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Laser Scanning and 3D Reconstruction.

Posted: Sun Apr 14, 2024 10:39 am
by Andresilva0409
Hello everybody!

I'm Andre, I'm a master's student in my final year and I'm working on my final project, my project consists of collecting 3D images with a laser in different positions and then we have to reconstruct the images.
For example:
We scan a palm in different positions and then have the task of recreating a hand, which would be joining all the dots.

I tried several software until I found cloudcompare. And I wanted help on how I can do this with cloudcompare.

I have no experience with this type of subject, any help would be welcome.

Re: Laser Scanning and 3D Reconstruction.

Posted: Thu Apr 18, 2024 1:35 pm
by daniel
Do you mean that you want to register different scans with a small overlap? If yes, then you should look at the ICP tool (https://www.cloudcompare.org/doc/wiki/index.php/ICP). Pay attention to the 'overlap' parameter.

Else, you'll have to share some pictures to help us understand.

Re: Laser Scanning and 3D Reconstruction.

Posted: Tue Apr 23, 2024 8:50 pm
by Andresilva0409
Good morning Daniel, thank you in advance for your response.

Daniel, I'm going to share the images I got from a test I did, they have a front, side and back view and what I wanted was to learn how to fill in the back, instead of it being the way it is.

Re: Laser Scanning and 3D Reconstruction.

Posted: Sat Apr 27, 2024 5:14 am
by daniel
Well, it's hard to see (don't hesitate to activate the EDL shader ;), but assuming you have some overlapping surfaces, you can indeed use the Edit > Translate/Rotate tool to roughly align the scans, and then use the ICP tool (see https://www.cloudcompare.org/doc/wiki/i ... gistration)