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Iterating Von Neumann's Procedure for Extracting Random Bits
The Annals of Statistics
Vol. 20, No. 1 (Mar., 1992), pp. 590-597
Published by: Institute of Mathematical Statistics
Stable URL: http://www.jstor.org/stable/2242181
Page Count: 8
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Given a sequence of independent, identically distributed random biased bits, von Neumann's simple procedure extracts independent unbiased bits. In this note we show that the number of unbiased bits produced by iterating this procedure is arbitrarily close to the entropy bound.
The Annals of Statistics © 1992 Institute of Mathematical Statistics