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PRI feature vector 重频特征向量
The establishment of fault feature vector is a precondition to fault diagnosis. 电机故障特征相量的确立是进行故障诊断的前提。
In view of the luminance and the chrominance of the image, the class feature vector is extracted. 该算法利用彩色图像的亮度和色度进行分类特征矢量的选择。
One speaker identification system by extracting MFCC as feature vector and using VQ in match phase is constructed. 只要矢量量化聚类法码本大小选择合适,该说话人识别系统就可以获得较好的识别效果。
Based on the above,the algorithm can use the additivity of set feature vector to cluster data just by scan... 在此基础上,利用集合特征向量加法法则运算,只需扫描一次信息表就可实现对数据对象的聚类划分。实验结果表明该算法是有效可行的。
For example, 13 means concatenation of first-order gradient and norm luminance as feature vector. 比如：13意味着第一顺序梯度和常规亮度在特征向量上的组合。
Colligating AR parameter model coefficient and Wavelet packet decomposition energy feature,we get feature vector of battlefield sound-target. 综合AR参数模型系数和小波包分解能量特征,获得战场声目标特征矢量。
Using the subimage of an unknown target as feature vector and minimum distance rule for target recognition, experiments on simulated data are done. 对未知目标,以其子像对库矢量的欧氏距离最小为分类准则,进行了识别模拟实验。
All of those lower resultant image and original image are integrated to a feature vector of a pixel. Those pixels are segmented by Gaussian mixture models. 分解后的小波系数和图像共同组成了相应像素的特征向量,然后利用高斯混合模型进行分割。
A 28-dimensional feature vector was obtained through calculating the center of mass (COM) of histogram character function (HCF) from the statistics of an image. 计算这些统计量的直方图特征函数的块中心，得到28维特征向量；
First, a fixed-dimensional feature vector is generated for each protein sequence using the frequency of the hydropathy blocks occurring in the sequence. 首先，利用蛋白质序列中亲水模块的出现频率，每条蛋白质序列被转换为一个特征向量。
In essence it takes the decision profile and decision template as target's feature vector and template respectively, and adopts template matching method to target recognition. 该方法实质上是将目标的决策分布图作为特徵矢量，将其和每类目标的决策模板进行匹配以实现融合识别。
Filter-based matching algorithm uses a bank of Gabor filters to capture both local and global details in a fingerprint as a compact fixed length Feature Vector. 用一组Gabor滤波器获取指纹图像的局部信息和全局信息，并表示成简洁的指纹滤波特征向量，用于滤波特征匹配；
This paper applies the improved information gain method to feature selection,constructs the spam feature vector according to Vector Space Model,and uses SVM to spam filtering. 利用改进的信息增益特征选择的方法来提取特征词,基于向量空间模型构造邮件的特征向量,最后用支持向量机算法对邮件进行过滤。
In the second phase, we search the index and extract those candidate blocks whose distance to the feature vector of the query sequence is less than a predefined threshold. 在第二阶段中，我们搜寻整个索引，找出与待查询序列的特徵向量之间的距离小于某个门槛值的候选子序列。
It outperforms much better than the other two in that it calculates and maximizes the feature vector distance between multi-modal clusters in a hyper-sphere space. 该方法能计算并最大化高维空间中的多模式聚集特征向量距离，由于具有满足三角不等式和非奇性的特性，相对于其他两种方法，它提高了检测性能。
Second, we design a Chinese text clustering model CTCM and research main aspects of CTCM such as feature presentation, feature extraction, the adjust of feature vector and clustering algorithm. 然后，我们设计了一个中文文本聚类模型CTCM(Chinese Text Clustering Model)，并针对模型中涉及到的特征表示、特征提取、特征向量调整和聚类算法等问题进行了研究。
Applied BP neural network to recognize numbers, and adopted a method of wipe off miscellaneous points to take out noise, and used a method of per pix feature extraction to extract feature vector. 应用BP神经网络对数字进行识别,其图像的预处理采用去除杂点方法去除噪声,使用逐像素特征提取方法进行特征向量的提取。
The Gabor-fisher classifier (GFC) method for face recognition applies the enhanced fisher linear discriminant model (EFM) to an augmented Gabor feature vector derived from the Gabor wavelet representation of face images. 本文介绍了Gabor-fisher classifier分类器(GFC)人脸识别方法,利用该方法首先对面部图像进行Gabor小波处理,再对得到的增广Gabor特征向量应用增强线性辨别法模型(EFM)以得到辨别特征,该方法对于人脸图像在光照和表情变化的情况下仍然是有效的。
Physics conceptions are introduced into image matching and definitions to the Mess,Density,Gravity Center and the Physical Feature Vector(PFV)of image are given in the paper. And a new matching algorithm based on image physical feature is proposed. 文章将物理学相关概念引入图象匹配中,定义了二维灰度图象的质量、密度、重心以及物理特征矢量,并由此提出了一种新的基于图象物理特征的分层匹配算法。