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RSS订阅原创 /usr/bin/ld: warning: libopencv_imgcodecs.so.3.2, needed by /usr/lib/x86_64-linux-gnu/libopencv_high
出现一个警告信息，暂时不管/usr/bin/ld: warning: libopencv_imgcodecs.so.3.2, needed by /usr/lib/x86_64-linux-gnu/libopencv_highgui.so.3.2.0, may conflict with libopencv_imgcodecs.so.3.3/usr/bin/ld: warning: libopencv_imgproc.so.3.2, needed by /usr/lib/x86_64-linux-gn
2021-11-25 23:00:36
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原创 目标跟踪从入门到放弃
目标跟踪项目操作1、环境准备================Ubuntu版本1804或者1604，更高版本会出现未知错误。============================================OpenCV3.3.1opentracker两者的安装必须严格按照操作步骤来，就是这个。================下载opentracker文件包可以点击code—download zip然后解压即可第一次运行需要在操作台输入make然后是sudo make insta
2021-11-16 19:48:35
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原创 python 读取文件特定行
1234567891011121314151617181.默认你知道“指定行”的行号那么：def appoint_line(num,file): with open(file,“r”,encoding=‘utf-8’) as f: out = f.readlines[
2020-12-09 11:26:42
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原创 1018 upgrade
1018 upgradeThe following packages will be upgraded:apport apport-gtk python3-apport python3-problem-report4 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.Need to get 227 kB of archives.After this operation, 0 B of additional disk space
2020-10-18 15:12:29
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原创 perform mok management
perform mok management正确的做法如下：当进入蓝色背景的界面perform mok management 后，选择 enroll mok ,进入enroll mok 界面，选择 continue ,进入enroll the key 界面，选择 yes ,接下来输入你在安装驱动时输入的密码，之后会跳到蓝色背景的界面perform mok management 选择第一个 reboot...
2020-10-16 17:27:23
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原创 cuda,nvcc,gpu information
cuda,nvcc,gpu informationhttps://www.cnblogs.com/marsggbo/p/11838823.html
2020-10-15 15:10:28
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原创 nvcc install,input nvcc -V ,command not found
nvcc install,input nvcc -V ,command not foundrun command:nvcc -V,there is a error that command not found .input two sentence:export PATH=/usr/local/cuda/bin:$PATHexport LD_LIBRARY_PATH=/usr/local/cuda/lib64:$LD_LIBRARY_PATHthen ,you can input nvcc -
2020-10-15 15:07:37
357
原创 GeForce RTX 3090驱动下载
GeForce RTX 3090驱动下载https://www.nvidia.com/content/DriverDownload-March2009/confirmation.php?url=/XFree86/Linux-x86_64/455.23.04/NVIDIA-Linux-x86_64-455.23.04.run&lang=us&type=GeForce
2020-10-14 21:29:23
2963
原创 https://blog.youkuaiyun.com/weixin_44138807/article/details/90447760?utm_medium=distribute.pc_relevant.non
https://blog.youkuaiyun.com/weixin_44138807/article/details/90447760?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-2.channel_param&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-2.c
2020-10-14 20:12:26
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原创 安装网卡驱动Realtek 8125
安装网卡驱动Realtek 8125首先输入lspci查看网卡型号Ethernet controller显示的就是网卡型号安装方法网址https://github.com/heri16/r8125官网地址https://www.realtek.com/en/component/zoo/category/network-interface-controllers-10-100-1000m-gigabit-ethernet-pci-express-software...
