查询词典 point of crossing

Aimed at the characteristic of retinal images, the algorithm of extraction of branch point and crossing point of vessels is proposed, the content includes the confirmation of the number of branch points and the precise extraction of the location of branch points. Branch point corresponding is determined by distance and the angles.

针对视网膜图像的特点，提出了一种血管分支点和交叉点的提取方法，包括分支个数的确定、分支点位置的精确提取等；在特征点对应性确定方面，提出利用距离度量和具有旋转、平移不变化的角度特征进行对应性的确定。

A zero crossing detection is synchronized which the zero crossing point of the line voltage of each of the three phases.

一个过零检测同步其中的三个阶段的每线电压过零一点。

Article 40 At the crossing point of a railway and a highway, priority shall be given to the installation of a grade separation structure; at a crossing where a grade separation structure is not installed, a level cross

在城市规划区内设置平交道口或者人行过道，由铁路运输企业或者建有专用铁路、铁路专用线的企业或者其他单位和城市规划主管部门共同决定。

Article 40 At the crossing point of a railway and a highway, priority shall be given to the installation of a grade separation structure; at a crossing where a grade separation structure is not installed, a level crossing or a pedestrian cross-walk may be laid in conformity with relevant provisions of the State.

第四十条铁路与道路交叉处，应当优先考虑设置立体交叉；未设立体交叉的，可以根据国家有关规定设置平交道口或者人行过道。

The paper gives a detailed introduction to the classification and mothed of image edge detection from the traditional point of view,that is,the robert operator based on the maximum gradient detection,the sobel operator,the prewitt operator,the canny orerator,the laplancan operator based on the detection of second derivative of the zero-crossing point and then log operator.The paper makes a summary and analysis to the principles and applications,advantages and disadvantages of each algorithms and operators. Especially the canny operator.

本文首先介绍了图像边缘检测在国内外的发展，图像边缘检测的重要性及意义，阐述了图像边缘检测的原理，从传统的角度详细介绍了的图像边缘检测的分类及方法，即基于检测梯度最大值的robert算子，sobel算子，prewitt算子，canny算子，基于检测二阶导数的零交叉点的laplacan算子及log算子，对各种算法和算子的原理及用法及优缺点做了总结和分析尤其是canny算子。

From the graph, we can know that the graph of y=kx+b, is crossing the point of (0,b), and is parallel with the line of y=kx. And in the point of (0,b), o is x and b is y . In this situation, zero can be the divisor. It can be the scientific gist.

从正比例函数和一次函数的图象可知，一次函数y=kx+b在坐标平面上的函数图象是经过(0，b)且平行于正比例函数y=kx的一条直线，这其中的点(0，b)，0表示x，b表示y，在这样的情况下就成了零作除数的情景，这可说是零能作除数的科学依据。

One line from inferior edge of anteroinferior iliac spine to the crossing point of posterior gluteal line and posterior iliac crest was defined as A line, which was parallel to the Chiotic line (the crossing point of Chiotic line and posterior iliac crest called CLIC point).

设定髂前下棘下缘向后经过臀后线与骼嵴后部交叉点的连线截面为A线截面，此线与Chiotic线平行（Chiotic线与髂嵴后部交叉点称为CLIC点）。

Firstly,we particularly explained the algorithmic of themusic recognition.Then,we made a study of the music characteristic and the musicrecognition methods.As for the burrs of the music signal,we put forward a curveplastic method to eliminate the burrs.Considering the difficulties of detecting thepoint of the music speech,we made use of the multi-frequency energy curve to detectthe end-point of the music signal with the crossing zeros rate.As for thedisadvantages of the large operation and influence of the formant,we improved theAMDF theory with the linear prediction algorithmic to detect the error.In order toobtain the characteristic parameter of the music signal,wo calculate the MFCCparameter to obtain the template and the pending signal characteristic parameter.Inorder to improve the rate of the recognition,considering the disadvantages of theDTW algorithmic,we find a new method to improved the DTW algorithmic bybroadening the point of the music signal and made simulation experimentation;As forthe disadvantages of the contraposition grade to the pitch,cadent and sing name,wefind a method to dynaic adjust the results of the recognition to improve the accuracyof the grade.

详细阐述了嵌入式音乐识别算法的详细设计与实现，研究了音乐语言的特点和音乐识别的侧重点，并阐述了基于音乐信号特色的语音处理及识别方法；针对音乐信号中的毛刺干扰，提出了曲线整形的思想，消除了音乐信号中的毛刺；针对音乐信号端点检测困难的特点，利用多频段能量曲线分割结合过零率来实现端点准确检测；针对音高提取运算量大且容易受共振峰影响的特点，利用线性预测残差的方法对传统的AMDF算法进行了改进并提取出了音高，在实际实现时，优化了AMDF算法，减少了计算量；为了得到较好的特征参数，通过求取梅尔频标倒谱系数的方法，分别提取了模板信号特征参数和待测信号特征参数；为了提高识别率，针对传统DTW算法的缺陷，采用了放宽端点和声刺激法改进了传统的DTW算法的性能并进行了仿真试验，使音乐识别率得到明显提高；在音高、节奏评分时，针对对位评分的缺点，采取了动态调整的方法提高了评分的准确度。

The Celtic or Iona cross, developed in early medieval Ireland and Scotland, is distinguished by a circle surrounding the point of crossing.

凯尔特或iona两岸关系，发展在早期中世纪的爱尔兰和苏格兰，是杰出的由一个圆圈周围的出发点通道。

The Celtic or Iona cross, developed in early medieval Ireland and Scotland, is distinguished by a circle surrounding the point of crossing.

凯尔特或艾奥娜交叉，年初制定的中世纪苏格兰和北爱尔兰，是杰出的一个圆圈周围的过境点。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了