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- W2381854123 abstract "In this paper,we proposed an efficient joint source-channel rate control algorithm for real-time wireless video transmission which use automatic repeat request scheme to retransmission the error packet.The two-state Markov model was used to simulate the wireless channel,and the Cauchy-distribution-based rate and distortion model were used as the source model.In the new scheme,at frame level,a PID-controller-based buffer control algorithm was developed to improve the buffer control ability which allocated frame target bit based on the channel bandwidth and buffer status;at macroblock level,the frame bit-budget was distributed among macroblocks using the new rate-distortion model and Lagrange optimization method.Experimental results show that,the proposed algorithm can improve the average PSNR and decrease the number of skipped frames significantly." @default.
- W2381854123 created "2016-06-24" @default.
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- W2381854123 date "2008-01-01" @default.
- W2381854123 modified "2023-09-26" @default.
- W2381854123 title "A Rate Control Algorithm for H.264 Low-delay Video Transmission over Wireless Network" @default.
- W2381854123 hasPublicationYear "2008" @default.
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