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Opencv中矩阵和图像操作的基本函数介绍,包括函数的代码-Opencv image operations in the matrix and introduce the basic functions, including the function code
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采用OPENCV封装的图像二维DFT运算,通过该类可生成图像二维傅里叶变换矩阵,通过可选参数可调整生成傅里叶矩阵、傅里叶频谱同时可选择对数加强属性增强傅里叶频谱的显示效果。-OPENCV package using two-dimensional DFT computation of image, the image can be generated through such two-dimensional Fourier transform matrix generated by the op
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OPENCV中图像的矩阵化-OPENCV the matrix of the image. . . . . . .
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几个项目运用了opencv,需先安装opencv
项目readpic从磁盘中读入图像文件,并将图像显示在屏幕上
项目cpic本程序显示如何用C++类来创建和显示图像,这个C++类在 cxcore.hpp 中定义,与 矩阵类(CvMatrix) 相似。
项目carmen是使用opencv卡尔曼滤波的例子。
项目ransac是ransac算法的例子。
toolbox_calib是加州理工经典相机标定包。-Several projects using the opencv,
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opencv 编程入门 介绍 命令 图像处理 矩阵操作 视频序列处理等-Programming opencv introduction to the command image processing video sequence processing, matrix operations
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直方图是计算机视觉中一个很重要的工具,OpenCV里面提供了不少有关直方图处理的函数。其中最基本的是计算直方图的函数calcHist()。有关直方图在前面的博文中也有所介绍:基础学习笔记之opencv(4):直方图使用学习。不过目前由于本人课题研究上需要计算多张图片的一维直方图特性,且每张图片对应有自己不同的掩膜矩阵,开始以为OpenCV中提供的calcHist()函数能够实现这个功能,因为其中一个重载函数中有一个参数为InputArrayOfArrays,咋一看会觉得这不就是可以处理多张图片的
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矩阵图像操作,在OPENCV平台用VC6++实现,将一个小孩的脸被alpha融合到一只猫的脸上。-The matrix image manipulation, the the OPENCV platform with VC6++ achieved to a child' s face is alpha fusion to a cat' s face.
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使用OpenCV进行图像的旋转,使用矩阵变换-OpenCV for image rotation, using matrix transformations
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使用opencv编写程序,编写图形矩阵,用于图像处理和信号处理-To use opencv programming, writing graphical matrix for image processing and signal processing
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用opencv实现LBP算法。通过一个3*3的模板在图像矩阵上滑动,用模板四周的八领域像素和中间的像素值比较,大于的为1,小于的为0,从左上角顺时针排列,然后转化为十进制放在模板中间的对应位置。-LBP algorithm with opencv. Through a 3* 3 matrix template image slide, with the template field of eight around the center pixel and the pixel value comp
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在图像中基于opencv视觉库寻找ROI区域,进行矩阵运算,找出图像的轮廓,拼接等。-In image-based visual opencv library to find the ROI, matrix operations, identify the outline of the image, stitching.
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利用opencv进行图像匹配,采用SURF算法。另求出基本矩阵 并验证准确性-using SURF method to match the image
with the help of opencv and get the fundamental matrix also
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矩阵与图像的联系,对OpenCV矩阵操作的了解有一定的帮助。-Matrix and the image of the contact, the operation of the OpenCV matrix to understand some help.
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依据极线几何原理,用opencv实现对两幅图像检测特征点后计算基本矩阵。在其中任意一幅图像中选点,在另一幅图中显示极点和极线。-Based on the principles of epipolar geometry, with opencv after two images to detect feature points to calculate the basic matrix. In either an image point, poles and lines displayed in
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This scr ipt is a Python OpenCV based scr ipt specially used for raspberry pi. It redes .bmp images pen-drive and send that information to led matrix display to display that image.-This scr ipt is a Python OpenCV based scr ipt specially used for rasp
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实现了图像的简单拼接。首先寻找特征点,然后计算描述子(特征向量),对寻找到的特征点进行匹配,并塞选匹配结果,然后计算透视 矩阵,将其中一幅图进行透视变换,然后将图片合成。对一些简单的图片比较有效。仅供参考学习。(Realize the simple stitching of the image. First, find the feature point, and then calculate the descr iptor (eigenvector), match the feature po
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The MATLAB source code, P0301: digital image display and its Fourier transform matrix data
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数字图像矩阵数据的显示及其傅立叶变换 MATLAB,(Digital image matrix data display and its Fourier transform MATLAB,)
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由于纹理是由灰度分布在空间位置上反复出现而形成的,因而在图像空间中相隔某距离的两象素之间会存在一定的灰度关系,即图像中灰度的空间相关特性。灰度共生矩阵就是一种通过研究灰度的空间相关特性来描述纹理的常用方法。
Gray-level co-occurrence matrix from an image
图像的灰度共生矩阵(Because the texture is formed by the repeated appearance of the gray distribution in the
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