JPWO2020256048A1 - - Google Patents
Info
- Publication number
- JPWO2020256048A1 JPWO2020256048A1 JP2021526863A JP2021526863A JPWO2020256048A1 JP WO2020256048 A1 JPWO2020256048 A1 JP WO2020256048A1 JP 2021526863 A JP2021526863 A JP 2021526863A JP 2021526863 A JP2021526863 A JP 2021526863A JP WO2020256048 A1 JPWO2020256048 A1 JP WO2020256048A1
- Authority
- JP
- Japan
- 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
Classifications
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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
- H04N19/70—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
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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
- H04N19/10—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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- 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
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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
- H04N19/10—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
- H04N19/134—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
- H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
-
- 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
- H04N19/146—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
-
- 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
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- 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
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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
- H04N19/10—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
- H04N19/177—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 group of pictures [GOP]
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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
- H04N19/10—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
- H04N19/30—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
- H04N19/42—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
- H04N19/423—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
- H04N19/426—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 using memory downsizing methods
-
- 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
- H04N19/60—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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
-
- 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
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2024038795A JP7710555B2 (ja) | 2019-06-18 | 2024-03-13 | 符号化装置、復号装置、符号化方法、復号方法及びビットストリーム生成装置 |
| JP2025115012A JP2025137543A (ja) | 2019-06-18 | 2025-07-08 | 符号化装置、復号装置、符号化方法、復号方法及びビットストリーム生成装置 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962862892P | 2019-06-18 | 2019-06-18 | |
| US62/862,892 | 2019-06-18 | ||
| PCT/JP2020/023903 WO2020256048A1 (ja) | 2019-06-18 | 2020-06-18 | 符号化装置、復号装置、符号化方法、および復号方法 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024038795A Division JP7710555B2 (ja) | 2019-06-18 | 2024-03-13 | 符号化装置、復号装置、符号化方法、復号方法及びビットストリーム生成装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2020256048A1 true JPWO2020256048A1 (https=) | 2020-12-24 |
| JPWO2020256048A5 JPWO2020256048A5 (https=) | 2022-03-14 |
| JP7455829B2 JP7455829B2 (ja) | 2024-03-26 |
Family
ID=74040835
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021526863A Active JP7455829B2 (ja) | 2019-06-18 | 2020-06-18 | 符号化装置、復号装置、符号化方法、および復号方法 |
| JP2024038795A Active JP7710555B2 (ja) | 2019-06-18 | 2024-03-13 | 符号化装置、復号装置、符号化方法、復号方法及びビットストリーム生成装置 |
| JP2025115012A Pending JP2025137543A (ja) | 2019-06-18 | 2025-07-08 | 符号化装置、復号装置、符号化方法、復号方法及びビットストリーム生成装置 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024038795A Active JP7710555B2 (ja) | 2019-06-18 | 2024-03-13 | 符号化装置、復号装置、符号化方法、復号方法及びビットストリーム生成装置 |
| JP2025115012A Pending JP2025137543A (ja) | 2019-06-18 | 2025-07-08 | 符号化装置、復号装置、符号化方法、復号方法及びビットストリーム生成装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (3) | US11936886B2 (https=) |
| JP (3) | JP7455829B2 (https=) |
| KR (1) | KR20220024007A (https=) |
| CN (6) | CN118450146A (https=) |
| BR (1) | BR112021023637A2 (https=) |
| MX (6) | MX2021014185A (https=) |
| WO (1) | WO2020256048A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2021014185A (es) * | 2019-06-18 | 2022-01-06 | Panasonic Ip Corp America | Codificador, decodificador, metodo de codificacion y metodo de decodificacion. |
| US20240373049A1 (en) * | 2023-04-18 | 2024-11-07 | Qualcomm Incorporated | Video decoding engine for parallel decoding of multiple input video streams |
| CN121646915A (zh) * | 2024-07-02 | 2026-03-10 | Lg电子株式会社 | 图像编码方法、图像编码设备、图像解码方法、图像解码设备、发送比特流的方法及存储比特流的记录介质 |
