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RSS订阅原创 博客文章汇总
我的博客总结地址： www.ybliu.com对应的B站： https://space.bilibili.com/52620240主要记录SLAM，机器人，神经网络相关的学习经验。文章列表更新 2020-07-14：Docker Installation and configuration - Walk Into AI WorldORB SLAM2 实践 （一 ）安装与运行 - Walk Into AI WorldORB SLAM2 实践 （二）使用Realsense 相机运行O
2020-07-14 22:39:08
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原创 如何使用Markdown來寫PPT
PPTSystem安裝NodejsInstall yarnreveal.jsMarpmarp-climarp.appOthersReferenceSystemUbuntu安裝Nodejs1. Add Node.js PPAsudo apt-get install curlcurl -sL https://deb.nodesource.com/setup_12.x | sudo -E...
2020-03-30 15:32:23
539
原创 Edge Detection
%% Read Lena imagelena = imread('imgs/lena.jpg');figure, imshow(lena), title('Original image, color');%% convert to monochrome (grayscale) using rgb2graylenaMono = rgb2gray(lena);%% Make a blur...
2019-06-20 10:41:17
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原创 My Linux (Ubuntu) Confg
Docker$ docker version# 或者$ docker infosudo usermod -aG docker $USER# service 命令的用法$ sudo service docker start# systemctl 命令的用法$ sudo systemctl start dockerdocker image pull hello-world...
2019-06-06 05:52:58
198
原创 ROS
RGB and depth sensorsRealSense D415/D435roslaunch realsense2_camera rs_camera.launch align_depth:=trueKinect v2 (Xbox One)$ roslaunch kinect2_bridge kinect2_bridge.launch publish_tf:=trueRefere...
2019-05-23 15:04:01
146
原创 emacs
这是一个使用ORG文本来配置EMACS的示例。* package management#+BEGIN_SRC emacs-lisp;;Define a function to open the init file(defun myfun/open-my-emacs-init-file() (interactive) (find-file "~/.emacs.d/init.el"))...
2019-05-14 22:02:52
542
原创 docker
DockerHow To Install and Use Docker on Ubuntu 16.04curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/...
2019-05-14 07:40:00
387
原创 机器学习
熵熵作为混乱程度的度量。纯度。熵=−∑i=1nPiln(Pi)熵=- \sum_{i=1}^{n} P_i ln(P_i) 熵=−i=1∑nPiln(Pi)信息增溢越大越好信息增溢率（信息增溢除以自身的熵值）Gini coefficientGini(P)=∑k=1Kpk(1−pk)=1−∑k=1Kpk2Gini(P)=\sum_{k=1}^{K} p_k (1-p_k)=1-\s...
2019-05-06 11:19:14
131
原创 Octomap
OctomapGithub: https://github.com/OctoMap/octomap.gitOfficial: http://octomap.github.io/API 文档：http://octomap.github.io/octomap/doc/SLAM拾萃(1)：octomap: https://www.cnblogs.com/gaoxiang12/p/5041142....
2019-04-27 19:51:07
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原创 Python
Common used functionsmainif __name__ == '__main__' :argmax a = np.array([[1, 5, 5, 2], [9, 6, 2, 8], [3, 7, 9, 1]]) print("axis = 0: ", np.argmax(a, axis=0)) ...
2019-04-27 10:42:12
544
原创 ENet
InstallObtain ENetgit clone --recursive https://github.com/TimoSaemann/ENet.gitcd ENet/caffe-enet/dockerConfig caffe-enet dockervim Makefile:cpu_standalone: standalone/cpu/Dockerfile> $(DOC...
2019-04-14 18:53:21
1890
原创 常用库的安装与配置(Eigen, PCL, OpenNI, Boost, G2O, Pangolin, Cuda, cuDNN)
System Environmentyubao@yubao-Z370M-S01:~/Software$ uname -aLinux yubao-Z370M-S01 4.15.0-46-generic #49~16.04.1-Ubuntu SMP Tue Feb 12 17:45:24 UTC 2019 x86_64 x86_64 x86_64 GNU/LinuxEigensudo a...
2019-04-13 09:30:17
1341
原创 RTAB-Map
OverviewRTAB-Map’s ROS package. http://wiki.ros.org/rtabmap_rosRTAB-Maphttps://github.com/introlab/rtabmap/wiki/Installation#ubuntu$ cd ~$ git clone https://github.com/introlab/rtabmap.git rtabma...
