[GEM-dev] USB 3.0 camera and Gem

[Jack]

Le 02/04/2012 09:48, Antoine Villeret a écrit :
> hi,
>
> i got 60 fps in 640x480 / grayscale which is the default image 
> configuration and the more bandwith expensive for this camera
>
>
> ++
> a
>
>
>
>
>
> -- 
> do it yourself
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>
>
> Le 1 avril 2012 15:42, Jack <jack at rybn.org <mailto:jack at rybn.org>> a 
> écrit :
>
>     Le 01/04/2012 14:18, Antoine Villeret a écrit :
>>     hi jack,
>>
>>     i'm using a firewire 400 over RJ45 extender (from AVT) on a tour
>>     with an AVT Guppy
>>     it's work fine with 50m cable, it should work at least until 100m
>>     but i never tried
>>     it's not possible to use switch to increase the distance with
>>     this kind of extender
>>
>>     you can use certain switches with GigE but it increases latency
>>     i  think
>>
>>     another solution for very long distance (more than 100m) is the
>>     optical fiber
>>     you can find some firewire over optical fiber extender
>>
>>     Basler made a technical report on industrial cameras interface here :
>>     http://www.i2s-vision.fr/upload/BAS1108_Interfaces.pdf
>>
>>     hope this helps
>>
>>     ++
>>     a.
>>     -- 
>>     do it yourself
>>     http://antoine.villeret.free.fr
>>     http://drii.ensad.fr
>>     --
>>     Google lit ce mail...
>>     si vous refusez cela, utilisez l'adresse antoine.villeret [at]
>>     free.fr <http://free.fr> pour me contacter
>>
>>
>>
>>     Le 1 avril 2012 13:56, Jack <jack at rybn.org
>>     <mailto:jack at rybn.org>> a écrit :
>>
>>         Le 01/04/2012 02:22, Max a écrit :
>>
>>             Am 01.04.2012 um 01:53 schrieb Jack:
>>
>>                 PS : does anybody tried an other solution (like GigE
>>                 or USB<->Ethernet<->USB) with Gem when you need long
>>                 distance between camera and computer ? Is it very
>>                 stable ?
>>
>>             I could offer vnc access to a os x or ubuntu machine
>>             hooked up to either a Allied Vision Tech GigE or Firewire
>>             800 camera.
>>
>>             m.
>>
>>
>>         Hello Max,
>>
>>         Did you ever tried that solution ?
>>         Is it appropriate to detect very small movement and is it
>>         enough fast to be used in real time (not to much latency ?) ?
>>         ++
>>
>>         Jack
>>
>>
>>
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>>
>>
>
>     Hello Antoine,
>
>     Thanx to share your configuration and the Basler technical report,
>     it is a useful document.
>     What is the resolution the framerate you get on your computer from
>     your camera with that configuration ?
>     ++
>
>     Jack
>
>
>

OK. I would prefer a camera with 640x480 pixels at 120 fps minimum to be 
more precise in the detection of very small movements.
++

Jack


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