<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Eric的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/bluels01</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; bluels01]]></copyright><item><title><![CDATA[编译Voreen4.4 （含GDCM模块）]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/78042790</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/78042790</guid><author>bluels01</author><pubDate>Wed, 20 Sep 2017 16:57:04 +0800</pubDate><description><![CDATA[其实按照https://www.uni-muenster.de/Voreen/documentation/build_instructions.html 走一遍应该没什么问题。
这里记录几个注意事项：


1. 需要安装Qt4.8.5 &VS2010；（4.4版本支持不够）
2. Cmake3.0以上需要更改一个文件voreen/cmake/commonconf.cmake（https:]]></description><category></category></item><item><title><![CDATA[AKima 插值实现]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/43561131</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/43561131</guid><author>bluels01</author><pubDate>Fri, 06 Feb 2015 10:29:44 +0800</pubDate><description><![CDATA[Akima相关实现的代码：

Akima's original paper:``A new method of interpolation and smooth curve fitting based on local procedures'', Journal of ACM 17, 4 (1970), 589-602
http://student.ndhu.edu.tw/~u9111023]]></description><category></category></item><item><title><![CDATA[数学中常用符号及希腊字母的念法]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/42522233</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/42522233</guid><author>bluels01</author><pubDate>Thu, 08 Jan 2015 11:23:41 +0800</pubDate><description><![CDATA[经常出现在外文中的数学符号和希腊字母常常让人拿不准发音，不得不停下来卡壳，感觉很不爽，想必很多朋友也遇到过这种问题。我在网上搜索一番，整理出一张数学符号和希腊字母中英文发音列表，其中包括华南理工大学理学院应用数学系希腊字母真人发音网页的地址，希望对看到的人有所帮助。

数学符号内容主要来自北大中文论坛: 
http://www.pkucn.com/archiver/?tid-18288-pa]]></description><category></category></item><item><title><![CDATA[安装MinGW，搭配Notepad++编译C++]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/42486719</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/42486719</guid><author>bluels01</author><pubDate>Wed, 07 Jan 2015 08:50:06 +0800</pubDate><description><![CDATA[1、先要安装编译器
notepad++只是一个文本编辑器，本身没有编译C/C++的功能。所以要想先配置，就要先装上一个编译器。我是用的是MinGW（但是它不只是一个编译器这么简单，可以简单地理解成是一个开发工具包，我们只是利用了其中的一些开发工具）。可以到这个链接http://sourceforge.net/projects/mingw/files/（我配置的时候使用的版本是这个）。
2、设置]]></description><category></category></item><item><title><![CDATA[C++语法总结查询]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/42399261</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/42399261</guid><author>bluels01</author><pubDate>Sun, 04 Jan 2015 20:39:55 +0800</pubDate><description><![CDATA[How to Program in C++
You may copy this file for noncommercial use. The latest versionis located at 
cs.fit.edu/~mmahoney/cse2050/how2cpp.html updatedApr. 14, 2010. Please report errors to Matt Maho]]></description><category></category></item><item><title><![CDATA[Meanshift算法浅酌]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/42125217</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/42125217</guid><author>bluels01</author><pubDate>Wed, 24 Dec 2014 17:21:00 +0800</pubDate><description><![CDATA[The mean shift algorithm is a nonparametric clustering technique which does not require prior

knowledge of the number of clusters, and does not constrain the shape of the clusters.[1]
Mean shift是一]]></description><category></category></item><item><title><![CDATA[ubuntu 14.04 忘记用户密码的解决办法]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/41946815</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/41946815</guid><author>bluels01</author><pubDate>Mon, 15 Dec 2014 18:58:45 +0800</pubDate><description><![CDATA[这得多久没登录才会忘记...自我鄙视下
之前转载一篇忘记root密码的解决办法，但对实际用户登录来说还是不可以的
接着上一篇转载的文章讲接下来的操作方法（注意是在上一篇文章基础上，已经取得root密码）
会看到一个recover menu的选项界面，选择“root    drop to a root shell prompt”选项，
然后，回车。
这时在屏幕下方便会有一个命令提示的光标，]]></description><category></category></item><item><title><![CDATA[Ubuntu14.04忘记root密码的解决方法]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/41946783</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/41946783</guid><author>bluels01</author><pubDate>Mon, 15 Dec 2014 18:52:31 +0800</pubDate><description><![CDATA[转载自：blog.youkuaiyun.com/ljgstudy

对于windows操作系统，如果忘记管理员密码，其实还是蛮好解决的。
最简单的一种方式就是使用PE--电脑店，老毛桃等等，都可以很完美的解决这个问题。
如果是Linux操作系统的话，其实也是很简单 -- 单用户登陆。下面以Ubuntu14.04来简单演示一下具体的操作流程。
1. 开机，如下图所示（没有装虚拟机，手机拍的图片凑合这看]]></description><category></category></item><item><title><![CDATA[计算机图形学方向投稿国外期刊]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/41720575</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/41720575</guid><author>bluels01</author><pubDate>Thu, 04 Dec 2014 10:26:30 +0800</pubDate><description><![CDATA[图形学领域的杂志 （主要发表三维重构与可视化的一般理论方面的论文）
对图形学领域的杂志，国外一个专家有一个很好的评价，我基本上按照其的意思翻译，加上自己的一点理解： 

1、顶级会议Siggraph
      Siggraph是计算机图形界最顶级的会议，论文发表快，影响大而且很快就能传播开

2、高级期刊会议 
      ACM Transaction on Graphics（图]]></description><category></category></item><item><title><![CDATA[The Wavelet Tutorial  Part IV]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/41083245</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/41083245</guid><author>bluels01</author><pubDate>Fri, 21 Nov 2014 16:55:31 +0800</pubDate><description><![CDATA[转载自：http://users.rowan.edu/~polikar/WAVELETS/WTpart4.html