2020-10-14 19:35:33
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原创 Ubuntu搜狗拼音安装
Ubuntu搜狗拼音安装https://blog.youkuaiyun.com/lupeng优快云/article/details/80279177?utm_medium=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromMachineLearnPai2-1.channel_param&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromMachin
2020-10-12 21:31:05
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原创 **opencv331install_path**
opencv331install_pathInstall the project…– Install configuration: “RELEASE”– Installing: /usr/local/include/opencv2/cvconfig.h– Installing: /usr/local/include/opencv2/opencv_modules.hpp– Installing: /usr/local/lib/pkgconfig/opencv.pc– Installing: /us
2020-10-12 19:23:56
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原创 opencv331install informations
opencv331install informationsddd-- OpenCL: <Dynamic loading of OpenCL library>-- Include path: /home/cxl/cxl_install_files/opencv/3rdparty/include/opencl/1.2-- Use AMDFFT: NO--
2020-10-12 19:11:25
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原创 opencv331 install E: Unable to locate package libjasper-dev
opencv331 install E: Unable to locate package libjasper-devcxl@cxl-pc:~$ sudo apt-get install libjpeg8-dev libjasper-dev libpng12-devReading package lists... DoneBuilding dependency tree Reading state information... DonePackage libpng12-dev is
2020-10-12 17:52:07
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原创 ros安装rosdep init 失败
ros安装rosdep init 失败rislab@rislab-pc:~$ sudo rosdep initsudo: rosdep: command not foundrislab@rislab-pc:~$ sudo apt install rospack-tools
2020-10-10 14:54:59
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原创 opencv331-执行sudo apt -y install libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev出错
E: Unable to locate package libgstreamer0.10-dev错误如下E: Unable to locate package libgstreamer0.10-devE: Unable to locate package libgstreamer0.10-devE: Couldn't find any package by glob 'libgstreamer0.10-dev'E: Couldn't find any package by regex 'libgs
2020-10-10 11:12:31
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原创 修改Ubuntu源为u盘启动盘
修改Ubuntu源为u盘启动盘Ubuntu安装完成后，如果发现安装不成功，可以尝试将Ubuntu源修改为u盘启动盘，然后直接从u盘安装缺少的文件。具体方法如下：1、修改source.list文件，先将原文件备份，cp sources.list sources.list.bak然后是sudo vim /etc/apt/sources.list2、挂载u盘启动盘文件。mount查看u盘此时的名字，比如是/dev/sdc4。然后mount /dev/sdc4 /mnt3、将文件中网络下载的代码删除，改成
2020-10-09 10:02:35
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原创 Ubuntu单系统安装，独立显卡造成的花屏问题，不显示grub
Ubuntu单系统安装，独立显卡造成花屏的问题，不显示grub问题描述：在RTX2080ti super台式机上安装Ubuntu18.04系统。主要操作是1、插入安装u盘，开机时按住F11，选择u盘启动，2、进入u盘GRUB界面，光标选择install Ubuntu，然后按e键3、进入启动选择界面，在Linux一行末尾删除“—”，然后添加nomodeset，注意前方空一格4、按Ctrl+X保存并且自动退出5、进入安装程序，正常安装即可6、安装完成后要重启，先拔出安装u盘，重启时按住shift，
2020-10-08 15:50:14
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原创 OpenCV3.3.1安装提示以及多版本OpenCV并存
OpenCV多版本共存补充在安装OpenCV时注意有几处需要改动cmake -D CMAKE_BUILD_TYPE=RELEASE \ -D CMAKE_INSTALL_PREFIX=/usr/local \#默认安装路径，可以改为你自定义的 -D INSTALL_C_EXAMPLES=ON \ -D INSTALL_PYTHON_EXAMPLES=ON \ -D WITH_TBB=ON \ -D WITH_V4L=ON \
2020-10-02 18:10:17
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原创 tar命令shiyong ubuntu
tar命令tar命令的使用参考https://www.cnblogs.com/Sabre/p/10365395.html简洁版https://blog.youkuaiyun.com/Hongwei_1990/article/details/89604380
2020-09-27 16:52:21
