BR112014004805A2 - dispositivo de codificação, dispositivo de decodificação, método de codificação e método de decodificação - Google Patents
dispositivo de codificação, dispositivo de decodificação, método de codificação e método de decodificaçãoInfo
- Publication number
- BR112014004805A2 BR112014004805A2 BR112014004805A BR112014004805A BR112014004805A2 BR 112014004805 A2 BR112014004805 A2 BR 112014004805A2 BR 112014004805 A BR112014004805 A BR 112014004805A BR 112014004805 A BR112014004805 A BR 112014004805A BR 112014004805 A2 BR112014004805 A2 BR 112014004805A2
- Authority
- BR
- Brazil
- Prior art keywords
- coding
- decoding
- weighting factor
- value
- index
- Prior art date
Links
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
- H04N19/46—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
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image 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
- H04N19/10—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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
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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
- H04N19/182—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 pixel
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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
- H04N19/186—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 colour or a chrominance component
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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
- H04N19/44—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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
- H04N19/45—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
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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
-
- 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
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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
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Error Detection And Correction (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Color Television Systems (AREA)
Abstract
resumo patente de invenção: "método de codificação e método de decodificação". a presente invenção refere-se a um método de codificação de acordo com uma concretização que inclui uma etapa de ajustar índice, uma etapa de prever e uma etapa de codificar. a etapa de ajustar índice ajusta um índice que representa informação de uma imagem de referência e de um fator de ponderação. a etapa de prever prevê que um valor de referência do fator de ponderação seja derivado como um valor previsto, quando uma mudança de valor de pixel entre pelo menos uma imagem de referência e uma imagem alvo a serem codificadas for uma referência específica ou menos. a etapa de codificar codifica um valor de diferença entre o fator de ponderação e o valor previsto.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2011/073852 WO2013057783A1 (ja) | 2011-10-17 | 2011-10-17 | 符号化方法及び復号方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112014004805A2 true BR112014004805A2 (pt) | 2017-03-28 |
BR112014004805B1 BR112014004805B1 (pt) | 2022-05-17 |
Family
ID=48140461
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112014004805-3A BR112014004805B1 (pt) | 2011-10-17 | 2011-10-17 | Método de codificação e método de decodificação |
BR122020003032-1A BR122020003032B1 (pt) | 2011-10-17 | 2011-10-17 | Método de codificação e método de decodificação |
BR122020003041-0A BR122020003041B1 (pt) | 2011-10-17 | 2011-10-17 | Método de codificação, método de decodificação e dispositivo de transferência |
BR122020003071-2A BR122020003071B1 (pt) | 2011-10-17 | 2011-10-17 | Método de decodificação e método de codificação |
BR122020003031-3A BR122020003031B1 (pt) | 2011-10-17 | 2011-10-17 | Método de decodificação e método de codificação |
Family Applications After (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR122020003032-1A BR122020003032B1 (pt) | 2011-10-17 | 2011-10-17 | Método de codificação e método de decodificação |
BR122020003041-0A BR122020003041B1 (pt) | 2011-10-17 | 2011-10-17 | Método de codificação, método de decodificação e dispositivo de transferência |
BR122020003071-2A BR122020003071B1 (pt) | 2011-10-17 | 2011-10-17 | Método de decodificação e método de codificação |
BR122020003031-3A BR122020003031B1 (pt) | 2011-10-17 | 2011-10-17 | Método de decodificação e método de codificação |
Country Status (23)
Country | Link |
---|---|
US (7) | US9521422B2 (pt) |
EP (6) | EP3675498A1 (pt) |
