JPWO2020211810A5 - - Google Patents
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- JPWO2020211810A5 JPWO2020211810A5 JP2021559943A JP2021559943A JPWO2020211810A5 JP WO2020211810 A5 JPWO2020211810 A5 JP WO2020211810A5 JP 2021559943 A JP2021559943 A JP 2021559943A JP 2021559943 A JP2021559943 A JP 2021559943A JP WO2020211810 A5 JPWO2020211810 A5 JP WO2020211810A5
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- 230000003044 adaptive Effects 0.000 claims 15
- 238000006243 chemical reaction Methods 0.000 claims 8
- 230000000875 corresponding Effects 0.000 claims 4
- 238000001914 filtration Methods 0.000 claims 1
- 238000003672 processing method Methods 0.000 claims 1
Claims (14)
前記判定することに基づいて前記変換を行うことと、を含み、
前記判定することに呼応して、前記第１の適応パラメータセットに含まれる第２の構文要素の値が１であり、前記第２の構文要素は、前記第１の適応パラメータセットに輝度フィルタセットを含めるかどうかを示し、
前記第１の映像領域のサンプルに対して、異なる方向の複数のサンプルの差分に基づいてフィルタインデックスが導出され、前記フィルタインデックスに基づいて、前記輝度フィルタセットから特定の輝度フィルタが選択される、
映像データ処理方法。 It is to determine that the first syntax element corresponding to the first video region exists in the bitstream for conversion between the first video region of the video and the bitstream of the video. The first syntax element is determined to indicate the index of the first adaptive parameter set referenced by the first video region.
Including performing the conversion based on the determination.
In response to the determination, the value of the second syntax element included in the first adaptive parameter set is 1, and the second syntax element is a luminance filter set in the first adaptive parameter set. Indicates whether to include
For the sample in the first video region, a filter index is derived based on the difference between a plurality of samples in different directions, and a specific luminance filter is selected from the luminance filter set based on the filter index.
Video data processing method.
同じＭ＊Ｍ個の映像ブロックにおけるサンプルに対して同じフィルタインデックスが適用される、請求項１～３のいずれか１項に記載の方法。 The video area includes a plurality of video coding tree blocks, the video coding tree block is divided into a plurality of M * M video blocks, and M is 2 or 4.
The method according to any one of claims 1 to 3, wherein the same filter index is applied to samples in the same M * M video blocks.
映像の第１の映像領域と前記映像のビットストリームとの間での変換のため、前記第１の映像領域に対応する第１の構文要素が前記ビットストリームに存在することを判定することであって、前記第１の構文要素が、前記第１の映像領域が参照する第１の適応パラメータセットのインデックスを示す、判定することと、
前記判定することに基づいて前記変換を行うことと、を行わせ、
前記判定することに呼応して、前記第１の適応パラメータセットに含まれる第２の構文要素の値が１であり、前記第２の構文要素は、前記第１の適応パラメータセットに輝度フィルタセットを含めるかどうかを示し、
前記第１の映像領域のサンプルに対して、異なる方向の複数のサンプルの差分に基づいてフィルタインデックスが導出され、前記フィルタインデックスに基づいて、前記輝度フィルタセットから特定の輝度フィルタが選択される、
映像データを処理するための装置。 A device for processing video data including a processing device and a non-temporary memory provided with an instruction, and when the instruction is executed by the processing device, the processing device receives the instruction.
It is to determine that the first syntax element corresponding to the first video region exists in the bitstream for conversion between the first video region of the video and the bitstream of the video. The determination is that the first syntax element indicates an index of the first adaptive parameter set referenced by the first video region.
Performing the conversion based on the determination,
In response to the determination, the value of the second syntax element included in the first adaptive parameter set is 1, and the second syntax element is a luminance filter set in the first adaptive parameter set. Indicates whether to include
For the sample in the first video region, a filter index is derived based on the difference between a plurality of samples in different directions, and a specific luminance filter is selected from the luminance filter set based on the filter index.
A device for processing video data.
映像の第１の映像領域と前記映像のビットストリームとの間での変換のため、前記第１の映像領域に対応する第１の構文要素が前記ビットストリームに存在することを判定することであって、前記第１の構文要素が、前記第１の映像領域が参照する第１の適応パラメータセットのインデックスを示す、判定することと、
前記判定することに基づいて前記変換を行うことと、を行わせ、
前記判定することに呼応して、前記第１の適応パラメータセットに含まれる第２の構文要素の値が１であり、前記第２の構文要素は、前記第１の適応パラメータセットに輝度フィルタセットを含めるかどうかを示し、
前記第１の映像領域のサンプルに対して、異なる方向の複数のサンプルの差分に基づいてフィルタインデックスが導出され、前記フィルタインデックスに基づいて、前記輝度フィルタセットから特定の輝度フィルタが選択される、
非一時的なコンピュータ可読記憶媒体。 It is a non-temporary computer-readable storage medium that stores instructions, and the instructions are sent to the processing device.
