匹配

The proposed indexing and matching algorithm performs well both in matching speed and in toleration of the non-linear deformation, besides its shift and rotation invariant property.

同时表明本文所提出的匹配算法除了具有平移、旋转不变性外，在匹配速度和容忍非线性形变方面具有良好的性能。

The main contributions of the thesis are as follows: Using invariants and matrix theory, especially the special properties of eigenvalues and eigenvectors of the so called irreducible matrix, we put forward several effective new algorithms for the complete matching problem under Euclidean transformation, similarity transformation and general affine transformation.

论文的主要贡献如下：利用不变量和矩阵理论，特别是巧妙地利用了不可约矩阵的特征值和特征向量的特殊性质，提出了求解欧氏变换、相似变换和一般仿射变换下完全匹配情形的点模式匹配问题的几种非常有效的新算法。

Then, by taking the local features provided by users as portions of the AAG, and the whole CAD model as the whole AAG, the problem of local feature matching is transformed into that of subgraph isomorphism. Subgraph isomorphism is a NP-complete problem.

在局部匹配过程中，用户输入的局部结构被表示成"子图"，待匹配的整体CAD模型被表示成"大图"；则在整体CAD模型中，检索局部结构的问题就被转换成在"大图"中寻找同构"子图"的问题。

How close a match for the liver is your guy to our John Doe?

的多匹配怎样才能知道你的病人需要的肝脏和John Doe的肝脏多匹配？

The magnitude of opened angle at a point p i in the contour can be easily calculated by the law of cosines, and its local extreme correspond to the sharper changes of the contour of the mode.

同时将特征匹配定义为模型特征与遮挡图象特征之间的对应，若这种对应被映射到 Hopfield神经网络上，则该网络即可用于完成全局特征匹配。

Find the leftmost match, if there is only one match possible at this location then return it.

寻找最左匹配，如果当前位置只存在一个可能的匹配，那么就返回它。

Find the match which has matched the first sub-expression in the leftmost position, along with any ties.

在各种情况下，寻找在最左位置匹配第一个子表达式的匹配。

In this paper, guidelines for route alignment and engineering requirement are taken into account, and the length of transaction curve are studied based on vehicle movement dynamics, and some advised parameters are proposed for maglev route alignment. The results provide theoretic foundation to further study maglev route alignment guidelines.

本文在研究德国技术资料基础上，结合我国实际情况，应用行驶动力学理论，考虑工程技术条件，对平、竖缓和曲线长度及参数匹配关系进行了量化研究，得到了一系列结合线路条件的合理匹配取值，可为完善高速磁浮线路设计标准提供理论依据。

Optical signal that the receiver receives , shaking the light wave produced with the receiver , on terms that meet the phase place and match and the amplitude is matched, mix it frequently , output the square of intermediate frequency signal electric current in direct radio of sum of the intensity of optical signal produced with optical signal , and receiver .

接收机接收到的光信号、与接收机内部振荡所产生的光波，在满足相位匹配和振幅匹配的条件下，进行混频，输出与光信号、和接收机产生之光信号强度之和的平方成正比的中频信号电流。

The invention discloses a vehicle speed matching method based on linear array CCD image, including the following steps that: two linear array CCD video cameras are respectively arranged on two sections positioned on a road at intervals; both linear array CCD video cameras face downwards and are provided with infrared ray laser source; the frame rate of each CCD video camera is more than 1,000 frames per second, and the resolution is more than 1,024 lines; correlation matching computation of the image sequences obtained by both linear array CCD video cameras is carried out to obtain the time difference of the same object in two image sequences; finally, by means of the time difference and the distance between both cameras, the driving speed of an object vehicle can be obtained according to the velocity formula V=s/t.

本发明公开了一种基于线阵CCD图像的车辆速度匹配方法，该方法在道路相距一定距离的两个断面上分别安装两个线阵CCD摄像机，两个线阵CCD摄像机指向垂直向下，线阵CCD摄像机上配有红外线激光源，线阵CCD摄像机的帧速率大于1000帧/秒，分辨率大于1024线；对两个线阵CCD摄像机得到的图像序列进行相关匹配计算，从而获得同一个目标在两个图像序列中的时间差，利用该时间差和两个摄像机的距离，根据速度公式V＝s/t即可以得到目标车辆的行进速度。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。