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DAVID-Laserscanner Forum • View topic - Using an IP Camera for scanning
Dear DAVID Community,

As you are probably aware, the entire DAVID company, team and product range has been integrated into HP Inc.
This forum is now read-only. Relevant content has been migrated to HP and merged into HP's Support Forums on November 1, 2016.

To start new discussions for 3D Scanning, please register and post your new topic at the HP Support Forums

Using an IP Camera for scanning

The place for questions, problems, comments and tips regarding the camera calibration.

Using an IP Camera for scanning

Postby marting » Fri Jun 26, 2009 9:58 am

Hi to all.
I have recently learnt that IP cameras have a much higher image resolution than the average webcam. Is there someone how has tried to connect this to DAVID scanner? I'm not quite sure if this is possible since this type of camera is a network type and further more I don't know if one can get DAVID to select it over a network. Anyone's feedback is much welcomed.
Thanks
Marting
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Re: Using an IP Camera for scanning

Postby marting » Fri Jun 26, 2009 5:23 pm

Hi There......again.
I was thinking, if it isn't possible to refer DAVID laserscanner to an IP camera, maybe it would be made possible in hte near future. Maybe Simon or Sven could coment about this possibility? Would be very much appreciated.
Thanks
marting
 
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Re: Using an IP Camera for scanning

Postby RAYA » Fri Jun 26, 2009 7:40 pm

Hi

As I know IP camera has not more resolution than firewire (1394 port) camera and nor data transfer rate .

RAYA
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Re: Using an IP Camera for scanning

Postby marting » Sat Jun 27, 2009 8:02 am

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Re: Using an IP Camera for scanning

Postby Sven » Fri Jul 03, 2009 11:12 am

I think the special thing about these "IP" cameras is that they transfer their image data not by Firewire or USB, but Gigabit Ethernet.
USB: up to 480 MBit/s
Firewire IEEE1394: 400 MBit/s
Firewire IEEE1394b: 800 MBit/s
GigE: 1000 MBit/s
(if I remember correctly)

So you can get more FPS or a higher resolution or both with GigE.

DAVID makes no difference between these interfaces, as long as the camera driver supports WDM it should work.
However, we do not have any experience with GigE-Cameras yet.
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Re: Using an IP Camera for scanning

Postby RAYA » Fri Jul 03, 2009 1:30 pm

Hi

Firewire can handle up to 3200 mb/s.

FireWire S1600 and S3200
In December 2007, the 1394 Trade Association announced that products will be available before the end of 2008 using the S1600 and S3200 modes that, for the most part, had already been defined in 1394b and was further clarified in IEEE Std. 1394-2008[4]. The 1.6 Gbit/s and 3.2 Gbit/s devices use the same 9-circuit beta connectors as the existing FireWire 800 and will be fully compatible with existing S400 and S800 devices. It will compete with the forthcoming USB 3.0.[21].

http://en.wikipedia.org/wiki/IEEE_1394# ... 4c-2006.29

But ip camera can use up to 100 meter cheap cable ,which is in some cases very useful item.

As in PDF file is, all these camera can not use more than 55 Mbps data transfer rate,so it is better to compare
two of same resolution and same fps camera with different interface .(Gige and Firewire )



Ray
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Re: Using an IP Camera for scanning

Postby marting » Mon Jul 06, 2009 10:56 am

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Re: Using an IP Camera for scanning

Postby Sven » Tue Jul 07, 2009 8:53 am

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