非监督分类
- 网络unsupervised classification
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双波段全极化SAR图像非监督分类方法及实验研究
Unsupervised Classification Methods and Experimental Research of Dual-frequency Fully Polarimetric SAR Images
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基于H-α和改进C-均值的全极化SAR图像非监督分类
Unsupervised Classification of Fully Polarimetric SAR Image Using H - α Decomposition and Modified C-Mean Algorithm
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基于全极化SAR非监督分类的迭代分类方法
The Iteration Classification Method and Experiment Study Based on Unsupervised Classification of Fully Polarimetric SAR Image
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文章提出了一种新的基于遗传策略和模糊ART(AdaptiveResonanceTheory)神经网络的非监督分类方法。
A new unsupervised classification method using evolutionary strategies and fuzzy ART ( adaptive resonance theory ) neural networks is proposed in this paper .
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基于多通道Gabor滤波器的纹理图像非监督分类
Unsupervised Texture Segmentation Via Multi-channel Gabor Filters
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随着对极化SAR(syntheticApertureRadar)图像分类研究的深入,近年来许多监督和非监督分类方法被相继提出。
With the deep research of the polarimetric SAR ( Synthetic Aperture Radar ) image classification , many supervised and unsupervised classification methods have been proposed one after another in recent years .
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本文在全极化合成孔径雷达(SAR)特征分解和最大似然估计(ML)分类的基础上,提出基于全极化SAR极化特征分解及最大似然估计的非监督分类迭代算法。
Based on the theory of eigen-decomposition of fully polarimetric Synthetic Aperture Radar ( SAR ) and maximum likelihood ( ML ) classifier , an unsupervised iteration classification method is proposed .
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接着详细分析了SAR图像中相干斑的形成机理及其数学描述和统计特性,实现并分析了经典的相干斑抑制算法和基于极化分解的极化SAR非监督分类算法。
Analysis the SAR image speckle formation mechanism , mathematical description and statistical properties detailedly . Then summarize the classical polarization SAR speckle reduction algorithms and non-supervised classification algorithms based on polarimetric decomposition .
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利用美国陆地卫星的TM图像资料,对山东省桓台县和垦利县TM图像资料进行计算机几何校正和不同的增强处理,以分类和非监督分类两种方法提取耕地信息。
The TM image materials of Huantai County and Kenli County were emendated geometrically and enhanced differently , and the farm land information was derived by supervised classification and unsupervised classification .
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利用1996年和1986年秋季陆地卫星TM数据,将计算机监督分类与非监督分类识别方法结合应用进行草地的解译,改进算法,改善遥感图像的识别精度。
Grasslands had been revised with the method combined supervised and non-supervised classifications using Landsat data in autumn of 1996 and 1986 . The advanced algorithm was used to improve the accuracy .
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同时应用传统的监督分类方法(最小距离法和SAM法)和非监督分类方法(K-均值法和ISODATA法)进行分类。
Traditional supervised classification method ( Minimum Distance and Maximum Likelihood ) and unsupervised classification method ( K-Means and ISODATA ) were also used in this paper .
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在用TM遥感图像对土壤类型进行非监督分类的基础上,建立了正向推理与逆向推理相结合的推理机制,对土壤类型进行分类识别决策。
On the basis of non_supervising classification for soils with TM images , the author discusses the reasoning mechanism by combining the direct inference combined with inverse reasoning for soil classification and recognition decision .
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利用1998年9月28日TM卫星数据,经过数据校正、影像增强和非监督分类等处理,制作卫星影像分类图,建立判读标志;
Landsat / TM image data was used as data source in the study , and the image data was processed with the support of the methods-geometric correction , spatial enhancement and unsupervised classification .
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深入讨论了基于H-α分割的Wishart非监督分类方法在农作物分类中的性能;
The performance of Wishart classification for crops based on H - α segmentation plane is discussed in detail firstly .