ROBI POLIKAR
MULTIRESOLUTION ANALYSIS: THE DISCRETEWAVELET TRANSFORM

Why is the Discrete Wavelet Transform Needed? 
Although the dis]]></description><category></category></item><item><title><![CDATA[TheWavelet Tutorial Part III]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/41083215</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/41083215</guid><author>bluels01</author><pubDate>Fri, 21 Nov 2014 16:54:55 +0800</pubDate><description><![CDATA[转载自：http://users.rowan.edu/~polikar/WAVELETS/WTpart3.html]]></description><category></category></item><item><title><![CDATA[TheWavelet Tutorial Part 2]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/41083171</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/41083171</guid><author>bluels01</author><pubDate>Fri, 21 Nov 2014 16:54:48 +0800</pubDate><description><![CDATA[ROBI POLIKAR


FUNDAMENTALS: 

THE FOURIER TRANSFORM 
AND 
THE SHORT TERM FOURIER TRANSFORM 

FUNDAMENTALS 
Let's have a short review of the first part. 
We basically need Wavelet Transform]]></description><category></category></item><item><title><![CDATA[The Wavelet Tutorial Part I]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/41083045</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/41083045</guid><author>bluels01</author><pubDate>Fri, 21 Nov 2014 16:54:33 +0800</pubDate><description><![CDATA[写在前面：最近刚开始看小波变换，看了各种中文，总感觉解释的不懂，hou'lia]]></description><category></category></item><item><title><![CDATA[C/C++内存泄漏及检测]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/41351263</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/41351263</guid><author>bluels01</author><pubDate>Fri, 21 Nov 2014 16:52:27 +0800</pubDate><description><![CDATA[“该死系统存在内存泄漏问题”，项目中由于各方面因素，总是有人抱怨存在内存泄漏，系统长时间运行之后，可用内存越来越少，甚至导致了某些服务失败。内存泄漏是最难发现的常见错误之一，因为除非用完内存或调用malloc失败，否则都不会导致任何问题。实际上，使用C/C++这类没有垃圾回收机制的语言时，你很多时间都花在处理如何正确释放内存上。如果程序运行时间足够长，如后台进程运行在服务器上，只要服务器不宕机就一]]></description><category></category></item><item><title><![CDATA[傅里叶变换-理解3]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/40829127</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/40829127</guid><author>bluels01</author><pubDate>Wed, 05 Nov 2014 19:50:08 +0800</pubDate><description><![CDATA[傅里叶变换的一大用途是从混杂的时域信号中找出其中各频率成分的分布。
以一个由50Hz、120Hz两个频率正弦信号和随机噪声叠加得到的信号为例（采样频率1000Hz）：
A common use of Fourier transforms is to find the frequency components of a signal buried in a noisy time domain s]]></description><category></category></item><item><title><![CDATA[傅里叶变换-理解2]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/40826751</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/40826751</guid><author>bluels01</author><pubDate>Wed, 05 Nov 2014 17:17:16 +0800</pubDate><description><![CDATA[转载自：http://betterexplained.com/articles/an-interactive-guide-to-the-fourier-transform/]]></description><category></category></item><item><title><![CDATA[傅里叶变换-理解1]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/40825031</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/40825031</guid><author>bluels01</author><pubDate>Wed, 05 Nov 2014 16:04:48 +0800</pubDate><description><![CDATA[Figure1，是a=0.4*sin(4*w*(x))的图形，Figure2，是b=1.6*cos(12*w*(x))的图形。这两个图形，在时间轴上，很容易看出来。但是两个的和，也就是a+b，如Figure3所示，里面的一些信息就看不出来了。但是做一个傅里叶变换，转换到频域上，如Figure4所示，就很明显了。Figure4的横坐标是频率，纵坐标是幅值，就可以看出Figure3是有两个信号组成的，]]></description><category></category></item><item><title><![CDATA[Notepad++v6.6.9取消记住最后打开文件方法]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/40614801</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/40614801</guid><author>bluels01</author><pubDate>Thu, 30 Oct 2014 09:45:47 +0800</pubDate><description><![CDATA[Notepad++v6.6.9取消记住最后打开文件方法
    菜单栏-->设置-->首选项-->备份-->把"Remember current session for next launch"前的勾去掉即可-->点击关闭按钮即可生效
同时C:\Users\系统用户名\AppData\Roaming\Notepad++（Windows 7）下的]]></description><category></category></item><item><title><![CDATA[Opengl 获取出错]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/37770661</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/37770661</guid><author>bluels01</author><pubDate>Mon, 14 Jul 2014 20:37:28 +0800</pubDate><description><![CDATA[GLenum errCode;
const GLubyte *errString;
while ((errCode =glGetError())!=GL_NO_ERROR)
{
errString =gluErrorString(errCode);
fprintf(stderr,"OpenGL error:%s \n",errString);
}]]></description><category></category></item><item><title><![CDATA[C-堆和栈的区别 [2]]]></title><link>https://blog.youkuaiyun.com/bluels01/article/details/36214263</link><guid>https://blog.youkuaiyun.com/bluels01/article/details/36214263</guid><author>bluels01</author><pubDate>Tue, 01 Jul 2014 21:03:30 +0800</pubDate><description><![CDATA[堆和栈的区别

一     预备知识：程序的内存分配

一个由c/C++编译的程序占用的内存分为以下几个部分

1、   栈区（stack）

      由编译器自动分配释放，存放函数的参数值，局部变量的值等。

2、   堆区（heap）

一般由程序员分配释放， 若程序员不释放，程序结束时可能由OS回收 。

3、   全局区（静态区）（static）

全局]]></description><category></category></item></channel></rss>