Designing autonomous layered video coders
Image Communication
Statistical framework for video decoding complexity modeling and prediction
IEEE Transactions on Circuits and Systems for Video Technology
Software designs of image processing tasks with incremental refinement of computation
IEEE Transactions on Image Processing
Scheduling and energy-distortion tradeoffs with operational refinement of image processing
Proceedings of the Conference on Design, Automation and Test in Europe
ESVD: an integrated energy scalable framework for low-power video decoding systems
EURASIP Journal on Wireless Communications and Networking - Special issue on multimedia communications over next generation wireless networks
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MPEG-4 is the first object-based audiovisual coding standard. To control the minimum decoding complexity resources required at the decoder, the MPEG-4 Visual standard defines the so-called video buffering verifier mechanism, which includes three virtual buffer models, among them the video complexity verifier (VCV). This paper proposes an alternative VCV model, based on a set of macroblock (MB) relative decoding complexity weights assigned to the various MB coding types used in MPEG-4 video coding. The new VCV model allows a more efficient use of the available decoding resources by preventing the overevaluation of the decoding complexity of certain MB types and thus making it possible to encode scenes (for the same profile@level decoding resources) which otherwise would be considered too demanding.