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sift特征点提取代码和对两幅图像提取特征点后进行特特征点匹配,可用于图像拼接等。c和matlab代码都有
-sift feature point extraction code and the special feature points matching image stitching, etc., can be used to extract feature points of the two images. c and matlab code has
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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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Harris特征点提取,用于图像处理中角点的提取-Harris feature point extraction for the extraction of image processing in the corner
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人脸检测与特征定位,先做完人脸检测才能标注特征,在人脸检测区域可以进行二值化图像,相似度计算等操作,在特征标注区可以完成边缘提取,标记人脸器官操作-Face detection and feature location, perfect face detection to do first annotation feature, the face detection area in the binarized image can be performed, similarity calculat
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用于图像拷贝检测的图像匹配,提取图像的SIFT特征点,构成图像的特征。-For image copy detection of image matching, image SIFT feature point extraction, and then sift feature point the image characteristics
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直方图提取函数,用于人脸识别中,输入一幅图像,函数内部对输入图像做短时傅里叶变换,得到四幅幅度图,再求四幅图的直方图特征,合并后输出-Histogram extraction functions for face recognition, the input image, the input image inside the function to do short-time Fourier transform, the four magnitude diagram, and then seek
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D.G lowe 的尺度不变特征转换算法(SIFT)在基于opencv和OpenGL的源码基础上增加了图像的保存功能。用于对图像的尺度不变特征的提取以及图像特征点的匹配-D.G lowe s scale invariant feature transform (SIFT) algorithm based on opencv and on the basis of OpenGL source to increase the function of image preservation. Used
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基于MATLAB的SIFT特征点的提取,并对图像的特征点进行描述-MATLAB SIFT feature point extraction based on feature points and describe the image
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基于visualC++利用数字图像模式识别技术实现印刷体汉字的自动识别技术包括印刷体汉字特征定位及提取,分类器设计等连续过程。-Based visualC++ digital image pattern recognition technology for automatic identification technology, including continuous process printed characters printed characters feature location
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张正友相机标定程序
张正友摄像机标定法是一种简单实用的标定法,本次试验中共取用了同一摄像机从不同角度拍摄的六幅图像,经过Harris角点提取并优化从每幅图像中取十个特征点来进行摄像机标定(这十个点的世界坐标相同)。-Zhang Zhengyou camera calibration procedure Zhang Zhengyou camera calibration method is a simple and practical calibration method, this test
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基于chebyshev的水声信号分析,包含特征值与特征向量的提取、训练样本以及最后的识别,在MATLAB中求图像纹理特征。- Based chebyshev underwater acoustic signal analysis, Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, In the MATLAB image texture featur
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该代码用于图像拼接,harris算法对特征点进行提取后的拼接,可看到特征点的图(The code used for image stitching, Harris algorithm for the extraction of feature points after the stitching, you can see the feature points of the map)
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提取图像的梯度特征,计算梯度边缘的数字,经归一化后进行特征提取(Gradient feature of image extraction)
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