It is to determine that the first syntax element corresponding to the first video region exists in the bitstream for conversion between the first video region of the video and the bitstream of the video. The determination is that the first syntax element indicates an index of the first adaptive parameter set referenced by the first video region.
Performing the conversion based on the determination,
In response to the determination, the value of the second syntax element included in the first adaptive parameter set is 1, and the second syntax element is a luminance filter set in the first adaptive parameter set. Indicates whether to include
For the sample in the first video region, a filter index is derived based on the difference between a plurality of samples in different directions, and a specific luminance filter is selected from the luminance filter set based on the filter index.
Non-temporary computer-readable storage medium.
前記映像の第１の映像領域に対して、前記第１の映像領域に対応する第１の構文要素が前記ビットストリームに存在することを判定することであって、前記第１の構文要素は、前記第１の映像領域が参照する第１の適応パラメータセットのインデックスを示す、判定することと、
前記判定することに基づいて前記ビットストリームを生成することと、を含み、
前記判定することに呼応して、前記第１の適応パラメータセットに含まれる第２の構文要素の値が１であり、前記第２の構文要素は、前記第１の適応パラメータセットに輝度フィルタセットを含めるかどうかを示し、
前記第１の映像領域のサンプルに対して、異なる方向の複数のサンプルの差分に基づいてフィルタインデックスが導出され、前記フィルタインデックスに基づいて、前記輝度フィルタセットから特定の輝度フィルタが選択される、
非一時的なコンピュータ可読記録媒体。 A non-temporary computer-readable recording medium that stores a bitstream of video produced by a method performed by a video processing apparatus, wherein the method is:
It is a determination that a first syntax element corresponding to the first video area exists in the bitstream with respect to the first video area of the video, and the first syntax element is The determination and determination indicating the index of the first adaptive parameter set referenced by the first video region.
Including generating the bitstream based on the determination.
In response to the determination, the value of the second syntax element included in the first adaptive parameter set is 1, and the second syntax element is a luminance filter set in the first adaptive parameter set. Indicates whether to include
For the sample in the first video region, a filter index is derived based on the difference between a plurality of samples in different directions, and a specific luminance filter is selected from the luminance filter set based on the filter index.
A non-temporary computer-readable recording medium.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023160428A JP2023179557A (en) | 2019-04-16 | 2023-09-25 | ON adaptive loop filtering for video coding |
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| CNPCT/CN2019/082855 | 2019-04-16 | ||
| CN2019082855 | 2019-04-16 | ||
| PCT/CN2020/085075 WO2020211810A1 (en) | 2019-04-16 | 2020-04-16 | On adaptive loop filtering for video coding |
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| JP2023160428A Division JP2023179557A (en) | 2019-04-16 | 2023-09-25 | ON adaptive loop filtering for video coding |
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| JP2022527012A JP2022527012A (en) | 2022-05-27 |
| JPWO2020211810A5 true JPWO2020211810A5 (en) | 2022-06-27 |
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| JP2023160428A Pending JP2023179557A (en) | 2019-04-16 | 2023-09-25 | ON adaptive loop filtering for video coding |
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Country Status (6)
| Country | Link |
|---|---|
| US (2) | US11611747B2 (en) |
| EP (1) | EP3928516A4 (en) |
| JP (2) | JP2022527012A (en) |
| KR (1) | KR20210145749A (en) |
| CN (3) | CN117499679A (en) |
| WO (2) | WO2020211809A1 (en) |
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-
2020
- 2020-04-16 KR KR1020217030932A patent/KR20210145749A/en not_active Application Discontinuation
- 2020-04-16 WO PCT/CN2020/085068 patent/WO2020211809A1/en active Application Filing
- 2020-04-16 EP EP20791885.5A patent/EP3928516A4/en active Pending
- 2020-04-16 CN CN202311450652.0A patent/CN117499679A/en active Pending
- 2020-04-16 JP JP2021559943A patent/JP2022527012A/en active Pending
- 2020-04-16 CN CN202080028620.XA patent/CN113767632B/en active Active
- 2020-04-16 WO PCT/CN2020/085075 patent/WO2020211810A1/en unknown
- 2020-04-16 CN CN202080028533.4A patent/CN113767623B/en active Active
-
2021
- 2021-08-11 US US17/399,839 patent/US11611747B2/en active Active
-
2023
- 2023-02-17 US US18/171,049 patent/US20230217021A1/en active Pending
- 2023-09-25 JP JP2023160428A patent/JP2023179557A/en active Pending
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