2019-04-12 09:27:34
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原创 IntelRealSense D435i
ResourcesGet startedIntelRealSense/librealsense-GithubIntel® RealSense™ SDK 2.0 Github User GuidePreparationUbuntu 16.04Ubuntu 16.04/18.04 LTS (Linux Kernels 4.4, 4.8 ,4.10, 4.13, 4.15 and 4...
2019-04-10 21:36:37
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原创 Representin Position and Orientation
Download MATLAB ToolboxDownload Robotics toolboxExample:%The toolbox also supports symbolic mathematics>> syms theta>> R=rot2(theta)R = [ cos(theta), -sin(theta)][ sin(theta), cos...
2019-04-01 09:48:23
292
原创 NanoPi NEO Air
Essentials You NeedBefore starting to use your NanoPi NEO AIR get the following items readyNanoPi NEO AIRmicroSD Card/TFCard: Class 10 or Above, minimum 8GB SDHCmicroUSB power. A 5V/2A power is a must...
2018-03-18 22:30:36
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原创 Raspberry GPIO
wiringpi http://wiringpi.com/download-and-install/git clone git://git.drogon.net/wiringPipi@raspberrypi:/sys/class/gpio$ gpio -vgpio version: 2.44Copyright (c) 2012-2017 Gordon HendersonThis is ...
2018-03-01 10:33:32
523
原创 Lookup Raspberry System Version
Q: How to know which Raspberry board version you are used?A: use cat /proc/cpuinfo pi@raspberrypi:/sys/class/gpio$ cat /proc/cpuinfo processor : 0model name : ARMv7 Processor rev 4 (v7l)...
2018-02-27 16:31:32
307
原创 Dlib Configure on Raspberry PI
Install dlib dependencesThe dlib library requires four prerequisites:BoostBoost.PythonCMakeX11These can all be installed via the following commandssudo apt-get updatesudo apt-get install build-essent...
2018-02-27 13:02:10
358
原创 Install dlib on Raspberry Pi Study Note
Install dlib dependencesThe dlib library requires four prerequisites:BoostBoost.PythonCMakeX11These can all be installed via the following commandssudo apt-get updatesudo apt-get install build-essent...
2018-02-26 21:11:11
371
原创 Compile OpenCV3 on Raspberry Pi
WhyThe default version installed using "sudo apt-get" is 2.4. Therefore, we need compile OpenCV3+ using source code.Platformraspberry pi (linux kernel)Preparepi@raspberrypi:~/opencv-3.3.1 $ sudo apt-g...
2018-02-26 10:35:41
445
原创 MacOS Study Note
How to Install Software If you want the equivalent to apt-get or yum on Mac OS X, you have two choices. You can use brew install PACKAGE_NAME or port install PACKAGE_NAME to install the package av...
2018-02-25 16:58:00
177
原创 ssh related
Common ProblemsConnection refusedpi@raspberrypi:~/pi-drowsiness-detection $ ssh 127.0.0.1ssh: connect to host 127.0.0.1 port 22: Connection refusedSolve:pi@raspberrypi:~ $ sudo /etc/init.d/ssh start
2018-02-24 16:12:28
169
原创 Raspberry Development Environment
OverviewRef: http://www.waveshare.net/study/portal.php?mod=view&aid=594Install SystemDownload raspberry 'img' from https://www.raspberrypi.org/downloads/raspbian/Format an SD card with NTFS or Fat...
2018-02-23 21:19:49
460
原创 Linux Samba Practice
Samba Linux ServerPlatform: UbuntuSteps:Install Samba sudo apt-get install samba samba-common-binCreate Share Folderyubao@yubao-ThinkPad-E560:~$ mkdir SambaShareyubao@yubao-ThinkPad-E560:~$sudo chmod...
