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<== Date ==> <== Thread ==>

Subject: Re: Frame grabber
From: Wesley Moore <wmoore@jlab.org>
To: "Pearson, MR \(Matthew\)" <matthew.pearson@diamond.ac.uk>
Cc: Emmanuel Mayssat <emmanuel_mayssat@lynceantech.com>, EPICS Tech-Talk <tech-talk@aps.anl.gov>, anandk@scripps.edu
Date: Tue, 10 Apr 2007 14:35:12 -0400
Emmanuel,
Using a Scion Framegrabber I developed some what of a hybrid. The framegrabber runs on linux, with of course a linux driver, but it is "controlled" by EPICS. Basically a C app monitors pvs that tell it to grab a frame. The beam profile data is then written to pvs for the operator to view through a MEDM screen and the images can be viewed with any application.


Wesley

Pearson, MR (Matthew) wrote:
Hi,

We've been using, as well as the Flea cameras, the AVT (Allied Vision
Tech) Oscar Firewire cameras, which are high resolution and have colour
versions. We've only run this in Windows though, using the CMU driver.
Would be interesting to see if this works in Linux with Coriander...


We've also tested the JAI TMC-1405 Gigabit Ethernet camera, which is a
1.4Mpixel colour camera with an ethernet connection (no encoding or
compression though) - this isn't as sensitive as the Flea cameras. This
doesn't have a web server, and needs windows software to view the video.
There are software projects out there which can capture IP video, but
not sure what Linux support exists.

Axis now produce a high resolution network camera (the 223M). This might
be a good solution for diagnostics. But it's probably not as sensitive,
or have the same bandwidth, as cameras such as the Fleas or AVTs etc.
Probably not suitable for low light diagnostics. But this is like all
the other Axis cameras, with built in web server, compression, encoding,
etc.

Cheers,
Matthew Diamond Light Source


-----Original Message-----
From: Emmanuel Mayssat [mailto:emmanuel_mayssat@lynceantech.com] Sent: 05 April 2007 19:05
To: EPICS Tech-Talk
Cc: anandk@scripps.edu
Subject: Frame grabber


Hello,

I am using EPICS on a linux IOC.
I am interested in doing some video acquisition.
I was wondering if anybody has already developed a video epics driver.
If so, what is the hardware/software combination you recommend?
I am looking at all possible solutions, i.e. snapshot mode or 30Hz+ real
time acquisition.


Alternatively, I may be interested in all in-one-device (camera for
acquisition + web server and Ethernet connection device)

At this point anything goes ;-)

--
Emmanuel




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email;internet:wmoore@jlab.org
title:Computer Scientist
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References:
Frame grabber Emmanuel Mayssat
RE: Frame grabber Pearson, MR (Matthew)

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