Slides on slideshare:
http://www.slideshare.net/innovationafterwork/low-cost-3dscanningv11-13936491
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Ramun Berger
Low costs 3D scanning
Focus on taking pictures with camera or kinect
some systems
- decent models of small things
- software is free (as in beer), closed source
- a toy, doesn't really work
-
creating point clouds with Kinect
- scanning about 5 min, 30 minutes uploading
- AutoDesk 123d apps family: 123D, 123D Catch, 123D Sculpt, 123D Make
- you take about 20-50 pictures of a model.
- sometimes nice results, sometimes crap
- between 2 min and 2 hours time to construct it. you get a mail when it is ready
-
closed sourced , windows only
- for scanning big objects. from 10 cm to 2 cars
- webcam with a line-laser and a turntable
- we didn't get the prototype running
- scan small objects. one button
- it does colourscan because he doesn't use infrared light
Open Kinect or OpenFrameworks. (There should be an s at the end)
workflow:
- clean it up (point cloud) --> this can take most of the time
The walk through of 123D catch from Massimo Aalto fablab
Cleaning up can be down with:
- MeshLab: Viewing and editing many 3D file formats
- MeshMixer: Creating 3D Mash-ups
- bit nonintuitive interface, have to get used to it.
- but very funny and a lot of tutorials on youtube
- NetFabb: Cleaning 3D Models
- "best one to get clean models for me"
Demo: ReconstructMe
Uses Kinect
difficult software, crashes a lot
high resultution scanning is possible
you can have multiple scans
in meshlab align the pieces
quite good autostitching
you cannot scan glasses or reflections
Nextengine: is a 3d scanner ($ 3000) and is in use in the fablab Groningen