The Z-coder adaptive binary coder

L. Bottou, P. Howard, Yoshua Bengio
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引用次数: 56

Abstract

We present the Z-coder, a new adaptive data compression coder for coding binary data. The Z-coder is derived from the Golomb (1966) run-length coder, and retains most of the speed and simplicity of the earlier coder. The Z-coder can also be thought of as a multiplication-free approximate arithmetic coder, showing the close relationship between run-length coding and arithmetic coding. The Z-coder improves upon existing arithmetic coders by its speed and its principled design. We present a derivation of the Z-coder as well as details of the construction of its adaptive probability estimation table.
z编码器自适应二进制编码器
提出了一种用于二进制数据编码的自适应数据压缩编码器- z编码器。z编码器源自Golomb(1966)运行长度编码器,并保留了早期编码器的大部分速度和简单性。z编码器也可以被认为是一个无乘法的近似算术编码器,显示了运行长度编码和算术编码之间的密切关系。z编码器在速度和原理设计上改进了现有的算术编码器。我们给出了z编码器的推导及其自适应概率估计表的构造细节。
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