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automobile license plate
相关语句
  车辆牌照
     Reliability of an Automobile License Plate Identification System
     车辆牌照识别系统可靠性问题的研究
短句来源
     The Automatic Recognition of Automobile license plate is Simulated by Matlab 6.5, thecharacters and functions of the operators are compared and analysed, the suitable method haveelected from it.
     针对车辆牌照自动识别,通过Matlab6.5进行了仿真研究,并比较和分析了这些算子的特点和作用,从中选出了合适的方法。
短句来源
     The automatic recognition of automobile license plate is simulated by Matlab6.5.The characters and functions of the operators are compared and analysed,and the suitable method has elected from it.
     针对车辆牌照自动识别,通过Matlab6.5进行了仿真研究,并比较和分析了这些算子的特点和作用,从中选出了合适的方法。
短句来源
  “automobile license plate”译为未确定词的双语例句
     The Application of Edge Detection Operators in Region Detection of Automobile License Plate
     边缘检测算子在汽车牌照区域检测中的应用
短句来源
     Application of Edge Detection Operators in Region Detection of Automobile License Plate
     边缘检测算子在汽车牌照区域检测中的应用
短句来源
     Application of automobile License Plate Recognition System to Highway Toll Gate
     汽车牌照自动识别系统在公路收费口的应用
短句来源
     Many kinds of recognition of vehicles' characteristic information include automobile license plate identification,vehicle-logo recognition and color recognition of vehicle-body.
     多种车辆特征信息识别包括车牌识别、车标识别和车身颜色识别。
短句来源
     Recognition System of Automobile License Plate Based on Wavelet and ANN
     基于小波变换和神经网络的车牌识别系统
短句来源
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  相似匹配句对
     The Discernment and Measuring of the Automobile License Plate
     汽车牌照图像检测与识别
短句来源
     Study on Automobile License Plate Identification Systems
     车牌识别系统中若干问题的探讨
短句来源
     Systematic Designing on Automobile Electronic License Plate
     汽车电子牌照系统设计
短句来源
     Pre-processing of image of automobile license plate
     汽车牌照图像的预处理研究
短句来源
     Research on quick-search of automobile license plate
     汽车牌照快速搜索算法研究
短句来源
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In an automobile license plate identification system, the effort in increasing its reliability should mainly be focused on CCD auto adjustment, motion capture, and character recognition. In the identification system under study, structural information are used to distinguish characters having resemblance.

研究机动车牌照自动识别系统的可靠性 .通过对字符识别率、不同光照条件的适应能力以及行驶中车辆图像的快速捕捉几方面的研究发现 :利用细微的结构特征对几组相似字符进行区别是提高字符识别率的有效方法 .为了使识别系统具有全天候工作的能力 ,还必须对 CCD进行适应性调整 ,使其能自动适应光线的变化 .

In an automobile license plate identification system, plate region detection and character extraction are two key steps before the final recognition. Texture and shape features are used in the algorithm of plate region detection which is based on mathematical morphology. A modified Hough transform is used in inclination detection and character extraction.

研究机动车牌照自动识别系统设计中 ,车牌区域的检测和牌照字符的分割 ,以达到对字符的区别 .实验证明 ,利用车牌的纹理特征和形状特征检测车牌区域具有较高的准确性 ,算法的实现以边缘检测技术和数学形态学为基础 .字符分割受车牌倾斜角度的影响较大 ,在运用 Hough变换检测出车牌水平和垂直倾斜度后 ,再对字符进行分割 ,具有较好的效果 .

According to the general style of automobile license plates in China, a method based on Hough transformation is proposed to acquire the parameters of four borders of the license plates. The coordinates of the four vertices of the quadrilateral plate are obtained, and a way to perform Hough transformation for lines in the polar coordinate system is also presented in detail. Then, the bilinear spatial transformation equations are solved according to the mapping between the four vertices...

According to the general style of automobile license plates in China, a method based on Hough transformation is proposed to acquire the parameters of four borders of the license plates. The coordinates of the four vertices of the quadrilateral plate are obtained, and a way to perform Hough transformation for lines in the polar coordinate system is also presented in detail. Then, the bilinear spatial transformation equations are solved according to the mapping between the four vertices of a distorted plate image and its normalized vertices, so as to correct the distorted plate image. Finally some smoothing procedures are used to erase the burrs of characters in the plate image. Experiment results show that with the method introduced in this paper the distorted license plate images can be well normalized.

首先针对我国汽车牌照的常规模式 ,提出了用Hough变换提取牌照边框参数的方法 ,进而求得汽车牌照四边形区域 4个顶点的坐标 ,并且给出了利用对极坐标参数表示的直线进行Hough变换的具体途径。然后 ,根据畸变牌照的 4个顶点和归一化汽车牌照图像的 4个顶点之间的一一对应关系 ,求解双线性空间变换方程 ,进而对畸变图像进行校正。最后给出了一种图像毛刺的剔除方法。实验表明 ,本文介绍的方法对畸变牌照图像的归一化可以取得良好的效果

 
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