エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US11477471B2 (enExample) |
| EP (2) | EP4657859A2 (enExample) |
| JP (2) | JP7315702B2 (enExample) |
| KR (1) | KR20210144885A (enExample) |
| CN (3) | CN114270819B (enExample) |
| AU (3) | AU2021257953B2 (enExample) |
| SG (1) | SG11202111859WA (enExample) |
| WO (1) | WO2021236257A1 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4325849A3 (en) | 2018-11-22 | 2024-04-17 | Beijing Bytedance Network Technology Co., Ltd. | Coordination method for sub-block based inter prediction |
| CN114208184B (zh) | 2019-08-13 | 2025-01-07 | 北京字节跳动网络技术有限公司 | 基于子块的帧间预测中的运动精度 |
| CN114424536A (zh) * | 2019-09-22 | 2022-04-29 | 北京字节跳动网络技术有限公司 | 基于变换单元的组合帧间帧内预测 |
| CN115868167A (zh) | 2020-05-22 | 2023-03-28 | 抖音视界有限公司 | 子比特流提取处理中对编解码视频的处理 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016506687A (ja) | 2013-01-07 | 2016-03-03 | ノキア テクノロジーズ オサケユイチア | ビデオ・コーディングおよびデコーディングのための方法と装置 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8665968B2 (en) | 2009-09-30 | 2014-03-04 | Broadcom Corporation | Method and system for 3D video coding using SVC spatial scalability |
| US8983218B2 (en) * | 2012-04-11 | 2015-03-17 | Texas Instruments Incorporated | Virtual boundary processing simplification for adaptive loop filtering (ALF) in video coding |
| JP6190397B2 (ja) | 2012-07-01 | 2017-08-30 | シャープ株式会社 | パラメータセットにおいて長期参照ピクチャをシグナリングするためのデバイス |
| EP2907318A1 (en) | 2012-10-09 | 2015-08-19 | Cisco Technology, Inc. | Output management of prior decoded pictures at picture format transitions in bitstreams |
| US10499068B2 (en) | 2014-12-31 | 2019-12-03 | Nokia Technologies Oy | Apparatus, a method and a computer program for video coding and decoding |
| US11765349B2 (en) * | 2018-08-31 | 2023-09-19 | Mediatek Inc. | Method and apparatus of in-loop filtering for virtual boundaries |
| US11153583B2 (en) * | 2019-06-07 | 2021-10-19 | Qualcomm Incorporated | Spatial scalability support in video encoding and decoding |
| US11483558B2 (en) | 2019-06-21 | 2022-10-25 | Tencent America LLC | Method for region-wise scalability with adaptive resolution change |
| US11206404B2 (en) * | 2019-07-08 | 2021-12-21 | Fastvdo Llc | Adaptive resolution change in video streams |
| CN117651135A (zh) * | 2019-10-07 | 2024-03-05 | 华为技术有限公司 | 避免多层视频码流中的冗余指示 |
| JP7544843B2 (ja) * | 2020-03-21 | 2024-09-03 | 北京字節跳動網絡技術有限公司 | サブピクチャとスケーラビリティの組み合わせ |
| US11611778B2 (en) * | 2020-05-20 | 2023-03-21 | Sharp Kabushiki Kaisha | Systems and methods for signaling general constraint information in video coding |
-
2021
- 2021-03-24 US US17/211,236 patent/US11477471B2/en active Active
- 2021-04-12 EP EP25208963.6A patent/EP4657859A2/en active Pending
- 2021-04-12 CN CN202180003416.7A patent/CN114270819B/zh active Active
- 2021-04-12 JP JP2021560266A patent/JP7315702B2/ja active Active
- 2021-04-12 CN CN202411338081.6A patent/CN119211527A/zh active Pending
- 2021-04-12 SG SG11202111859WA patent/SG11202111859WA/en unknown
- 2021-04-12 KR KR1020217035881A patent/KR20210144885A/ko not_active Ceased
- 2021-04-12 EP EP21782870.6A patent/EP3939264B1/en active Active
- 2021-04-12 CN CN202411340215.8A patent/CN119211528A/zh active Pending
- 2021-04-12 WO PCT/US2021/026800 patent/WO2021236257A1/en not_active Ceased
- 2021-04-12 AU AU2021257953A patent/AU2021257953B2/en active Active
