Power aware decoding of a scalable video bit-stream

  • Authors:

  • Shakeel Sultan;Fakhar Ahsan;Nadeem Khan;Ahmed Majeed Khan

  • Affiliations:

  • Department of Computer Science and Engineering, Lahore University of Management Sciences, Lahore, Pakistan;Department of Computer Science and Engineering, Lahore University of Management Sciences, Lahore, Pakistan;Department of Computer Science and Engineering, Lahore University of Management Sciences, Lahore, Pakistan;Department of Electrical and Computer Engineering, Michigan State University, East Lansing, Michigan

  • Venue:
  • SPECTS'09 Proceedings of the 12th international conference on Symposium on Performance Evaluation of Computer & Telecommunication Systems
  • Year:
  • 2009

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Abstract

Due to an increasing trend of mobile multimedia services, consideration of power is crucial since portable devices have limited battery power inherently. In this paper we have proposed a power adaptive decoding scheme which makes efficient use of scalable (layered) bit-stream. The proposed decoder has a novel ability to either decode whole bit stream (all layers) or a portion of the bit stream (few layers) depending upon the available power. Experimental results show that the decoding time of proposed framework outperformed that of standard H.264 decoder by 86% for foreman sequence, in low battery levels.