LLEC: An Image Coder with Low-Complexity and Low-Memory Requirement
PCM '01 Proceedings of the Second IEEE Pacific Rim Conference on Multimedia: Advances in Multimedia Information Processing
A modified video codec for MBMS applications
MUM '05 Proceedings of the 4th international conference on Mobile and ubiquitous multimedia
Color image coding by colorization approach
Journal on Image and Video Processing - Color in Image and Video Processing
Error concealment of multi-view video sequences using inter-view and intra-view correlations
Journal of Visual Communication and Image Representation
Subjective impression of variations in layer encoded videos
IWQoS'03 Proceedings of the 11th international conference on Quality of service
Annotation based personalized adaptation and presentation of videos for mobile applications
Multimedia Tools and Applications
Quality analysis of scalable video coding on unstable transmissions
Multimedia Tools and Applications
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In the recent years, the technical developments in the area of audio-visual communications, notably in video coding, encouraged the emergence of new services which are already changing our everyday life. The convergence of the telecommunications, computer, and TV/film technologies is leading to the intermixture of elements formerly characteristic of each one of these fields, creating new needs and new requirements. Among the most important trends is the need to increase the interaction capabilities between the user and the audio-visual information, notably by considering the scene as a composition of objects-the content-according to a script that describes their spatial and temporal behavior and not just a set of pixels. MPEG-4 is a new audio-visual standard aiming to establish a universal, efficient coding of different forms of audio-visual data, called audio-visual objects. To reach this target, MPEG-4 has called for proposals on techniques that may be instrumental to efficiently represent visual information, allowing simultaneously high degrees of content-based interactivity and error resilience. This paper addresses the conditions under which the proposals to the MPEG-4 first round of video subjective tests have been evaluated. Moreover, the most significative results of these tests are also presented