JP7448572B2 - マルチレイヤビデオコーディングのコンバインドスケーラビリティ処理 - Google Patents
マルチレイヤビデオコーディングのコンバインドスケーラビリティ処理 Download PDFInfo
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Description
本特許出願は、2013年10月7日に出願された米国特許仮出願第61/887,782号明細書および2014年9月3日に出願された米国特許仮出願第62/045,495号明細書の利益を主張し、その開示内容は、参照により完全に記載されているかのように本明細書に組み込まれる。
MaxBitDepth=max(InputLumaBitDepth,InputChromaBitDepth)
と示される、輝度および/または彩度のそれぞれのより大きいビット深度値にアラインメントされる。例えば、DeltaMaxLumaBitDepthとDeltaMaxChromaBitDepthは以下のように定義される。
MinBitDepth=min(InputLumaBitDepth,InputChromaBitDepth)
と示される、輝度および/または彩度のそれぞれのより小さいビット深度値にアラインメントされる。例えば、DeltaMinLumaBitDepthとDeltaMinChromaBitDepthは以下のように定義される。
Claims (11)
- ビデオ処理の方法であって、
輝度成分および彩度成分が同一の調整されたビット深度を有するように、前記輝度成分および前記彩度成分にビット深度アラインメントを実行するステップと、
前記ビット深度の調整された輝度成分および彩度成分へ、カラーマッピングを実行するステップと
を備えることを特徴とする方法。 - ビット深度アラインメントを実行する前記ステップは、
前記輝度成分のビット深度を前記彩度成分のビット深度へ調整するステップ
をさらに含むことを特徴とする請求項1に記載の方法。 - ビット深度アラインメントを実行する前記ステップは、
前記彩度成分のビット深度を前記輝度成分のビット深度へ調整するステップ
をさらに含むことを特徴とする請求項1に記載の方法。 - ビット深度アラインメントを実行する前記ステップは、
前記輝度成分のビット深度および前記彩度成分のビット深度の間のビット深度差分を決定するステップと、
より小さいビット深度の色成分に対するサンプル値を、より高いビット深度の色成分のビット深度に一致させるように、スケーリングするステップと
をさらに含むことを特徴とする請求項1に記載の方法。 - ビデオ処理装置であって、
輝度成分および彩度成分が同一の調整されたビット深度を有するように、前記輝度成分および前記彩度成分にビット深度アラインメントを実行し、
前記ビット深度の調整された輝度成分および彩度成分へ、カラーマッピングを実行するよう構成されたプロセッサ
を備えたことを特徴とするビデオ処理装置。 - 前記プロセッサは、
前記輝度成分のビット深度を前記彩度成分のビット深度へ調整することによって、ビット深度アラインメントを実行するよう構成されたことを特徴とする請求項5に記載のビデオ処理装置。 - 前記プロセッサは、
前記彩度成分のビット深度を前記輝度成分のビット深度へ調整することによって、ビット深度アラインメントを実行するよう構成されたことを特徴とする請求項5に記載のビデオ処理装置。 - 前記プロセッサは、
前記輝度成分のビット深度および前記彩度成分のビット深度の間のビット深度差分を決定すること、および、
より小さいビット深度の色成分に対するサンプル値を、より高いビット深度の色成分のビット深度に一致させるように、スケーリングすること
によって、ビット深度アラインメントを実行するよう構成されたことを特徴とする請求項5に記載のビデオ処理装置。 - 1つ以上のプロセッサに、
輝度成分および彩度成分が同一の調整されたビット深度を有するように、前記輝度成分および前記彩度成分にビット深度アラインメントを実行させ、
前記ビット深度の調整された輝度成分および彩度成分へ、カラーマッピングを実行させる
命令を含んでいるコンピュータ読取り可能媒体。 - ビット深度アラインメントを実行させることは、
前記輝度成分のビット深度を前記彩度成分のビット深度へ調整すること
をさらに含むことを特徴とする請求項9に記載のコンピュータ読取り可能媒体。 - ビット深度アラインメントを実行させることは、
前記彩度成分のビット深度を前記輝度成分のビット深度へ調整すること
をさらに含むことを特徴とする請求項9に記載のコンピュータ読取り可能媒体。
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EP (2) | EP3055997B1 (ja) |
JP (5) | JP2017501599A (ja) |
KR (2) | KR102127603B1 (ja) |
CN (3) | CN110572662B (ja) |
RU (1) | RU2658812C2 (ja) |
TW (1) | TWI652937B (ja) |
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