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adxcvbv
- 基于最大熵的汉语人名识别方法研究 针对人名的特点,建立了特征模板,并在此基础上提取了特征集,利用特征选择算法提取了有效特征,并建立了一个基于最大熵的人名识别模型。 -Chinese name based on the maximum entropy method for identifying the characteristics of names, the establishment of a feature template, and on this basis set of fe
lubangxingdetuxiangpinjie
- 图像拼接的核心是图像的配准.提出一种准确、高效的图像拼接方法:利用Harris角点检测算子提取相邻图 像的特征点,通过Euclid度量改进熵变换的算法,进行特征点匹配,并通过最小均值二乘估计求解相邻图像的变换 矩阵,以此实现宽视角图像的拼接.实验结果表明:所给出的算法能够实现场景图像的精确匹配. -Image mosaic is the core of image registration. Make an accurate and efficient method of image
matlabwavelettransform
- 利用matlab编程对遥感图像的熵值进行计算,并对其进行小波变换,统计遥感图像在小波域的特性-Matlab Programming for remote sensing images using the entropy values calculated, and its wavelet transform, statistical remote sensing images in the wavelet domain feature
patternrecognitionfuzzyclassifiy0912
- 模式分类,提取的新特征,包括熵和尺寸特征,可分性好效果明显-pattern recognition ,new feature incuding entropy and size feature, better performance
xinxishang
- :将信息论中熵的概念应用到特征选择中,定义了两种信息测度评价特征——误差熵和混叠熵,然后阐述了两种定义的不 用物理意义,分析了计算熵中最关键的区间划分问题,并提出一种较好的区间划分方法。-: The concept of entropy in information theory applied to feature selection, the definition of information measure evaluation of two features- error entro
wenlitezhengtiqu
- 包括计算共生矩阵、对共生矩阵归一化、对共生矩阵计算能量、熵、惯性矩、相关4个纹理参数、求能量、熵、惯性矩、相关的均值和标准差作为最终8维纹理特征 -Including the calculation of co-occurrence matrix, normalized to the co-occurrence matrix, co-occurrence matrix calculation on the energy, entropy, moment of inertia, related t
Image_Feature_Selection_Method_Based_on_Immune_Enc
- 针对目标与背景两类图像模式识别问题,在已有的特征选择方法基础上,提出了一种新颖的基于免疫分子编码机理的图像特征选择方法(IACA). 该方法借鉴生物免疫系统的抗体分 子编码机理,在对样本进行参数估计情况下,提出熵度量单个特征对于目标和背景的识别敏感度 从集合的角度研究并且定义了特征之间的包含和互补关系 并且基于组成抗体分子氨基酸结合能量最小原则,提出了关于图像目标的免疫抗体构建规则 最终实现了寻找最优特征子集的算法IACA ,该特征子集的维数通过算法自动获得无需人为设定,选择结果为目标的“免
Grayco-occurrencematrixbasedonfuzzyhiddenMarkovmod
- 通过对断口图像FGLCM的14个特征统计量进行相关性分析,选择角二阶矩和熵等7个统计量作为特征参数,并验证了其有效性.最后,在4类典型断口图像的特征空间上,采用隐马尔夫模型(HMM)进行分类识别。-On the fracture characteristics of the 14 images FGLCM correlation analysis statistics, select the angular second moment and entropy 7 statistics as pa
chip_histogram_features
- 特征提取是模式识别中最重要的一个部分,这里提供的matlab代码计算一些基本的话音特征,而且,提供了一个简单的基于直方图的特征分类方法的实现。基本的特征包括:特征统计、Energy Entropy Standard Deviation (std)、均值信息熵、过零率检测、频谱衰减等等六个特征-Pattern recognition feature extraction is the most important part, here' s matlab code to compute so
flowercloud
- 基于云模型的花片特征提取算法,该算法通过云模型的逆向正态云发生器,由样本点信息,求解出三类花四个特征参数各自的数字特征:期望、熵、超熵。-Based on Cloud Model Motif feature extraction algorithm, which cloud model of reverse normal cloud generator, the sample point information, solving the three spent four the number o
d4ef13.ZIP
- 基于信息熵融合提取特征的发动机气路分析Based on the information entropy feature extraction engine gas path analysis-Based on the information entropy feature extraction engine gas path analysis
Texture-feature-code-matlab
- matlab最全纹理特征代码,灰度共生矩阵软件自带,就不传了。里面有tamura六个参数,灰度梯度共生矩阵的纹理特征,还有熵。-matlab the best texture feature code, the GLCM software comes not passed. Tamura six parameters, the shades of gray co-occurrence matrix texture features, as well as entropy.
Wavelet-Entropy
- 文中从小波变换的角度出发,通过在尺 度域上对信号能量的一种划分,引入了小波能谱与小波熵作为信号特征提取的特征量来反映系统信号的统计特征。实验结果表明,该算法能有效提取弹丸激波信号特征,速度快、准确率高,而且具有对噪声不敏感的优势。 -Paper, starting from the point of view of the wavelet transform, introduced by a division of the signal energy scale domain, wave
ENtropy-Sift
- This Function Calculates The Difference of Gaussian for SIFT feature detection input parameter definition 1. Pyramid=image 2. NumOfLevel=levels to be calculated 3. InitSigma=initial variance of Gaussian-This Function Calculates The Di
Sample-entropy-calculation
- 计算样本熵值程序,可实现故障信号特征提取,复杂度-Sample entropy calculation procedure can achieve signal feature extraction
approximate-entropy-matlab-program
- 通过近似熵函数 提取数据特征并画出曲线,可以直接运行-By approximate entropy feature extraction data and draw the curve, you can directly run
GLCM-feature-extraction-procedures
- 灰度梯度共生矩阵 H 归一化灰度梯度矩阵 H_basic 小梯度优势 T1 大梯度优势 T2 灰度分布的不均匀性 T3 梯度分布的不均匀性 T4 能量 T5 灰度平均 T6 梯度平均 T7 灰度均方差 T8 梯度均方差 T9 相关 T10 灰度熵 T11 梯度熵 T12 混合熵 T13 惯性 T14 逆差矩 T15-GGCM H normalized gray gradient matrix H
histogram feature
- Descr iption: % ------------ % This function is to obtain state of the art histogram based features % such as: % Mean % Variance % Skewness % Kurtosis % Energy % Entropy
huidu
- 将RGB图像转化成灰度图像,并利用灰度共生矩阵计算熵特征图像。-RGB image is converted to grayscale images, and calculate the entropy feature image use GLCM.
feature_extraction
- %This is a function to compute the entropy of an image