RU2017100994A - Способ декодирования видеосигнала - Google Patents
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- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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Claims (12)
1. Способ декодирования видеосигнала, включающий:
выбор опорного изображения для текущего блока с использованием опорного индекса текущего блока;
определение опорного блока в опорном изображении с использованием вектора движения текущего блока;
формирование опорных образцов в опорном блоке, причем формирование опорных образцов включает определение первого субобразца на основании интерполяционного фильтра для горизонтальной интерполяции и операции сдвига с использованием первого значения сдвига, причем интерполяционный фильтр для горизонтальной интерполяции применяют к целому образцу в опорном изображении; и определение второго субобразца на основании интерполяционного фильтра для вертикальной интерполяции и операции сдвига с использованием второго значения сдвига, причем интерполяционный фильтр для вертикальной интерполяции применяют к первому субобразцу, а второй субобразец представляет собой один из числа двух образцов в четвертьпиксельном положении и образца в полупиксельном положении, выровненный вертикально под первым субобразцом; и
получение образцов предсказания текущего блока путем использования опорных образцов,
причем коэффициенты интерполяционного фильтра для вертикальной интерполяции, определенные для каждого из указанных двух образцов в четвертьпиксельном положении и образца в полупиксельном положении, отличны друг от друга, и
первое значение сдвига определяют на основании битовой глубины компоненты яркости, а второе значение сдвига представляет собой фиксированное значение.
2. Способ по п. 1, отличающийся тем, что дополнительно включает:
формирование списка кандидатов на слияние для текущего блока, причем указанный список кандидатов на слияние включает множество кандидатов на слияние; и
получение опорного индекса и вектора движения текущего блока с использованием того кандидата на слияние среди множества кандидатов на слияние, который соответствует индексу слияния текущего блока.
3. Способ по п. 2, отличающийся тем, что множество кандидатов на слияние включает соседний в пространстве блок относительно текущего блока и соседний во времени блок относительно текущего блока.
4. Способ по п. 1, отличающийся тем, что количество имеющих ненулевую вещественную часть коэффициентов фильтра для интерполяционного фильтра для вертикальной интерполяции, используемого для определения одного из числа двух образцов в четвертьпиксельном положении и образца в полупиксельном положении, отличается от количества имеющих ненулевую вещественную часть коэффициентов фильтра для интерполяционного фильтра для горизонтальной интерполяции.
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Application Number | Priority Date | Filing Date | Title |
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KR10-2011-0116130 | 2011-11-08 | ||
KR20110116130 | 2011-11-08 | ||
KR1020120123519A KR101569725B1 (ko) | 2011-11-08 | 2012-11-02 | 영상의 부호화 방법 및 장치, 및 복호화 방법 및 장치 |
KR10-2012-0123519 | 2012-11-02 |
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RU2014119544A Division RU2610296C2 (ru) | 2011-11-08 | 2012-11-02 | Способ и устройство для кодирования видеоданных и способ и устройство для декодирования видеоданных |
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RU2017100994A true RU2017100994A (ru) | 2018-12-19 |
RU2017100994A3 RU2017100994A3 (ru) | 2020-01-28 |
RU2718230C2 RU2718230C2 (ru) | 2020-03-31 |
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RU2017100988A RU2647704C1 (ru) | 2011-11-08 | 2012-11-02 | Способ декодирования видеосигнала |
RU2014119544A RU2610296C2 (ru) | 2011-11-08 | 2012-11-02 | Способ и устройство для кодирования видеоданных и способ и устройство для декодирования видеоданных |
RU2017100994A RU2718230C2 (ru) | 2011-11-08 | 2012-11-02 | Способ декодирования видеосигнала |
RU2017100985A RU2643573C1 (ru) | 2011-11-08 | 2012-11-02 | Способ декодирования видеосигнала |
RU2017100984A RU2647705C1 (ru) | 2011-11-08 | 2012-11-02 | Способ декодирования видеосигнала |
RU2017100991A RU2647703C1 (ru) | 2011-11-08 | 2012-11-02 | Способ декодирования видеосигнала |
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RU2017100988A RU2647704C1 (ru) | 2011-11-08 | 2012-11-02 | Способ декодирования видеосигнала |
RU2014119544A RU2610296C2 (ru) | 2011-11-08 | 2012-11-02 | Способ и устройство для кодирования видеоданных и способ и устройство для декодирования видеоданных |
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RU2017100985A RU2643573C1 (ru) | 2011-11-08 | 2012-11-02 | Способ декодирования видеосигнала |
RU2017100984A RU2647705C1 (ru) | 2011-11-08 | 2012-11-02 | Способ декодирования видеосигнала |
RU2017100991A RU2647703C1 (ru) | 2011-11-08 | 2012-11-02 | Способ декодирования видеосигнала |
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US (6) | US9432683B2 (ru) |
KR (10) | KR101569725B1 (ru) |
CN (10) | CN107920249A (ru) |
AU (6) | AU2012336598A1 (ru) |
BR (1) | BR112014012594A8 (ru) |
CA (1) | CA2855027C (ru) |
GB (5) | GB2561514B (ru) |
MX (6) | MX2014005606A (ru) |
PL (1) | PL231918B1 (ru) |
RU (6) | RU2647704C1 (ru) |
WO (1) | WO2013069932A1 (ru) |
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