Search found 11 matches

by aeva
Fri Feb 28, 2014 12:45 pm
Forum: 3D Scanner Software
Topic: LulzBot 3D Scanner
Replies: 35
Views: 20916

Re: LulzBot 3D Scanner

This picture shows one of many features that I've added to LibVoxel this week - volume casting! cast_example_c.png I've used Blender's bisect feature to show the difference between the two models. The model on the left is a hollow sphere, the model on the right is the cast version. They both have an...
by aeva
Mon Feb 24, 2014 9:02 pm
Forum: 3D Scanner Software
Topic: LulzBot 3D Scanner
Replies: 35
Views: 20916

Re: LulzBot 3D Scanner

Quick update: I've been building out some tools for working with voxel data, which will be used in the scanner software. You can find my code so far here: https://github.com/alephobjects/libvoxel. Nothing photogenic, however. In a meeting today we discussed what would be needed to start building a p...
by aeva
Fri Feb 07, 2014 1:11 pm
Forum: 3D Scanner Software
Topic: LulzBot 3D Scanner
Replies: 35
Views: 20916

Re: LulzBot 3D Scanner

By the way, the code that I've been using for the demos above, as well as future demonstrations can now be found on our github repository: https://github.com/alephobjects/scanopticon-tools
by aeva
Fri Jan 31, 2014 12:12 pm
Forum: 3D Scanner Software
Topic: LulzBot 3D Scanner
Replies: 35
Views: 20916

Re: LulzBot 3D Scanner

Well, reflective and translucent objcets are the bane of most 3D scanners as far as I'm aware. If you know of such a spray, do share :) that is like the holy grail.
by aeva
Fri Jan 31, 2014 11:29 am
Forum: 3D Scanner Software
Topic: LulzBot 3D Scanner
Replies: 35
Views: 20916

Re: LulzBot 3D Scanner

Out of curiosity this mornining, without tuning the settings, I ran photographic samples through the demo script instead of virtual scans to see what would happen: scan.jpg bg.jpg diff.png mask.png Note that there is distortion below the object because the table's surface is kind of glossy. The scan...
by aeva
Thu Jan 30, 2014 7:55 pm
Forum: 3D Scanner Software
Topic: LulzBot 3D Scanner
Replies: 35
Views: 20916

Re: LulzBot 3D Scanner

Here it is again, without changing any of the settings, from the upper camera: scan.jpg bg.jpg mask.png Also, the threshold and noise settings are hard coded - if the object being scanned doesn't effect this too much, we might be able to get away with just having these values hard coded for whatever...
by aeva
Thu Jan 30, 2014 7:49 pm
Forum: 3D Scanner Software
Topic: LulzBot 3D Scanner
Replies: 35
Views: 20916

Re: LulzBot 3D Scanner

Out of curiosity, I ran a test to see what would happen when the source data was really dirty. In Blender, I added ambient occulusion to the render, and via the node editor, a different noise map is mixed for the scan and bg so theortically none of the pixels are perfectly identical in each image, d...
by aeva
Thu Jan 30, 2014 12:30 am
Forum: 3D Scanner Software
Topic: LulzBot 3D Scanner
Replies: 35
Views: 20916

Re: LulzBot 3D Scanner

Step 2, B: "in reality opencv might be useful here" Could you please explain what that means? What is opencv and how will it be implemented? Thanks As gannon said, OpenCV is a library that implements a ton of handy computer vision stuff. There is a nice python wrapper for it and tutorials here http...
by aeva
Thu Jan 23, 2014 9:33 pm
Forum: 3D Scanner Software
Topic: LulzBot 3D Scanner
Replies: 35
Views: 20916

Re: LulzBot 3D Scanner

I put together a basic simulation of a laser line scanner, using Blender. I've uploaded a rendering of the scan data to youtube . A python script will be able to control the simulated scanner. For example, picking which camera to pull data from, and activating / deactivating light sources. The fake ...
by aeva
Thu Jan 23, 2014 11:53 am
Forum: 3D Scanner Software
Topic: LulzBot 3D Scanner
Replies: 35
Views: 20916

Re: LulzBot 3D Scanner

Will this project have a repository in the devel.lulzbot site? I would be interested in building one if the cost of prototyping isn't too prohibitive. Yes. The software that will be developed for this will be available on github as I'm developing it. The hardware will be on dev.lulzbot like all of ...