The blog of the Zhijun Dai

原创 矿难中的应答声

根据应答声看到有幸存者的消息，很鼓舞。加油干吧，一定能多救很多出来。 就这个应答声，详情见视频http://video.sina.com.cn/news/c/v/2010-04-02/224357878.shtml有网友怀疑是“回声”，我看到后第一时间做了研究。发现应答声的间隔时间和规律和主动敲击声差别很大，肯定是下面有人。其实就是不用强大的语音处理来精确定

原创 Google code jam Round1B Problem B

 #include #include #include #include #include #include #include using namespace std;using namespace boost;    typedef       disjoint_sets_with_storage      find_with_full_path_compression> ds_type;lon

原创 My new Computer Vision site

I lanched a new computer vision and machine vision (CVMV) site: http://www.cvmv.org .It used for Encouraging the development on the field of computer vision. Welcome!

原创 Test about publishing on 优快云 tech center

 About half year hasnt arrive here. Now, I found that I can publish article as a technique author. Wonderful. Maybe I will come here oftenly in future.

原创 Two years now the love

The time is really very quickly. The love between me and Houhou has been happened two years now. This day is a good day. I feel the love  is really fresh until now. The situation of two years ago appe

原创 EMD

/* emd.c Last update: 3/14/98 An implementation of the Earth Movers Distance. Based of the solution for the Transportation problem as described in "Introduction to Mathema

原创 http://www.music-ir.org/evaluation/tools.html

The Tools We UseVersion 1.5May 2005 Since October 2004, I have been surveying the MIR community (via the music-ir@ircam.fr mailing list)  as to what tools MIR researchers were using.   I have compiled

原创 image jpeg

test

原创 png

png

原创 image2

image

原创 similar picture

similar picture

原创 http://www.cs.rit.edu/~ncs/color/t_convert.html

What color space we should used in image retrievalL*a*b*Because the eculedian distance of this space is the same as the distance of which human man perceived!Color Conversion AlgorithmsContent

原创 One message

2005.3.26:about 8 clock. Hou give me a message sended by mobile phone"宝贝，不要让我白等，明白吗？"I will remember this forever.I must do my best to prove that Its desire to wait me.

原创 Apache CGI

Its really very cool to process the requirement of client on web with CGI technologyhttp://hoohoo.ncsa.uiuc.edu/cgi/ The Common Gateway InterfaceMy hello word program on cgi-bin//: C02:Hello.cpp// Fr

原创 Two problems resolved

I installed db2 on linux. But cant start on linux after installation.First,Cant find  /opt/IBMJava2-141/ Files .Then I installed IBMJava2, also didnt work .Then I copy jre files from sun to this di

原创 The linux view problem resolved!

Very beatiful now!http://www.linuxquestions.org/questions/history/118623 Intel 865G integrated graphics and XFree 4.3 (post #1) Searchingfor anything here, I have been struggling with

原创 IBM Certificate Roadmaphttp://www-306.ibm.com/software/data/education/cert/preparation.html

http://www-306.ibm.com/software/data/education/cert/preparation.html

原创 转载：http://geosoft.pku.edu.cn/blogs/skywalk/articles/533.aspx

RedHat Linux 9.0美化方案 有两点要事先说明的：首先，我的系统是RedHat 9.0，我不能保证我的美化方法在所有的发行版上都能正常使用，是否采用，请大家自己考虑；其次，如果你以前用过了其他的美化方法或是美化包，请恢复到美化前的状态，因为你使用的美化方法（包）可能改动了系统的设置，我不能保证我的美化方法在你的系统上能达到预期的效果 请以root用户登陆，让我们开始吧！ 1. 拷贝Wi

原创 Image wavelet histogram

Wavelet can be used for fast indexing the texture information of the image. Very cool. It will be a good direction of study. The following I should understand:1.The pattern of wavelet histogram2.The a

原创 Oracle net manager

Oracle net manager the 服务名 应该是数据库名 otherwise the listen will not successful! 而服务命名是给监听的服务命一个名称！

原创 Oracle listener start

一般信息t(2,0)t(8)t(5) 状态t(8)向下上次更新时间t(8)2005-4-2 16:36:25相关链接t(8)上一个已知状态when press start.Then, it will also display this page!t(void 0,15)

原创 oracle之后,所有的运行都正常(包括em,isqlplus),但是在运行了一段时间之后,用em登陆,报出"数据库状态当前不可用。可能是因为数据库的状态为装载或不装载。单击 '启动' 可以获得当前状态并打开数据库。如果无法打开数据库, 单击 '执行恢复'

原创 DataBase Configuration Assistant

When using DataBase Configuration Assistant, there will be an error on the process of creating database!ORA-00922:missing or invalid optionORA-00922:missing or invalid optionCause:An invalid option wa

原创 3G

3G will be the future of IT.

原创 intel linux drivers download 82865G

http://support.intel.com/support/graphics/sb/CS-010512.htmGraphicsGraphics Drivers and Linux* SupportDue to the wide variety of Linux* distributions available, Intel has decided to base most of its Li

原创 Listen to this lesson1

comperen.主持人, 指挥者vt.当...的主持人, 指挥lane[leIn]n.小路；小巷We walked down the lane to the farm.我们沿着小路向农场走去。It is a long lane that has no turning.路必有弯。航线；空中走廊车道bus lane公共汽车专用车道fabulous[5fAbjJlEs]adj.寓言中的，传说中的fab

原创 Linux disk place

Now my linux disk  space only about 4g, but when I intalling the disk space abut 30G bits. Where gone the place now

原创 Travel of Beijing（1）

Blog  is really very good, it supply us a good platform to deliver message, from today, I will write something on my blog everyday!I arrived at Beijing on 1.6 2005  ，This is a place full of my ambitio

原创 linux beginner

Today I have arraived at Wuhan! I started learn linux now! I must master this technology!