Video encoding with FFmpeg and Qt Creator

As promised, now that I am done with building my new robot, I am back to my “Indoor GPS-like Navigation System” series.  I previously presented the vision-based indoor navigation system I intend to implement, the system’s graphical user interface and how to acquire images from webcams on Windows systems with Qt creator and a little open source library based on Direct Show. This time, I thought it could be interesting to present functionalities I added to my GUI in order to grab and encode video sequences and how I did it using a cross-platform open source library: FFmpeg. Continue reading

Building a remote controlled Arduino robot based on the Turtle-2WD mobile platform

tools

In previous posts, I presented new hardware I acquired to build an Arduino robot and preliminary component testing. In this post, I share my experiments aimed at building the robot. Firstly, I will present and justify the electrical system I designed. Secondly, I will talk about its implementation and thirdly I will review the mechanical assembling. Finally, I will present a test code featuring QT. Continue reading