Adaptive Critic Design for Energy Minimization of Portable Video Communication Devices
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Portable video communication devices operate on batteries with limited energy supply. However, video compression is computationally intensive and energy-demanding. Therefore, one of the central challenging issues in portable video communication system design is to minimize the energy consumption of video encoding so as to prolong the operational lifetime of portable video devices. In this work, we consider a video encoder as a nonlinear system with a number of encoder parameters to its power consumption. We explore the approach of adaptive critic design to control and optimize the power consumption behavior of a portable video encoding system. Our experimental results demonstrate that this approach is very efficiently, being able to achieve the optimum performance accurately and robustly.
Proceedings of 17th International Conference on Computer Communications and Networks, p. 1-5, Aug. 3-7, 2008.
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