Alexandros Eleftheriadis, Dimitris Anastassiou. Optimal Data Partitioning of MPEG-2 Coded Video. IEEE Transactions on Circuits and Systems for Video Technology, 2000, 2000.
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We analyze the problem of optimal data partitioning of MPEG-2 coded video in an op- erational rate-distortion context. The optimal algorithm is characterized and shown to have high complexity and delay. A causally optimal algorithm based on Lagrangian optimization is proposed, that optimally solves the problem for intra (I) pictures, while it provides an op- timal solution for predicted/interpolated (P/B) pictures when the additional constraints of causal operation and/or low-delay are imposed. A memoryless version of the algorithm, the- oretically optimal for intra-pictures only, is shown to perform almost identically but with sig- ni cantly less computational complexity. Finally, a fast, suboptimal algorithm using purely rate-based optimization is also proposed, and is shown to perform quite close (within 1 dB) to the causally optimal one. Experimental results are provided using actual MPEG-2 coded video bitstreams
@article{dvmmPub65,
Author = {Eleftheriadis, Alexandros and Anastassiou, Dimitris},
Title = {Optimal Data Partitioning of MPEG-2 Coded Video},
Journal = {IEEE Transactions on Circuits and Systems for Video Technology, 2000},
Year = {2000}
}
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