MPEG-21 Digital Item Adaptation (DIA) has recently been finalized as part of the MPEG-21
Multimedia Framework. DIA specifies metadata for assisting the adaptation of Digital Items …

In order to cater to the diversity of terminals and networks, efficient, and flexible adaptation of
multimedia content in the delivery path to end consumers is required. To this end, it is …

Recently, the detection of visual attention regions (VAR) is becoming more important due to
its useful application in the area of multimedia. Although there exist a lot of approaches to …

The seamless access to rich multimedia content on any device and over any network,
usually known as Universal Multimedia Access, requires interoperable description tools and …

Video summaries provide compact representations of video sequences, with the length of
the summary playing an important role, trading off the amount of information conveyed and …

The desire to gain access to rich, multimedia-based information anywhere, anytime grows
enormously. To achieve such access, the research and standardization communities have …

Data encryption is one of the key information security technologies used for safeguarding
multimedia content from unauthorised access and manipulation in end-to-end delivery and …

Recently, scalable video coding (SVC) has emerged as a promising video format for
applications of multimedia communication. An SVC bitstream can be easily truncated …

The upcoming MPEG-21 standard proposes a general framework for augmented use of
multimedia services in different network environments, for various users with various …

Mobile learning (m-learning) is a new trend in the e-learning field. The learning services in
m-learning environments are supported by fundamental functions, especially the content …