主要的方法是利用矩阵差分方程的特征矩阵方程解的性质。
The main method is using the properties of the solutions of characteristic matrix equation.
简述了近年来主要的人脸跟踪方法，提出一种基于帧间差分与静态特征相结合的人脸跟踪算法。
The main methods of face tracking were introduced, and a new method based on both inter-frame differential and static character was put forward.
为克服其不足，建立和研究了二次单调插值特征差分方法。
The quadratic monotone interpolation characteristic difference method is proposed to overcome these defects.
本文讨论了多孔介质中完全可压溶混驱替问题的特征—差分方法。
The finite difference method for compressible miscible displacement in porous media is considered in the paper.
首先基于差分图像和肤色信息检测出人脸，其次使用改进的奇异值分解方法提取面部特征，最后运用最小距离分类器进行识别。
First based on the difference image and the skin color the face is detected and localized, then features are extracted by using improved SVD, last the features is classified by minimal distance.
结合数字合成脉冲的技术特点及信号特征，提出利用恒流源差分放大电路具有非线性工作区的特点实现高频脉冲信号调理的方法。
Considering the characteristics of digital-synthesis technology and pulse signal, this paper proposes a method to implement the adjustment of high-speed pulse using differential amplifier.
提出了利用圆率线及圆率差分突变来交互拾取曲线特征点的方法，实现了特征点的识别和提取。
The method that interactively extract feature points based on curvature difference break is proposed to complete extracting feature points.
最后，利用高阶的交错网格有限差分方法，我们模拟了地震波在具有随机分布裂缝岩石中的传播特征。
Numerical modeling results for seismic wave propagating in rocks with random dis- tributed fractures using a staggered high-order finite-difference (SHOFD) are also presented.
重点讨论特征差分方法、特征有限元法、分数步数值方法及其理论分析。
Characteristic finite difference method, characteristic finite element method, fractional step numerical method and its theoretical analysis are mainly dealed with.
论述了区域几何形状分布特征增强的差分动态二值化方法，阐述了特征稀少图像的拼接原理和计算步骤。
For enhancing the region geometric shape features we described a Difference Dynamic Binary Method. And then the merging principle of images on which there is little point's feature was discussed.
针对这一缺陷，本文提出了一种基于差分码的细节特征点提取方法。
In the light of this limitation, an algorithm for extracting minutiae based on differential code is proposed.
计算说明，这种方法比差分方法和特征线性方法简单有效，从而有较大的实用意义。
The numerical results show that this technique seems to be simpler and more effective than other procedures, such as the finite difference and characteristic line methods…
波状界面是爆炸焊接的一个重要特征，利用弹塑性材料的二维有限差分方法模拟爆炸焊接中的波状界面结合过程。
In this paper, simulation is made of the processing of wavy interface generation in explosive welding using a two-dimensional difference scheme for elastic-plastic materials.
计算说明，这种方法比差分方法和特征线性方法简单有效，从而有较大的实用意义。
The numerical results show that this technique seems to be simpler and more effective than other procedures, such as the finite difference and characteristic line methods. Therefore, it…
计算说明，这种方法比差分方法和特征线性方法简单有效，从而有较大的实用意义。
The numerical results show that this technique seems to be simpler and more effective than other procedures, such as the finite difference and characteristic line methods. Therefore, it…
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