Two improvements have been adopted in this paper for encoder error resilience based on the analysis of the code stream structure of MPEG-4.One is achieved by not using the AC prediction for DCT,the other is achieved by encoding all the four modes of MB of B frame.The two improvements have been proved to enhance the error resilience without decreas-ing the encode efficiency by experiments.Besides,an error detect method which can prevent the decoding error for the next video packet head is used,and a res...
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