Transcoding Of Mpeg-Ii For Enhanced Resilience To Transmission Errors (1996)
| Venue: | in Proc. of 1996 Int. Conf. on Image Processing |
| Citations: | 10 - 1 self |
BibTeX
@INPROCEEDINGS{Swann96transcodingof,
author = {Robert Swann and Nick Kingsbury},
title = {Transcoding Of Mpeg-Ii For Enhanced Resilience To Transmission Errors},
booktitle = {in Proc. of 1996 Int. Conf. on Image Processing},
year = {1996},
pages = {813--816}
}
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Abstract
This paper is concerned with the performance of MPEGII compressed video[1] when transmitted over noisy channels, such as for digital terrestrial television. We present the results of bit sensitivity and resynchronisation sensitivity measurements, and propose techniques for substantially improving the resilience of MPEG-II to transmission errors without increasing the bit rate. 1. INTRODUCTION Standard techniques for improving the MPEG-II noise performance [2, 3] concentrate on forward error correction (FEC). These techniques add redundancy thereby lowering the coding efficiency. FEC also causes abrupt failure as the errorrate increases. Instead we consider the lossless `black box' approach of figure 1 where MPEG-II data is transcoded into a more resilient structure without increasing the bit rate, transmitted over a noisy channel, and finally recoded back into a compliant MPEG-II format, suitable for input to an MPEG-II decoder. The lossless transcoders are designed to provide substan...
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