PH12021550624A1 - Method for encoding/decoding image signal and device for same - Google Patents
Method for encoding/decoding image signal and device for sameInfo
- Publication number
- PH12021550624A1 PH12021550624A1 PH12021550624A PH12021550624A PH12021550624A1 PH 12021550624 A1 PH12021550624 A1 PH 12021550624A1 PH 12021550624 A PH12021550624 A PH 12021550624A PH 12021550624 A PH12021550624 A PH 12021550624A PH 12021550624 A1 PH12021550624 A1 PH 12021550624A1
- Authority
- PH
- Philippines
- Prior art keywords
- intra
- current block
- prediction mode
- prediction
- encoding
- Prior art date
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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
- H04N19/50—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
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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
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
-
- 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
- H04N19/103—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
-
- 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
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
-
- 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
- H04N19/124—Quantisation
-
- 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
- H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
-
- 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
- H04N19/60—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20180121713 | 2018-10-12 | ||
| KR20180121757 | 2018-10-12 | ||
| KR20190006611 | 2019-01-18 | ||
| PCT/KR2019/013384 WO2020076125A1 (ko) | 2018-10-12 | 2019-10-11 | 영상 신호 부호화/복호화 방법 및 이를 위한 장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PH12021550624A1 true PH12021550624A1 (en) | 2022-02-14 |
Family
ID=70164224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PH12021550624A PH12021550624A1 (en) | 2018-10-12 | 2021-03-18 | Method for encoding/decoding image signal and device for same |
Country Status (15)
| Country | Link |
|---|---|
| US (6) | US11252403B2 (https=) |
| EP (2) | EP4336830A3 (https=) |
| JP (6) | JP7430716B2 (https=) |
| KR (1) | KR20200041810A (https=) |
| CN (6) | CN113225559B (https=) |
| AU (5) | AU2019358651B2 (https=) |
| BR (1) | BR112021006238A2 (https=) |
| CA (1) | CA3113861C (https=) |
| CL (1) | CL2021000796A1 (https=) |
| IL (4) | IL281823B2 (https=) |
| MX (5) | MX2021003981A (https=) |
| PH (1) | PH12021550624A1 (https=) |
| SG (1) | SG11202103208PA (https=) |
| WO (1) | WO2020076125A1 (https=) |
| ZA (1) | ZA202101991B (https=) |
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| CN117915085A (zh) * | 2018-10-07 | 2024-04-19 | 三星电子株式会社 | 用于编码或解码视频信号的视频信号处理方法和设备 |
| CN113225559B (zh) * | 2018-10-12 | 2023-05-16 | Oppo广东移动通信有限公司 | 视频信号的编码方法和解码方法及其装置 |
| CN116456083B (zh) | 2018-12-25 | 2026-04-07 | Oppo广东移动通信有限公司 | 解码预测方法、装置及计算机存储介质 |
| CN113348671A (zh) | 2019-02-05 | 2021-09-03 | 北京达佳互联信息技术有限公司 | 使用帧内子分区编码模式的视频编码 |
| KR20210114386A (ko) | 2019-02-08 | 2021-09-23 | 주식회사 윌러스표준기술연구소 | 이차 변환을 이용하는 비디오 신호 처리 방법 및 장치 |
| WO2020166977A1 (ko) * | 2019-02-12 | 2020-08-20 | 엘지전자 주식회사 | 비디오 신호를 처리하기 위한 방법 및 장치 |
| CN118694972A (zh) * | 2019-02-28 | 2024-09-24 | 数码士有限公司 | 基于帧内预测的视频信号处理方法和装置 |
| KR20240027865A (ko) * | 2019-03-11 | 2024-03-04 | 닛폰 호소 교카이 | 화상 부호화 장치, 화상 복호 장치 및 프로그램 |
| JP7145793B2 (ja) * | 2019-03-11 | 2022-10-03 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
| CN113748677A (zh) * | 2019-04-27 | 2021-12-03 | 华为技术有限公司 | 编码器、解码器及对应的帧内预测方法 |
| CN113853787B (zh) * | 2019-05-22 | 2023-12-22 | 北京字节跳动网络技术有限公司 | 基于子块使用变换跳过模式 |
| AU2019204437B2 (en) * | 2019-06-24 | 2022-02-03 | Canon Kabushiki Kaisha | Method, apparatus and system for encoding and decoding a block of video samples |
| US11310511B2 (en) * | 2019-10-09 | 2022-04-19 | Tencent America LLC | Method and apparatus for video coding |
| US11671592B2 (en) * | 2019-12-09 | 2023-06-06 | Qualcomm Incorporated | Position-dependent intra-prediction combination for angular intra-prediction modes for video coding |
| WO2022108417A1 (ko) * | 2020-11-23 | 2022-05-27 | 현대자동차주식회사 | 서브블록단위 인트라 예측을 이용하는 영상 부호화 및 복호화 방법과 장치 |
| JP2024509216A (ja) | 2021-03-04 | 2024-02-29 | ヒョンダイ モーター カンパニー | イントラ予測モード誘導を用いるビデオコーディングのためのイントラ予測方法及び装置 |
| US11709352B2 (en) | 2021-03-25 | 2023-07-25 | Trustees Of Boston University | Dark-field mid-infrared photothermal microscopy |
| WO2023277487A1 (ko) * | 2021-06-29 | 2023-01-05 | 주식회사 케이티 | 화면내 예측 기반의 비디오 신호 부호화/복호화 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
| JP7575355B2 (ja) * | 2021-06-29 | 2024-10-29 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
| US12250401B2 (en) * | 2021-06-30 | 2025-03-11 | Tencent America LLC | Harmonized design for offset based refinement and multiple reference line selection |
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| CN116634159A (zh) * | 2023-05-30 | 2023-08-22 | 中星智能系统技术有限公司 | 视频编码方法及装置、视频解码方法及装置 |
| WO2026007086A1 (zh) * | 2024-07-04 | 2026-01-08 | Oppo广东移动通信有限公司 | 编解码方法、编码器、解码器以及存储介质 |
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