3D Rock Art Scanner - Computerphile
42,230
Published 2016-01-22
Brain Scanner: • Brain Scanner - Computerphile
Finite State Automata: • Computers Without Memory - Computerphile
Structure from Motion: COMING SOON
Axel Pinz is Associate Professor at Graz University of Technology & leads the Image Based Measurement Group.
More info on this project: bit.ly/computerphile_rockscanner
www.facebook.com/computerphile
twitter.com/computer_phile
This video was filmed and edited by Sean Riley.
Computer Science at the University of Nottingham: bit.ly/nottscomputer
Computerphile is a sister project to Brady Haran's Numberphile. More at www.bradyharan.com/
All Comments (21)
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This was a super cool video, it happens that I'm an engineer that works with archaeologists for just this type of stuff, specifically 3D capture and digital preservation of archaeological sites. It's very cool to see this type of technology being shown off, there's a whole world of different 3D measurement devices like this one.
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for all those wondering: Alex Pinz was born in 1958 in Vienna, Austria. He resceived the M.Sc. degree in electrical engineering in 1983 and the Ph.D degree in computer science in 1988 from Vienna University. In 1995 he received the habillitation in computer science from Graz University of Technology.
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Valcamonica rules!! I live in there!
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Simply beyond cool.
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In game development we usually name it voxels. Also pixels does not represent continuous data but rather points in space (as was explained in the video to be opposite). Pixel is simply the smallest controllable element of a given pixture, but then if you scale picture you start interpolating its data to ensure continuous representation. I'm sure that the scan data can do exactly the same: be represented as the only data of the image or with space between filled with interpolated information. :)
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I think the word he's looking for to describe the points is "Vertices"
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Hopefully they can figure out a way to make this work for rock art on walls and ceilings, as well as floors.
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I expect to see one of these on CSI....That'll be hard, as I don't watch it, but you get my point.
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I have seen something similar to this in action last year on a site I was working on. They took 3D scan of the butt-hut we excavated. The 3D image was amazing.
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Wohoo, Austria! ^^
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I have to say, I was wondering whether that was a German accent but I couldn't pinpoint it. As soon as he mentioned Graz, I just couldn't get the Austrian accent out of my head. (^_^')
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Ah, he is an Austrian, that's why I thought I know that accent. That austrian accent always sounds pretty nice, even in english =)
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Cool setup
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Hey that's cool, I was by this professors lectures! Really interesting stuff.
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Very, very cool!
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How do you correctly recreate the normal map here? Is it from the stereo imaging or is it from the difference between the two image sets, or how?
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Does it have an accelerometer or other type of measuring the orientation of the device itself? That should make the stitching of the surfaces more reliable when taking several pictures of the same surface. As an electronics and computer sciences student I find this thing to be quite interesting. :)
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I'd love to make a portrait with this camera, just to see how it looks on living objects :)
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might be useful for a fieldtrip in petrology, as often on some sights we are not allowed to take samples.
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Is there a reason why not every LED is lit up at the same time, as can be seen in the slomo at 01:47?
