A Study of the Sequential MAP Decoding for Variable Length Codes with Self synchronization Strings
碩士 === 國立暨南國際大學 === 資訊工程學系 === 99 === In the past study , Huffman coding has good capability of compression and it have been using to image or video compression widely. The symbol-level trellis has been proposed to correspond to variable length code which coded independent source symbol in 2000 . In...
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| Format: | Others |
| Language: | zh-TW |
| Published: |
2011
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| Online Access: | http://ndltd.ncl.edu.tw/handle/10413953168446115042 |
| Summary: | 碩士 === 國立暨南國際大學 === 資訊工程學系 === 99 === In the past study , Huffman coding has good capability of compression and it have been using to image or video compression widely. The symbol-level trellis has been proposed to correspond to variable length code which coded independent source symbol in 2000 .
In the decoding ,it can use trellis and viterbi algorithm to estimate the maximum a posteriori probability of symbol sequence, but there is error propagation in the Huffman code.The string having self-synchronization capability in the bit stream after Huffman coding is called self-synchronization string.
In[1],this paper proposed the method of maximum a posterior probability decoding with self-synchronization string to achieve improvement in both decoding performance and complexity reduction.
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