He, Peng

A Roboticist.

Robotic is just the integration of all human knowledges, so far.


Tag: Python


  1. ROS Import Python Module From Another Package

    Abstract: This will be a fire to go blog. It is really not hard to do this but ROS wiki did a good job in making it hard. Let me guide you through it. There are only TWO things you can do First of all, you need to understand what you can do and then…

    ROS, Python, CMakeLIstsRead More

  2. ROS Actionlib: The Generated Messages

    Abstract: Knowing how to write an action server is very useful in robot software development. This guidance will focus on explaining the missing part from the official ROS tutorial -- the relation between an action server, and its generated messages.…

    ROS, Actionlib, Tutorial, PythonRead More

  3. Regular Expression Simple Usage in Python

    Abstract: I feel the regular expression is a monster, in both ways. Hard to learn, hard to use. Because the dude who concept this is in the 1950s and at this time everything is very C-style (raw and not beautiful). However, for some reason, I have t…

    Python, Study & Research, Regular ExpressionRead More

  4. Dinosaur Classifier Using Interesting Key Points, OpenCV

    Abstract: This post will introduce two ways of classify an object using the OpenCV library. It is very good for beginner to study this post because after this you will get an idea of what the whole processing looks like. Notice: This project was done…

    Study & Research, Projects, Python, OpenCVRead More

  5. A-Star (A*) Path Planning, 3-DOF PR2 Robot, Python

    Abstract: A Star Algorithm has been widely used in motion planning problems. This article will start from a real project to help you understand the A Star programing idea. It is nice because we will use PR2 in OpenRave as an example. Python Tips: Use…

    A*, Python, AStarRead More