HRP20231726T1 - Postupak i uređaj za kodiranje sekvence slika i postupak i uređaj za dekodiranje sekvence slika - Google Patents
Postupak i uređaj za kodiranje sekvence slika i postupak i uređaj za dekodiranje sekvence slika Download PDFInfo
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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
- H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
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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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
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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
- H04N19/102—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
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—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
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- 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
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- H04N19/127—Prioritisation of hardware or computational resources
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- 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
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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
- H04N19/169—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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive 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
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- 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
- 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
- H04N19/43—Hardware specially adapted for motion estimation or compensation
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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
- H04N19/42—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
- H04N19/436—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 using parallelised computational arrangements
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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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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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
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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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- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Claims (3)
1. Računalno implementirani postupak za dobivanje bar jednog prediktora informacija o pokretu za kodiranje ili dekodiranje dijela slike pomoću kompenzacije pokreta prema bar jednom referentnom dijelu slike, pri čemu za navedeni dio slike koji treba kodirati ili dekodirati, postupak obuhvaća:
osiguravanje za obradu:
jednog ili više prvih kandidata za prediktora informacije o pokretu koji obuhvaća bar jednog kandidata za vremenski prediktor informacije o pokretu; i
drugih kandidata za prediktore informacije o pokretu koji obuhvaćaju bar jednog kandidata za prostornog prediktora informacije o pokretu i isključuje bilo kojeg kandidata za vremenski prediktor informacije o pokretu, pri čemu bar jedan od navedenih drugih kandidata za prediktora informacije o pokretu sadrži informacije o pokretu bloka gore desno u odnosu na dio slike koji treba kodirati ili dekodirati u slučaju da je raspoloživa informacija o pokretu za blok gore desno;
obradu (808, 809) jednog ili više kandidata za prvi prediktor informacije o pokretu, pri čemu navedena obrada obuhvaća skaliranje navedenog jednog ili više kandidata za prvi prediktor informacije o pokretu;
obradu (808, 815, 817) kandidata za druge prediktore informacije o pokretu; i
dobivanje (819), na osnovu kandidata (818, 814) za prediktore informacije o pokretu koji su rezultat obrade jednog ili više prvih kandidata za prediktore informacije o pokretu i obrade drugih kandidata za prediktore informacije o pokretu, seta (820) kandidata za prediktore informacije o pokretu koji se mogu koristiti za predikciju navedenog dijela slike iz referentnog dijela slike, pri čemu navedeno dobivanje obuhvaća potiskivanje duplikata kandidata za prediktore informacije o pokretu;
pri čemu obrada drugih kandidata za prediktore informacije o pokretu obuhvaća isključivanje jednog ili više duplikata između kandidata za druge prediktore informacije o pokretu, u slučaju gdje su jedan ili više kandidata za druge prediktore informacije o pokretu isti (816), i generiranje (717, 817) jednog ili više dodatnih kandidata za prediktore informacije o pokretu na osnovu jednog ili više kandidata za druge prediktore informacije o pokretu odakle su jedan ili više duplikata bili isključeni.
