RU2014105187A - Способы, устройства и системы для параллельного кодирования и декодирования видеоинформации - Google Patents

Способы, устройства и системы для параллельного кодирования и декодирования видеоинформации Download PDF

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RU2014105187A
RU2014105187A RU2014105187/08A RU2014105187A RU2014105187A RU 2014105187 A RU2014105187 A RU 2014105187A RU 2014105187/08 A RU2014105187/08 A RU 2014105187/08A RU 2014105187 A RU2014105187 A RU 2014105187A RU 2014105187 A RU2014105187 A RU 2014105187A
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Кристофер А. СИГОЛЛ
Луис Дж. КЕРОФСКИ
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Abstract

1. Способ декодирования видеокадра в видеопоследовательности, причем упомянутый способ содержит этапы, на которых:принимают битовый поток;идентифицируют реконструируемый слой в упомянутом битовом потоке;анализируют флаг заголовка слоя в упомянутом битовом потоке;в случае если упомянутый флаг равен 1, упомянутый заголовок слоя является заголовком разделенного слоя;a) идентифицируют первый разделенный слой и второй разделенный слой, каждый из которых является разделением области изображения в упомянутом реконструируемом слое в упомянутом битовом потоке;b) осуществляют энтропийное декодирование упомянутого первого разделенного слоя, таким образом производя первый энтропийно декодированный разделенный слой;c) осуществляют энтропийное декодирование упомянутого второго разделенного слоя, таким образом производя второй энтропийно декодированный разделенный слой;d) реконструируют первую часть видеокадра, связанную с упомянутым первым разделенным слоем, используя упомянутый первый энтропийно декодированный разделенный слой, таким образом производя первый реконструированный участок упомянутого видеокадра; иe) реконструируют вторую часть упомянутого видеокадра, связанную с упомянутым вторым разделенным слоем, используяупомянутый второй энтропийно декодированный разделенный слой и упомянутый первый реконструированный участок упомянутого видеокадра;в случае если упомянутый анализируемый флаг равен 0, упомянутый заголовок слоя является заголовком обычного слоя,причем упомянутый заголовок разделенного слоя отличается от заголовка обычного слоя и использует большинство атрибутов слоя совместно

Claims (4)

1. Способ декодирования видеокадра в видеопоследовательности, причем упомянутый способ содержит этапы, на которых:
принимают битовый поток;
идентифицируют реконструируемый слой в упомянутом битовом потоке;
анализируют флаг заголовка слоя в упомянутом битовом потоке;
в случае если упомянутый флаг равен 1, упомянутый заголовок слоя является заголовком разделенного слоя;
a) идентифицируют первый разделенный слой и второй разделенный слой, каждый из которых является разделением области изображения в упомянутом реконструируемом слое в упомянутом битовом потоке;
b) осуществляют энтропийное декодирование упомянутого первого разделенного слоя, таким образом производя первый энтропийно декодированный разделенный слой;
c) осуществляют энтропийное декодирование упомянутого второго разделенного слоя, таким образом производя второй энтропийно декодированный разделенный слой;
d) реконструируют первую часть видеокадра, связанную с упомянутым первым разделенным слоем, используя упомянутый первый энтропийно декодированный разделенный слой, таким образом производя первый реконструированный участок упомянутого видеокадра; и
e) реконструируют вторую часть упомянутого видеокадра, связанную с упомянутым вторым разделенным слоем, используя
упомянутый второй энтропийно декодированный разделенный слой и упомянутый первый реконструированный участок упомянутого видеокадра;
в случае если упомянутый анализируемый флаг равен 0, упомянутый заголовок слоя является заголовком обычного слоя,
причем упомянутый заголовок разделенного слоя отличается от заголовка обычного слоя и использует большинство атрибутов слоя совместно с упомянутым заголовком обычного слоя, и размер упомянутого заголовка разделенного слоя меньше размера упомянутого заголовка обычного слоя.
2. Способ по п. 1, в котором энтропийное декодирование упомянутого первого разделенного слоя содержит этапы, на которых:
a) инициализируют множество контекстных моделей; и
b) обновляют упомянутое множество контекстных моделей во время упомянутого энтропийного декодирования упомянутого первого разделенного слоя.
3. Способ по п. 2, в котором упомянутый первый разделенный слой идентифицируется первым заголовком.
4. Способ по п. 1, в котором упомянутый реконструируемый слой соответствует целому упомянутому видеокадру.
RU2014105187A 2008-03-28 2014-02-12 Способы, устройства и системы для параллельного кодирования и декодирования видеоинформации RU2641229C2 (ru)

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