WO2018097691A3 - 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 - Google Patents
영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 Download PDFInfo
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- WO2018097691A3 WO2018097691A3 PCT/KR2017/013670 KR2017013670W WO2018097691A3 WO 2018097691 A3 WO2018097691 A3 WO 2018097691A3 KR 2017013670 W KR2017013670 W KR 2017013670W WO 2018097691 A3 WO2018097691 A3 WO 2018097691A3
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- 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
- H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
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- H—ELECTRICITY
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- 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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- 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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- 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
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- 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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
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- 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
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- 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
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- 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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- 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
- H04N19/18—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 set of transform coefficients
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- 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
- H04N19/513—Processing of motion vectors
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
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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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/96—Tree coding, e.g. quad-tree coding
Abstract
본 발명은 영상 부호화 및 복호화 방법에 관한 것이다. 이를 위한 영상 복호화 방법은, 비트스트림을 엔트로피 복호화하여 현재 블록의 변환 계수들을 획득하는 단계, 상기 현재 블록의 변환 계수들의 스캐닝 단위 및 스캐닝 순서를 결정하는 단계, 상기 결정된 스캐닝 단위 및 스캐닝 순서에 기초하여 상기 현재 블록의 변환 계수들을 스캐닝하여 정렬하는 단계 및 상기 정렬된 변환 계수들에 역변환을 수행하는 단계를 포함할 수 있다.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201780073630.3A CN110024399B (zh) | 2016-11-28 | 2017-11-28 | 对图像编码/解码的方法和设备及存储比特流的记录介质 |
US16/461,001 US20190313102A1 (en) | 2016-11-28 | 2017-11-28 | Method and apparatus for encoding/decoding image, and recording medium in which bit stream is stored |
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KR20160159506 | 2016-11-28 | ||
KR10-2016-0159506 | 2016-11-28 |
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Publication Number | Publication Date |
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WO2018097691A2 WO2018097691A2 (ko) | 2018-05-31 |
WO2018097691A3 true WO2018097691A3 (ko) | 2018-07-19 |
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PCT/KR2017/013670 WO2018097691A2 (ko) | 2016-11-28 | 2017-11-28 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
Country Status (3)
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US (1) | US20190313102A1 (ko) |
KR (2) | KR102397475B1 (ko) |
WO (1) | WO2018097691A2 (ko) |
Cited By (1)
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US11695967B2 (en) * | 2018-06-22 | 2023-07-04 | Op Solutions, Llc | Block level geometric partitioning |
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US11032574B2 (en) * | 2018-12-31 | 2021-06-08 | Tencent America LLC | Method and apparatus for video coding |
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WO2020162737A1 (ko) * | 2019-02-08 | 2020-08-13 | 주식회사 윌러스표준기술연구소 | 이차 변환을 이용하는 비디오 신호 처리 방법 및 장치 |
JP7293376B2 (ja) | 2019-02-28 | 2023-06-19 | ヒューマックス・カンパニー・リミテッド | イントラ予測ベースのビデオ信号処理方法及び装置 |
MY189399A (en) | 2019-03-21 | 2022-02-09 | Samsung Electronics Co Ltd | Method and device for encoding video having block size set for each block shape, and method and device for decoding video |
US11616966B2 (en) * | 2019-04-03 | 2023-03-28 | Mediatek Inc. | Interaction between core transform and secondary transform |
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WO2021134303A1 (zh) * | 2019-12-30 | 2021-07-08 | Oppo广东移动通信有限公司 | 变换方法、编码器、解码器以及存储介质 |
CN113643342B (zh) * | 2020-04-27 | 2023-11-14 | 北京达佳互联信息技术有限公司 | 一种图像处理方法、装置、电子设备及存储介质 |
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2017
- 2017-11-28 US US16/461,001 patent/US20190313102A1/en active Pending
- 2017-11-28 KR KR1020170160229A patent/KR102397475B1/ko active IP Right Grant
- 2017-11-28 WO PCT/KR2017/013670 patent/WO2018097691A2/ko active Application Filing
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2022
- 2022-05-09 KR KR1020220056842A patent/KR20220065739A/ko not_active IP Right Cessation
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Publication number | Publication date |
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CN110024399A (zh) | 2019-07-16 |
KR20180061046A (ko) | 2018-06-07 |
KR102397475B1 (ko) | 2022-05-13 |
US20190313102A1 (en) | 2019-10-10 |
WO2018097691A2 (ko) | 2018-05-31 |
KR20220065739A (ko) | 2022-05-20 |
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