JP2015233304A - 映像の符号化方法及び装置、並びに映像の復号化方法及び装置 - Google Patents
映像の符号化方法及び装置、並びに映像の復号化方法及び装置 Download PDFInfo
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Abstract
【解決手段】深度が増加するにつれて、階層的に分割される最大符号化単位を用いて符号化された映像データから、上位深度の符号化単位が下位深度の符号化単位に分割されるか否かを示す分割情報を抽出する段階と、分割情報によって現在符号化単位が含まれた最大符号化単位の分割形態を決定する段階と、映像データから現在符号化単位の予測モードがスキップモードであるか否かを示すスキップ情報を獲得する段階と、スキップ情報によって現在符号化単位の予測モードがスキップモードである場合、現在符号化単位を一つの予測単位として決定する段階と、スキップ情報によって現在符号化単位の予測モードがスキップモードでない場合、現在符号化単位の分割タイプに基づいて現在符号化単位から一つ以上の予測単位を獲得する段階とを含む。
【選択図】図21
Description
210 映像データ獲得部
220 符号化情報抽出部
230 映像データ復号化部
Claims (1)
- 映像復号化方法において、
深度が増加するにつれて、階層的に分割される最大符号化単位を用いて符号化された映像データから、上位深度の符号化単位が下位深度の符号化単位に分割されるか否かを示す分割情報を獲得する段階と、
前記分割情報によって前記現在符号化単位が含まれた最大符号化単位の分割形態を決定する段階と、
前記映像データから前記現在符号化単位の予測モードがスキップモードであるか否かを示すスキップ情報を獲得する段階と、
前記スキップ情報によって前記現在符号化単位の予測モードがスキップモードである場合、前記現在符号化単位を一つの予測単位として決定する段階と、
前記スキップ情報によって前記現在符号化単位の予測モードがスキップモードでない場合、前記現在符号化単位の分割タイプに基づいて前記現在符号化単位から一つ以上の予測単位を獲得する段階とを含み、
前記分割形態を決定する段階は、
前記分割情報が現在深度で分割されることを示す場合、前記現在深度の現在符号化単位を4分割して下位深度の符号化単位を獲得することを特徴とする映像復号化方法。
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