間隔編碼和新近隊(duì)列編碼的研究
STUDY OF INTERVAL AND RECENCY RANK SOURCE CODING
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摘要: Elias提出的間隔編碼和新近隊(duì)列編碼對(duì)統(tǒng)計(jì)特性未知的信源是良好的自適應(yīng)信源編碼.本文論證了間隔編碼和新近隊(duì)列編碼的效率以概率隊(duì)列編碼的效率為上界,并將Elias的離散無(wú)記憶信源模型下的間隔編碼和新近隊(duì)列編碼推廣到了有限狀態(tài)有記憶信源.
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關(guān)鍵詞:
- 編碼; 間隔編碼; 新近隊(duì)列編碼; 概率
Abstract: Interval and recency rank coding, which are invented by Elias, are good adaptive source coding schemes for independent source. The upper bound of coding efficiency of the two schemes is shown to be that of probability rank coding, and the concept of interval and recency rank coding is extended to relative sources. -
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