JP7749591B2 - 映像の符号化における参照ピクチャ処理のための方法 - Google Patents
映像の符号化における参照ピクチャ処理のための方法Info
- Publication number
- JP7749591B2 JP7749591B2 JP2022567879A JP2022567879A JP7749591B2 JP 7749591 B2 JP7749591 B2 JP 7749591B2 JP 2022567879 A JP2022567879 A JP 2022567879A JP 2022567879 A JP2022567879 A JP 2022567879A JP 7749591 B2 JP7749591 B2 JP 7749591B2
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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
- H04N19/134—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
- H04N19/10—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
- H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
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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
-
- 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
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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
- H04N19/44—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
- H04N19/50—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
-
- 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
-
- 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)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063028509P | 2020-05-21 | 2020-05-21 | |
| US63/028,509 | 2020-05-21 | ||
| PCT/US2021/033765 WO2021237165A1 (en) | 2020-05-21 | 2021-05-21 | Method for reference picture processing in video coding |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2023526585A JP2023526585A (ja) | 2023-06-22 |
| JPWO2021237165A5 JPWO2021237165A5 (enExample) | 2024-03-22 |
| JP7749591B2 true JP7749591B2 (ja) | 2025-10-06 |
Family
ID=78607550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022567879A Active JP7749591B2 (ja) | 2020-05-21 | 2021-05-21 | 映像の符号化における参照ピクチャ処理のための方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US11533472B2 (enExample) |
| EP (1) | EP4154414A4 (enExample) |
| JP (1) | JP7749591B2 (enExample) |
| KR (1) | KR20230015363A (enExample) |
| CN (4) | CN119052500A (enExample) |
| WO (1) | WO2021237165A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4550787A3 (en) | 2018-08-17 | 2025-07-02 | Huawei Technologies Co., Ltd. | Reference picture management in video coding |
| US12132887B2 (en) * | 2020-03-31 | 2024-10-29 | Sharp Kabushiki Kaisha | Video decoding apparatus, video coding apparatus, video decoding method, and video coding method |
| CN115552907A (zh) * | 2020-03-31 | 2022-12-30 | 北京达佳互联信息技术有限公司 | 用于在视频编解码中用信号通知语法元素的方法和装置 |
| WO2021237181A1 (en) | 2020-05-22 | 2021-11-25 | Bytedance Inc. | Signaling of picture information in access units |
| US12273506B2 (en) * | 2020-05-22 | 2025-04-08 | Lg Electronics Inc. | Multilayer-based image coding method in video or image coding system |
| US12401783B2 (en) * | 2020-05-22 | 2025-08-26 | Lg Electronics Inc. | Method and device for image encoding/decoding based on layer index of ILRP, and recording medium for storing bitstream |
| US20230224483A1 (en) * | 2020-06-09 | 2023-07-13 | Lg Electronics Inc. | Image encoding/decoding method and apparatus for signaling picture output information, and computer-readable recording medium in which bitstream is stored |
| WO2023129744A1 (en) * | 2021-12-30 | 2023-07-06 | Beijing Dajia Internet Information Technology Co., Ltd. | Methods and devices for decoder-side intra mode derivation |
| CN119968844A (zh) * | 2022-10-13 | 2025-05-09 | 瑞典爱立信有限公司 | 帧间预测参考图片列表 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020056164A1 (en) | 2018-09-12 | 2020-03-19 | Futurewei Technologies, Inc. | Signaling a sign value and an absolute value for a delta picture order count |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012033327A2 (ko) * | 2010-09-08 | 2012-03-15 | 엘지전자 주식회사 | 참조 픽쳐 리스트 구성 방법을 포함하는 영상 복호화 방법 및 장치 |
| CN103039076B (zh) * | 2010-09-24 | 2016-03-16 | 松下电器(美国)知识产权公司 | 图像编码方法、图像解码方法、图像编码装置及图像解码装置 |
| US9451284B2 (en) * | 2011-10-10 | 2016-09-20 | Qualcomm Incorporated | Efficient signaling of reference picture sets |
| PL3917140T3 (pl) * | 2012-01-19 | 2023-12-04 | Vid Scale, Inc. | Sposób i urządzenie do sygnalizacji i tworzenia spisów obrazów odniesienia kodowania wideo |
| CN106664424A (zh) * | 2014-01-03 | 2017-05-10 | 诺基亚技术有限公司 | 参数集编码 |
| US10045038B2 (en) * | 2015-05-28 | 2018-08-07 | Hfi Innovation Inc. | Method and apparatus for using a current picture as a reference picture |
| EP4550787A3 (en) * | 2018-08-17 | 2025-07-02 | Huawei Technologies Co., Ltd. | Reference picture management in video coding |
| US20210314624A1 (en) * | 2020-04-02 | 2021-10-07 | Qualcomm Incorporated | Signaling of syntax elements for video data |
-
2021
- 2021-05-21 CN CN202411126559.9A patent/CN119052500A/zh active Pending
- 2021-05-21 WO PCT/US2021/033765 patent/WO2021237165A1/en not_active Ceased
- 2021-05-21 US US17/327,572 patent/US11533472B2/en active Active
- 2021-05-21 CN CN202411126842.1A patent/CN119052501A/zh active Pending
- 2021-05-21 JP JP2022567879A patent/JP7749591B2/ja active Active
- 2021-05-21 CN CN202180031988.6A patent/CN115485981B/zh active Active
- 2021-05-21 KR KR1020227042191A patent/KR20230015363A/ko active Pending
- 2021-05-21 EP EP21809586.7A patent/EP4154414A4/en active Pending
- 2021-05-21 CN CN202411126543.8A patent/CN119052499A/zh active Pending
-
2022
- 2022-11-04 US US18/052,633 patent/US20230156183A1/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020056164A1 (en) | 2018-09-12 | 2020-03-19 | Futurewei Technologies, Inc. | Signaling a sign value and an absolute value for a delta picture order count |
Non-Patent Citations (3)
| Title |
|---|
| Benjamin Bross, Jianle Chen, Shan Liu, and Ye-Kui Wang,Versatile Video Coding (Draft 9),Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,JVET-R2001 (version 1),18th Meeting: by teleconference,2020年04月26日,pp.45-48,63-64,113-119,152-153 |
| Jie Chen, Yan Ye, and Ru-Ling Liao,AHG9: On RPL syntax and semantics,Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 1,JVET-S0096-v1,19th Meeting: by teleconference,2020年05月22日,pp.1-6 |
| Sachin Deshpande,On Reference Picture List Information Signalling,Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,JVET-Q0217-v1,17th Meeting: Brussels,2020年01月,pp.1-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115485981A (zh) | 2022-12-16 |
| CN115485981B (zh) | 2024-09-06 |
| KR20230015363A (ko) | 2023-01-31 |
| EP4154414A4 (en) | 2024-06-26 |
| JP2023526585A (ja) | 2023-06-22 |
| US11533472B2 (en) | 2022-12-20 |
| WO2021237165A1 (en) | 2021-11-25 |
| US20230156183A1 (en) | 2023-05-18 |
| US20210368163A1 (en) | 2021-11-25 |
| EP4154414A1 (en) | 2023-03-29 |
| CN119052501A (zh) | 2024-11-29 |
| CN119052499A (zh) | 2024-11-29 |
| CN119052500A (zh) | 2024-11-29 |
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