RU2016122534A - Устройство для обработки изображения и способ обработки изображения - Google Patents
Устройство для обработки изображения и способ обработки изображения Download PDFInfo
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Claims (22)
1. Устройство для обработки изображений, содержащее:
схему, конфигурированную для:
декодирования закодированных данных изображения с целью выработки квантовых данных коэффициентов преобразования; и
осуществляют обратное квантование квантованных данных коэффициентов преобразования для данных изображения с использованием матрицы квантования размера 32×32, при этом матрицу квантования размера 32×32 устанавливают путем осуществления ближайшего соседнего процесса, включающего в себя дублирование, по меньшей мере, одного из двух элементов, соседствующих один с другим в матрице квантования размера 8×8.
2. Устройство для обработки изображений по п. 1, в котором матрица квантования размера 8×8 является установленной по умолчанию матрицей квантования.
3. Устройство для обработки изображений по п. 1, в котором схема сконфигурирована для хранения матрицы квантования размера 8×8.
4. Устройство для обработки изображений по п. 1, в котором схема сконфигурирована для обратного квантования квантованных данных коэффициентов преобразования для данных изображения с использованием матрицы (QM1) квантования размера 32×32, установленной путем осуществления ближайшего соседнего процесса для элементов матрицы (QM2) квантования размера 8×8:
5. Устройство для обработки изображений по п. 4, в котором схема сконфигурирована для установки матрицы квантования размера 32×32.
6. Способ обработки изображений, включающий в себя следующее:
декодируют закодированные данные изображения с целью выработки квантовых данных коэффициентов преобразования; и
осуществляют обратное квантование, с помощью схемы устройства для обработки изображений, квантованных данных коэффициентов преобразования для данных изображения с использованием матрицы квантования размера 32×32, при этом матрицу квантования размера 32×32 устанавливают путем осуществления ближайшего соседнего процесса, включающего в себя дублирование, по меньшей мере, одного из двух элементов, соседствующих один с другим в матрице квантования размера 8×8.
7. Способ обработки изображений по п. 6, в котором матрица квантования размера 8×8 является установленной по умолчанию матрицей квантования.
8. Способ обработки изображений по п. 6, дополнительно включающий в себя следующее: сохраняют матрицу квантования размера 8×8.
9. Способ обработки изображений по п. 6, в котором обратное квантование включает в себя следующее: осуществляют обратное квантование, с помощью схемы, квантованных данных коэффициентов преобразования для данных изображения с использованием матрицы (QM1) квантования размера 32×32, установленной путем осуществления ближайшего соседнего процесса для элементов матрицы (QM2) квантования размера 8×8:
10. Способ обработки изображений по п. 9, дополнительно включающий в себя следующее: устанавливают, с помощью схемы, матрицу квантования размера 32×32.
11. Долговременный считываемый компьютером носитель информации, хранящий команды, которые при их исполнении, приводят к тому, что компьютер осуществляет способ, включающий в себя следующее:
декодируют закодированные данные изображения с целью выработки квантовых данных коэффициентов преобразования; и
осуществляют обратное квантование квантованных данных коэффициентов преобразования для данных изображения с использованием матрицы квантования размера 32×32, при этом матрицу квантования размера 32×32 устанавливают путем осуществления ближайшего соседнего процесса, включающего в себя дублирование, по меньшей мере, одного из двух элементов, соседствующих один с другим в матрице квантования размера 8×8.
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JP2011049992A JP5741076B2 (ja) | 2010-12-09 | 2011-03-08 | 画像処理装置及び画像処理方法 |
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JP5907367B2 (ja) | 2011-06-28 | 2016-04-26 | ソニー株式会社 | 画像処理装置および方法、プログラム、並びに記録媒体 |
US10277915B2 (en) * | 2011-11-07 | 2019-04-30 | Qualcomm Incorporated | Signaling quantization matrices for video coding |
RU2642364C2 (ru) | 2012-06-29 | 2018-01-24 | Вилос Медиа Интернэшнл Лимитед | Устройство кодирования и способ кодирования |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11272180B2 (en) | 2016-07-04 | 2022-03-08 | Sony Corporation | Image processing apparatus and method |
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