Error bounds for high-resolution quantization with Rényi-α-entropy constraints
Error bounds for high-resolution quantization with Rényi-α-entropy constraints
复制标题
具有 Rényi-α 熵约束的高分辨率量化的误差范围
DOI:
10.1007/s10474-010-9079-9
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发表时间:
2010
影响因子:
0.9
通讯作者:
W. Kreitmeier
中科院分区:
文献类型:
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作者:
W. Kreitmeier
We consider the problem of optimal quantization with norm exponentr> 0 for Borel probability measures on ℝdunder constrained Rényi-α-entropy of the quantizers. If the bound on the entropy becomes large, then sharp asymptotics for the optimal quantization error are well-known in the special casesα= 0 (memory-constrained quantization) andα= 1 (Shannon-entropy-constrained quantization). In this paper we determine sharp asymptotics for the optimal quantization error under large entropy bound with entropy parameterα∈ [1+r/d,∞]. Forα∈ [0,1 +r/d] we specify the asymptotical order of the optimal quantization error under large entropy bound. The optimal quantization error is decreasing exponentially fast with the entropy bound and the exact rate is determined for allα∈ [0, ∞].
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DOI:
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发表时间:
1990
期刊:
影响因子:
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作者:
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通讯作者:
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DOI:
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发表时间:
2010
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2002
期刊:
IEEE Trans. Inf. Theory
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