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图像处理之 opencv 学习---opencv 中的常用算法
http://blog.csdn.net/lindazhou2005/article/details/1534234文中有提到鲁棒性http://blog.csdn.net/chary8088/article/details/24935559
分类:编程语言   时间:2014-11-19 00:13:15    阅读次数:276
OpenCV Tutorials —— Sobel Derivatives
图像边缘 —— 像素灰度值变换剧烈的点 You can easily notice that in an edge, the pixel intensity changes in a notorious way. A good way to expresschanges is by using de...
分类:其他好文   时间:2014-11-19 00:08:24    阅读次数:308
OpenCV Tutorials —— Canny Edge Detector
最好的边缘检测子 Canny algorithm aims to satisfy three main criteria: Low error rate: Meaning a good detection of only existent edges. Good localization: The ...
分类:其他好文   时间:2014-11-19 00:02:06    阅读次数:256
OpenCV Tutorials —— Hough Line Transform
霍夫直线变换 —— 用于检测图像中的直线 利用图像空间和Hough参数空间的点——直线对偶性,把图像空间中的检测问题转换到参数空间,通过在参数空间进行简单的累加统计,然后在Hough参数空间中寻找累加器峰值的方法检测直线 Standard and Probabilistic Hough Line T...
分类:其他好文   时间:2014-11-18 23:57:43    阅读次数:580
OpenCV2+入门系列(三):遍历图像的几种方法
根据OpenCV中Mat类型的结构和内存中存储方式,此处给出三种对图像进行遍历的方法。首先给出基础的读取图片代码,在中间替换三种遍历方法即可,本文中,程序将遍历图像并将所有像素点置为255,所有运行结果中命令行里的数字为程序执行时间。#include "stdafx.h"#include #in.....
分类:其他好文   时间:2014-11-18 23:57:05    阅读次数:284
OpenCV Tutorials —— Laplace Operator
发掘图像边界 —— 一阶导数顶点不好求,可用二阶导数过零点来代替 Getting the first derivative of the intensity, we observed that an edge is characterized by a maximum, as it can be s...
分类:其他好文   时间:2014-11-18 23:55:21    阅读次数:286
OpenCV Tutorials —— Basic Thresholding Operations
Threshold Binary This thresholding operation can be expressed as: So, if the intensity of the pixel is higher than , then the new pixel intensity is ....
分类:其他好文   时间:2014-11-18 23:53:21    阅读次数:292
OpenCV Tutorials —— Adding borders to your images
扩展图像边界: BORDER_CONSTANT: Pad the image with a constant value (i.e. black or BORDER_REPLICATE: The row or column at the very edge of the original is re...
分类:其他好文   时间:2014-11-18 23:44:20    阅读次数:338
OpenCV Tutorials —— Making your own linear filters
kernel A kernel is essentially a fixed size array of numerical coefficeints along with an anchor point in that array, which is tipically located at th...
分类:其他好文   时间:2014-11-18 23:31:24    阅读次数:418
OpenCV Tutorials —— Interoperability with OpenCV 1
新版本的OpenCV 使用Mat作为基本的图像容器,而代替旧版本的 CvMat 和 IplImage All the OpenCV related stuff is put into the cv namespace to avoid name conflicts with other librar...
分类:其他好文   时间:2014-11-18 10:18:21    阅读次数:233
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