The basic idea of the algorithm is the combination of complexion detection and background difference algorithm.
该算法的基本思路是利用肤色检测和背景差分算法相结合的方式实现人手的定位和跟踪。
Considering the characteristics of infrared image, the frame difference algorithm is simple and easy to be realized by hardware.
传统的帧间差分法算法简单、便于硬件实现，但在信噪比较低时抗噪性能较差。
Then, the difference algorithm is used to detect the shot-trace, calculate the shape center coordinates and draw the shot-trace.
再利用差分算法检测射弹，计算出形心坐标并绘出射弹运动轨迹。
X axis and Y axis electric moving stages are driven to track object based on its position which is calculated by improved 3 frame difference algorithm.
通过改进的三帧差分法计算运动目标的位置，控制X、Y轴电动位移台跟踪目标。
In the thesis, the algorithm of background subtracting, frame difference algorithm, motion estimation based on optical flow field and object tracking based on active shape contour are investigated.
本文研究了背景相减算法、差分法、基于光流场的运动估计和基于主动形状模型的目标跟踪算法。
The principle and key programs of the Double Difference Algorithm have been briefly introduced in the paper and with the problems in applying the technique to relocate earthquake discussed.
文章对双差地震定位法的原理及其主要程序进行了简要的介绍，并对该方法在实际应用中的一些特点和需注意的问题进行了讨论。
The traditional MGD (maximum gradient difference) algorithm based on the order of the image pixels matrix has the shortcomings of the large operation measure and long-time running.
车牌定位是车牌自动识别系统中关键的第一步，传统的最大梯度差算法按图像像素矩阵的顺序进行扫描和运算，存在运算量大，耗时长的缺点。
The traditional MGD (maximum gradient difference) algorithm based on the order of the image pixels matrix has the shortcomings of the large operation measure and long-time running.
车牌定位是车牌自动识别系统中关键的第一步，传统的最大梯度差算法按图像像素矩阵的顺序进行扫描和运算，存在运算量大，耗时长的缺点。
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