| KR20260007337A (ko) * | 2024-07-02 | 2026-01-13 | 엘지전자 주식회사 | 영상 부호화 방법, 영상 부호화 장치, 영상 복호화 방법, 영상 복호화 장치, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록매체 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008085433A2 (en) * | 2007-01-05 | 2008-07-17 | Thomson Licensing | Hypothetical reference decoder for scalable video coding |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102984544A (zh) * | 2007-01-08 | 2013-03-20 | 汤姆森特许公司 | 用于视频流拼接的方法及装置 |
| US9113172B2 (en) * | 2011-01-14 | 2015-08-18 | Vidyo, Inc. | Techniques for describing temporal coding structure |
| US9565431B2 (en) * | 2012-04-04 | 2017-02-07 | Qualcomm Incorporated | Low-delay video buffering in video coding |
| US9402082B2 (en) * | 2012-04-13 | 2016-07-26 | Sharp Kabushiki Kaisha | Electronic devices for sending a message and buffering a bitstream |
| US9426460B2 (en) | 2012-04-13 | 2016-08-23 | Sharp Kabushiki Kaisha | Electronic devices for signaling multiple initial buffering parameters |
| US9654802B2 (en) * | 2012-09-24 | 2017-05-16 | Qualcomm Incorporated | Sequence level flag for sub-picture level coded picture buffer parameters |
| US9661341B2 (en) * | 2013-01-07 | 2017-05-23 | Microsoft Technology Licensing, Llc | Syntax and semantics for buffering information to simplify video splicing |
| US20150016547A1 (en) * | 2013-07-15 | 2015-01-15 | Sony Corporation | Layer based hrd buffer management for scalable hevc |
| JP5789004B2 (ja) * | 2013-08-09 | 2015-10-07 | ソニー株式会社 | 送信装置、送信方法、受信装置、受信方法、符号化装置および符号化方法 |
| KR102212211B1 (ko) * | 2014-01-03 | 2021-02-04 | 삼성전자주식회사 | 멀티 레이어 비디오의 복호화 및 부호화를 위한 버퍼 관리 방법 및 장치 |
| US10602190B2 (en) * | 2016-05-13 | 2020-03-24 | Sharp Kabushiki Kaisha | Temporal sub-layer descriptor |
| MX2021014185A (es) * | 2019-06-18 | 2022-01-06 | Panasonic Ip Corp America | Codificador, decodificador, metodo de codificacion y metodo de decodificacion. |
| 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) |
-
2020
- 2020-06-18 MX MX2021014185A patent/MX2021014185A/es unknown
- 2020-06-18 CN CN202410678840.7A patent/CN118450146A/zh active Pending
- 2020-06-18 WO PCT/JP2020/023903 patent/WO2020256048A1/ja not_active Ceased
- 2020-06-18 KR KR1020217040635A patent/KR20220024007A/ko active Pending
- 2020-06-18 CN CN202410678835.6A patent/CN118450145A/zh active Pending
- 2020-06-18 BR BR112021023637A patent/BR112021023637A2/pt unknown
- 2020-06-18 CN CN202410678880.1A patent/CN118450147A/zh active Pending
- 2020-06-18 CN CN202410678829.0A patent/CN118433417A/zh active Pending
- 2020-06-18 CN CN202410678828.6A patent/CN118450144A/zh active Pending
- 2020-06-18 JP JP2021526863A patent/JP7455829B2/ja active Active
- 2020-06-18 CN CN202080043964.8A patent/CN114097245B/zh active Active
-
2021
- 2021-11-19 MX MX2024012956A patent/MX2024012956A/es unknown
- 2021-11-19 MX MX2024012959A patent/MX2024012959A/es unknown
- 2021-11-19 MX MX2024012955A patent/MX2024012955A/es unknown
- 2021-11-19 MX MX2024012957A patent/MX2024012957A/es unknown
- 2021-11-19 MX MX2024012958A patent/MX2024012958A/es unknown
- 2021-12-10 US US17/547,608 patent/US11936886B2/en active Active
-
2024
- 2024-02-07 US US18/435,124 patent/US12335498B2/en active Active
- 2024-03-13 JP JP2024038795A patent/JP7710555B2/ja active Active
-
2025
- 2025-05-06 US US19/199,809 patent/US20250274594A1/en active Pending
- 2025-07-08 JP JP2025115012A patent/JP2025137543A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008085433A2 (en) * | 2007-01-05 | 2008-07-17 | Thomson Licensing | Hypothetical reference decoder for scalable video coding |
Non-Patent Citations (1)
| Title |
|---|
| VIRGINIE DRUGEON: "AHG17: Parsing dependency of picture timing SEI message on SPS", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, vol. JVET-O0227, JPN6020034632, June 2019 (2019-06-01), pages 1 - 2, ISSN: 0005275432 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114097245A (zh) | 2022-02-25 |
| WO2020256048A1 (ja) | 2020-12-24 |
| JP2025137543A (ja) | 2025-09-19 |
| CN114097245B (zh) | 2024-06-14 |
| US12335498B2 (en) | 2025-06-17 |
| US20240214589A1 (en) | 2024-06-27 |
| US20220103843A1 (en) | 2022-03-31 |
| CN118450147A (zh) | 2024-08-06 |
| JP7455829B2 (ja) | 2024-03-26 |
| JP7710555B2 (ja) | 2025-07-18 |
| BR112021023637A2 (pt) | 2022-03-29 |
| MX2024012955A (es) | 2024-11-08 |
| CN118450145A (zh) | 2024-08-06 |
| JP2024069422A (ja) | 2024-05-21 |
| CN118433417A (zh) | 2024-08-02 |
| US11936886B2 (en) | 2024-03-19 |
| MX2024012958A (es) | 2024-11-08 |
| KR20220024007A (ko) | 2022-03-03 |
| CN118450144A (zh) | 2024-08-06 |
| MX2024012959A (es) | 2024-11-08 |
| MX2024012956A (es) | 2024-11-08 |
| CN118450146A (zh) | 2024-08-06 |
| MX2021014185A (es) | 2022-01-06 |
| MX2024012957A (es) | 2024-11-08 |
| US20250274594A1 (en) | 2025-08-28 |
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