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- 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
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
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
target-detection-in-sea-clutter
- 作者分析了海杂波的多普勒谱特性,给 出了两种基于多普勒谱特征的检测方法,应用联合瑞利概率密度函数描述海杂波 多普勒谱的统计特性和熵值方式表示多普勒谱的波形特性。 -As the present study on sea clutter are shown, based on the analysis of sea clutter Doppler spectrum characteristics, two target detection algorithms are propo
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
WignerVille2014
- 本文将小波图像分解和信息熵特征提取相结合,提出一种新的掌纹特征提取算法。该算法首先对掌纹灰度图像进行二维小波分解,再利用多分辨信息熵分别计算不同尺度下的能谱熵作为特征向量,从而实现掌纹特征提取。该算法不但避免了图像增强和纹理细化等预处理过程,而且运用多分辨信息熵的自适应计算方法来调节分解级数,使得到的特征向量长度远小于传统算法。-In this paper, wavelet image decomposition and information entropy feature extractio
Marx20110509
- 本文将小波图像分解和信息熵特征提取相结合,提出一种新的掌纹特征提取算法。该算法首先对掌纹灰度图像进行二维小波分解,再利用多分辨信息熵分别计算不同尺度下的能谱熵作为特征向量,从而实现掌纹特征提取。该算法不但避免了图像增强和纹理细化等预处理过程,而且运用多分辨信息熵的自适应计算方法来调节分解级数,使得到的特征向量长度远小于传统算法。-In this paper, wavelet image decomposition and information entropy feature extractio
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
Maximum-entropy-model
- 一个最大熵模型统计工具,采用特征进行模型构建-A maximum entropy model statistical tool, which uses the feature to construct the model.
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