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CSREAESA
2003

A Comparative Study of Dynamic Voltage Scaling Techniques for Low-Power Video Decoding

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A Comparative Study of Dynamic Voltage Scaling Techniques for Low-Power Video Decoding
This paper presents a comparison of power-aware video decoding techniques that utilize Dynamic Voltage Scaling (DVS) capability. Three techniques were simulated and compared in terms of power consumption, accuracy, and deadline misses. The simulation results show that the dynamic per-frame technique, where the decoding time prediction adapts to the particular video being decoded, is the most promising approach due to its feasibility of implementation and comparable performance to the ideal case. Our findings also indicate that in general, as the number of available processor settings increases, the amount of power saving increases, but the number of deadline misses increases as well. More importantly, most of these deadline misses are within 10-20% of the playout interval and thus insignificant. However, video clips with high variability in frame complexities combined with inaccurate decoding time predictions may degrade the video quality. Finally, our results show that a processor wi...
Eriko Nurvitadhi, Ben Lee, Chansu Yu, Myungchul Ki
Added 31 Oct 2010
Updated 31 Oct 2010
Type Conference
Year 2003
Where CSREAESA
Authors Eriko Nurvitadhi, Ben Lee, Chansu Yu, Myungchul Kim
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