RU2015116285A - Способ и устройство для выполнения интерполяции на основе преобразования и обратного преобразования - Google Patents
Способ и устройство для выполнения интерполяции на основе преобразования и обратного преобразования Download PDFInfo
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Abstract
1.Устройство для компенсации движения, причем упомянутое устройство содержит:процессор, который сконфигурирован для определения в яркостном опорном снимке яркостного опорного блока для предсказания текущего блока посредством использования яркостного вектора движения, генерации дискрета яркости 2/4-пиксельного местоположения посредством применения фильтра интерполяции с 8 выводами к дискретам яркости целочисленного пиксельного местоположения яркостного опорного снимка; и генерации дискрета яркости 1/4-пиксельного местоположения или 3/4-пиксельного местоположения, включенного в яркостный опорный блок, посредством применения фильтра интерполяции к дискретам яркости целочисленного пиксельного местоположения яркостного опорного снимка без использования сгенерированного дискрета яркости 2/4-пиксельного местоположения,при этом процессор сконфигурирован для определения в хроматическом опорном снимке хроматического опорного блока для предсказания текущего блока посредством использования хроматического вектора движения; и генерации дискрета хроматичности 4/8-пиксельного местоположения, включенного в хроматический опорный блок, посредством применения фильтра интерполяции с 4 выводами к дискретам хроматичности целочисленного пиксельного местоположения хроматического опорного снимка;причем фильтр интерполяции с 8 выводами содержит восемь коэффициентов фильтра, ифильтр интерполяции с 4 выводами содержит четыре коэффициента фильтра.2. Устройство по п. 1, в котором процессор сконфигурирован для масштабирования дискрета яркости, сгенерированного применением фильтра интерполяции с 8 выводами посред�
Claims (3)
1.Устройство для компенсации движения, причем упомянутое устройство содержит:
процессор, который сконфигурирован для определения в яркостном опорном снимке яркостного опорного блока для предсказания текущего блока посредством использования яркостного вектора движения, генерации дискрета яркости 2/4-пиксельного местоположения посредством применения фильтра интерполяции с 8 выводами к дискретам яркости целочисленного пиксельного местоположения яркостного опорного снимка; и генерации дискрета яркости 1/4-пиксельного местоположения или 3/4-пиксельного местоположения, включенного в яркостный опорный блок, посредством применения фильтра интерполяции к дискретам яркости целочисленного пиксельного местоположения яркостного опорного снимка без использования сгенерированного дискрета яркости 2/4-пиксельного местоположения,
при этом процессор сконфигурирован для определения в хроматическом опорном снимке хроматического опорного блока для предсказания текущего блока посредством использования хроматического вектора движения; и генерации дискрета хроматичности 4/8-пиксельного местоположения, включенного в хроматический опорный блок, посредством применения фильтра интерполяции с 4 выводами к дискретам хроматичности целочисленного пиксельного местоположения хроматического опорного снимка;
причем фильтр интерполяции с 8 выводами содержит восемь коэффициентов фильтра, и
фильтр интерполяции с 4 выводами содержит четыре коэффициента фильтра.
2. Устройство по п. 1, в котором процессор сконфигурирован для масштабирования дискрета яркости, сгенерированного применением фильтра интерполяции с 8 выводами посредством использования коэффициента масштабирования яркости, чтобы сумма коэффициентов фильтра интерполяции с 8 выводами составляла 1,
при этом коэффициент масштабирования яркости составляет 64.
3. Устройство по п. 1, в котором
изображение разделяется на множество максимальных блоков кодирования,
максимальный блок кодирования из множества максимальных блоков кодирования иерархически разделяется на один или более блоков кодирования глубин, включающих в себя по меньшей мере одну из текущей глубины и меньшей глубины, согласно информации разделения, указывающей разделять ли блок кодирования,
когда информация разделения указывает разделение для текущей глубины, то блок кодирования текущей глубины разделяется на четыре блока кодирования меньшей глубины независимо от соседних блоков кодирования, и
когда информация разделения указывает неразделение для текущей глубины, то из блоков кодирования текущей глубины получают блоки предсказания.
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KR1020100095956A KR101682147B1 (ko) | 2010-04-05 | 2010-10-01 | 변환 및 역변환에 기초한 보간 방법 및 장치 |
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RU2015116277A RU2612612C2 (ru) | 2010-04-05 | 2011-04-05 | Способ и устройство для выполнения интерполяции на основе преобразования и обратного преобразования |
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RU2015116169A RU2612611C2 (ru) | 2010-04-05 | 2011-04-05 | Способ и устройство для выполнения интерполяции на основе преобразования и обратного преобразования |
RU2012146739/08A RU2580057C2 (ru) | 2010-04-05 | 2011-04-05 | Способ и устройство для выполнения интерполяции на основе преобразования и обратного преобразования |
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RU2015116277A RU2612612C2 (ru) | 2010-04-05 | 2011-04-05 | Способ и устройство для выполнения интерполяции на основе преобразования и обратного преобразования |
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EP (1) | EP2556675A4 (ru) |
JP (2) | JP2013524678A (ru) |
KR (6) | KR101682147B1 (ru) |
CN (5) | CN105955933B (ru) |
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CA (5) | CA2887942C (ru) |
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KR101682147B1 (ko) | 2010-04-05 | 2016-12-05 | 삼성전자주식회사 | 변환 및 역변환에 기초한 보간 방법 및 장치 |
KR101686945B1 (ko) * | 2010-07-09 | 2016-12-15 | 삼성전자주식회사 | 영상 보간 방법 및 장치 |
US8848779B2 (en) * | 2010-07-15 | 2014-09-30 | Sharp Laboratories Of America, Inc. | Method of parallel video coding based on block size |
US8873617B2 (en) * | 2010-07-15 | 2014-10-28 | Sharp Laboratories Of America, Inc. | Method of parallel video coding based on same sized blocks |
US8855188B2 (en) * | 2010-07-15 | 2014-10-07 | Sharp Laboratories Of America, Inc. | Method of parallel video coding based on mapping |
US9172972B2 (en) | 2011-01-05 | 2015-10-27 | Qualcomm Incorporated | Low complexity interpolation filtering with adaptive tap size |
EP4099700A1 (en) | 2011-01-07 | 2022-12-07 | Nokia Technologies Oy | Motion prediction in video coding |
US9049454B2 (en) | 2011-01-19 | 2015-06-02 | Google Technology Holdings Llc. | High efficiency low complexity interpolation filters |
US20120224639A1 (en) * | 2011-03-03 | 2012-09-06 | General Instrument Corporation | Method for interpolating half pixels and quarter pixels |
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