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Quality Weighted Bit Allocation for Smoother Streaming of Stored FGS Video

  • Zhibo Chen
  • Yun He
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2195)

Abstract

In this paper, a Fine Granularity Scalability (FGS) streaming framework together with a Quality Weighted Bit Allocation scheme for enhancement-layer is first proposed to achieve smooth video quality even under channel conditions with a wide range of bandwidth variation. PSNR is used as a quality metric and a theoretical analysis on how to maintain a smooth quality is given. We will show, however, taking advantage of the priori information of the PSNR value of the base-layer reconstructed frames will help in providing a consistent video quality. Simulations show that variance of the PSNR of decode frames decreased a lot with the average PSNR increased.

Keywords

Fine Granularity Scalability (FGS) video streaming Quality Weighted Bit Allocation smooth quality 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2001

Authors and Affiliations

  • Zhibo Chen
    • 1
  • Yun He
    • 1
  1. 1.State Key Lab on Microwave & Digital CommunicationsDept. of Electronic Engineering, Tsinghua UniversityBeijingChina

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