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对1999年的Landsat-TM进行非监督分类,得到1999年的植被分布图。
Direct unsupervised classification is made to 1999 Landsat-TM image , and gets the 1999 vegetation distribution image .
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在论文中,详细介绍了传统的非监督分类方法K&means算法及ISODATA算法,并在此基础上,提出了基于概率模型的K-means算法和模糊ISODATA算法。
In the paper , the traditional un-supervised classification such as K-means , Isodata are shown detailedly . Based on this , K-means in the Gauss distribution , Rayleigh distribution and fuzzy Isodata are introduced .
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通过对福州市TM图像资料进行几何校正和不同的增强处理,以监督分类和非监督分类两种方法提取人工建筑物信息,并与目视解译相比较。
The TM image material of Fuzhou city were emendated geometrically and enhanced differently , and the artificial building information was derived by supervised classification and unsupervised classification , at the same time , those information were compared with the result of translated by eyes .
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利用ERDAS的非监督分类和监督分类对遥感影像进行解译,结合实地调查生成了周边地区土地利用类型图;
Translated the remote sensing reflection and investigated the spot by unsupervised classification and supervised classification of ERDAS . As a result , the periphery district land utilization type picture was generated .
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取1990年、1995年、2000年和2005年4个时相覆盖广州市的TM遥感影像为数据源,经非监督分类及人工目视解译,获得研究区各时相土地覆被类型图。
Four TM remote sensing images of Guangzhou in 1990 , 1995 , 2000 and 2005 were taken as data for the present study . The images fully covered the area of Guangzhou . The data sources of land-cover landscape were translated under manual and un-supervised interpretations with GIS software .
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对不同分区进行非监督分类研究,根据地面状况确定非监督分类初次分类数、参考2004年目视解译结果确定自动分类重编码(Recode)方式,分类精度达到60~70%;
· Unsupervised classification was explored in each subarea , and the feasible number of the first classification and the appropriate way of recoding were fixed while the precision can reach 60-70 % .
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实验结果表明基于BDSET和FDSET融合的分类方法比传统的非监督分类方法具有更好的分类效果,有效地提高了分类的精度。
The experimental results show that these two classification methods of multi-sources information fusion can result in better accuracy than that of conventional unsupervised classification method .
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本文通过运用ASTER遥感影像数据,对不同地物进行光谱分析,根据不同地物在不同波段的光谱特征曲线,分别提取植被和水体信息,然后进行非监督分类。
In this paper , ASTER image was used to analyze the spectral characteristics of different ground objects . According to the spectral characteristic curves of different ground objects in different bands , the information on plants and water bodies were picked up , and unsupervised classification was carried out .
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通过监督分类和非监督分类估算了洪水淹没范围;
The inundated area is estimated by supervised and unsupervised classification ;
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非监督分类中初始聚类中心法的比较研究
The comparative research of initializing cluster centers for unsupervised classification
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模糊聚类是非监督分类中的一类重要方法。
Fuzzy clustering is an important method in unsupervised classification .
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基于遗传策略和神经网络的非监督分类方法
The Unsupervised Classification Using Evolutionary Strategies and Neural Networks
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多相位水平集高分辨率遥感影像非监督分类
Unsupervised Classification of High Resolution Remote Sensing Imagery Using Multiphase Level Set Method
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其中,传统的沙化信息提取技术包括监督与非监督分类法及目视解译法;
The former incorporate supervision and non-supervision classification methods and visual interpretation methods ;
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一种模型选择优化准则及其在高光谱图像非监督分类中的应用
An Unsupervised Classification Method Based on a Model Selection Criterion for Hyperspectral Data
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通过改进采样方法,在非监督分类生成的初始训练样本的基础上,进行删除、增补、合并等样本调整,使训练样本的选取精度大大提高,明显提高了分类精度。
By improving the signature selection accuracy , this method improves classification accuracy greatly .