JPWO2020182092A5 - - Google Patents
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- JPWO2020182092A5 JPWO2020182092A5 JP2021551760A JP2021551760A JPWO2020182092A5 JP WO2020182092 A5 JPWO2020182092 A5 JP WO2020182092A5 JP 2021551760 A JP2021551760 A JP 2021551760A JP 2021551760 A JP2021551760 A JP 2021551760A JP WO2020182092 A5 JPWO2020182092 A5 JP WO2020182092A5
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映像の映像領域の現在映像ユニットと前記映像のビットストリームとの間での変換において、前記現在映像ユニットに対してコーディングツールが使用されることを決定するステップと、
前記変換において前記コーディングツールを用いることによって、前記変換を実行するステップであり、前記現在映像ユニットが、
1)前記現在映像ユニットのルマコンポーネントについての順マッピングプロセスであり、前記ルマコンポーネントの予測サンプルが元のドメインから再整形ドメインへと変換される、順マッピングプロセス、
2)前記順マッピングプロセスの逆演算である逆マッピングプロセスであり、前記再整形ドメインにおける前記現在映像ユニットの前記ルマコンポーネントの再構成サンプルが前記元のドメインへと変換される、逆マッピングプロセス、又は
3)スケーリングプロセスであり、前記現在映像ユニットのクロマコンポーネントの残差サンプルが、前記クロマコンポーネントを再構成するために使用される前にスケーリングされる、スケーリングプロセス、
のうちの少なくとも1つに基づいて再構成される、ステップと、
を有し、
前記現在映像ユニットに対する前記コーディングツールのモデル情報が、前記ビットストリームに含められ、
前記現在映像ユニットを含む1つ以上の映像ユニットを前記映像領域が有することに応答して、前記1つ以上の映像ユニットの各々が、前記現在映像ユニットに対する前記コーディングツールの同じモデル情報を共有する、
方法。 It is a method of processing video data.
A step of determining that a coding tool is used for the current video unit in the conversion between the current video unit in the video region of the video and the bitstream of the video.
A step of performing the conversion by using the coding tool in the conversion, wherein the current video unit is:
1) A forward mapping process for the Luma component of the current video unit, in which the predicted sample of the Luma component is converted from the original domain to the reformed domain.
2) An inverse mapping process, which is an inverse operation of the forward mapping process, in which a reconstruction sample of the Luma component of the current video unit in the reforming domain is converted to the original domain, or an inverse mapping process. 3) A scaling process, in which the residual sample of the chroma component of the current video unit is scaled before being used to reconstruct the chroma component.
Steps and steps that are reconstructed based on at least one of
Have,
The model information of the coding tool for the current video unit is included in the bitstream.
In response to the video region having one or more video units including the current video unit, each of the one or more video units shares the same model information of the coding tool for the current video unit. ,
Method.
映像の映像領域の現在映像ユニットと前記映像のビットストリームとの間での変換において、前記現在映像ユニットに対してコーディングツールが使用されることを決定させ、
前記変換において前記コーディングツールを用いることによって、前記変換を実行させ、前記現在映像ユニットが、
1)前記現在映像ユニットのルマコンポーネントについての順マッピングプロセスであり、前記ルマコンポーネントの予測サンプルが元のドメインから再整形ドメインへと変換される、順マッピングプロセス、
2)前記順マッピングプロセスの逆演算である逆マッピングプロセスであり、前記再整形ドメインにおける前記現在映像ユニットの前記ルマコンポーネントの再構成サンプルが前記元のドメインへと変換される、逆マッピングプロセス、又は
3)スケーリングプロセスであり、前記現在映像ユニットのクロマコンポーネントの残差サンプルが、前記クロマコンポーネントを再構成するために使用される前にスケーリングされる、スケーリングプロセス、
のうちの少なくとも1つに基づいて再構成され、
前記現在映像ユニットに対する前記コーディングツールのモデル情報が、前記ビットストリームに含められ、
前記現在映像ユニットを含む1つ以上の映像ユニットを前記映像領域が有することに応答して、前記1つ以上の映像ユニットの各々が、前記現在映像ユニットに対する前記コーディングツールの同じモデル情報を共有する、
装置。 A device for processing video data having a processor and a non-temporary memory having instructions, the instructions to the processor when executed by the processor.
The current video unit is determined to use a coding tool in the conversion between the current video unit in the video region of the video and the bitstream of the video.
By using the coding tool in the conversion, the conversion is executed, and the current video unit is
1) A forward mapping process for the Luma component of the current video unit, in which the predicted sample of the Luma component is converted from the original domain to the reformed domain.
2) An inverse mapping process, which is an inverse operation of the forward mapping process, in which a reconstruction sample of the Luma component of the current video unit in the reforming domain is converted to the original domain, or an inverse mapping process. 3) A scaling process, in which the residual sample of the chroma component of the current video unit is scaled before being used to reconstruct the chroma component.
