Thursday, June 27, 2019

Marker Tracking via WebSockets With a Raspberry Pi

Imagine you intend to automatically move a couple of robots within a room. You need accurate position and orientation (direction frontside is pointing to) of each robot. Apparently, outdoor systems like GPS don't work and you have a small budget. What do you do?

After some research for easy-to-apply solutions, my students and I decided to visually track our robots. We put a camera at the ceiling continuously streaming a video stream of our robots below. What remained to be done was capturing the frames of the video stream, search for the objects of interest inside, and serving the findings.



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