查询词典 spline

Usually,multivariate spline function is smooth on every point of net lines.

通常的多元样条函数要求在网线的每一点上，分片多项式的光滑性一致。

Results The thinplate spline was used to realize fast and exact nonrigid registration of medical image.

结果 利用薄板样条实现了医学图像的快速准确非刚性配准。

Sequence in the third middle member of Shahejie Formation in a well of Shengli oilfield, the SP data were processed by two-scale wavelet transform using quadric spline wavelet. With this transformation the logging data were expended from one dimensional depth space into two dimensional depth-scale space and wavelet coefficient curves on different scales were obtained.

以胜利油田某井沙三上亚段第Ⅲ层序为例，选用二次样条小波，对该井段SP测井数据进行二进小波变换，将一维测井数据拓展为二维深度－尺度空间，得到不同尺度上的小波系数曲线。

Fractional spline wavelets can obtain more information of image due to its fractional order of approximation when decomposing the image.

遥感图像融合作为一门新兴的技术，已被广泛应用于地形测绘和地图更新、国土资源调查、洪水监测、地质等领域。

As a kind of orthogonal polynomials system,orthogonal spline function has many good properties such as orthogonality and locality.

作为一种正交多项式函数系，正交样条函数结合球面调和函数所定义的矩具有正交性等优良性质。

Kernel, spline, and orthogonal series methods.

核，样条，和正交序列方法。

Topics covered include: density estimation (incorporating such topics as kernel density estimates, nearest neighbor estimates, variable kernel methods, orthogonal series estimates, maximum penalized likelihood estimates, bandwidth choice), nonparametric regression (incorporating kernel methods, spline methods, penalized likelihood, bandwidth choice, generalized additive models), and bootstrapping.

非参数建模专题：非参数建模专题：基于计算机的非参数统计方法论。包括：密度估计(如：核密度估计，最近邻估计，可变核方法，正交序列估计，最大补偿似然估计法，带宽选择)非参数回归(如：，核方法，样条方法，补偿似然估计，带宽选择，广义可加模型，)和 bootstrapping 方法。

One is based on the B-spline fitting to the contours;the other computes the curvature directly taking advantage of the relation of curvature and osculating circle.

一是基于轮廓的B样条拟合，通过计算拟合B样条曲线在各采样点处的曲率估算轮廓点的曲率

After analyzing and evaluating the related references, a rapid algorithm working out control points of uniform cubic B-spline is proposed, and is realized in Matlab, the complexity of program is greatly reduced and the operation efficiency is improved.

在Matlab中编程实现，大大降低了程序的复杂性和提高了运算效率，并使重构所得曲线的两个端点处曲率不为零，至少满足了一阶连续。

A new method to obtain spline outline description of Chinese font based on stroke extraction is presented in this paper.

轮廓法描述汉字字形是实现高质量、低成本汉字输出的重要途径。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。