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- Overcoming the shortcomings arising from use of BIC for acoustic change point detection forces the development of a novel method based on entropy of segmentation for acoustic change point detection. 为了克服基于贝叶斯信息准则(BIC)的音频跳变点检测方法存在的缺陷,提出了音频跳变点的分割熵检测算法。
- acoustic change point detection 跳变点检测
- change point detection 变点监测
- The result shows that the stability of N-P test of change point is not ideal. 结果显示,转点的N-P检验稳定性不很理想。
- Detection of change points is a kind of im portent problems in statistic area.Commonly, to some extent, change point indicateabrupt-change of object, and has singularity. 变点识别是统计研究的一类重要问题,在通常情况下,变点预示着所研究的对象的某种突变性。
- In this paper, we study the nonparametric statistical inference for one distribution change point. 摘要本文研究了连续分布函数变点的非参数统计推断问题。
- An approach to contour extraction and feature point detection in the 3-D fragment reassembly is proposed. 针对三维空间碎片的拼接,提出一种轮廓提取和特征点检测的方法。
- This article introduces the use of testing law division digital mammary gland images of the edge of mammary gland calcify point detection. 本文主要介绍运用阈值法和边缘检测法分割数字乳腺图像,实现对乳腺钙化点边缘的检测。
- Hypersomnia and personality changes point toward the brain. |嗜睡和个性影响着大脑.
- Based on these coefficients, the improved BIC algorithm was employed to decide which point was the voice change point of speakers. 在此基础上,使用改进型BIC改变点检测算法检测说话人改变点。
- Secondly, applied the wavelet transform to image salient point detection, a new color salient point detector based on wavelet transform and Barnard detector has been proposed. 其次,将小波变换引入到图像的特征点提取中,提出了一种基于小波变换和Bamard兴趣算子的彩色图像特征点提取算法。
- The change point problem in the mean of a sequence of independent normal random variables is considered using CUSUM methods. 摘要运用累积和CUSUM的方法研究了独立正态随机变量序列均值变点问题。
- The micro shear stress sensor which based on the smart skin for boundary-layer separation point detection of delta wing has been explored in this paper. 本文就以用于实现三角翼边界层分离点检测的面向灵巧蒙皮的微型剪应力传感器为对象展开研究。
- The model of feature tracking window is built up, then, KLT feature point detection and tracking algorithm is given out and feature point necessary conditions are discussed. 在利用中值滤波器对图像序列进行预处理后,给出基于特征的KLT特征点提取与跟踪算法,并且分析了特征点必须满足的条件。
- In this paper,the existence of contagion was tested by the change point testing of quantile regression model,and the contagious degree was given simultaneously. 本文应用分位点回归模型的变点检测,检验了传染效应的存在性,并给出了传染程度大小的一种度量方法。
- The paper deals with the change point of the mean and variance of a normal distribution.The CUSUM estimators of the locations of the change point are presented. 摘要文章讨论了正态分布中均值与方差变点问题,给出了变点位置的CUSUM型估计,证明了此估计是真实变点位置的强相合估计;
- The software presents the data collection setting and infrared communication design and baseline drift suppression and SOHz interference elimination and ECG character point detection and the method of diagonsis. 软件部分主要介绍的内容有:心电数据采集的设置方法、红外通讯的软件设计方法、波形基线飘移抑制和工频干扰滤除算法、波形特征点检测方法及比较、波形诊断的分析方法等。
- By using Mexican-hat wavelet and Haar wavelet transform,the abrupt change points of Chinese temperature in the last 120 years are discussed. 用墨西哥帽小波和哈尔小波函数分析了我国气温变化的突变点位置 ,并用气温序列的 5 a滑动平均序列计算了信噪比 (S/ N) ,进一步验证了突变点的位置。
- Study of feature points detecting technique for trajectory measurement system. 轨迹测量系统中特征点检测技术研究。
- The theoretic calculation shows the analysis mothed of wavelet packet not only can confirm the abrupt change point of the signal, but alse can confirm the fault degree and time in all frequency spectrum. 理论计算表明,应用小波包分析技术不仅可以确定信号的突变点,而且可以在全频范围内确定信号的突变发生的时间及程度。