JP7536785B2 - 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 - Google Patents
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 Download PDFInfo
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- JP7536785B2 JP7536785B2 JP2021562870A JP2021562870A JP7536785B2 JP 7536785 B2 JP7536785 B2 JP 7536785B2 JP 2021562870 A JP2021562870 A JP 2021562870A JP 2021562870 A JP2021562870 A JP 2021562870A JP 7536785 B2 JP7536785 B2 JP 7536785B2
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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
- H04N19/103—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
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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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
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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
- H04N19/134—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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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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
- H04N19/17—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
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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
- H04N19/188—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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- 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
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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
- H04N19/46—Embedding additional information in the video signal during the compression process
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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
- H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
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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
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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
- H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
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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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- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023199968A JP7633362B2 (ja) | 2020-05-20 | 2023-11-27 | 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 |
| JP2024130815A JP7701526B2 (ja) | 2020-05-20 | 2024-08-07 | 符号化されたビデオストリームにおけるランダム・アクセス・ポイント表示およびピクチャ出力のための技術 |
| JP2025018399A JP2025065343A (ja) | 2020-05-20 | 2025-02-06 | 符号化されたビデオストリームにおけるランダム・アクセス・ポイント表示およびピクチャ出力のための技術 |
| JP2025103942A JP2025126215A (ja) | 2020-05-20 | 2025-06-19 | 符号化されたビデオストリームにおけるランダム・アクセス・ポイント表示およびピクチャ出力のための技術 |
Applications Claiming Priority (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063027826P | 2020-05-20 | 2020-05-20 | |
| US63/027,826 | 2020-05-20 | ||
| US202063035274P | 2020-06-05 | 2020-06-05 | |
| US63/035,274 | 2020-06-05 | ||
| US202063036335P | 2020-06-08 | 2020-06-08 | |
| US63/036,335 | 2020-06-08 | ||
| US202063037903P | 2020-06-11 | 2020-06-11 | |
| US63/037,903 | 2020-06-11 | ||
| US17/320,764 | 2021-05-14 | ||
| US17/320,764 US11558630B2 (en) | 2020-05-20 | 2021-05-14 | Techniques for random access point indication and picture output in coded video stream |
| PCT/US2021/032924 WO2021236610A1 (en) | 2020-05-20 | 2021-05-18 | Techniques for random access point indication and picture output in coded video stream |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023199968A Division JP7633362B2 (ja) | 2020-05-20 | 2023-11-27 | 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 |
| JP2024130815A Division JP7701526B2 (ja) | 2020-05-20 | 2024-08-07 | 符号化されたビデオストリームにおけるランダム・アクセス・ポイント表示およびピクチャ出力のための技術 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2022537244A JP2022537244A (ja) | 2022-08-25 |
| JP7536785B2 true JP7536785B2 (ja) | 2024-08-20 |
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Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021562870A Active JP7536785B2 (ja) | 2020-05-20 | 2021-05-18 | 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 |
| JP2023199968A Active JP7633362B2 (ja) | 2020-05-20 | 2023-11-27 | 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 |
| JP2024130815A Active JP7701526B2 (ja) | 2020-05-20 | 2024-08-07 | 符号化されたビデオストリームにおけるランダム・アクセス・ポイント表示およびピクチャ出力のための技術 |
| JP2025018399A Pending JP2025065343A (ja) | 2020-05-20 | 2025-02-06 | 符号化されたビデオストリームにおけるランダム・アクセス・ポイント表示およびピクチャ出力のための技術 |
| JP2025103942A Pending JP2025126215A (ja) | 2020-05-20 | 2025-06-19 | 符号化されたビデオストリームにおけるランダム・アクセス・ポイント表示およびピクチャ出力のための技術 |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023199968A Active JP7633362B2 (ja) | 2020-05-20 | 2023-11-27 | 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 |
| JP2024130815A Active JP7701526B2 (ja) | 2020-05-20 | 2024-08-07 | 符号化されたビデオストリームにおけるランダム・アクセス・ポイント表示およびピクチャ出力のための技術 |
