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IEEE TRANSACTIONS ON IMAGE PROCESSING, VOL. 14, NO. 7, JULY 2005 849 Distributed Video Streaming Using Multiple
 

Summary: IEEE TRANSACTIONS ON IMAGE PROCESSING, VOL. 14, NO. 7, JULY 2005 849
Distributed Video Streaming Using Multiple
Description Coding and Unequal Error Protection
Joohee Kim, Russell M. Mersereau, Fellow, IEEE, and Yucel Altunbasak, Senior Member, IEEE
Abstract--This paper presents a distributed video streaming
framework using unbalanced multiple description coding (MDC)
and unequal error protection. In the proposed video streaming
framework, two senders simultaneously stream complementary
descriptions to a single receiver over different paths. To mini-
mize the overall distortion and exploit the benefits of multipath
transport when the characteristics of each path are different, an
unbalanced MDC method for wavelet-based coders combined
with a TCP-friendly rate allocation algorithm is proposed. The
proposed rate allocation algorithm adjusts the transmission rates
and the channel coding rates for all senders in a coordinated
fashion to minimize the overall distortion. Simulation results show
that the proposed unbalanced MDC combined with our rate allo-
cation algorithm achieves about 16 dB higher peal signal-to-noise
ratio compared to conventional balanced MDC when the available
bandwidths along the two paths are different under time-varying

  

Source: Altunbasak, Yucel - School of Electrical and Computer Engineering, Georgia Institute of Technology

 

Collections: Engineering