Verification of image data
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United States of America Patent
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Oct 24, 2006
Issued Date -
N/A
app pub date -
Nov 26, 2002
filing date -
Jun 29, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
Image data, such as image data coded in MPEG4 format, is verified by a client receiving an information data stream that is generated by multiplexing a plurality of coded object data and associated intellectual property management data, from a contents distribution server, wherein the intellectual property management data includes source information representing a copyright holder of the object data. Verification request data is transmitted, based on the source information included in the received intellectual property management data, to the copyright holder, via a different communication channel from that used for receiving the information data stream. The client receives, from the copyright holder, verification result data relating to the object data and then, a decoding process of the object data is controlled based on the verification result data.
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