Indrani Vedula

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Selective encryption exploits the relationship between encryption and compression to reduce encryption requirements, saving in complexity and facilitating new system functionality. Selective encryption of MPEG video streams has been proposed in a number of variations, yet has seen little application to date. Here we focus on high encryption savings,(More)
Students often turn to their peers for help in order to learn a new concept or lesson introduced by a teacher in class. This establishes roles of tutor and learner between students, which can also reverse depending on the subject, with the teacher as a third-party mediator. This paper discusses our design of a distributed software system architecture that(More)
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