Laser Scanning and 3D Reconstruction.

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Andresilva0409
Posts: 3
Joined: Sun Apr 14, 2024 10:30 am

Laser Scanning and 3D Reconstruction.

Post 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.
daniel
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Location: Grenoble, France
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Re: Laser Scanning and 3D Reconstruction.

Post 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.
Daniel, CloudCompare admin
Andresilva0409
Posts: 3
Joined: Sun Apr 14, 2024 10:30 am

Re: Laser Scanning and 3D Reconstruction.

Post 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.
Attachments
Posterior.png
Posterior.png (5.4 KiB) Viewed 3034 times
Frontal.png
Frontal.png (6.1 KiB) Viewed 3034 times
From The sides.png
From The sides.png (6.27 KiB) Viewed 3034 times
daniel
Site Admin
Posts: 7674
Joined: Wed Oct 13, 2010 7:34 am
Location: Grenoble, France
Contact:

Re: Laser Scanning and 3D Reconstruction.

Post 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)
Daniel, CloudCompare admin
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