查询词典 kernel function

With SVM,there is no a uniform mode to choice SVM's kernel function and its parameters.

在SVM学习中，对SVM的核函数及其参数的选择还没有形成一个统一的模式。

Mostly on the selection of kernel function and penalty coefficient C.

众所周知，支持向量机的性能主要取决于两个因素：核函数的选择；惩罚系数C的选择。

Keywords: Fisher linear discriminant analysis,kernel function,orthogonal complementary space,human face recognition

为了能利用非线性鉴别特征进行人脸识别，提出了一种基于核的子空间鉴别分析方法。

This paper discusses the conditional stability for solving the inverse sideways heat conduction problem by the rapid decreasing properties of the mollification kernel function, and obtain its regularization solution and its error estimate by constructing a well-posed problem.

利用磨光核函数在无穷远处的急降性质研究了反问题的条件稳定性，构造了一个适定的问题来逼近原问题，从而获得反问题的正则化解及其误差估计。

Based on the Riemannian geometry theory, a novel conformal transformation was proposed and the kernel function was modified by the transformation in a data-dependent way.

以黎曼几何为理论依据，提出了一种新的保角变换，对核函数进行数据依赖性改进，进一步提高分类器泛化能力。

First, a non-parametric density estimate method based on kernel function is adopted to estimate the statistic distribution of the SAR images, and then, the SAR images is segmented with Markovian contexture by maximizing a MAP estimator, taking the former estimation as its likelihood term.

该算法首先采用基于核函数的非参数方法估计SAR图像的统计分布，然后将此统计量作为图像分割的似然函数，利用马尔可夫上下文约束进行SAR图像分割。

The paper simply introduced the basic principle of surface nuclear magnetic resonance and computed the numerical integral of nuclear magnetic resonance kernel function which contained double Bessel functions using the method of Gauss quadrature and continued fraction expansion, and then discussed influence of conductivity to nuclear magnetic resonance′s signal.

简要介绍了地面核磁共振找水的正演理论方法，采用高斯求积并结合连分式展开的方法对核磁共振核函数中包含双重贝塞尔函数的积分核进行了数值积分，进而计算出精度较高的核函数值，在此基础之上，讨论了导电性对地面核磁共振信号的影响。

A human model using polynomial convolution surface is presented which is modeled by articulated skeletons convolved with some kernel function. The convolution surface and curve correspondence theorem under orthogonal projection is presented. The human contour is approximated with a convolution curve and 3D human pose can be estimated using a nonlinear optimization algorithm.

首先建立了一种新颖的多项式密度卷积曲面人体模型，该模型由连接体线骨架与某种卷积核卷积而成，整个曲面是一张连续曲面，调节多项式和半径参数可以让人体任意变形；给出了正交投影下卷积曲面和曲线对应的概念和相关定理，为二维的图像轮廓和三维人体模型之间建立对应关系；根据正交投影下卷积曲面与曲线对应定理，用卷积曲线去逼近人体的图像轮廓曲线，从而估计和恢复出三维人体运动姿态。

Based on this, a method to estimate kernel parameters using the covariance function of the samples is presented.

证明了对于径向基核函数而言，采用变异函数估计核参数与采用协方差函数估计核参数的一致性。

To deallocate kernel memory that was previously allocated by malloc, call the free function.

为了释放一个先前通过malloc分配的内存，要调用free 函数

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样