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View Full Version : How does the de-noise option work on DMK cameras??



Bill Christie
November 2, 2008, 05:17:05
I know what noise-reduction is and what dark frames are for.

I need to know how the noise-reduction option is implemented in DMK cameras.

Can someone tell me?

If the user selects 2-frames (in Capture Software) does the camera:

a) take two dark frames and then subtract the average from all other video frames; OR

OR

b) take two dark frames; one light frame; two dark frames; one light frame, etc....

???:confused:

Stefan Geissler
November 3, 2008, 14:03:03
Bill,

there is no noise reduction implemented in the camera. It is done in software. It is averaging of frames. Dark frames are not used.

Bill Christie
November 3, 2008, 22:54:11
Thankyou, Stefan for your quick response.

So, just want to get this straight, when I select Noise-Reduction:Average of 2 frames I am selecting average of two-light frames. Correct?

Pixel Value Average( 2, 4 ) = 3 ? is this the way it works?

Stefan Geissler
November 4, 2008, 09:16:50
Bill,

Yes, you are right.