| Paper: | MSP-P2.11 | ||
| Session: | Multimedia Systems and Applications | ||
| Time: | Friday, May 21, 13:00 - 15:00 | ||
| Presentation: | Poster | ||
| Topic: | Multimedia Signal Processing: Multimedia Communication and Networking | ||
| Title: | IMPROVED RATE ALLOCATION METHOD BASED ON SLIDING WINDOW FOR FGS VIDEO BIT-STREAM | ||
| Authors: | Yan Liu; Tsinghua University | ||
| Guihua Er; Tsinghua University | |||
| Qionghai Dai; Tsinghua University | |||
| Abstract: | This paper proposes an improved rate allocation method based onsliding window for FGS video bit-stream. It can allocate rate forevery frame in FGS video bit-stream rapidly to smooth videoquality under dynamical channel condition. The paper formulatesFGS rate allocation problem under the time-varying channelcondition using sliding window to record available networkbandwidth. Under the constrained bandwidth, the proposed methodfirst allocates rates in advance and creates a reference window by solving the problem of constant quality constrained FGS rateallocation. Then by refreshing reference and sliding window, rateallocation of other frames can be solved rapidly. Theoreticalanalysis and simulation results for the method demonstrate its low complexity and high performance. | ||
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