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- speech feature vector 语音特征向量
- VAD algorithm based on RASTA-filter multi-dimensional speech feature and Support Vector Machine is presented.It applies to the speech detection under the low SNR conditions. 提出了一种基于RASTA滤波技术的多维语音特征和支持向量机分类的VAD算法,适用于低信噪比情况下的话音检测。
- 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。
- To solve the key problem of extracting visual speech feature in lipreading,a method based on DCT and LDA is proposed. 摘要 为解决视觉语言特征提取这个唇读技术中最关键的难题,提出一种新的基于DCT和LDA的特征提取方法。
- 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。
- During the experiment,MFCC(Mel Frequency Ceptral Coefficient) is adopted to speaker speech feature parameters. 实验中,采用美尔倒谱系数(MFCC)作为话者语音特征参数。
- 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。
- Objective To study speech feature and treatment of adult with misarticulation by review 20 patients' clinical information. 摘要目的通过回顾20例成年人的语音治疗,总结其治疗规律,探讨有效的治疗方法。
- 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;
- Isolated words recognition experiment based on DTW shows: this method is o. K. In automatic detection of speech terminal and extraction of speech feature; and achieves very satisfying recognition rate. 实验结果表明:该法在噪声环境下自动检测语音端点和提取语音信号的特征是可行的,获得了很满意的识别率。
- 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。
- Speech feature parameters have complex distribution with high dimensions.Therefore, we have great difficulty in designing codebook.The traditional LBG algorithm yields only local optimal codebook. 语音特征参数是高维数据,样本分布复杂,因此码本设计的难度也很大,传统的LBG算法只能获得局部最优的码本。
- 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。