KR20250167124A - 인코딩 및 디코딩 방법, 장치 및 통신 시스템 - Google Patents
인코딩 및 디코딩 방법, 장치 및 통신 시스템Info
- Publication number
- KR20250167124A KR20250167124A KR1020257038176A KR20257038176A KR20250167124A KR 20250167124 A KR20250167124 A KR 20250167124A KR 1020257038176 A KR1020257038176 A KR 1020257038176A KR 20257038176 A KR20257038176 A KR 20257038176A KR 20250167124 A KR20250167124 A KR 20250167124A
- Authority
- KR
- South Korea
- Prior art keywords
- mip
- current block
- value
- prediction
- shifting
- 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.)
- Pending
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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- 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
- H04N19/102—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
- H04N19/134—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
-
- 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
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962911166P | 2019-10-04 | 2019-10-04 | |
| US62/911,166 | 2019-10-04 | ||
| KR1020217009401A KR20220068950A (ko) | 2019-10-04 | 2020-09-25 | 인코딩 및 디코딩 방법, 장치 및 통신 시스템 |
| PCT/CN2020/117911 WO2021063270A1 (en) | 2019-10-04 | 2020-09-25 | Encoding and decoding method, apparatus and communication system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020217009401A Division KR20220068950A (ko) | 2019-10-04 | 2020-09-25 | 인코딩 및 디코딩 방법, 장치 및 통신 시스템 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20250167124A true KR20250167124A (ko) | 2025-11-28 |
Family
ID=74672054
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020257038176A Pending KR20250167124A (ko) | 2019-10-04 | 2020-09-25 | 인코딩 및 디코딩 방법, 장치 및 통신 시스템 |
| KR1020217009401A Pending KR20220068950A (ko) | 2019-10-04 | 2020-09-25 | 인코딩 및 디코딩 방법, 장치 및 통신 시스템 |
| KR1020257038179A Pending KR20250162962A (ko) | 2019-10-04 | 2020-09-25 | 인코딩 및 디코딩 방법, 장치 및 통신 시스템 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020217009401A Pending KR20220068950A (ko) | 2019-10-04 | 2020-09-25 | 인코딩 및 디코딩 방법, 장치 및 통신 시스템 |
| KR1020257038179A Pending KR20250162962A (ko) | 2019-10-04 | 2020-09-25 | 인코딩 및 디코딩 방법, 장치 및 통신 시스템 |
Country Status (16)
| Country | Link |
|---|---|
| US (2) | US11388407B2 (https=) |
| EP (1) | EP3827591B1 (https=) |
| JP (7) | JP7662514B2 (https=) |
| KR (3) | KR20250167124A (https=) |
| CN (1) | CN112616057B (https=) |
| AU (5) | AU2020327342B2 (https=) |
| BR (1) | BR112021006725A2 (https=) |
| CA (1) | CA3109298C (https=) |
| ES (1) | ES2940075T3 (https=) |
| IL (6) | IL280722B2 (https=) |
| MX (5) | MX2021003414A (https=) |
| MY (1) | MY206379A (https=) |
| PL (1) | PL3827591T3 (https=) |
| SG (1) | SG11202101567TA (https=) |
| WO (1) | WO2021063270A1 (https=) |
| ZA (1) | ZA202101277B (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2020397503B2 (en) * | 2019-12-06 | 2023-11-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Matrix based intra prediction with mode-global settings |
| EP4054193A4 (en) | 2019-12-20 | 2023-01-25 | Sony Group Corporation | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD |
| US20250240413A1 (en) * | 2022-04-21 | 2025-07-24 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Reference picture resampling for video coding |
| CN116777727B (zh) * | 2023-06-21 | 2024-01-09 | 北京忆元科技有限公司 | 存算一体芯片、图像处理方法、电子设备及存储介质 |
| WO2025075438A1 (ko) * | 2023-10-05 | 2025-04-10 | 엘지전자 주식회사 | Mip 기반 영상 부호화/복호화 방법, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록 매체 |
