Meta data for moving picture
First Claim
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1. A data structure including at least one access unit that can be independently processed by a system using the data structure, said access unit comprising:
- first data configured to specify a lifetime defined with respect to a time axis of a moving picture, object region data configured to describe a spatio-temporal region in the moving picture, and second data configured to include at least one of data which specifies a display method associated with the spatio-temporal region and data which specifies an action taken by the system upon designation of the spatio-temporal region.
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Abstract
Meta data can efficiently use a buffer, allow random access, and reduce influence of a data loss when a process that combines a moving picture at a viewer and meta data at the viewer or on a network is to be executed. The meta data is formed by including one or more Vclick access units, each of which has data for specifying a lifetime, object region data that describes the spatio-temporal region in a moving image, and a display attribute/action attribute, and is a data unit that can be processed independently.
21 Citations
21 Claims
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1. A data structure including at least one access unit that can be independently processed by a system using the data structure, said access unit comprising:
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first data configured to specify a lifetime defined with respect to a time axis of a moving picture, object region data configured to describe a spatio-temporal region in the moving picture, and second data configured to include at least one of data which specifies a display method associated with the spatio-temporal region and data which specifies an action taken by the system upon designation of the spatio-temporal region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An information medium configured to store special data which uses data structure including at least one access unit that can be independently processed by a system using the data structure, said access unit comprising:
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first data configured to specify a lifetime defined with respect to a time axis of a moving picture, object region data configured to describe a spatio-temporal region in the moving picture, and second data configured to include at least one of data which specifies a display method associated with the spatio-temporal region and data which specifies an action taken by the system upon designation of the spatio-temporal region. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. A system for handling special data which uses data structure including at least one access unit that can be independently processed by the system, wherein said access unit comprises:
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first data configured to specify a lifetime defined with respect to a time axis of a moving picture, object region data configured to describe a spatio-temporal region in the moving picture, and second data configured to include at least one of data which specifies a display method associated with the spatio-temporal region and data which specifies an action taken by the system upon designation of the spatio-temporal region.
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Specification