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Computing the optimal error exponential function for fixed-length lossy coding in discrete memoryless sources
Yutaka Jitsumatsu
The error exponent of fixed-length lossy source coding was established by Marton. Ahlswede showed that this exponent can be discontinuous at a rate , depending on the probabilit…
Algorithm Families for Computing Information-Theoretic Forms of Strong Converse Exponents in Channel Coding and Lossy Source Coding
Yutaka Jitsumatsu, Yasutada Oohama
The error exponent of a discrete memoryless channel is expressed in two forms. One is Gallager's expression with a positive slope parameter and the other is Csiszar and Korner's in…
The Conditional Information Leakage Given Eavesdropper's Received Signals in Wiretap Channels
Yutaka Jitsumatsu, Ukyo Michiwaki, Yasutada Oohama
Information leakage in Wyner's wiretap channel model is usually defined as the mutual information between the secret message and the eavesdropper's received signal. We define a new…
An Iterative Algorithm for Computing the Optimal Exponent of Correct Decoding Probability for Rates below the Rate Distortion Function
Yutaka Jitsumatsu, Yasutada Oohama
The form of Dueck and Körner's exponent function for correct decoding probability for discrete memoryless channels at rates above the capacity is similar to the form of Csiszár and…