1)  Unsupervised
无监督聚类分析
2)  Unsupervised classification
无监分类
3)  unsupervised
无监督
1.
Novel unsupervised anomaly detection based on robust principal component classifier;
基于健壮主成分分类器的无监督异常检测方法研究
2.
The paper proposes an unsupervised training method for acquiring probability models that accurately segment Chinese character sequences into words.
接着论述了EM算法用于训练分词语言模型的可能性和局限性,为了解决EM算法严重依赖初始化条件的问题,用无监督训练方法建立概率模型,有效地解决了基于EM算法中文分词时可能存在的局部极值问题,提高分词精度。
3.
In order to overcome the weakness of statistical texture segmentation method,a new unsupervised texture segment algorithm,based on multi-resolution statistical model,was present.
针对基于统计的纹理分割算法存在的不足,提出了一种新的多分辨模型下的无监督统计纹理分割算法。
4)  unsupervised classification
无监督分类
1.
To avoid the disadvantage of getting into local optimum solution with general numerical computation methods in the general independent component analysis and the restriction of neuron activation functions of neural learning algorithm,an improved model of independent component analysis(ICA) based on genetic algorithm was proposed for the unsupervised classification of hyperspectral data.
针对独立成分分析在使用常规数值求解时容易陷入局部最优解的问题,以及采用神经学习算法时神经元激活函数的限制问题,将遗传算法与独立成分分析相结合,并对模型进行改进,提出了适合于高光谱数据无监督分类的模型。
2.
In order to classify the data of Hyperspectral remote sensing images automatically without prior knowledge,an unsupervised classification algorithm is presented based on the conception of convex geometry and spectral features in this paper.
为了实现对无任何先验知识的高光谱遥感数据的全自动分类,提出了一种关于高光谱图像的无监督分类算法。
3.
In this study,a novel artificial immune system algorithm for unsupervised classification and recognition is proposed by using a novel manifold distance based dissimilarity measure which can measure the geodesic distance along the manifold.
将一种新的流形距离作为相似性度量测度,提出了一种用于无监督分类与识别的人工免疫系统方法。
5)  unsupervised learning
无监督学习
1.
The learning of connectionism,which consists mainly of supervised learning,intensive learning and unsupervised learning,is modelled after the learning of human beings.
其学习是对人类学习的模拟,主要有监督学习、强化学习和无监督学习三种。
2.
The result of the feature selection in unsupervised learning is not as satisfactory as that in supervised learning.
无监督学习环境下的特征选择往往无法取得像有监督学习环境下那样令人满意的效果。
3.
The paper puts forward the method that based on the neural network unsupervised learning, also, improves the index on separation effects.
提出基于神经网络无监督学习的盲分离方法,并改进了分离效果评判指标。
6)  unsupervised segmentation
无监督分割
1.
Multiresolution likelihood ratio for unsupervised segmentation of SAR imagery;
基于广义多分辨似然比的SAR图像无监督分割
2.
An unsupervised segmentation of SAR imagery based on Multiscale image block is proposed.
提出了一种基于多尺度图像块的SAR图像无监督分割方法。
参考词条
补充资料:非系统聚类分析
分子式:
CAS号:

性质: 又称非谱系聚类分析。先将各样本粗略分为K个初始类,计算各类形心的坐标,再计算每个样本到类形心的距离,重新将样本聚集到最近距离的类中。再重新计算接受和失去了样本后的各类的形心,再对每个样本进行归类。循此进行,直到每个样本都归到了它与其类形心最靠近的类中,聚类过程停止,最后形成K类。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。