Re: How to avoid purple speckles with ColQc?

On Mon, 28 Apr 1997, Hanno Mueller wrote:

> as mentioned before, I am just starting to work with
> the colour-quickcam. Can anyone explain me what the
> reason for these purples speckles are and how to
> avoid them?
>         See: http://www.kabel.de/~hmueller/image.jpeg
> Thanks,
> Hanno

  This kind of speckles is caused by white level misadjustment. They
are _not_ the same as "christmas lights" that are visible at large
exposure time on non-cooled CCD.

  Increase white level nad decrease exposure.


Follow-Ups: References: