22 October 1993 Stochastic optimal control of variable bit-rate video coders
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Proceedings Volume 2094, Visual Communications and Image Processing '93; (1993) https://doi.org/10.1117/12.157905
Event: Visual Communications and Image Processing '93, 1993, Cambridge, MA, United States
Transmission of variable bit-rate encoded video over either constant or variable bit-rate communication channels imposes restrictions on the shape of the bit generation process in the encoder. In order that these restrictions can be met, a coder-network interface system has be to included consisting of a buffer and a coder controller device. In this paper we show how the availability of appropriate statistical models of the behavior of the source-coder system allows the formalization of the problem of the controller design as a stochastic optimal control problem, which can be solved by direct application of dynamic programming algorithms. Focusing the problem in the adaptation of a hybrid DCT coder to a fixed bit-rate channel, examples of the three stages of the process (source-coder modelization, problem definition, and optimal policy computation) are provided.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jose Ignacio Ronda, Jose Ignacio Ronda, Fernando Jaureguizar, Fernando Jaureguizar, Narciso N. Garcia, Narciso N. Garcia, "Stochastic optimal control of variable bit-rate video coders", Proc. SPIE 2094, Visual Communications and Image Processing '93, (22 October 1993); doi: 10.1117/12.157905; https://doi.org/10.1117/12.157905

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