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| US6452969B1 (en) * | 1998-09-28 | 2002-09-17 | Thomson Licensing S.A. | Transform domain inverse motion compensation having fractional pel accuracy |
| US8406299B2 (en) * | 2007-04-17 | 2013-03-26 | Qualcomm Incorporated | Directional transforms for intra-coding |
| US8265144B2 (en) * | 2007-06-30 | 2012-09-11 | Microsoft Corporation | Innovations in video decoder implementations |
| US9648325B2 (en) * | 2007-06-30 | 2017-05-09 | Microsoft Technology Licensing, Llc | Video decoding implementations for a graphics processing unit |
| TWI410139B (zh) * | 2007-09-12 | 2013-09-21 | Sony Corp | Image processing apparatus and image processing method |
| JP5544996B2 (ja) * | 2010-04-09 | 2014-07-09 | ソニー株式会社 | 画像処理装置および方法 |
| KR102086145B1 (ko) * | 2010-12-13 | 2020-03-09 | 한국전자통신연구원 | 인트라 예측 방법 및 그 장치 |
| US20120218432A1 (en) * | 2011-02-28 | 2012-08-30 | Sony Corporation | Recursive adaptive intra smoothing for video coding |
| CN102695061B (zh) | 2011-03-20 | 2015-01-21 | 华为技术有限公司 | 一种权重因子的确定方法和装置,以及一种帧内加权预测方法和装置 |
| WO2012134046A2 (ko) | 2011-04-01 | 2012-10-04 | 주식회사 아이벡스피티홀딩스 | 동영상의 부호화 방법 |
| CN103096056B (zh) * | 2011-11-08 | 2015-11-25 | 华为技术有限公司 | 矩阵编码方法与装置及解码方法与装置 |
| KR20130105114A (ko) * | 2012-03-16 | 2013-09-25 | 주식회사 아이벡스피티홀딩스 | 인트라 예측 모드에서의 영상 복호화 방법 |
| KR101650532B1 (ko) * | 2012-09-28 | 2016-08-23 | 니폰 덴신 덴와 가부시끼가이샤 | 인트라 예측 부호화 방법, 인트라 예측 복호 방법, 인트라 예측 부호화 장치, 인트라 예측 복호 장치, 이들의 프로그램 및 프로그램을 기록한 기록매체 |
| US10397607B2 (en) * | 2013-11-01 | 2019-08-27 | Qualcomm Incorporated | Color residual prediction for video coding |
| US10257528B2 (en) * | 2015-10-08 | 2019-04-09 | Electronics And Telecommunications Research Institute | Method and apparatus for adaptive encoding and decoding based on image quality |
| WO2017082670A1 (ko) * | 2015-11-12 | 2017-05-18 | 엘지전자 주식회사 | 영상 코딩 시스템에서 계수 유도 인트라 예측 방법 및 장치 |
| KR20170058838A (ko) * | 2015-11-19 | 2017-05-29 | 한국전자통신연구원 | 화면간 예측 향상을 위한 부호화/복호화 방법 및 장치 |
| CN108781283B (zh) * | 2016-01-12 | 2022-07-26 | 瑞典爱立信有限公司 | 使用混合帧内预测的视频编码 |
| WO2017173593A1 (en) * | 2016-04-06 | 2017-10-12 | Mediatek Singapore Pte. Ltd. | Separate coding secondary transform syntax elements for different color components |
| EP3453181B1 (en) * | 2016-05-04 | 2025-10-29 | Sharp Kabushiki Kaisha | Methods and apparatuses for coding transform data |
| US10484712B2 (en) * | 2016-06-08 | 2019-11-19 | Qualcomm Incorporated | Implicit coding of reference line index used in intra prediction |
| WO2018026166A1 (ko) * | 2016-08-01 | 2018-02-08 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| US10623737B2 (en) * | 2016-10-04 | 2020-04-14 | Qualcomm Incorporated | Peak sample adaptive offset |
| KR102276265B1 (ko) * | 2016-10-19 | 2021-07-12 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 비디오 신호의 비디오 코딩 블록을 인코딩 및 디코딩하는 장치 및 방법 |
| WO2018134128A1 (en) * | 2017-01-19 | 2018-07-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Filtering of video data using a shared look-up table |
| WO2019098464A1 (ko) * | 2017-11-14 | 2019-05-23 | 삼성전자 주식회사 | 부호화 방법 및 그 장치, 복호화 방법 및 그 장치 |
| WO2019107182A1 (ja) * | 2017-12-01 | 2019-06-06 | ソニー株式会社 | 符号化装置、符号化方法、復号装置、及び、復号方法 |
| KR102769033B1 (ko) * | 2018-03-08 | 2025-02-18 | 삼성전자주식회사 | 비디오 복호화 방법 및 장치, 비디오 부호화 방법 및 장치 |
| CN110278435B (zh) | 2018-03-16 | 2021-11-19 | 华为技术有限公司 | 一种图像块的帧内预测方法及装置 |