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原创 OpenCV捕捉视频并且保存
OpenCV捕捉视频并且保存https://www.cnblogs.com/polly333/p/5165290.html
2020-09-26 16:54:15
116
原创 Boost串口通信 boost::asio::serial_port基本使用
Boost串口通信 boost::asio::serial_port基本使用boost库有一个asio，支持串口通信。步骤：1、产生一个boost::asio::io_service（前摄模式，类似于完成端口，不过，可以针对不同IO对象）2、构造一个boost::asio::serial_port，有两种方法：（一）boost::asio::serial_port m_serialPort(m_IoService, “COM1”);（二）boost::asio::serial_port m_se
2020-09-21 20:40:40
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原创 libopencv_imgproc.so.3.2, needed by /usr/lib/x86_64-linux-gnu/libopencv_highgui.so.3.2.0,
baocuo/usr/bin/ld: warning: libopencv_imgproc.so.3.2, needed by /usr/lib/x86_64-linux-gnu/libopencv_highgui.so.3.2.0, may conflict with libopencv_imgproc.so.3.3/usr/bin/ld: warning: libopencv_core.so.3.2, needed by /usr/lib/x86_64-linux-gnu/libopencv_hig
2020-09-17 15:25:29
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原创 ros和opencv图像转换相关cv_bridge使用
ros和opencv图像转换相关https://www.cnblogs.com/li-yao7758258/p/6637079.htmlhttps://blog.youkuaiyun.com/weixin_40863346/article/details/82216462其他
2020-09-15 20:21:24
219
原创 ros卸载和安装，问题总结
ros卸载与重装完全卸载：//依次输入：$sudo apt-get purge ros-*$sudo rm -rf /etc/ros$gedit ~/.bashrc参考https://blog.youkuaiyun.com/qq_41058594/article/details/81079259===============================================在一开始选择镜像源的时候，最好选择清华源，不要用默认的Ubuntu源：=====================
2020-09-14 15:59:51
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原创 ros控制小乌龟
http://wiki.ros.org/cn/ROS/Tutorials/UnderstandingNodeshttp://wiki.ros.org/cn/ROS/Tutorials/UnderstandingNodes
2020-09-14 15:59:33
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原创 一种修改文件权限的方法----------------bash: ./run: 权限不够---sudo: ./run：找不到命令
一种修改文件权限的方法cxl@cxl-laptop:~/OpenTracker/example$ ./run_opentracker_example.binbash: ./run_opentracker_example.bin: 权限不够cxl@cxl-laptop:~/OpenTracker/example$ sudo ./run_opentracker_example.bin[sudo] cxl 的密码： env: "./run_opentracker_example.bin": 权限不够
2020-09-14 15:59:10
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原创 运行opentracker时遇到以下错误，显示找不到共享库文件libopentracker.so
运行错误，显示找不到库文件运行opentracker时遇到以下错误，显示找不到共享库文件cxl@cxl-laptop:~/OpenTracker/example$ ./run_opentracker_example.bin./run_opentracker_example.bin: error while loading shared libraries: libopentracker.so: cannot open shared object file: No such file or direct
2020-09-14 15:54:00
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原创 warning: libopencv_imgcodecs.so.3.2, needed by /...warning: libpng12.so.0, needed by /usr/local/lib/
warning: libopencv_imgcodecs.so.3.2, needed by /opt/ros/melodic/lib/libcv_bridge.so, may conflict with libopencv_imgcodecs.so.3.3usr/bin/ld: warning: libpng12.so.0, needed by /usr/local/lib/libopencv_imgcodecs.so.3.3.1, not found (try using -rpath or -rpa
2020-09-10 18:44:36
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原创 ros安装 catkin_make失败 ImportError: “from catkin_pkg.package import parse_package“ failed: No module na
ros安装 catkin_make失败 ImportError: “from catkin_pkg.package import parse_package” failed: No module named ‘catkin_pkg’在ros安装时，运行到建立工作空间，然后编译catkin_make出错。情况一：如果是你错误使用了Python3版本，那么就将编译命令由catkin_make改为catkin_make -DPYTHON_EXECUTABLE=/usr/bin/python2参考链接1
2020-09-10 17:40:08
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