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Dynamic bitstream switching using progressive S-frames for scalable video transmission

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3 Author(s)
Ju-Hun Nam ; Korea University, Seoul, Korea ; Byeong-Doo Choi ; Sung-Jea Ko

In this paper, a new dynamic bitstream switching method using progressive S-frames is presented. The progressive S-frames method can effectively switch two pre-encoded streams by reducing progressively the quantization mismatch. Progressive S-frames can provide better coding efficiency than an S-frame. Moreover, the proposed method can avoid the buffer overflow at the encoder and decoder sides while providing a soft transition between the quality levels of two bitstreams. The simulation results show that the proposed method is useful for the bit rate adaptation in heterogeneous networks.

Published in:

IEEE Transactions on Consumer Electronics  (Volume:54 ,  Issue: 4 )