Fast Construction Of Almost Optimal Symbol Distributions For Asymmetric Numeral Systems
2019 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY (ISIT)(2019)
摘要
A crucial task in the design of an efficient ANS encoder consists in choosing a favourable symbol distribution. This task seems to be hard, due to its combinatorial nature, in particular for the tANS variant of ANS, which is the focus of this work. We present a fast technique that builds almost optimal symbol distributions for the stream variant of tANS.
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关键词
fast construction,asymmetric numeral systems,favourable symbol distribution,combinatorial nature,ANS encoder,almost optimal symbol distributions
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