CA2952279C - Systems and methods for intra-block copy - Google Patents
Systems and methods for intra-block copy Download PDFInfo
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- CA2952279C CA2952279C CA2952279A CA2952279A CA2952279C CA 2952279 C CA2952279 C CA 2952279C CA 2952279 A CA2952279 A CA 2952279A CA 2952279 A CA2952279 A CA 2952279A CA 2952279 C CA2952279 C CA 2952279C
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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
- H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
- H04N19/17—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
- H04N19/169—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
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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
- H04N19/184—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 bits, e.g. of the compressed video stream
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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
-
- 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
- H04N19/513—Processing of motion vectors
-
- 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
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
-
- 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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Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462014641P | 2014-06-19 | 2014-06-19 | |
| US62/014,641 | 2014-06-19 | ||
| US201562154399P | 2015-04-29 | 2015-04-29 | |
| US62/154,399 | 2015-04-29 | ||
| US14/743,253 | 2015-06-18 | ||
| US14/743,253 US10327002B2 (en) | 2014-06-19 | 2015-06-18 | Systems and methods for intra-block copy |
| PCT/US2015/036610 WO2015196030A1 (en) | 2014-06-19 | 2015-06-19 | Systems and methods for intra-block copy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2952279A1 CA2952279A1 (en) | 2015-12-23 |
| CA2952279C true CA2952279C (en) | 2023-01-03 |
Family
ID=54870870
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2952279A Active CA2952279C (en) | 2014-06-19 | 2015-06-19 | Systems and methods for intra-block copy |
| CA2952457A Active CA2952457C (en) | 2014-06-19 | 2015-06-19 | Systems and methods for intra-block copy |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2952457A Active CA2952457C (en) | 2014-06-19 | 2015-06-19 | Systems and methods for intra-block copy |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US10327001B2 (enExample) |
| EP (2) | EP3158737B1 (enExample) |
| JP (2) | JP6704354B2 (enExample) |
| KR (2) | KR102423948B1 (enExample) |
| CN (2) | CN106416245B (enExample) |
| BR (1) | BR112016029387B1 (enExample) |
| CA (2) | CA2952279C (enExample) |
| ES (2) | ES2774664T3 (enExample) |
| HU (2) | HUE050093T2 (enExample) |
| WO (2) | WO2015196030A1 (enExample) |
Cited By (3)
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| US12238314B2 (en) | 2019-02-02 | 2025-02-25 | Beijing Bytedance Network Technology Co., Ltd. | Prediction using extra-buffer samples for intra block copy in video coding |
| US12301793B2 (en) | 2019-07-10 | 2025-05-13 | Beijing Bytedance Network Technology Co., Ltd. | Sample identification for intra block copy in video coding |
| US12568201B2 (en) | 2019-07-11 | 2026-03-03 | Beijing Bytedance Network Technology Co., Ltd. | Bitstream conformance constraints for intra block copy in video coding |
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| US10327001B2 (en) | 2014-06-19 | 2019-06-18 | Qualcomm Incorporated | Systems and methods for intra-block copy |
| CN105392008B (zh) * | 2014-08-22 | 2018-09-25 | 中兴通讯股份有限公司 | 一种预测编、解码方法和相应的编、解码器和电子设备 |
| CN105430417B (zh) * | 2014-09-22 | 2020-02-07 | 中兴通讯股份有限公司 | 编码方法、解码方法、装置及电子设备 |
| CN113179406B (zh) * | 2015-04-13 | 2023-07-18 | 寰发股份有限公司 | 用于视频数据的视频编解码方法和装置 |
| EP3304906A4 (en) * | 2015-06-03 | 2019-04-17 | MediaTek Inc. | METHOD AND APPARATUS FOR ERROR TREATMENT FOR VIDEO CODING BY INTRABLOCK COPY MODE |
| CN106254878B (zh) * | 2015-06-14 | 2020-06-12 | 同济大学 | 一种图像编码及解码方法、图像处理设备 |
| US10516891B2 (en) * | 2015-11-20 | 2019-12-24 | Intel Corporation | Method and system of reference frame caching for video coding |
| US9959097B2 (en) | 2016-03-09 | 2018-05-01 | Bank Of America Corporation | SVN interface system for heterogeneous development environments |
| US10694202B2 (en) * | 2016-12-01 | 2020-06-23 | Qualcomm Incorporated | Indication of bilateral filter usage in video coding |
| FR3068557A1 (fr) * | 2017-07-05 | 2019-01-04 | Orange | Procede de codage et decodage d'images,dispositif de codage et decodage et programmes d'ordinateur correspondants |
| US10674159B2 (en) | 2017-07-28 | 2020-06-02 | Microsoft Technology Licensing, Llc | Effective intra encoding for screen data |
| US10609384B2 (en) * | 2017-09-21 | 2020-03-31 | Futurewei Technologies, Inc. | Restriction on sub-block size derivation for affine inter prediction |
| US11070847B2 (en) | 2017-12-05 | 2021-07-20 | Qualcomm Incorporated | Intra-prediction with far neighboring pixels |
| US10638137B2 (en) * | 2018-03-07 | 2020-04-28 | Tencent America LLC | Method and apparatus for video coding |
| WO2019234578A1 (en) * | 2018-06-05 | 2019-12-12 | Beijing Bytedance Network Technology Co., Ltd. | Asymmetric weighted bi-predictive merges |
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| TWI731345B (zh) | 2018-06-19 | 2021-06-21 | 大陸商北京字節跳動網絡技術有限公司 | 模式相依運動向量差精確集 |
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| KR102662448B1 (ko) | 2019-02-02 | 2024-05-02 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 비디오 코딩에서 인트라 블록 복사를 위한 버퍼내 데이터 저장 |
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| KR102688366B1 (ko) | 2019-03-01 | 2024-07-24 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 비디오 코딩에서 인트라 블록 복사를 위한 방향 기반 예측 |
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| WO2020185050A1 (ko) * | 2019-03-14 | 2020-09-17 | 에스케이텔레콤 주식회사 | 인트라 블록 복사를 이용하는 영상 부호화 및 복호화 |
| KR102659481B1 (ko) | 2019-03-17 | 2024-04-23 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 광학 흐름에 기초한 예측 정제의 계산 |
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| CN117395397A (zh) | 2019-06-04 | 2024-01-12 | 北京字节跳动网络技术有限公司 | 使用临近块信息的运动候选列表构建 |
| KR20250118245A (ko) * | 2019-06-24 | 2025-08-05 | 엘지전자 주식회사 | 크로마 성분 부호화 블록의 최대 변환 크기 제한을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법 |
| KR102811985B1 (ko) * | 2019-06-24 | 2025-05-23 | 샤프 가부시키가이샤 | 비디오 데이터를 코딩하기 위한 디바이스 및 방법 |
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| US12389022B2 (en) | 2019-02-02 | 2025-08-12 | Beijing Bytedance Network Technology Co., Ltd. | Buffer resetting for intra block copy in video coding |
| US12301793B2 (en) | 2019-07-10 | 2025-05-13 | Beijing Bytedance Network Technology Co., Ltd. | Sample identification for intra block copy in video coding |
| US12568201B2 (en) | 2019-07-11 | 2026-03-03 | Beijing Bytedance Network Technology Co., Ltd. | Bitstream conformance constraints for intra block copy in video coding |
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