نتایج جستجو برای: 21 may
تعداد نتایج: 1913726 فیلتر نتایج به سال:
implicit and unobserved errors and vulnerabilities issues usually arise in cryptographic protocols and especially in authentication protocols. this may enable an attacker to make serious damages to the desired system, such as having the access to or changing secret documents, interfering in bank transactions, having access to users’ accounts, or may be having the control all over the syste...
— This paper presents the progress and final state of CAIN-21, an extensible and metadata driven multimedia adaptation in the MPEG-21 framework. CAIN-21 facilitates the integration of pluggable multimedia adaptation tools, automatically chooses the chain of adaptations to perform and manages its execution. To drive the adaptation, it uses the description tools and implied ontology established b...
In this paper, we present our work on two aspects of multimedia adaptation: knowledge-based single media adaptation and semantic adaptation of multimedia documents. For the former, we propose support of adaptation by direct hinting in the scope of MPEG-21. For the latter, which is the main part of the presented work, we introduce the description of semantic dependencies between media objects of...
Within an MPEG-21 architecture, the two key concepts are the Digital Item, representing multimedia content, and Users, interacting with this content. MPEG-21 introduced Digital Item Processing to allow content authors to describe suggested processing of their Digital Items. It standardizes ways to insert functionality into a Digital Item, as such, creating a dynamic and interactive multimedia f...
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