| WO2020009514A1 (ko) * | 2018-07-06 | 2020-01-09 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| US11838514B2 (en) * | 2018-08-06 | 2023-12-05 | Electronics And Telecommunications Research Institute | Image encoding/decoding method and device, and recording medium storing bitstream |
| GB2577056B (en) * | 2018-09-11 | 2022-12-14 | British Broadcasting Corp | Bitstream decoder |
| US11134257B2 (en) | 2019-04-04 | 2021-09-28 | Tencent America LLC | Simplified signaling method for affine linear weighted intra prediction mode |
| WO2020249633A1 (en) | 2019-06-14 | 2020-12-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Coding of intra-prediction modes |
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2020
- 2020-08-21 CN CN202010852469.3A patent/CN112616057B/zh active Active
- 2020-09-25 IL IL280722A patent/IL280722B2/en unknown
- 2020-09-25 ES ES20841841T patent/ES2940075T3/es active Active
- 2020-09-25 KR KR1020257038176A patent/KR20250167124A/ko active Pending
- 2020-09-25 KR KR1020217009401A patent/KR20220068950A/ko active Pending
- 2020-09-25 SG SG11202101567TA patent/SG11202101567TA/en unknown
- 2020-09-25 AU AU2020327342A patent/AU2020327342B2/en active Active
- 2020-09-25 WO PCT/CN2020/117911 patent/WO2021063270A1/en not_active Ceased
- 2020-09-25 MX MX2021003414A patent/MX2021003414A/es unknown
- 2020-09-25 EP EP20841841.8A patent/EP3827591B1/en active Active
- 2020-09-25 BR BR112021006725A patent/BR112021006725A2/pt unknown
- 2020-09-25 PL PL20841841.8T patent/PL3827591T3/pl unknown
- 2020-09-25 IL IL326059A patent/IL326059A/en unknown
- 2020-09-25 MY MYPI2021000904A patent/MY206379A/en unknown
- 2020-09-25 CA CA3109298A patent/CA3109298C/en active Active
- 2020-09-25 KR KR1020257038179A patent/KR20250162962A/ko active Pending
- 2020-09-25 JP JP2021516487A patent/JP7662514B2/ja active Active
- 2020-09-25 IL IL321420A patent/IL321420A/en unknown
- 2020-09-25 IL IL326060A patent/IL326060A/en unknown
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2021
- 2021-02-25 ZA ZA2021/01277A patent/ZA202101277B/en unknown
- 2021-03-23 MX MX2024011656A patent/MX2024011656A/es unknown
- 2021-03-23 MX MX2024011655A patent/MX2024011655A/es unknown
- 2021-03-23 MX MX2024011658A patent/MX2024011658A/es unknown
- 2021-03-23 MX MX2024011657A patent/MX2024011657A/es unknown
- 2021-04-12 US US17/228,558 patent/US11388407B2/en active Active
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2022
- 2022-05-03 US US17/661,859 patent/US11785221B2/en active Active
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2024
- 2024-11-27 JP JP2024206097A patent/JP7752228B2/ja active Active
- 2024-11-27 JP JP2024206098A patent/JP7755030B2/ja active Active
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2025
- 2025-04-02 JP JP2025061361A patent/JP7834912B2/ja active Active
- 2025-06-10 IL IL321419A patent/IL321419B1/en unknown
- 2025-06-10 IL IL321418A patent/IL321418B1/en unknown
- 2025-10-02 JP JP2025166489A patent/JP2026004482A/ja active Pending
- 2025-12-17 JP JP2025260625A patent/JP2026048876A/ja active Pending
- 2025-12-17 JP JP2025260626A patent/JP2026048877A/ja active Pending
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2026
- 2026-02-05 AU AU2026200827A patent/AU2026200827A1/en active Pending
- 2026-02-05 AU AU2026200826A patent/AU2026200826A1/en active Pending
- 2026-02-05 AU AU2026200825A patent/AU2026200825A1/en active Pending
- 2026-02-05 AU AU2026200828A patent/AU2026200828A1/en active Pending
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