The acquisition of vehicle license plate image information is an important link of the automatic recognition for the license plate.
车牌图像信息采集是车牌自动识别的重要环节。
Aiming at this problem, histogram equalization and gray stretch are used to enhance license plate image, and make the image clearer.
针对这一情况,将直方图均衡和灰度拉伸相结合,增强牌照图像,使图像更加清晰。
The author presents a new method base on wavelet transform in the locating of license plates. The license plate image can be detected and located using wavelet transform.
对于车牌定位,作者提出了一个基于小波变换的定位方法,采用小波变换对车牌图像进行边缘检测和定位。
Vehicle license plate recognition system consists of 4 parts, which are license plate image preprocessing, license plate localization, character segmentation and character recognition.
车牌识别系统主要包括车牌图像预处理、车牌定位、字符分割和字符识别四大部分。
After studying and mastering some basic principles of the digital image processing and pattern recognition, the task of license plate recognition was programmed with VC + + 6.0 using above principles.
在学习并掌握了数字图像处理和模式识别的一些基本原理后,使用VC++ 6.0软件利用以上原理针对车牌识别任务进行编程。
As a special computer vision system, the vehicle License Plate Recognition system can capture a vehicle automatically and identify the Numbers in the image.
汽车牌照识别系统作为一个专用的计算机视觉系统,能够自动地摄取图像和识别出车牌号码。
The recognition of automobile license plates is the core of intelligent traffic information management system, and the key of recognition is the license plate segmentation from the complex image.
汽车牌照识别是智能交通信息管理系统的核心,从复杂的图像中分割出车牌又是牌照识别的关键。
Generally speaking, the image segmentation method adopted in vehicle license plate recognition systems at present is not efficient due to its large search space.
因搜索空间太大,现有的车牌号码识别系统所采用的图象分割方法一般说来效率较低。
As a special computer vision system, the vehicle License Plate Recognition (VLPR) system can capture a vehicle automatically and identify the Numbers in the image.
车辆牌照识别(VLPR)系统作为一个专用的计算机视觉系统,能够自动地摄取图象和识别出车牌号码。
The preprocessing algorithm for License Plate Recognition(LPR) includes image enhancement, binary conversion and noise reduction.
车牌识别中的预处理包括图像增强,二值化和噪声去除。
The license plate region is positioned by disposing the high frequency image created by wavelets operationthis arithmetic enhances the position velocity and accuracy.
将分解出的高频图像经过后继处理即可定位出车牌,这种算法不仅提高了车牌定位的速度,而且大大提高了定位的准确率。
Within the database of the Car Park Management System, the license plate is linked with the image or the image sequence and with the respective ticket data.
通过停车场管理系统数据库,车辆牌照将与图像或图像编号和相应的车票数据相关联。
In the system of license plate location, we used two modules block answer the image preprocessing and image of edge detection and intersected, programme and experiment were done for several methods.
在车牌定位系统中,我们用两个模块分别对图像预处理、图像的边缘检测和分割的若干方法进行编程实验。
This paper presents an effective license plate location algorithm, which employs color and texture analysis to extract the number plate from the complicated background image.
针对复杂背景的车牌定位问题,提出了一种颜色和纹理分析相结合的车牌定位算法。
Then a vertical edge matching based algorithm recognizes license-plate from input gray-scale image.
然后根据这种算法进行垂直边界匹配来从输入的灰度图像中识别车牌。
The recognition of license plate recognition (LPR) will be more difficult when plate license character image is stained or fractured.
当字符图像受到噪声污染,甚至发生缺损、污染时,会增加车牌识别系统(LPR)准确识别的难度。
The proposed method is divided into two steps: 1 license plate location by the variance of gray image, and 2 license plate segmentation by connected components analysis and projection analysis.
该系统由两个重要步骤组成:1基于灰度方差的车牌定位算法,2结合连通域分析和投影分析的字符切分算法。
The entire treating processes divide into the image pretreatment, the license plate correction for grade, the character division and the character recognition four parts.
整个处理过程分为图像预处理、牌照的倾斜校正、字符分割和字符识别四部分。
Through studying the mathematical morphology thoroughly, a novel license plate character extraction algorithm for the gray image is proposed.
在深入研究数学形态学的基础上,提取了一种灰度图像车牌字符提取算法。
In this paper, an effective approach based on adaptive thresholding and wide line detector to locate and segment the license plate from a capturing image with complicated background is proposed.
本文提出了一种基于门限化和宽线检测算子的自适应牌照定位方法,解决了复杂背景下的汽车牌照定位问题。
Automatic license plate recognition based on the technology of digital image processing and pattern recognition is the key technology of automatic license plate recognition system.
基于数字图像处理和模式识别技术的汽车牌照自动识别技术是汽车牌照识别系统的关键技术。
With a camera phone far off, the gang gets an image of a license plate which is traced to a Turkish consulate Erol Tabak.
从手机远距离拍摄的图像中,团队得到了一张驾照的图片,追踪到一个土耳其的领事埃罗。坦巴克。
Actually, license plate location technology is the specific technology to locate the license plate area in the image of vehicles.
车牌定位其实就是在车辆图像中定位车牌牌照区域的技术。
Research for car license plate fast orientation in image under complex background.
研究在复杂背景图像中快速定位车牌的方法。
Secondly, it extracts a key frame from the video image sequence and makes a license plate location on the frame.
其次,提取视频图像序列中的关键帧,对关键帧图像进行车牌的定位处理。
This paper presents a method of determining the type of vehicle-license-plate based on the gradient histogram and the gray histogram of the image of a vehicle-license-plate.
本文提出一种基于车牌图像梯度直方图和灰度直方图确定车牌类型的方法。
The technology of vehicle detection and license plate recognition are important parts of intelligent transportation system and hot research focus in image processing field.
车辆检测及牌照的识别技术是智能交通系统的重要组成部分,也是计算机视觉和图像处理领域研究的热点。
IT is well known that locating vehicle license plate is a very difficult problem in the fields of image segmentation and ITS (Intelligent Transprotation System).
汽车牌定位是一个公认的较难解决的图象侵害问题。
IT is well known that locating vehicle license plate is a very difficult problem in the fields of image segmentation and ITS (Intelligent Transprotation System).
汽车牌定位是一个公认的较难解决的图象侵害问题。
应用推荐