Colibri meets Robotics
Colibri modules from Toradex can be used as computing platforms for mobile robots.
Researchers at the University of Plymouth (United Kingdom) have developed a fully autonomous humanoid robot. Their robot makes use of two cameras and processor boards which comprise the Colibri XScale PXA270.
'Bunnybot' with student, copyright University of Plymouth
A more detailed description of the robot can be found on the University’s homepage. There’s also a video on youtube showing the University of Plymouth mobile robot based on Colibri XScale PXA270 during the Euroby 2008 robot football competition held in Switzerland and Austria.
Another project is reported from Paris (France). Over there, a team called “Droids Corporation” participated in the 2008 Eurobot competition with their mobile robot comprising a Colibri XScale PXA320 based vision system.
Have a look at their youtube videos: Homologation a la coupe de robotique 2008 and Eurobot 2008 competition featuring Droids, Corp. with their mobile robot and a Colibri PXA320 based vision system.
The pictures below show how image processing is used for detecting the position and colour of their robot’s targets.
Bounding box of detected balls are displayed. This is the worst case (a red ball is missing)
Picture after blue/red/white filtering (thresholds got thanks to automatic calibration). This is the source image for shape matching algorithms.
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