According to the Taylor series,logarithm and division in CEF are transformed into multiplication.
该算法利用泰勒级数将交叉熵函数中的对数和除法运算转化为乘法运算,简化了运算过程。
参考来源 - 运动人体阴影检测算法At present we already use tradition method(non-linearity parameter estimate method -, logarithm coordinate graph explain method and surplus analysis method) ascertain measure area’s every element’s background value and abnormity lower limit,manage result is difference between real data.
目前可用传统的方法(非线性参数估计法、对数坐标图解法和剩余分析法)确定测区各元素的背景值和异常下限,处理结果与实际资料有一定差异。
参考来源 - 分形理论在元素地球化学异常中的应用·2,447,543篇论文数据,部分数据来源于NoteExpress
N-COUNT In mathematics, the logarithm of a number is a number that it can be represented by in order to make a difficult multiplication or division sum simpler. 对数
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