2018-02-23 13:48:18
219
原创 EnumDisplayDevices
# EnumDisplayDevices function #code: https://github.com/yubaochina/programming_API_Guide/The EnumDisplayDevices function lets you obtain information about the display devices in the current sess
2016-10-21 15:26:56
2702
原创 arm-linux-gcc 安装
如果出现这个问题： bash:arm-linux-gcc No such file or directory.可能是因为你的linux是64位的，但您安装的程序是32位置的。解决方案： 1. 下载64位arm-linux-gcc : 参考网址： http://ftp.sjtu.edu.cn/si
2013-07-27 22:01:51
669
转载 MATLAB 摄像头视频获取和保存
MATLAB 摄像头视频获取和保存一、读取摄像头视频如题目，首先你需要有一个摄像头（usb或者本本自带的都可以）并且安装好了驱动，保证设备可以正常使用。先来段简单的通过MATLAB显示摄像头视频的代码： 1 vid = videoinput('winvideo',1);2 preview(vid); 通过上面两段代码就可以看到摄像头里面的画面。
2013-07-04 12:15:09
25713
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转载 NS2笔记 之 OTcl与C++
转自： http://blog.youkuaiyun.com/evan1130/article/details/3890759最近一直在理解NS2所谓的分裂对象模型，想知道ns是如何通过Otcl来创建C++对象的。下面把学习的一些心得总结一下。Otcl其实就是面向对象的tcl，这和C++和C的关系是一样的。Otcl和Tcl一样是可嵌入的，它提供了C的API接口，我们可以通过这些接口来访
2013-05-20 17:15:19
705
转载 SDCC安装指南
参考网址： https://github.com/g-oikonomou/contiki-sensinode/wiki/Prepare-your-SystemPrepare your SystemHomePrepare your SystemDownload and Build ContikiUnderstand Code Banking
2013-05-17 14:40:44
5188
原创 Tcl-debug install guid
Tcl-debug install guid一、 How to configue and make Tcl-debug★ Download tcl-degug-2.0You can search from the Internet by yourself.★ Dezip the tar.gz ball: Tar zxvf tcl-
2013-04-30 17:57:58
1613
原创 将NS2嵌入到Eclipse中进行开发运行
将NS2嵌入到Eclipse中进行开发运行2013-4-18一． 准备工作l 安装NS2 （通进源码包进行编译安装）l 安装Eclipse[1]，我使用的是ubuntu系统。l 安装GCC工具链，命令如下：sudo apt-get install build-essential二． Ubuntu（Linux）使用Eclipse搭建C/C++编译环境 l To ins
2013-04-18 21:07:48
1289
原创 ubuntu12.04下安装ns-allinone-2.35
I installed Ns2.35 using ns-allinone-2.35 based on ubuntu system. So here are the steps.1. Download ns-allinone-2.35 from http://www.isi.edu/nsnam/ns/ns-build.html or http://mac.softpedia.com/pr
2013-04-16 15:57:40
4710
原创 win7下dynamips类模拟器桥接到本地PC，但是无法ping通的解决办法
win7下dynamips类模拟器桥接到本地PC，但是无法ping通的解决办法:
2013-04-12 20:09:02
1395
原创 securecrt access denied specified user is not a member of telnetclients group
SecureCRT在使用TELNET时出现在错误提示：securecrt access denied specified user is not a member of telnetclients group 解决方案：
2013-04-11 16:29:42
5064
原创 奶瓶Beini CDLINUXU盘启动盘制作
CDLINUX U盘启动盘制作1、准备工作l Sivet_CDlinux.isol BOOTICEl Menu.lstl Grldrl UltroISO2、制作1) 用UltroISO打开Sivet_CDlinux.iso2) 【启动】【写入硬盘镜像】3) 运行BOOTICEk,注意在目标磁盘中要选择自己的U盘。
2013-02-22 20:24:00
7502
原创 TI生成hex文件方法
1. 工程设置2. 打开配置文件3. 修改配置文件 （把原先的注释去掉）// Include these two lines when generating a .hex file for banked code model:-M(CODE)[(_CODEBANK_START+_FIRST_BANK_ADDR)-(_CODEBANK_END+_FIR
2012-08-27 10:48:55
2083
原创 ubuntu与windows双系统安装
一、安装grub4dos。1.把附件的grldr和menu.lst下载复制到c盘根目录下，（假设xp安装在C盘）2.修改c:\boot.ini,最后一行添加c:\grldr="Grub For Dos"若没有boot.ini，可以在windowsXP下，计算机－>属性->高级->启动与故障恢复->编辑，加入c:\grldr="Grub For Dos"grub4dos就这样安装
2012-04-23 15:57:30
466
C# Windows Service 开发示例程序
2018-02-12
CDLIUX无线密码破解系统 U盘启动盘制作教程
2013-02-22
SEC S3C2410X Test B/D 驱动
2013-01-02
SEC S3C210X Test B/D驱动
2013-01-02
QT C++ GUI Programming with Qt 4 (second edition)
2012-04-24
QT C++ GUI
2012-04-24
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