2. Uređaj za izvođenje bar jednog kandidata za prediktora informacije o pokretu za kodiranje ili dekodiranje dijela slike pomoću kompenzacije pokreta prema bar jednom referentnom dijelu slike, pri čemu uređaj obuhvaća:
osiguravanje sredstva konfiguriranog za dobivanje:
jednog ili više kandidata za prve prediktore informacije o pokretu koji obuhvaćaju bar jednog kandidata za vremenski prediktor informacije o pokretu; i
drugih kandidata za prediktore informacije o pokretu koji obuhvaćaju bar jednog kandidata za prostorni prediktor informacije o pokretu i isključuje bilo kojeg kandidata za vremenski prediktor informacije o pokretu, pri čemu bar jedan od navedenih kandidata za druge prediktore informacije o pokretu obuhvaća informacije o pokretu bloka gore desno u odnosu na dio slike koji se kodira ili dekodira u slučaju da je raspoloživa informacija o pokretu za blok gore desno;
prvo sredstvo (808, 809) za obradu konfigurirano da obrađuje jednog ili više kandidata za prve prediktore informacije o pokretu, pri čemu navedena obrada obuhvaća skaliranje navedenog jednog ili više kandidata za prve prediktore informacije o pokretu; i
drugo sredstvo (808, 815, 817) za obradu konfigurirano da obrađuje druge kandidate za prediktore informacije o pokretu; i
sredstvo (819) za dobivanje seta konfigurirano da se dobije, na osnovu kandidata (818, 814) za prediktore informacije o pokretu koji su rezultat obrade jednog ili više kandidata za prve prediktore informacije o pokretu i obrade kandidata za druge prediktore informacije o pokretu, set (820) kandidata za prediktore informacije o pokretu koji se mogu koristiti za predikciju navedenog dijela slike iz referentnog dijela slike, pri čemu dobivanje navedenog seta obuhvaća potiskivanje duplikata kandidata za prediktore informacije o pokretu;
pri čemu se drugo sredstvo za obradu može implementirati za isključivanje jednog ili više duplikata između kandidata za druge prediktore informacije o pokretu, u slučaju gdje su jedan ili više kandidata za druge prediktore informacije o pokretu isti, i za generiranje jednog ili više dodatnih kandidata za prediktore informacije o pokretu na osnovu jednog ili više kandidata za druge prediktore informacije o pokretu između kojih su jedan ili više duplikata uklonjeni.
3. Kompjuterski program koji sadrži instrukcije koje, kada kompjuter izvršava program, dovode to toga da kompjuter izvršava postupak prema zahtjevu 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1114184.3A GB2493755B (en) | 2011-08-17 | 2011-08-17 | Method and device for encoding a sequence of images and method and device for decoding a sequence of images |
| EP20205750.1A EP3806469B1 (en) | 2011-08-17 | 2012-08-16 | Method and device for encoding a sequence of images and method and device for decoding a sequence of images |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HRP20231726T1 true HRP20231726T1 (hr) | 2024-03-15 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HRP20231726TT HRP20231726T1 (hr) | 2011-08-17 | 2012-08-16 | Postupak i uređaj za kodiranje sekvence slika i postupak i uređaj za dekodiranje sekvence slika |
| HRP20231270TT HRP20231270T1 (hr) | 2011-08-17 | 2012-08-16 | Postupak i uređaj za enkodiranje sekvence slika i postupak i uređaj za dekodiranje sekvence slika |
| HRP20240008TT HRP20240008T1 (hr) | 2011-08-17 | 2012-08-16 | Postupak i uređaj za kodiranje sekvence slika i postupak i uređaj za dekodiranje sekvence slika |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HRP20231270TT HRP20231270T1 (hr) | 2011-08-17 | 2012-08-16 | Postupak i uređaj za enkodiranje sekvence slika i postupak i uređaj za dekodiranje sekvence slika |
| HRP20240008TT HRP20240008T1 (hr) | 2011-08-17 | 2012-08-16 | Postupak i uređaj za kodiranje sekvence slika i postupak i uređaj za dekodiranje sekvence slika |
Country Status (16)