Reconstructed based on at least one of
The model information of the coding tool for the current video unit is included in the bitstream.
In response to the video region having one or more video units including the current video unit, each of the one or more video units shares the same model information of the coding tool for the current video unit. ,
Device.
映像の映像領域の現在映像ユニットと前記映像のビットストリームとの間での変換において、前記現在映像ユニットに対してコーディングツールが使用されることを決定させ、
前記変換において前記コーディングツールを用いることによって、前記変換を実行させ、前記現在映像ユニットが、
1)前記現在映像ユニットのルマコンポーネントについての順マッピングプロセスであり、前記ルマコンポーネントの予測サンプルが元のドメインから再整形ドメインへと変換される、順マッピングプロセス、
2)前記順マッピングプロセスの逆演算である逆マッピングプロセスであり、前記再整形ドメインにおける前記現在映像ユニットの前記ルマコンポーネントの再構成サンプルが前記元のドメインへと変換される、逆マッピングプロセス、又は
3)スケーリングプロセスであり、前記現在映像ユニットのクロマコンポーネントの残差サンプルが、前記クロマコンポーネントを再構成するために使用される前にスケーリングされる、スケーリングプロセス、
のうちの少なくとも1つに基づいて再構成され、
前記現在映像ユニットに対する前記コーディングツールのモデル情報が、前記ビットストリームに含められ、
前記現在映像ユニットを含む1つ以上の映像ユニットを前記映像領域が有することに応答して、前記1つ以上の映像ユニットの各々が、前記現在映像ユニットに対する前記コーディングツールの同じモデル情報を共有する、
コンピュータ読み取り可能記憶媒体。 A non-temporary computer-readable storage medium that stores instructions, the instructions to the processor.
The current video unit is determined to use a coding tool in the conversion between the current video unit in the video region of the video and the bitstream of the video.
By using the coding tool in the conversion, the conversion is executed, and the current video unit is
1) A forward mapping process for the Luma component of the current video unit, in which the predicted sample of the Luma component is converted from the original domain to the reformed domain.
2) An inverse mapping process, which is an inverse operation of the forward mapping process, in which a reconstruction sample of the Luma component of the current video unit in the reforming domain is converted to the original domain, or an inverse mapping process. 3) A scaling process, in which the residual sample of the chroma component of the current video unit is scaled before being used to reconstruct the chroma component.
Reconstructed based on at least one of
The model information of the coding tool for the current video unit is included in the bitstream.
In response to the video region having one or more video units including the current video unit, each of the one or more video units shares the same model information of the coding tool for the current video unit. ,
Computer-readable storage medium.
現在映像ユニットに対してコーディングツールが使用されることを決定するステップと、
前記コーディングツールを用いることによって前記ビットストリームを生成するステップであり、前記現在映像ユニットが、
1)前記現在映像ユニットのルマコンポーネントについての順マッピングプロセスであり、前記ルマコンポーネントの予測サンプルが元のドメインから再整形ドメインへと変換される、順マッピングプロセス、
2)前記順マッピングプロセスの逆演算である逆マッピングプロセスであり、前記再整形ドメインにおける前記現在映像ユニットの前記ルマコンポーネントの再構成サンプルが前記元のドメインへと変換される、逆マッピングプロセス、又は
3)スケーリングプロセスであり、前記現在映像ユニットのクロマコンポーネントの残差サンプルが、前記クロマコンポーネントを再構成するために使用される前にスケーリングされる、スケーリングプロセス、
のうちの少なくとも1つに基づいて再構成される、ステップと、
を有し、
前記現在映像ユニットに対する前記コーディングツールのモデル情報が、前記ビットストリームに含められ、
前記現在映像ユニットを含む1つ以上の映像ユニットを映像領域が有することに応答して、前記1つ以上の映像ユニットの各々が、前記現在映像ユニットに対する前記コーディングツールの同じモデル情報を共有する、
コンピュータ読み取り可能記録媒体。 A non-temporary computer-readable recording medium containing a bitstream of video produced by a method performed by a video processing apparatus, wherein the method is:
The steps that determine which coding tools are currently used for the video unit,
It is a step of generating the bitstream by using the coding tool, and the current video unit is
1) A forward mapping process for the Luma component of the current video unit, in which the predicted sample of the Luma component is converted from the original domain to the reformed domain.
2) An inverse mapping process, which is an inverse operation of the forward mapping process, in which a reconstruction sample of the Luma component of the current video unit in the reforming domain is converted to the original domain, or an inverse mapping process. 3) A scaling process, in which the residual sample of the chroma component of the current video unit is scaled before being used to reconstruct the chroma component.
Steps and steps that are reconstructed based on at least one of
Have,
The model information of the coding tool for the current video unit is included in the bitstream.
Each of the one or more video units shares the same model information of the coding tool for the current video unit in response to the video region having one or more video units including the current video unit.
Computer-readable recording medium.
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