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38. ToxicMap
7 months ago
37. reël
9 months ago
35. Procedural Lightpainting
1 year ago
Illustration of the procedural lightpainting technique. You need a projector, a distance sensor and a camera set to longtime exposure. See the flickr set with experiments: flickr.com/photos/33329152@N00/sets/72157625717260675/

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  • DAT DAT DAT plus 1 year ago
    I would add some of your results to the video. Great work!
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  • Niels Otten 1 year ago
    nice technique!
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  • onformative plus 1 year ago
    yes, you definitely need to show some of the resulting images i have seen...
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  • Kyle McDonald plus 1 year ago
    interesting... i'd like to see if it's possible to use the distance sensor in a different way. right now, you could just play back an animation and move the plane at a consistent speed, and you'd get the same result... i wonder what else you could do since you have a distance sensor? maybe do multiple passes with different things being projected...?
  • Elliot Woods 1 year ago
    you're suggesting animation?
  • Kyle McDonald plus 1 year ago
    oh no, i mean that the distance sensor only serves to calibrate the system. you can get this effect without a distance sensor if you have a steady hand.

    i'm curious what you can do with a distance sensor that can't be done with a steady hand. maybe animation is one of those things...
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  • Elliot Woods 1 year ago
    Great work Christopher!
    This is something i've been looking into with the kinect, but haven't had time to think out the 3D content bit yet.
    I made a call out for MRI datasets, but nobody was forthcoming yet.

    Yours it totally gorgeous though, and i presume the depth sensor (seems laser here right?) is much more stable/accurate (+usable at short distances. kinect is min ~40cm).

    Incredible shots. It's fantastic the way you've applied the technique.
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  • Christopher Warnow 1 year ago
    Hi Elliot, actually I used a hobby-distance sensor for some of the tests, but not for this video. It is a processing animation which runs automatically. But yes, the kinect is perfect for depth sensing. Which opens up the field for non-flat projection surfaces. I did not knew it does not works below 40cm though.
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  • Sunny Thaper 1 year ago
    Freaking rad!
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  • Andrew Stone 9 months ago
    Very nice. Agreed, you should be able to get this effect using "frame accumulation" techniques with semi-pro and pro video cameras without the use of a distance sensor, unless I am missing something in your application.
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