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Nowadays, most of documents are produced in digital format, in which they can be easily accessed and copied. Document copy detection is a very important tool for protecting the author’s copyright. We present PPChecker, a document copy detection system based on plagiarism pattern checking. PPChecker calculates the amount of data copied from the original(More)
Universal Multimedia Access (UMA) refers to accessing multimedia content over a wide range of client terminals and network capacities. Layered coding has been a very popular technique to enable UMA for video. Since only a limited number of layers can be stored for each video, some clients get less quality than what they expect or can handle. This is a major(More)
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