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Pattern Recognition Lab
I am,I be............
Sunday, February 11, 2007
非参数估计
非参数估计:密度函数的形式未知,也不作假设,利用训练数据直接对概率密度进行估计。又称作模型无关方法。
参数估计需要事先假定一种分布函数,利用样本数据估计其参数。又称作基于模型的方法.两种主要方法:
核函数方法 :(1)Parzen窗法 ;(2)k-N-近邻法;
神经网络方法:PNN
1 comment:
星云的BLOG
said...
多多指教 谢谢
1:51 pm
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shapingba, chongqing, China
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1 comment:
多多指教 谢谢
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