-
2022
- 2022-08-16 US US17/889,061 patent/US12052431B2/en active Active
-
2023
- 2023-06-09 AU AU2023203644A patent/AU2023203644B2/en active Active
- 2023-07-13 JP JP2023115405A patent/JP7761341B2/ja active Active
-
2025
- 2025-02-05 AU AU2025200772A patent/AU2025200772A1/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016506687A (ja) | 2013-01-07 | 2016-03-03 | ノキア テクノロジーズ オサケユイチア | ビデオ・コーディングおよびデコーディングのための方法と装置 |
Non-Patent Citations (1)
| Title |
|---|
| Benjamin Bross Jianle Chen Shan Liu Ye-Kui Wang,Versatile Video Coding (Draft 9) [online], JVET-R JVET-R2001-vA,ITU-T インターネット<URL:https://jvet-experts.org/doc_end_user/documents/18_Alpbach/wg11/JVET-R2001-v10.zip>,2020年05月15日,pp.100-102, 112 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2023203644B2 (en) | 2024-11-14 |
| AU2023203644A1 (en) | 2023-07-06 |
| JP2022537241A (ja) | 2022-08-25 |
| JP7761341B2 (ja) | 2025-10-28 |
| EP3939264B1 (en) | 2025-11-19 |
| US12052431B2 (en) | 2024-07-30 |
| JP2023134662A (ja) | 2023-09-27 |
| CN114270819A (zh) | 2022-04-01 |
| KR20210144885A (ko) | 2021-11-30 |
| EP3939264A1 (en) | 2022-01-19 |
| CN119211528A (zh) | 2024-12-27 |
| EP4657859A2 (en) | 2025-12-03 |
| US20220400276A1 (en) | 2022-12-15 |
| AU2025200772A1 (en) | 2025-02-20 |
| CN114270819B (zh) | 2024-08-23 |
| US20210368189A1 (en) | 2021-11-25 |
| WO2021236257A1 (en) | 2021-11-25 |
| AU2021257953A1 (en) | 2021-12-09 |
| US20240333953A1 (en) | 2024-10-03 |
| EP3939264A4 (en) | 2023-01-11 |
| SG11202111859WA (en) | 2021-12-30 |
| AU2021257953B2 (en) | 2023-03-09 |
| US11477471B2 (en) | 2022-10-18 |
| CN119211527A (zh) | 2024-12-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7362183B2 (ja) | 出力レイヤセットをサブピクチャでシグナリングするための方法、コンピュータシステム、およびコンピュータプログラム | |
| JP7297919B2 (ja) | 符号化ビデオストリームにおける適応パラメータセット参照および制約のための方法 | |
| US12069269B2 (en) | Systems and methods for encoding a video stream | |
| US11356681B2 (en) | Coded video sub-bitstream extraction | |
| AU2023203628B2 (en) | Techniques for bitstream extraction for subpicture in coded video stream | |
| JP7315702B2 (ja) | エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム | |
| JP7358508B2 (ja) | マルチレイヤビデオストリームのレイヤセット出力のための方法 | |
| JP2022526439A (ja) | 複数のレイヤにパーティション化されたビデオデータを含むコーディングされたビデオストリームをデコードする方法、システム、及びコンピュータプログラム | |
| JP2025156439A (ja) | ビデオデータをコーディングするための方法、装置、およびコンピュータプログラム | |
| US12382075B2 (en) | Derivation on sublayer-wise output layer set | |
| US20220279206A1 (en) | Method for parameter set reference constraints in coded video stream | |
| KR102826416B1 (ko) | 다중 계층화된 비디오 스트림의 서브 계층 수를 지시하기 위한 방법 | |
| JP2022537244A (ja) | 符号化されたビデオストリームを復号するための方法、装置およびコンピュータプログラム | |
| JP7280973B2 (ja) | ビデオデータをコーディングする方法、コンピュータシステム、及びコンピュータプログラム | |
| KR102905752B1 (ko) | 서브계층별 출력 계층 세트에 대한 도출 방법 | |
| JP2022532064A (ja) | コーディングしたビデオストリームにおけるサブピクチャ・パーティション分割を信号通知する方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20211012 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20221122 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230221 |
|
| 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: 20230613 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230713 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 7315702 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |