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DLP4500: We built a millimeter-level finger tracking system and would like to have your feedback.

Part Number: DLP4500

Hi guys,

We have built a millimeter-lever finger tracking system using lightcrafter 4500 and a few light sensors.

The system design and evaluation have been published at IEEE International Conference on Pervasive Computing and Communications (PerCom) 2017.

We would like to share this fun project with more audience and any feedback would be highly appreciated. 

You may check our project at Arduino blog https://blog.arduino.cc/2017/04/14/lift-takes-finger-tracking-accuracy-to-a-new-level/ 

Or share it on Facebook: https://www.facebook.com/official.arduino/posts/1830523000307344?match=ZmluZ2VyIHRyYWNraW5nLGFyZHVpbm8%3D 

                       Twitter: https://twitter.com/arduino/status/852695598952304640 

Btw, many thanks to the DLP Team at TI.

Shang

  • Hi Shang,

    Thanks for sharing this with us, this is very cool work!

    I have a question for you - would having an IR projector for this application be an advantage or disadvantage?

    Thanks,
    Paul
  • Hey Paul,

    Having an IR projector is actually what we are working on right now. With modulated IR signal, one can increase both the signal-to-noise ration and the working distance.

    But, as shown in the discussion section of the paper, we also plan to project a simple graphic user interface for visual feedback. In this particular case, a projector with rgb channels seems the only option.

    We did try to find projectors with rgb+IR channels, but the one we found online looks very expensive. So if anyone has seen something interesting, please do let us know. Any input would be highly appreciated.

    As a joint projection between university and research lab in industry, we are surely looking for more opportunities for collaboration. 

    Shang