Optimal real-time control of low-bit-rate coders

Jose Ignacio Ronda; Alvaro Bescos; Martina Eckert; Fernando Jaureguizar

doi:10.1117/12.386589

30 May 2000 Optimal real-time control of low-bit-rate coders

Jose Ignacio Ronda, Alvaro Bescos, Martina Eckert, Fernando Jaureguizar

Proceedings Volume 4067, Visual Communications and Image Processing 2000; (2000) https://doi.org/10.1117/12.386589
Event: Visual Communications and Image Processing 2000, 2000, Perth, Australia

Abstract

This paper addresses the design of a model-based optimal control system for the real-time operation of low bit-rate coders. This control problem differs from its classical version, since the control system must decide for each video frame whether it can be coded or it must be skipped, apart from deciding the coding parameters for each coded video frame. The control policy, which specifies this decision process, is obtained as the solution of a stochastic dynamic programming problem. This problem corresponds to a formal specification of the rate control issue, which results from the previous obtainment of a stochastic model of the video coder behavior and a cost function whose minimization becomes the target of the regulation task. The approach is tested on a standard implementation of an H.263 coder.

Citation Download Citation

Jose Ignacio Ronda, Alvaro Bescos, Martina Eckert, and Fernando Jaureguizar "Optimal real-time control of low-bit-rate coders", Proc. SPIE 4067, Visual Communications and Image Processing 2000, (30 May 2000); https://doi.org/10.1117/12.386589

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