如何使用密度核估计的孤立点检测?
非参数回归函数的核估计近年来已有了一些研究。
The kernel estimate of nonparametric regression function has been researched recently.
讨论了在适当条件下,密度函数核估计的一致强相合性。
Under certain conditions, We discuss the uniform strong consistency of kernal estimator for the density function.
本文的研究内容和结论如下:(1)非参数核估计及变换理论。
The content and conclusions of this paper are as follows:(1) Nonparametric estimation and transformation theory.
在较弱的条件下,建立了可加分量最近邻估计和核估计的平均偏差的指数界。
Under mild conditions the exponential bounds of mean error for these estimates are established.
对非参数回归曲线提出了一种新的核估计量和窗宽选择方法及修正偏倚置信带。
This paper gives a new kernel estimate, bandwidth parameter and the bias-corrected confidence belt for nonparametric regression curve.
局部多项式核估计能很好地估计股市理论收益率指标,准确计量我国股市泡沫动态变化情况。
The research results show it can dynamically measure China stock market bubbles in relative index and a new econometric method can also measure stock market theory returns and its dynamical bubbles.
本文在一定的条件下证明了基于NA样本序列的递归型密度核估计的均方相合性和逐点强相合性。
In this paper, based on NA samples, we will prove that recursive density kernel estimators are consistent inr-order mean, and the pointwise strong consistency under suitable conditions.
本文提出了在有历史洪水情况下洪水频率的非参数核估计方法,克服了现行方法假定分布型式的局限。
A nonparametric kernel estimation of the flood frequency with historic information is presented in this paper. The limitation in assuming a distribution type is overcome.
本文讨论了用非参数模型对儿童生长曲线进行拟合,给出了两种非参数曲线拟合方法:光滑样条和核估计。
This paper discusses childhood growth curve fitting by nonparametric models, and provides two methods for nonparametric curve fitting: smoothing spline and kernel estimator.
考虑到传统的历史模拟方法存在的缺点,采用基于核估计的历史模拟方法获得估计值及其置信区间,并用实例进行了分析。
Considering the flaw of history simulation method, the paper adopts kernel estimation method to estimate parameters and their standard deviation, and then gives case analysis.
她指出,最近亚美尼亚在国际核安全会议上的一份报告估计堆芯损毁的频率几乎是每10000年才发生2次事故。
She points to Armenia's own most recent report for the international convention on nuclear safety, which estimates the risk of "core damage frequency" to be nearly two incidents every 10,000 years.
她指出,最近亚美尼亚在国际核安全会议上的一份报告估计堆芯损毁的频率几乎是每10000年才发生2次事故。
She points to Armenia's own most recent report for the international convention on nuclear safety, which estimates the risk of "core damage frequency" to be nearly two incidents every 10, 000 years.
基于多层核主成分提取估计器需要将调制信号的训练样本根据各自的频率进行分层。
The estimator based on kernel principal component extraction requires to stratify the training samples of interested signals with respect to their respective frequencies.
本文在局部域的整数环上给出了一类逼近恒同核和关于它们的逼近阶估计的定理。
This paper gives a class of approximation identity operators on the integer domain of a local field, and a theorem on estimates of their approximation degree.
该方法采用核密度估计模型来构造近似密度函数,利用爬山策略来提取聚类模式。
This method USES kernel density estimation model to construct the approximate density function, and takes hill climbing strategy to extract clustering patterns.
对相依时间序列数据,在一定的条件下已有人证明了局部多项式加权回归系数估计服从渐近正态分布,其中核函数是有界的。
Fan J and Gijbels I gave the asymptotic normality of local polynomial regression estimation in dependent time series, where the weighted function is bounded.
核回归方法是比较常用的一种非参数估计方法。
The kernel regression method now is the most popular non-parametric estimation method.
由协方差函数的统计特征,可给出核函数的参数估计。
According to the statistic characteristic of covariance function, parameter estimation can be given for kernel function.
首先分析了自适应高斯核函数的局限性,并作了改进,同时给出了其参数估计方法。
This paper improves the adaptive Gaussian kernel (AGK), and presents a novel method for estimating parameters of AGK.
利用核函数法和广义最小二乘法给出了一般变系数ev模型系数参数的估计,得到了估计的强相合性。
In this paper, the estimation of coefficient functions in a varying-coefficients EV model are constructed by using kernel smoothing and generalized least square method.
这里是一纸称为椭球形核机器试图与间隙容忍分类器估计支持向量机的尺寸,但我认为这是远远明确的关系,你希望看到的。
Here is one paper called Ellipsoidal Kernel Machines that tried to estimate the dimension of SVM with the gap tolerate classifier, yet I think it's far from a well-defined relation as you wish to see.
以非参数核密度估计方法拟合江苏稻谷的亩产量。
Then the rice yield in Jiangsu is fitted by nonparametric kernel density estimation method.
针对基于核密度估计的图像互信息估计法运算量很大的问题,提出了一种快速互信息估计算法。
A new fast algorithm was presented to accelerate the computation of mutual information of images based on kernel density estimate.
通过相隔固定的帧差值阅值化得到背景样本值,并采用高斯核密度估计方法计算背景灰度的概率密度函数。
The background samples are chosen by thresholding inter-frame differences, and the Gaussian kernel density estimation is used to estimate the probability density function of background intensity.
这场核灾难发生后,两人立即丧生,29人在几星期内死亡。据估计,还有数千人在事故发生后的多年内死于放射性污染引发的癌症或其他疾病。
During the catastrophe, two people died immediately, while 29 more died within weeks. It is estimated thousands more have died from cancers and other illnesses in the ensuing years.
针对智能视频监控场合对视频运动目标定位的需求,本文提出了一种基于非参数核密度估计的视频运动目标空域定位技术。
To satisfy the need of video moving object locating in intelligent video surveillance scenes, video moving object locating technology based on nonparametric kernel density estimation is proposed.
红外目标的描述利用目标区域的灰度分布,该灰度分布通过核概率密度估计建立。
Infrared objects are represented by the intensity distribution, which is defined by the kernel-based density estimation.
红外目标的描述利用目标区域的灰度分布,该灰度分布通过核概率密度估计建立。
Infrared objects are represented by the intensity distribution, which is defined by the kernel-based density estimation.
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