KR (6) | KR102003180B1 (pt) |
CN (5) | CN106791832B (pt) |
AU (5) | AU2011379259B2 (pt) |
BR (5) | BR112014004805B1 (pt) |
CA (1) | CA2847299C (pt) |
CY (2) | CY1123691T1 (pt) |
DK (2) | DK3197164T3 (pt) |
ES (2) | ES2828048T3 (pt) |
HR (2) | HRP20201778T1 (pt) |
HU (2) | HUE053615T2 (pt) |
LT (2) | LT3197164T (pt) |
MX (3) | MX336659B (pt) |
PL (2) | PL3197164T3 (pt) |
PT (2) | PT3217667T (pt) |
RS (2) | RS61338B1 (pt) |
RU (3) | RU2586876C2 (pt) |
SG (1) | SG11201400294SA (pt) |
SI (2) | SI3197164T1 (pt) |
TW (2) | TWI492635B (pt) |
WO (1) | WO2013057783A1 (pt) |
ZA (1) | ZA201401563B (pt) |
Families Citing this family (18)
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WO2012176405A1 (ja) * | 2011-06-20 | 2012-12-27 | 株式会社Jvcケンウッド | 画像符号化装置、画像符号化方法及び画像符号化プログラム、並びに画像復号装置、画像復号方法及び画像復号プログラム |
KR102003180B1 (ko) | 2011-10-17 | 2019-07-23 | 가부시끼가이샤 도시바 | 암호화 방법 및 복호 방법 |
EP3700215B1 (en) | 2012-06-27 | 2021-10-27 | Kabushiki Kaisha Toshiba | Encoding method, decoding method, storage apparatus and transfer apparatus |
US10368072B2 (en) | 2015-05-29 | 2019-07-30 | Qualcomm Incorporated | Advanced arithmetic coder |
KR20170058838A (ko) * | 2015-11-19 | 2017-05-29 | 한국전자통신연구원 | 화면간 예측 향상을 위한 부호화/복호화 방법 및 장치 |
WO2017086738A1 (ko) * | 2015-11-19 | 2017-05-26 | 한국전자통신연구원 | 영상 부호화/복호화 방법 및 장치 |
US10986358B2 (en) | 2016-07-05 | 2021-04-20 | Kt Corporation | Method and apparatus for processing video signal |
WO2018056763A1 (ko) * | 2016-09-23 | 2018-03-29 | 엘지전자(주) | 템플릿 기반 가중치를 이용하여 예측을 수행하는 방법 및 장치 |
RU2715010C1 (ru) * | 2016-09-30 | 2020-02-21 | Хуавей Текнолоджиз Ко., Лтд. | Способ и устройство кодирования и декодирования изображения с использованием межкадрового прогнозирования |
CA3041856A1 (en) * | 2016-12-28 | 2018-07-05 | Sony Corporation | Image processing apparatus and method |
CN107995490A (zh) * | 2017-12-14 | 2018-05-04 | 清华大学 | 信号获取方法及装置 |
KR20230074302A (ko) * | 2018-02-28 | 2023-05-26 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 합성된 예측 및 제한된 병합 |
CN108366242B (zh) * | 2018-03-07 | 2019-12-31 | 绍兴文理学院 | 按视频内容自适应调整色度失真权重因子的视频压缩方法 |
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CN108614778B (zh) * | 2018-05-10 | 2022-08-16 | 天津大学 | 基于高斯过程回归的安卓App程序演化变更预测方法 |
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CN114930836B (zh) * | 2020-01-12 | 2023-12-15 | 华为技术有限公司 | 使用非矩形融合模式协调加权预测的方法和装置 |
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KR102003180B1 (ko) | 2011-10-17 | 2019-07-23 | 가부시끼가이샤 도시바 | 암호화 방법 및 복호 방법 |
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2011
- 2011-10-17 KR KR1020187032784A patent/KR102003180B1/ko active IP Right Grant
- 2011-10-17 ES ES17159161T patent/ES2828048T3/es active Active
- 2011-10-17 CA CA2847299A patent/CA2847299C/en active Active
- 2011-10-17 EP EP20157473.8A patent/EP3675498A1/en active Pending
- 2011-10-17 RU RU2014107490/08A patent/RU2586876C2/ru active
- 2011-10-17 KR KR1020157030535A patent/KR101738289B1/ko active Application Filing
- 2011-10-17 DK DK17159139.9T patent/DK3197164T3/da active
- 2011-10-17 EP EP17159161.3A patent/EP3217667B1/en active Active
- 2011-10-17 RS RS20210069A patent/RS61338B1/sr unknown
- 2011-10-17 AU AU2011379259A patent/AU2011379259B2/en active Active
- 2011-10-17 WO PCT/JP2011/073852 patent/WO2013057783A1/ja active Application Filing
- 2011-10-17 CN CN201710101164.7A patent/CN106791832B/zh active Active
- 2011-10-17 HU HUE17159139A patent/HUE053615T2/hu unknown
- 2011-10-17 PL PL17159139T patent/PL3197164T3/pl unknown
- 2011-10-17 EP EP20157461.3A patent/EP3675497B1/en active Active
- 2011-10-17 CN CN201710101163.2A patent/CN106899847B/zh active Active
- 2011-10-17 EP EP11874283.2A patent/EP2770736B1/en active Active
- 2011-10-17 BR BR112014004805-3A patent/BR112014004805B1/pt active IP Right Grant
- 2011-10-17 CN CN201710259304.3A patent/CN107071415B/zh active Active
- 2011-10-17 ES ES17159139T patent/ES2848525T3/es active Active
- 2011-10-17 SI SI201131947T patent/SI3197164T1/sl unknown
- 2011-10-17 HU HUE17159161A patent/HUE052527T2/hu unknown
- 2011-10-17 RS RS20201321A patent/RS61015B1/sr unknown
- 2011-10-17 KR KR1020177010940A patent/KR101829179B1/ko active IP Right Grant
- 2011-10-17 SI SI201131921T patent/SI3217667T1/sl unknown
- 2011-10-17 CN CN201710259276.5A patent/CN107027026B/zh active Active
- 2011-10-17 EP EP17159139.9A patent/EP3197164B1/en active Active
- 2011-10-17 PT PT171591613T patent/PT3217667T/pt unknown
- 2011-10-17 SG SG11201400294SA patent/SG11201400294SA/en unknown
- 2011-10-17 PL PL17159161T patent/PL3217667T3/pl unknown
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