Presentation 1999/3/11
The Optimal Overflow and Underflow Probabilities with Variable-Length Coding for the General Source
Osamu Uchida, Te Sun Han,
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Abstract(in English) In variable-length coding, the probability of fixed-to-variable codeword length per source letter being above (resp. below) a prescribed threshold is called the overflow (resp. the underflow) probability. In this paper, we show that the infimum achievable threshold given the overflow probability exponent γ always coincides with the infimum achievable fixed-length coding rate given the error probability exponent γ, without any assumptions on the source. In the case of underflow probability, we can also show the similar results. From these results, we can utilize various theorems and results on the fixed-length coding established by Han for the analysis of overflow and underflow probabilities.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) general sources / variable-length code / overflow probability / underflow probability / reliability function of source coding
Paper # IT98-96
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Committee IT
Conference Date 1999/3/11(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) The Optimal Overflow and Underflow Probabilities with Variable-Length Coding for the General Source
Sub Title (in English)
Keyword(1) general sources
Keyword(2) variable-length code
Keyword(3) overflow probability
Keyword(4) underflow probability
Keyword(5) reliability function of source coding
1st Author's Name Osamu Uchida
1st Author's Affiliation Graduate School of Information Systems University of Electro-Communications()
2nd Author's Name Te Sun Han
2nd Author's Affiliation Graduate School of Information Systems University of Electro-Communications
Date 1999/3/11
Paper # IT98-96
Volume (vol) vol.98
Number (no) 654
Page pp.pp.-
#Pages 6
Date of Issue