int w = static_cast<int>(cap.get(CV_CAP_PROP_FRAME_WIDTH)); int h = static_cast<int>(cap.get(CV_CAP_PROP_FRAME_HEIGHT)); Size videoSize(w, h); VideoWriter writer("RecordVideo.avi", CV_FOURCC('M', 'J', 'P', 'G'), 25, videoSize); Mat frame; int key;//记录键盘按键 c...
sudo make install 安装完成后,在【终端】输入python3,确认一下。确实是改成Python 3.7.2了,并自动设置为default(默认)了。 4 安装完Python后,自带了pip3(通用的Python 包管理工具。提供了对Python 包的查找、下载、安装、卸载的功能)。很多python的大多数开发包,被统一放在Python仓库里。需要时,通过pip/pip3去...
cd /opt/nvidia/deepstream/deepstream/sources/deepstream_python_apps/apps/deepstream-imagedata-multistream python3 deepstream_imagedata-multistream.py file:///home/nick/DeepStream/sample_1080p_h264.mp4 frames cd /opt/nvidia/deepstream/deepstream/sources/deepstream_python_apps/apps/deepstream-getframe 四...
sudo hwinfo --framebuffer 笔者该命令的输出中,最大分辨率 1920x1080,实际使用中可能会出现更高的分辨率 在/etc/default/grub中修改 Grub 显示分辨率为刚才查询到的最大分辨率 GRUB_GFXMODE=1920x1080 [可选] 修改 Grub 中显示的操作系统顺序 /etc/grub.d/目录中存放的是 Grub 能够引导的操作系统的配置文件,按...
There is a small performance penalty associated with the change, but in cases where the impact is high (such as the Python interpreter), we’ll continue to omit frame pointers until this is addressed. Our analysis suggests that the penalty on 64-bit architectures is between 1-2% in most ca...
Frame: 物理层的数据帧概况 Ethernet II: 数据链路层以太网帧头部信息 Internet Protocol Version 4: 互联网层IP包头部信息 Transmission Control Protocol: 传输层T的数据段头部信息,此处是TCP Hypertext Transfer Protocol: 应用层的信息,此处是HTTP协议
快速解决办法就是把 baloo_file 和 baloo_file_extractor 这两个文件备份一下，然后重新建立一个到 /b...
MULTICAST> mtu 1500 inet 10.84.84.16 netmask 255.255.248.0 broadcast 10.84.87.255 inet6 fe80::abe9:f7ba:162c:b4b3 prefixlen 64 scopeid 0xfd<compat,link,site,host> ether 54:bf:64:93:e8:2a (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX ...
webp single frame or animation using cairo, pango, and libwebp xterm Xterm Tektronix 4014 Mode === # 测试 gnuplot-nox、gnuplot-qt、gnuplot-x11 这3个任意安装一个即可,不要全部安装,会有冲突 rambo@ub24-desktop:~$ sudo apt install -y gnuplot-nox # 设置terminal rambo@ub24-desktop:~$ gnuplot ...
Ubuntu系统是Linux子系统之一,一般需要通过SSH工具远程连接,输入命令管理。不过如果安装特殊的程序,Ubuntu系统也是可以实现远程可视化桌面操作。X11VNC就是比较常用的程序,安装过程如下: 一、使用SSH工具登录Ubuntu系统,直接用apt-get安装X11VNC。 apt-get update -y ...