Programmer Group

1, Introduction to OpenCV OpenCV is a cross platform computer vision and machine learning software library based on BSD license (open source), which can run on Linux, Windows, Android and Mac OS operating systems. [1] It is lightweight and efficient - it is composed of a series of C functions and a small number of C + + classes. At the sam ...

Judge ROS version number The robot uses raspberry pie, stm32 and ros. First, configure the network, plug the sd card on the robot into the raspberry pie development board, and then configure the connected hotspot. Next, plug the sd card back into the raspberry pie on the robot, turn on the hotspot, and the robot will automatically connec ...

Basic knowledge learning 🌟 The difference between topic and service -topic of conversationserviceSynchronizationasynchronoussynchronizationcommunication model Publish / subscribeServer / clientUnderlying protocolROSTCP/ROSUDPROSTCP/ROSUDPfeedback mechanismnothinghavebufferhavenothingReal timeweakstrongNode relationshipMany to manyOne to ...

The process of deploying python using Docker: 1. The Docker hub pulls the python image.2. Create a container and add third-party libraries required for the project in the container3. Make the container in step 2 as a mirror4. Use images for intranet environments. 1. Pull the python basic image: xiaoyuanzi@xiaoyuanzi-virtual-machine:~$ do ...

Log is a good thing to locate historical problems, but there are too many records, do not scroll, and do not remove the old total disk burst. If the logs are output by the log framework, such as Log4j or Logback, you can scroll the logs and delete the old archived log files by selecting an Appender with scrolling feature. However, there are log ...

2.2. Install Ubuntu operating system on the host computer In this article, the host computer uses VMware Workstation virtual machine to install Ubuntu operating system. The installation file of the operating system is ubuntu-20.04.3-desktop-amd64. 2.2.1.Ubuntu system installation The first step is to create an Ubuntu image storage folder and ...

     In May, the tutor gave the research direction to laser slam. At that time, he began to operate the construction of relevant systems and the reproduction of codes. It took a lot of time due to the epidemic and flood. Now the school has been open for more than a month, and the preparatory work has been preliminarily comp ...

1. Problem description If you want to use the command sudo add apt repository PPA: openjdk-r / PPA, but you are prompted that there is no add apt repository command, install itThe add apt repository command is part of the software properties common package, so it is OK to install this package.But once reported an error...> sudo apt-get inst ...

First, in order to avoid subsequent trouble, try to configure according to the official reference configuration. (Ubuntu18.04+CUDA10.1) 1, Preparatory work 1. View CUDA version command: nvcc -V (this command views the Runtime API. When NVIDIA SMI views the Driver API, it doesn't matter. The two API versions can be different) My Ubuntu has in ...

Practice compiling and installing the famous C/C + + image processing open source software library Opencv3.x under the Ubuntu 16 / 18 system. Preface (installation steps of opencv) Reference article: https://blog.csdn.net/forever_008/article/details/103625637 According to step by step, problems can be solved by Baidu Tip: opencv has ...