跟踪

There are mainly two ways to track the sun, photoelectricity track and sun angle track.

太阳跟踪的方法主要有两种，光电跟踪和视日运动轨迹跟踪。

Firstly, the principal components of the variance matrix are adopted to compute the scale and orientation of tracking target, then the similarity measure and Kalman filter are used to update the tracking window.

首先，采用跟踪窗口内协方差矩阵主分量分析法来计算跟踪目标的方向和尺寸大小；然后，联合相似性度量和卡尔曼滤波器来更新跟踪窗口的大小和方向倾角，使之适应目标的变化。

On ray tracing algorithm, line-surface intersection is the basic operation. we have studied the intersection method between line and plane region, quadric surface, NURBS surface.

在光线跟踪算法方面，对精确模型下曲面的直接光线跟踪进行了尝试，提出了对平面区域、简单二次曲面及NURBS曲面直接进行光线跟踪的算法。

The effect of outer scale of atomospheric turbulence on tracking precision of tilted tracking system is studied by considering G-tilt power spectrum and the residual variance of tilted tracking system.

中国科学院光电技术研究所，成都610209 [2]中国科学院研究生院，北京100039文章摘要：从G倾斜功率谱和倾斜跟踪残余误差两个方面分析了大气湍流外尺度对倾斜跟踪系统跟踪精度的影响。

The host's programming framework and data structure can reduce the system's computation, simplifier implement of the system, make the control easily and improved the efficiency of tracking greatly.

图像目标跟踪算法是图像跟踪系统的核心内容。本文对目标跟踪算法的设计和实现做了详细的阐述。

Sky wave over-the-horizon radar ; multipath Viterbi data association ; multipath probability data association ; tracking performance comparison

天波超视距雷达；多路径Viterbi数据关联跟踪算法；多路径概率数据关联跟踪算法；跟踪性能比较

Facing to the key problems in computer vision measurement, for example, the method of laser strip image processing, the algorithms of extracting"feature point"of joint, the method of structure light sensor design and so on, comprehensive studies are down on both theory and in practice.

本文在对常用的焊接接头跟踪方法进行系统研究的基础上，选择结构光视觉的方法来检测和跟踪焊接接头；并针对视觉传感器的结构光图象处理方法、焊接接头特征点提取算法和结构光传感器的设计方法等进行了大量的研究，成功地研制出一套多道焊焊接接头跟踪控制系统。

By combining symmetric difference method,a tracking method for moving targets with moving camera is established.

将此算法和对称差分法结合，给出了一种动摄像机的运动目标跟踪方法，以复杂场景下的人为跟踪目标进行了实验，取得了不错的跟踪效果。

To dynamic scene visual tracking problem, this paper has researched the specific object tracking: face tracking. A structure and color based feature vector has been presented to modeling the face and used to real ize the satisfactory tracking result. To the active tracking problem, a toy car is selected as the research object.

对于动态场景下的视觉目标跟踪问题，文中结合人脸这一具体对象进行了研究，提出了一种基于颜色信息，结构信息等的特征量定义方法较好的实现了人脸跟踪，对于主动视觉目标跟踪问题，针对小车这一具体研究对象展开研究，文中研究了系统的具体构成及其中的控制方法。

This paper presented a method for tracing the intersections of two implicit surfaces.the most obvious advantage of this method is: when tracing the intersections, it could quickly get the next tracing point by intersecting this square plane with the two implicit surfaces.

该方法最主要的优点是：在跟踪隐式曲面的交线时，在前一个跟踪交点已经求得的情况下，利用正方形与两个隐式曲面的交点，即可快速有效地求出下一个跟踪点，而不用涉及迭代收敛的判断。

He is the most remarkable man that I have ever known.

他是我知道的人中最值得注意的人。

Increased appearance of lymphocele was noticed in patients with diabetic nephropathy, congenital malformations of the urinary tract, and inflammatory diseases, including glomerulopathy and extraglomerular ones, after high-voltage radiotherapy and after removal of the renal graft.

经过高压放射疗法和切除移植肾后，在糖尿病肾病患者、泌尿系统先天性畸形患者和炎症患者身上发现淋巴囊肿有所增加，包括肾小球病和球外疾病等。