RU2015116279A - 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 PDF

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RU2015116279A
RU2015116279A RU2015116279/08A RU2015116279A RU2015116279A RU 2015116279 A RU2015116279 A RU 2015116279A RU 2015116279/08 A RU2015116279/08 A RU 2015116279/08A RU 2015116279 A RU2015116279 A RU 2015116279A RU 2015116279 A RU2015116279 A RU 2015116279A
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luminance
pixel location
interpolation filter
depth
coding units
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Елена АЛШИНА
Александр АЛШИН
Николай ШЛЯХОВ
Биеонг-Доо ЧОИ
Йоон-Ми ХОНГ
Воо-Дзин ХАН
Тамми ЛИ
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Самсунг Электроникс Ко., Лтд.
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    • G—PHYSICS
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    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
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    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
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    • H04N19/96—Tree coding, e.g. quad-tree coding
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    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
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    • 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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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,причем фильтр интерполяции с 8 выводами содержит восемь коэффициентов 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 которомизображение 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, у�

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,
причем фильтр интерполяции с 8 выводами содержит восемь коэффициентов 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.
RU2015116279A 2010-04-05 2011-04-05 Способ и устройство для выполнения интерполяции на основе преобразования и обратного преобразования RU2612613C2 (ru)

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US32084710P 2010-04-05 2010-04-05
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US36749810P 2010-07-26 2010-07-26
US61/367,498 2010-07-26
KR1020100095956A KR101682147B1 (ko) 2010-04-05 2010-10-01 변환 및 역변환에 기초한 보간 방법 및 장치
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