Iris recognition system is made up by iris localization component, iris image preprocessing, iris feature extraction and classification.
虹膜识别系统一般可由虹膜定位、图像预处理、虹膜特征提取和分类识别几个部分组成。
Method: the host molecule was selected and a single chemical component isolated from volatile oil by the host guest recognition.
方法：应用主客体识别原理，选择主体分子，经重结晶从挥发油中选择分离单一化学成分。
Methods Chemical pattern recognition was performed on the fruits of Ligustrum lucidum collected from various areas of China by PCA (principal component analysis) method.
方法应用主成分分析法(PCA)对来源于全国不同产地的女贞子进行了化学模式识别研究。
This paper presents a comprehensive recognition formula of hailstorm cloud by using principal component analysis.
本文用主分量分析法建立了雷云等强对流天气的综合判别式。
Results Analyzing the data with principal component analysis(PCA) by model recognition, the different agents can be distinguished in the scattered plots.
结果所得的数据通过模式识别法中的主成分分析（PCA），在得分散点图中实现了对不同种类的制剂的区分。
It was established by the Pritzker family in 1979 which filled a void in the recognition of architecture as a major cultural component.
该奖1979年由普利茨凯家族设立，以此来填补一个空白点，即关于肯定建筑艺术是一项主要的文化要素。
Results Analyzing the data with principal component analysis(PCA) by model recognition, the different agents can be distinguished in the scattered plots.
电子舌测定结合主成分分析法（PCA）的结果显示，在第一和第二主成分的得分图上，电子舌可以区分特征十分相近的不同等级的普洱茶。
Results Analyzing the data with principal component analysis(PCA) by model recognition, the different agents can be distinguished in the scattered plots.
电子舌测定结合主成分分析法（PCA）的结果显示，在第一和第二主成分的得分图上，电子舌可以区分特征十分相近的不同等级的普洱茶。
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