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Signal, Image and Video Processing

, Volume 11, Issue 3, pp 431–438 | Cite as

A receiver aware H.264/AVC encoder for decoder complexity control in mobile applications

  • Mehdi Semsarzadeh
  • Hoda RoodakiEmail author
  • Alireza Aminlou
  • Mahmoud Reza Hashemi
  • Shervin Shirmohammadi
Original Paper
  • 188 Downloads

Abstract

Due to the power limitations of mobile devices, high-quality video decoding is still a main concern, because it quickly drains battery. In this paper, an H.264/AVC receiver aware encoder has been designed that (1) takes into account all of the decoder modules of a receiver, unlike existing RAEs that only consider some of these modules and are therefore sub optimal, and (2) is independent of decoder implementations and platforms. Furthermore, a decoder complexity controller has been proposed that reduces the complexity of different decoder modules, while minimum distortion is achieved. Finally, we formulate and solve a generic RAE optimization problem, and apply this solution to control the computational resource allocation at the macroblock level of a RAE. Our experiments indicate that the proposed approach can reduce the complexity of different modules by up to 10 % with no quality degradation. In addition, the average error of the proposed complexity controller is 0.8 %, making the accuracy of the system very close to 1.

Keywords

Receiver aware encoding Decoder complexity modeling Complexity control H.264/AVC 

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Copyright information

© Springer-Verlag London 2016

Authors and Affiliations

  1. 1.Multimedia Processing Laboratory at the School of Electrical and Computer Engineering, College of EngineeringUniversity of TehranTehranIran
  2. 2.K. N. Toosi University of TechnologyTehranIran
  3. 3.University of OttawaOttawaCanada

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