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A few questions about the calibration
https://forum.ipisoft.com/viewtopic.php?f=2&t=3453		 Page 1 of 1
Author:  s.app [ Mon Jul 12, 2010 11:52 am ]
Post subject:  A few questions about the calibration
Hello,

I have some questions about the calibration.
I use 3 Sony PS3 Eye cameras.

#1 at the height of 2,35m, #2 at 2:41m and #3 at 2,20m in a half circle
The distance between #1 and #2 is 2,86.

For the calibration I use a small light.
All points of the calibration are green and the ground points look very good.

But if I look at the Calibration-Tab the values after scaling the cameras are
#1 :2,35
#2 :2,30
#3 :1,83
And the distance between #1 and #2 is 2,57.

Are these good values?

To setup the cameras I use only the ORBIT at the Scene-Tab.
The FOV is 75°
Do I have to use the other ones, too ?

Thanks for your help.

Stephan
Author:  andrew [ Tue Jul 13, 2010 2:19 am ]
Post subject:  Re: A few questions about the calibration
Stephan,

it looks like that there is some problems with ground plane. Try to scale based on the distance between the cameras, but not at the height of the first one. Then track some motion and investigate are there problems with feet.

If possible, could you send video? (nondisclosure is guaranteed)
Author:  s.app [ Wed Jul 14, 2010 6:09 am ]
Post subject:  Re: A few questions about the calibration
Hello Andrew,

How can I make the files available? And what files are you needed?
Where can I upload these?

Best regards

Stephan
Author:  Earlack [ Wed Jul 14, 2010 6:20 am ]
Post subject:  Re: A few questions about the calibration
Quote:
Where can I upload these?


There are tons of file hosting services. Megaupload is one of them, free and pretty fast to download once it's there.
Author:  s.app [ Wed Jul 21, 2010 6:34 am ]
Post subject:  Re: A few questions about the calibration
Hi,
thanks for the information.

Is there a utility to compress my AVI-Files?
My files are very big.
If I try to convert the AVI-File into wmv, mpg or another format, either the compression is very bad or IPI DMC cannot work with the file.

Thanks

Stephan
Author:  Michael Nikonov [ Wed Jul 21, 2010 8:01 am ]
Post subject:  Re: A few questions about the calibration
s.app wrote:
If I try to convert the AVI-File into wmv, mpg or another format, either the compression is very bad or IPI DMC cannot work with the file.


You can compress the video with any method. Don't worry if compressed video does not work in iPi Studio. We will convert it to uncompressed AVI on our side. But please try to preserve the original frame rate if possible.
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