| JP2025018399A Pending JP2025065343A (ja) | 2020-05-20 | 2025-02-06 | 符号化されたビデオストリームにおけるランダム・アクセス・ポイント表示およびピクチャ出力のための技術 |
| JP2025103942A Pending JP2025126215A (ja) | 2020-05-20 | 2025-06-19 | 符号化されたビデオストリームにおけるランダム・アクセス・ポイント表示およびピクチャ出力のための技術 |
Country Status (7)
| Country | Link |
|---|---|
| EP (2) | EP3942802B1 (enExample) |
| JP (5) | JP7536785B2 (enExample) |
| KR (2) | KR102779997B1 (enExample) |
| CN (3) | CN114287132B (enExample) |
| AU (3) | AU2021257907B2 (enExample) |
| CA (1) | CA3136422A1 (enExample) |
| SG (1) | SG11202111934TA (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024222847A1 (en) * | 2023-04-28 | 2024-10-31 | Douyin Vision Co., Ltd. | Limitation for temporal reference in gdr based video coding |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020037272A1 (en) | 2018-08-17 | 2020-02-20 | Futurewei Technologies, Inc. | Reference picture management in video coding |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3672245A1 (en) * | 2013-04-05 | 2020-06-24 | Samsung Electronics Co., Ltd. | Multi-layer video coding method for random access and device therefor, and multi-layer video decoding method for random access and device therefor |
| US9860529B2 (en) * | 2013-07-16 | 2018-01-02 | Qualcomm Incorporated | Processing illumination compensation for video coding |
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2021
- 2021-05-18 KR KR1020217039637A patent/KR102779997B1/ko active Active
- 2021-05-18 EP EP21786318.2A patent/EP3942802B1/en active Active
- 2021-05-18 KR KR1020257007559A patent/KR20250039498A/ko active Pending
- 2021-05-18 CA CA3136422A patent/CA3136422A1/en active Pending
- 2021-05-18 CN CN202180002968.6A patent/CN114287132B/zh active Active
- 2021-05-18 AU AU2021257907A patent/AU2021257907B2/en active Active
- 2021-05-18 JP JP2021562870A patent/JP7536785B2/ja active Active
- 2021-05-18 CN CN202411192579.6A patent/CN119211526A/zh active Pending
- 2021-05-18 CN CN202411184894.4A patent/CN119211525A/zh active Pending
- 2021-05-18 SG SG11202111934TA patent/SG11202111934TA/en unknown
- 2021-05-18 EP EP25153956.5A patent/EP4521740A3/en active Pending
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2023
- 2023-07-06 AU AU2023204353A patent/AU2023204353B2/en active Active
- 2023-11-27 JP JP2023199968A patent/JP7633362B2/ja active Active
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2024
- 2024-08-07 JP JP2024130815A patent/JP7701526B2/ja active Active
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2025
- 2025-01-03 AU AU2025200032A patent/AU2025200032A1/en active Pending
- 2025-02-06 JP JP2025018399A patent/JP2025065343A/ja active Pending
- 2025-06-19 JP JP2025103942A patent/JP2025126215A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020037272A1 (en) | 2018-08-17 | 2020-02-20 | Futurewei Technologies, Inc. | Reference picture management in video coding |
Non-Patent Citations (4)
| Title |
|---|
| Benjamin Bross et al.,Versatile Video Coding (Draft 9) [online],JVET-R2001-vA,ITU-T インターネット<URL:https://jvet-experts.org/doc_end_user/documents/18_Teleconference/wg11/JVET-R2001-vA.zip>,2020年05月15日,PP.1, 48, 52 |
| Benjamin Bross Jianle Chen Shan Liu Ye-Kui Wang,Versatile Video Coding (Draft 9) [online], JVET-S JVET-R2001-vA,ITU-T インターネット<URL:https://jvet-experts.org/doc_end_user/documents/18_Teleconference/wg11/JVET-R2001-vA.zip>,2020年05月15日,PP.1, 48, 52 |
| Lulin Chen Chih-Wei Hsu Shih-Ta Hsiang Olena Chubach Yu-Wen Huang Shaw-Min Lei No. 1, Dusing 1<SP>st</SP> Rd., Hsinchu City 30078, Taiwan,AHG9: On flag ph_gdr_or_irap_pic_flag [online], JVET-S JVET-S0070-v1,ITU-T インターネット<URL:https://jvet-experts.org/doc_end_user/documents/19_Teleconference/wg11/JVET-S0070-v1.zip>,2020年05月23日,pp.1-4 |
| Lulin Chen et al.,AHG9: On flag ph_gdr_or_irap_pic_flag [online],JVET-S0070-v1,ITU-T インターネット<URL:https://jvet-experts.org/doc_end_user/documents/19_Teleconference/wg11/JVET-S0070-v1.zip>,2020年05月23日,pp.1-4 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2024152789A (ja) | 2024-10-25 |
| EP3942802C0 (en) | 2025-03-05 |
| EP4521740A2 (en) | 2025-03-12 |
| AU2025200032A1 (en) | 2025-01-23 |
| KR20220003091A (ko) | 2022-01-07 |
| CA3136422A1 (en) | 2021-11-20 |
| JP2025126215A (ja) | 2025-08-28 |
| SG11202111934TA (en) | 2021-12-30 |
| CN114287132B (zh) | 2024-07-23 |
| EP3942802B1 (en) | 2025-03-05 |
| CN119211526A (zh) | 2024-12-27 |
| EP3942802A4 (en) | 2022-10-05 |
| AU2023204353B2 (en) | 2024-10-03 |
| JP7633362B2 (ja) | 2025-02-19 |
| KR102779997B1 (ko) | 2025-03-12 |
| CN119211525A (zh) | 2024-12-27 |
| KR20250039498A (ko) | 2025-03-20 |
| CN114287132A (zh) | 2022-04-05 |
| JP2022537244A (ja) | 2022-08-25 |
| JP2024009265A (ja) | 2024-01-19 |
| JP7701526B2 (ja) | 2025-07-01 |
| AU2021257907B2 (en) | 2023-04-06 |
| AU2023204353A1 (en) | 2023-07-27 |
| EP3942802A1 (en) | 2022-01-26 |
| AU2021257907A1 (en) | 2021-12-09 |
| EP4521740A3 (en) | 2025-05-14 |
| JP2025065343A (ja) | 2025-04-17 |
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