Dear DAVID Community,

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Another scheme of scanning...

Questions, problems, comments and tips regarding the 3d scanning process.

Another scheme of scanning...

Postby neoarey » Wed Dec 15, 2010 12:48 pm

Forgive, if such theme has already been created. I from Russia, therefore to me am heavy to be guided here. I will be short.

Prompt please, whether it is possible to make scanning in such scheme (without background)? ... re=related

And still... At the expense of what it is possible to raise quality of scanning?

My data:
1) web-cam, 2mpx (glass optics)
2) red linienlaser fokussierbar, 5mW
3) stepper motor

P.S. Thanks for the fine program!!!
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Postby hal » Thu Dec 16, 2010 11:47 am

Hello and welcome neoarey,

no, sorry, David don't work in that way. You can't rotate and scan in the same time. David need a still object.
The only thing that must be moved (translated or rotated) is the laser emitter.

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Re: Another scheme of scanning...

Postby neoarey » Thu Dec 16, 2010 8:41 pm

Thanks for the answer!
And what you can tell concerning the second question? :?:
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Re: Another scheme of scanning...

Postby eliscio » Fri Dec 31, 2010 3:45 am

You have many, many factors that improve the quality.

Most important ones are the calibration panels for the background and ensuring that they are perfectly 90 degrees to one another. My second choice would be a good quality webcam and my third choice would be a good laser line. I have used both red and green lasers and a good red laser will still give you a excellent results.

Using a stepper motor can give you a better quality scan, but if your calibration panels are off and you have a poor quality camera, then it really won't make a difference.
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