English translation for "pair of points"
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- 偶点
Related Translations:
- Example Sentences:
| 1. | Shamos and hoey algorithm , divide and conquer , closest pair of points , complexity
在1998年，周玉林等人对sh算法进行了改进。 | | 2. | Network messages contain information on a pair of point codes called the destination point code ( dpc ) and the origination point code ( opc )
网络信息包括称为目的地点编码( dpc )和始发地点编码( opc )这对点编码的相关信息。 | | 3. | As early as in 1975 , shamos and hoey first gave an o n - lg n - time divide - and - conquer algorithm sh algorithm in short for the problem of finding the closest pair of points
Shamos和hoey在1975年提出了在o n lg n时间内寻找平面内最近点对的分治算法。 | | 4. | 5 yulin zhou , pengrong xiong , hong zhu . an improved algorithm about the closest pair of points on plane set . computer research and development , 1998 , 35 : 957 - 960
这样，在归并时,最坏情况只需要计算3n 2对点对之间的距离，从而使整个算法计算距离的复杂度降为3n lg n 2 ,这个值为最初sh算法的一半。 | | 5. | An improved algorithm for finding the closest pair of points qi ge , hai - tao wang , and hong zhu department of computer science and engineering , fudan university , shanghai 200433 , p . r . china
最简单的方法就是蛮力法，也就是将所有的点对的距离给求出来，然后得到距离最小的点对，这样的时间开销是平方量级的。 | | 6. | An algorithm for detecting moving ir point target in complex background is proposed , which is based on the reverse phase feature of neighborhood ( rpfn ) of target in difference between neighbor frame images that two positions of the target in the difference image are near and the gray values of them are close to in absolute value but with inverse sign . firstly , pairs of points with rpfn are detected in the difference image between neighbor frame images , with which a virtual vector graph is made , and then the moving point target can be detected by the vectors ' sequence cumulated in vector graphs . in addition , a theorem for the convergence of detection of target contrail by this algorithm is given and proved so as to afford a solid guarantee for practical applications of the algorithm proposed in this paper . finally , some simulation results with 1000 frames from 10 typical images in complex background show that moving point targets with snr not lower than 1 . 5 can be detected effectively
基于运动点目标在邻帧差分图像中所具有的近邻反相特征,即运动点目标的两个位置相邻近、灰度值一正一负,提出一种在复杂背景下,基于红外序列图像的运动点目标检测算法.本算法利用该特征在邻帧差分图像中检测反相点对,进而构造反相点对矢量图,最后依据累积反相点对矢量图中多矢量首位相接的连续性检测出运动的点目标.文中给出并证明应用本算法能以概率1检测到运动点目标的收敛性定理.对典型复杂背景下10幅1000帧图像的仿真结果表明,当信噪比大于或等于1 . 5时,可以有效检测出运动点目标 | | 7. | Based on the one - side processing technology , the dissertation proposes a new method of structure design and realizes the drive of sc by pure roller pairs of point engagement . this new drive mode apparently improves the driving accuracy , efficiency , life - span , movement and dynamic feature of scm
在凸轮廓面采用单侧面加工工艺基础上，提出了结构设计的改进形式，结合廓面修形方法，实现了空间凸轮机构点接触的纯滚动副传动，显然提高了机构的传动精度、效率、使用寿命、运动性能和动力性能。 | | 8. | In one process of combination , the euclidean distances between 3n pairs of points need to be computed , so the overall complexity of computing distance is then 3n - lg n . since the computation of distance is more costly compared with other basic operation , how to improve sh algorithm from the aspect of complexity of computing distance is considered
对带左半部分内的每个点，算法需要考虑带右半部分内的至多6个点，假设平面上点的个数为n ,该算法在归并时最坏情况下需要求出3n对点对之间的距离，从而整个算法计算距离的复杂度为3n lg n 。 |
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