BR112022011704A2 - Buffer de imagem decodificador compartilhado para múltiplas camadas - Google Patents
Buffer de imagem decodificador compartilhado para múltiplas camadasInfo
- Publication number
- BR112022011704A2 BR112022011704A2 BR112022011704A BR112022011704A BR112022011704A2 BR 112022011704 A2 BR112022011704 A2 BR 112022011704A2 BR 112022011704 A BR112022011704 A BR 112022011704A BR 112022011704 A BR112022011704 A BR 112022011704A BR 112022011704 A2 BR112022011704 A2 BR 112022011704A2
- Authority
- BR
- Brazil
- Prior art keywords
- layers
- dpb
- layer
- image buffer
- buffer
- Prior art date
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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal 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
- H04N19/10—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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
-
- 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
- H04N19/44—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
- H04N19/70—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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962953394P | 2019-12-24 | 2019-12-24 | |
| US17/128,767 US11785205B2 (en) | 2019-12-24 | 2020-12-21 | Shared decoder picture buffer for multiple layers |
| PCT/US2020/066583 WO2021133788A1 (en) | 2019-12-24 | 2020-12-22 | Shared decoder picture buffer for multiple layers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112022011704A2 true BR112022011704A2 (pt) | 2022-11-22 |
Family
ID=76437336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112022011704A BR112022011704A2 (pt) | 2019-12-24 | 2020-12-22 | Buffer de imagem decodificador compartilhado para múltiplas camadas |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US11785205B2 (https=) |
| EP (1) | EP4082210A1 (https=) |
| JP (1) | JP7609874B2 (https=) |
| KR (1) | KR20220113402A (https=) |
| CN (1) | CN114830673B (https=) |
| BR (1) | BR112022011704A2 (https=) |
| CA (1) | CA3162708A1 (https=) |
| MX (1) | MX2022007862A (https=) |
| TW (1) | TWI855204B (https=) |
| WO (1) | WO2021133788A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021236895A1 (en) * | 2020-05-21 | 2021-11-25 | Bytedance Inc. | Constraints on reference picture information |
| WO2021242716A1 (en) | 2020-05-26 | 2021-12-02 | Bytedance Inc. | Identification of inter-layer reference pictures in coded video |
| EP4154523A4 (en) * | 2020-06-08 | 2023-11-22 | ByteDance Inc. | Constraints of slice count in a coded video picture |
| CN114205615B (zh) * | 2021-12-03 | 2024-02-06 | 北京达佳互联信息技术有限公司 | 解码图像缓存区的管理方法和装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102135986B1 (ko) * | 2012-09-28 | 2020-07-20 | 소니 주식회사 | 화상 처리 장치 및 방법 |
| US9591321B2 (en) * | 2013-04-07 | 2017-03-07 | Dolby International Ab | Signaling change in output layer sets |
| JP2015002495A (ja) * | 2013-06-18 | 2015-01-05 | シャープ株式会社 | 画像復号装置、および画像符号化装置 |
| US20150016500A1 (en) * | 2013-07-11 | 2015-01-15 | Qualcomm Incorporated | Device and method for scalable coding of video information |
| US9819941B2 (en) * | 2013-10-10 | 2017-11-14 | Qualcomm Incorporated | Signaling for sub-decoded picture buffer (sub-DPB) based DPB operations in video coding |
| WO2015052943A1 (en) | 2013-10-13 | 2015-04-16 | Sharp Kabushiki Kaisha | Signaling parameters in vps extension and dpb operation |
| US9942546B2 (en) * | 2013-12-12 | 2018-04-10 | Qualcomm Incorporated | POC value design for multi-layer video coding |
| JP6472449B2 (ja) * | 2014-01-02 | 2019-02-20 | シャープ株式会社 | ビデオシーケンスを復号するための方法 |
| US10250895B2 (en) * | 2014-03-14 | 2019-04-02 | Sharp Kabushiki Kaisha | DPB capacity limits |
| US11303912B2 (en) * | 2018-04-18 | 2022-04-12 | Qualcomm Incorporated | Decoded picture buffer management and dynamic range adjustment |
| US11153583B2 (en) * | 2019-06-07 | 2021-10-19 | Qualcomm Incorporated | Spatial scalability support in video encoding and decoding |
-
2020
- 2020-12-21 US US17/128,767 patent/US11785205B2/en active Active
- 2020-12-22 EP EP20842869.8A patent/EP4082210A1/en active Pending
- 2020-12-22 BR BR112022011704A patent/BR112022011704A2/pt unknown
- 2020-12-22 MX MX2022007862A patent/MX2022007862A/es unknown
- 2020-12-22 CN CN202080088412.9A patent/CN114830673B/zh active Active
- 2020-12-22 JP JP2022537608A patent/JP7609874B2/ja active Active
- 2020-12-22 KR KR1020227020798A patent/KR20220113402A/ko active Pending
- 2020-12-22 WO PCT/US2020/066583 patent/WO2021133788A1/en not_active Ceased
- 2020-12-22 CA CA3162708A patent/CA3162708A1/en active Pending
- 2020-12-23 TW TW109145638A patent/TWI855204B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| EP4082210A1 (en) | 2022-11-02 |
| TWI855204B (zh) | 2024-09-11 |
| WO2021133788A1 (en) | 2021-07-01 |
| US11785205B2 (en) | 2023-10-10 |
| CA3162708A1 (en) | 2021-07-01 |
| TW202131698A (zh) | 2021-08-16 |
| CN114830673A (zh) | 2022-07-29 |
| US20210195175A1 (en) | 2021-06-24 |
| JP7609874B2 (ja) | 2025-01-07 |
| JP2023517428A (ja) | 2023-04-26 |
| CN114830673B (zh) | 2025-11-04 |
| MX2022007862A (es) | 2022-07-19 |
| KR20220113402A (ko) | 2022-08-12 |
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