| 摘要 |
This invention can efficiently execute processing that combines a moving picture at a viewer and metadata at the viewer or on a network. Metadata has data that specifies a lifetime, object region data that describes a spatio-temporal region in the moving picture, related attribute information, and the like, and includes one or more Vclick access units which are data units that can be processed independently. Vclick data includes a search table used to access the metadata.
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