查询词典 interpolation method

Paper puts forward the method of read DICOM field in term of sequence, reduces the time of read DICOM file in order to mend the arithmetic efficiency of read DICOM file information. Paper introduces two concept, slope and shift, reduces the linear interpolation function of VOI LUT (Value of Interest Look Up Table), and uses the way of make real number operation into integer operation to simplification the linear map function, thereby makes the image zoom speed up. Paper depicts the class and function of image measure and label particular at last, and analyses actualize step of the operation of measure and label.

论文提出严格按照顺序读取DICOM字段的做法，尽量减少访问DICOM文件的时间以加快读取DICOM文件信息的算法效率；论文中引入斜率和偏移量这两个概念，简化了VOI LUT转换的线性插值函数，并采用将实数乘除转化为整数运算的方法简化线性映射函数，从而加快了图像缩放的速度；论文最后详细描述了图像测量和标注用到的类和函数，并分析了具体的测量和标注操作的实现步骤。

The interpolation error is not detected directly by instruments of high accuracy but evaluated by errors of Lissajous figure, and reference instruments and time consuming comparisons are avoided in this method.

这种间接评定方法适用于含有五种误差形式的光栅信号，即高次谐波、非正交误差、不等幅误差、直流电平漂移和随机误差。

This thesis analyzes the reasons of the local extremum in Mi-based image regitstration, then implemented an improved method, which is integrated previous information to get a more smoothly object function and overcome interpolation artifacts effectively. Experimental results show that this methods registration accuracy is improved and can be applied.

本文分析了基于互信息的图像配准过程中出现的局部极值问题，实现了一种结合先验信息获得更加平滑的目标函数的方法，并通过实验证明了该方法的有效性。

Using EMD method, there is bound to be divergent phenomena at the two ends of the upper and lower envelope signal in the data through the three interpolation algorithm, which is end effect. It will affect the quality of EMD decomposition badly, so that the decomposed IMF has no actual physical meaning.

在EMD方法应用中，通过三次条插值算法给出的上、下包络在数据信号的两端不可避免地会出现发散现象，即端点效应问题，会严重影响EMD分解的质量，使分解出的IMF没有实际的物理意义。

Established the aircraft mathematical model of space motion, application, Newton interpolation polynomial method on the aerodynamic parameters identification, use of C language compiled simulation program, and to out the simulation results and analysis.

详细说明：对某飞行器的全空域飞行弹道进行了仿真研究。建立了飞行器空间运动的数学模型，应用"牛顿插值多项式法"对气动力参数进行了辨识，用C语言编制了仿真程序，并给出了仿真结果及分析。

In this method, the precision is improved from three aspects of unknown interpolation, integral region and normal directions.

在该方法中，从未知量插值、积分区域和法线方向三个方面提高了边界元计算精度。

After dealing with the CT image of pedicle screw with interpolation numberical method, for pedicle screw of gradeⅠ,CT had a positive predictive value of 52.7%, a negative predictive value of 94%.,a sensitivity of 67% and a specificity of 94%; for pedicle screw of gradeⅡ, CT had a positive predictive value of 75%, a negative predictive value of 100%.,a sensitivity of 100% and a specificity of 94%.

结果：采用"低窗位、高窗宽"原则处理CT影像后，CT对于Ⅰ度椎弓根螺钉的敏感度为33%、特异度为87%、阳性预测值为32%、阴性预测值为88%。CT 对于Ⅱ度椎弓根螺钉的敏感度为100%、特异度为88％、阳性预测值为60%、阴性预测值为100%。Kapper值为0.603。

As a method based on the Lagrange interpolation, numerical differentiation also has the difference between "global" and "local".

这样，就得到了一个包含计算公式和余项表达的完整的局部Lagrange数值微分公式。

With the nearest interpolation algorithm, the results could be acquired at any location, any time within research areas after eliminating periodic variation and boundary interception error. This method could be applied in the marine environment field.

该方法在高维空间中使用最邻近插值算法，消除了周期性变化以及边界截断误差的影响，实现了对研究区域任意时间，任意地点的插值，在海洋环境领域有着一定的应用前景。

This is a basic point, The mass conservative interpolation function is deduced in this thesis and the method to solve the stream surface expression from the partial differential equation of flow field is proposed.

本文首先推导了正确的基于质量守恒的单元插值函数，并提出从流场的偏微分方程直接求解流面方程的方法。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。