Patent ID: 6072936
Filing Date: 2000-06-06
Classification: H04N

Abstract:
An apparatus for synthesizing source pictures stored in a recording medium, comprising:first reproducing means for reproducing a video data from a first recording medium in which said video data is recorded in accordance with a data recording format having a hierarchical structure, said video data comprising at least a high resolution video data and a corresponding low resolution video data,second reproducing means for reproducing a texture image data and a key data for keying said reproduced video data from a second recording medium in which said texture image data and said key data are recorded in accordance with the same recording format as said data recording format wherein said texture image data comprises at least a high resolution texture image data and an associated low resolution texture image data, and wherein said key data comprises at least a high resolution key data and an associated low resolution key data; andsynthesizing means for synthesizing said high resolution video data and said high resolution texture image data based on said high resolution key data and for synthesizing said low resolution video data and said low resolution texture image data based on said low resolution key data.