On April 22, 2009 11:11:36 am Martin Peris Martorell wrote:
> El mar, 21-04-2009 a las 15:50 -0300, Alvin Beach escribió:
> > On April 21, 2009 03:15:27 pm Martin Peris Martorell wrote:
> > > Try to cover the lense of the camera (so you get a black image) and
> > > look if the "white noise" is still there. If you can see some "white"
> > > pixels in your image, then it is very likely to be a hot spot issue.
> > > Martin.
> > From your description/test above, I do not think what I am seeing are hot
> > spots. I covered the lens and effect went away.
> > I dusted off an older machine running openSUSE 10.2 that I know didn't
> > have this problem (when I last used it). It also showed the same issue.
> > So, I fear, it's the camera? I did use a different firewire cable.
> > I have attached an image of what I am seeing. Hopefully, it's not against
> > the ML rules. If so, I apologise. I received an message from the ML
> > system saying the 640x480 136KB image was too big. So I used gimp to
> > resize it to 320x240 46KB. Though I used cubic interpolation when
> > resizing, the effect is still visible.
> > Notice that the white mess on the wall and whiteboard should not be
> > there. I have opened the shutter on the lens to roughly the light level
> > that I want (and have been used in the past).
> > Also notice that the mess seems to be scanline related as the "white
> > noise" is horizontal and to one side. No matter how I orientate the
> > camera, the lines are always horizontal relative to the image (always
> > width-wise).
> > Basically, from the attached image, does this mean that the camera is
> > about dead?
> > Thanks for your help!
> > Alvin
> mmmm Ok it is not a "hot spots" problem. Maybe it is because the camera
> is near to its "dead" or maybe the camera CCD is overheating.
> Looking at the image you sent, the only advice I could give you is to
> try with another camera. Sorry I could not be more helpful :(
> Best regards,
Many thanks Martin and Damien. It's much appreciated. I suspect that camera is
about dead. Looks like I will be shopping around for another camera.