Semantic video adaptation based on automatic annotation of sport videos
Proceedings of the 6th ACM SIGMM international workshop on Multimedia information retrieval
A generic architecture for adaptable multimedia services provision: illustration by a scenario
UbiMob '04 Proceedings of the 1st French-speaking conference on Mobility and ubiquity computing
An Integrated Framework for Semantic Annotation and Adaptation
Multimedia Tools and Applications
Critical video quality for distributed automated video surveillance
Proceedings of the 13th annual ACM international conference on Multimedia
User perception of adapting video quality
International Journal of Human-Computer Studies
Event on demand with MPEG-21 video adaptation system
MULTIMEDIA '06 Proceedings of the 14th annual ACM international conference on Multimedia
Automatic scaling and cropping of videos for devices with limited screen resolution
MULTIMEDIA '06 Proceedings of the 14th annual ACM international conference on Multimedia
Video color adaptation for mobile devices
MULTIMEDIA '06 Proceedings of the 14th annual ACM international conference on Multimedia
Dynamic content-based adaptation of streamed multimedia
Journal of Network and Computer Applications
A utility-driven framework for loss and encoding aware video adaptation
Proceedings of the 15th international conference on Multimedia
SVC adaptation: Standard tools and supporting methods
Image Communication
Video quality for face detection, recognition, and tracking
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP)
Content adaptation on mobile devices using MPEG-21
Journal of Mobile Multimedia
EUC'05 Proceedings of the 2005 international conference on Embedded and Ubiquitous Computing
Implementing the MPEG-21 adaptation quality of service in dynamic environments
ICCSA'06 Proceedings of the 2006 international conference on Computational Science and Its Applications - Volume Part IV
Efficient control for the distortion incurred by dropping DCT coefficients in compressed domain
PCM'05 Proceedings of the 6th Pacific-Rim conference on Advances in Multimedia Information Processing - Volume Part I
Per-GOP bitrate adaptation for h.264 compressed video sequences
VLBV'05 Proceedings of the 9th international conference on Visual Content Processing and Representation
Game as video: bit rate reduction through adaptive object encoding
Proceeding of the 23rd ACM Workshop on Network and Operating Systems Support for Digital Audio and Video
Aggregate power consumption modeling of live video streaming systems
Proceedings of the 4th ACM Multimedia Systems Conference
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Many techniques exist for adapting videos to satisfy heterogeneous resource conditions or user preferences. However, selections of appropriate adaptations among various choices are often ad hoc. To provide a systematic solution, we present a general conceptual framework to model video entity, adaptation, resource, utility, and relations among them. The framework extends the conventional rate-distortion model in terms of flexibility and generality. It allows for formulations of various adaptation problems as resource-constrained utility maximization. It also facilitates new approaches to predicting critical information about resource-utility relations. We apply the framework to a practical case in dynamic bit rate adaptation. Furthermore, we present a description tool, which has been accepted as a part of the MPEG-21 digital item adaptation (DIA), to support utility-based adaptation.