| Country | Link |
|---|---|
| US (7) | US10306256B2 (hr) |
| EP (5) | EP2745515B1 (hr) |
| JP (5) | JP6109170B2 (hr) |
| KR (6) | KR102027721B1 (hr) |
| CN (7) | CN107277545B (hr) |
| BR (2) | BR122020002131B8 (hr) |
| ES (5) | ES2727629T3 (hr) |
| GB (1) | GB2493755B (hr) |
| HR (3) | HRP20231726T1 (hr) |
| HU (5) | HUE063247T2 (hr) |
| PL (5) | PL3806469T3 (hr) |
| PT (3) | PT3806468T (hr) |
| RS (3) | RS64675B1 (hr) |
| RU (5) | RU2643450C1 (hr) |
| TR (1) | TR201908328T4 (hr) |
| WO (1) | WO2013023785A2 (hr) |
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| GB2487197B (en) * | 2011-01-11 | 2015-06-17 | Canon Kk | Video encoding and decoding with improved error resilience |
| GB2493755B (en) | 2011-08-17 | 2016-10-19 | Canon Kk | Method and device for encoding a sequence of images and method and device for decoding a sequence of images |
| US9571833B2 (en) | 2011-11-04 | 2017-02-14 | Nokia Technologies Oy | Method for coding and an apparatus |
| TWI511530B (zh) * | 2014-12-09 | 2015-12-01 | Univ Nat Kaohsiung 1St Univ Sc | Distributed video coding system and decoder for distributed video coding system |
| US10368083B2 (en) * | 2016-02-15 | 2019-07-30 | Qualcomm Incorporated | Picture order count based motion vector pruning |
| US11172203B2 (en) * | 2017-08-08 | 2021-11-09 | Mediatek Inc. | Intra merge prediction |
| CN117336504A (zh) | 2017-12-31 | 2024-01-02 | 华为技术有限公司 | 图像预测方法、装置以及编解码器 |
| WO2019243534A1 (en) * | 2018-06-21 | 2019-12-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Tile shuffling for 360 degree video decoding |
| KR102611261B1 (ko) | 2018-06-29 | 2023-12-08 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 업데이트 대상 lut 또는 비업데이트 lut의 구별 |
| KR102646649B1 (ko) | 2018-06-29 | 2024-03-13 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | Lut에서의 모션 후보들의 검사 순서 |
| BR112020024142A2 (pt) | 2018-06-29 | 2021-03-02 | Beijing Bytedance Network Technology Co., Ltd. | método para processamento de vídeo, aparelho para codificação de dados de vídeo, meio de armazenamento e meio de gravação legíveis por computador não transitório |
| CN110662057B (zh) | 2018-06-29 | 2022-06-21 | 北京字节跳动网络技术有限公司 | 视频处理方法、装置、设备以及存储比特流的方法 |
| KR20240005239A (ko) | 2018-06-29 | 2024-01-11 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | Lut와 amvp 사이의 상호작용 |
| JP7460617B2 (ja) | 2018-06-29 | 2024-04-02 | 北京字節跳動網絡技術有限公司 | Ｌｕｔ更新条件 |
| JP7137008B2 (ja) | 2018-06-29 | 2022-09-13 | 北京字節跳動網絡技術有限公司 | １つまたは複数のルックアップテーブルを使用して、以前コーディングされた動き情報を順に記憶させてそれらを後続のブロックのコーディングに使用する概念 |
| KR20240007299A (ko) | 2018-06-29 | 2024-01-16 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 룩업 테이블의 업데이트: fifo, 제약된 fifo |
| WO2020008350A1 (en) | 2018-07-02 | 2020-01-09 | Beijing Bytedance Network Technology Co., Ltd. | Luts with intra prediction modes and intra mode prediction from non-adjacent blocks |
| TW202025760A (zh) | 2018-09-12 | 2020-07-01 | 大陸商北京字節跳動網絡技術有限公司 | 要檢查多少個hmvp候選 |
| US10958932B2 (en) * | 2018-09-12 | 2021-03-23 | Qualcomm Incorporated | Inter-prediction coding of video data using generated motion vector predictor list including non-adjacent blocks |
| CN109274966A (zh) * | 2018-09-21 | 2019-01-25 | 华中科技大学 | 一种基于运动矢量的监控视频内容去重方法和系统 |
| TWI766214B (zh) | 2018-12-28 | 2022-06-01 | 日商Ｊｖｃ建伍股份有限公司 | 影像編碼裝置、影像編碼方法、影像編碼程式、影像解碼裝置、影像解碼方法及影像解碼程式 |
| WO2020143741A1 (en) | 2019-01-10 | 2020-07-16 | Beijing Bytedance Network Technology Co., Ltd. | Invoke of lut updating |
| CN113383554B (zh) | 2019-01-13 | 2022-12-16 | 北京字节跳动网络技术有限公司 | LUT和共享Merge列表之间的交互 |
| CN113330739A (zh) | 2019-01-16 | 2021-08-31 | 北京字节跳动网络技术有限公司 | Lut中的运动候选的插入顺序 |
| CN113615193A (zh) | 2019-03-22 | 2021-11-05 | 北京字节跳动网络技术有限公司 | Merge列表构建和其他工具之间的交互 |
| CN116156199B (zh) * | 2019-06-07 | 2023-10-03 | 北京达佳互联信息技术有限公司 | 用于视频解码、视频编码的方法、计算设备和存储介质 |
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