RU2016140545A - Способ декодирования видеосигнала - Google Patents
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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
- H04N19/103—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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- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
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- Multimedia (AREA)
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- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Claims (9)
1. Способ декодирования видеосигнала, включающий:
получение разностных коэффициентов преобразования, относящихся к текущему блоку, из видеосигнала;
получение прошедших обратное квантование разностных коэффициентов преобразования посредством выполнения обратного квантования разностных коэффициентов преобразования;
определение на основании информации о режиме обхода при преобразовании, указывающей режим обхода при преобразовании для текущего блока, режима обхода при преобразовании для текущего блока из числа одного или более возможных режимов обхода при преобразовании, при этом один или более возможный режим обхода при преобразовании включает по меньшей мере один режим из числа режима двумерного преобразования, режима горизонтального предсказания, режима вертикального предсказания или режима без преобразования; и
получение на основании определенного таким образом режима обхода при преобразовании разностного блока, относящегося к текущему блоку, посредством использования прошедших обратное квантование разностных коэффициентов преобразования текущего блока,
при этом если определенный таким образом режим обхода при преобразовании является режимом без преобразования, разностный блок получают посредством масштабирования прошедших обратное квантование разностных коэффициентов преобразования с использованием заранее определенного значения.
2. Способ по п. 1, отличающийся тем, что масштабирование выполняют посредством использования операции битового сдвига.
3. Способ по п. 1, отличающийся тем, что индекс режима обхода при преобразовании получают для элемента преобразования, при этом элемент преобразования представляет собой элемент, в котором для текущего блока выполняют обратное преобразование.
4. Способ по п. 1, отличающийся тем, что в режиме двумерного преобразования выполняют как горизонтальное преобразование, так и вертикальное преобразование, в режиме горизонтального преобразования выполняют только горизонтальное преобразование без вертикального преобразования, в режиме вертикального преобразования выполняют только вертикальное преобразование без горизонтального преобразования, в режиме без преобразования не выполняют ни горизонтальное преобразование, ни вертикальное преобразование.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR20110106107 | 2011-10-17 | ||
KR10-2011-0106107 | 2011-10-17 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2014117487A Division RU2606066C2 (ru) | 2011-10-17 | 2012-10-17 | Способ и устройство для кодирования/декодирования видеоданных |
Publications (3)
Publication Number | Publication Date |
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RU2016140545A true RU2016140545A (ru) | 2018-12-14 |
RU2016140545A3 RU2016140545A3 (ru) | 2019-12-26 |
RU2715031C2 RU2715031C2 (ru) | 2020-02-21 |
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Application Number | Title | Priority Date | Filing Date |
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RU2016140538A RU2648607C1 (ru) | 2011-10-17 | 2012-10-17 | Способ декодирования видеосигнала |
RU2014117487A RU2606066C2 (ru) | 2011-10-17 | 2012-10-17 | Способ и устройство для кодирования/декодирования видеоданных |
RU2016140529A RU2646307C1 (ru) | 2011-10-17 | 2012-10-17 | Способ декодирования видеосигнала |
RU2016140530A RU2648605C1 (ru) | 2011-10-17 | 2012-10-17 | Способ декодирования видеосигнала |
RU2016140545A RU2715031C2 (ru) | 2011-10-17 | 2012-10-17 | Способ декодирования видеосигнала |
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RU2016140538A RU2648607C1 (ru) | 2011-10-17 | 2012-10-17 | Способ декодирования видеосигнала |
RU2014117487A RU2606066C2 (ru) | 2011-10-17 | 2012-10-17 | Способ и устройство для кодирования/декодирования видеоданных |
RU2016140529A RU2646307C1 (ru) | 2011-10-17 | 2012-10-17 | Способ декодирования видеосигнала |
RU2016140530A RU2648605C1 (ru) | 2011-10-17 | 2012-10-17 | Способ декодирования видеосигнала |
Country Status (12)
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US (6) | US9560384B2 (ru) |
KR (10) | KR101857109B1 (ru) |
CN (9) | CN107483930B (ru) |
AU (5) | AU2012326873B2 (ru) |
BR (1) | BR112014009403B1 (ru) |
CA (1) | CA2856198C (ru) |
GB (5) | GB2551086B (ru) |
IN (1) | IN2014DN03098A (ru) |
MX (2) | MX2014004777A (ru) |
PL (1) | PL230821B1 (ru) |
RU (5) | RU2648607C1 (ru) |
WO (1) | WO2013058542A1 (ru) |
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FR3086485A1 (fr) * | 2018-09-21 | 2020-03-27 | Orange | Procedes et dispositifs de codage et de decodage d'un flux de donnees representatif d'au moins une image. |
KR20230174294A (ko) * | 2019-01-12 | 2023-12-27 | (주)휴맥스 | 다중 변환 커널을 사용하는 비디오 신호 처리 방법 및 장치 |
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