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From: Mark Jones <mark.jones@mathworks.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Image Acquisition - preview "dark window"
Date: Thu, 31 Jan 2008 09:30:07 -0500
Organization: The MathWorks, Inc.
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N N wrote:
> Hi,
> 
> I have matlab R2007a with image acquisition toolbox. I 
> recently have connected a scientific camera (pixelink, 
> PLA641)to my Win XP laptop. Two other cameras that I've 
> tried are working fine.
> 
> Issue is.........although matlab recognises the camera as 
> a "winvideo" device, when I 'preview/start video input' 
> the screen appears "DARK". When I preview through the 
> vendor's software, I have no problems. 
> Comments/suggestions are much appreciated.
> 
> NB: I do have two observations
> 1. In matlab, the camera's supported video format seems 
> slightly different (more!) than what is provided by vendor 
> (1280x1024 versus 1288 x 1032, respectively).
> 2. Occasionally (~1% of time) I do see a still picture in 
> the preview window(highly inconsistent though).
> 
> Than Q!

Hi,

This camera is a IEEE 1394 FireWire camera, have you tried using the CMU 
DCAM driver with it?

You might have better results with it:

http://www.mathworks.com/products/imaq/supportedio13864.html

You can find the correct driver version in: 
matlab\toolbox\imaq\imaqextern\drivers\win32

Mark