Grubel-Lloyd指数,Grubel-Lloyd index
lloyd quantizationLloyd量化
3)Lloyd algorithmLloyd算法
1.The algorithm modifies the general Lloyd algorithm.该算法改进了通用型Lloyd算法,并基于改进型Lloyd算法生成了由一系列正交码本子集组成的空分多址系统的码本。
4)generalized Lloyd algorithm(GLA)广义Lloyd算法
5)Lloyd-Max quantizerLloyd-Max量化器
1.At high bit rates and low bit rates, the uniform and non-uniform Lloyd-Max quantizer optimized for Gaussian statistics is respectively used to quantize the wavelet coefficients in order to get the optimum quantization gain.在该算法中,针对SAR原始数据特点,提出一种有效的小波子带比特分配策略,为获得最优量化增益,在高比特率和低比特率两种情况下,分别采用均匀和非均匀Lloyd-Max量化器对小波系数进行量化。
6)Lloyd style iterative algorithmLloyd迭代算法
1.The general context quantization problem is analyzed in detail and showed that context quantization is similar to a common vector quantizer can be designed by a Lloyd style iterative algorithm.详细分析了一般context量化存在的问题 ,提出context量化与一般矢量量化问题的相似性 ,并且证明了 ,如果设定了一个合适的失真度量准则 ,运用Lloyd迭代算法可设计出最优的context量化
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