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一个通过水平投影和垂直投影来实现车牌检测源码。-A horizontal projection and vertical projection through to achieve the license plate detection source.
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这是自己写的车牌定位代码 初定位采用的是水平投影的方法 细定位采用的是小波变换的方法 -This is his license plate positioned to write the code first uses the horizontal projection of the positioning method is used in fine positioning of the wavelet transform method
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主要是通过在水平方向和垂直方向的投影,来查找到峰值的坐标,以及在峰值方向的最大值和最小值坐标。-Mainly through the horizontal and vertical projection, to find the coordinates of the peak.
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图像水平投影的C++程序,图像水平投影的C++程序。-Horizontal projection of the image of C++ program, the image horizontal projection of C++ program.
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vertical and horizontal projection for license plate recognition in java
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用VC++编辑工具简单的实现图像打开,水平投影和均衡化-To use VC++ simple editing tools to achieve the image open, horizontal projection and equalization
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圖像垂直和水平投影分析圖,會顯示圖片出現-Image vertical and horizontal projection map, displays the images appear!!!!!
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本程序采用一种基于垂直Sobel算子检测边缘和投影法的车牌定位方法,根据车牌区域竖直纹理突出的特点,利用Sobel垂直算子提取边缘,然后投影得到车牌的水平投影图,利用水平投影图分割出车牌,再运用膨胀运算进行车牌垂直定位。利用旋转投影法寻找车牌倾斜角度,然后用双线性插值进行车牌图像倾斜矫正。对经过精定位的车牌利用垂直投影法,找出各个字符的中心点,根据字符中心点位置进行切割。同时将切割出来的图片与数据库中的每张模板图片进行减法运算,计算该图片与模板的均方误差,其均方误差最小的模板即为识别出的字符。-
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通过水平投影法和垂直投影法实现图像的模板匹配。-Horizontal projection and vertical projection image template matching.
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通过对人脸进行水平投影和垂直投影,来实现人眼的定位。-Through the horizontal projection and vertical projection on the human face to achieve the positioning of the human eye.
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用于图像的模板匹配,包含水平投影、垂直投影。-Template matching for image, includes a horizontal projection and vertical projection.
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对图像做水平和垂直投影变换,可以确定图像的边界区域-Does the image horizontal and vertical projection transformation, to determine the borders of the image region
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用Visual c++实现图像的模板匹配,其中投影法包括水平投影法和垂直投影法,附图片实例-Achieved using Visual c++ image template matching, which includes horizontal projection projection and vertical projection, with picture examples
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车牌定位 牌照搜索:利用水平投影法检测车牌水平位置,利用垂直投影法检测车牌垂直位置
具体步骤
具体步骤
1.24位真彩色->256色灰度图。
2.预处理:中值滤波。
3.二值化:用一个初始阈值T对图像A进行二值化得到二值化图像B。
初始阈值T的确定方法是:选择阈值T=Gmax-(Gmax-Gmin)/3,Gmax和Gmin分别是最高、最低灰度值。
该阈值对不同牌照有一定的适应性,能够保证背景基本被置为0,以突出牌照区域。
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原始黑白图像,垂直投影(含边框),水平投影(含边框),水平投影(含边框),车牌二值子图-The original black and white images, the vertical projection (including the border), the horizontal projection (including the border), the horizontal projection (including the border), the license plate bin
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用matlab制作地图投影,包括等角,等距离,等面积的正轴,横轴,斜轴投影-Use matlab to make map projection, including isometric, equidistance, such as the size of the axis, horizontal axis, oblique projection
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灰度化的图像,二值化后的图像 水平投影直方图 垂直投影直方图-Grayscale image, the binarized image horizontal projection histogram vertical projection histograms
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This paper presents a novel approach for detecting vehicles for driver assistance. Assuming flat
roads, vanishing point is first estimated using Hough transform space to reduce the
computational complexity. Localization of vehicles is carried u
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利用垂直投影法检测车牌垂直位置利用水平投影法检测车牌水平位置对车牌进行处理-Vertical projection method is used to detect license plate vertical position horizontal projection method is used to detect license plate level to deal with the license plate
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基于图像预处理后的图像的特征提取,主要是对水平投影、垂直投影,破损块、欧拉数提取及图像绘制-Based Feature Extraction image after image preprocessing, mainly for horizontal projection, vertical projection, broken blocks, Euler number extracts and image rendering
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