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Old October 29th, 2007, 03:58 PM
Bart_van_der_Wolf Bart_van_der_Wolf is offline
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Join Date: Jun 2006
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Originally Posted by John Sheehy View Post
After a lot of experimentation with post-capture binning, I have come to the conclusion that it really doesn't decrease noise at all, *image*-wise. It only decreases the noise if you display it at the same pixel magnification as the original. The binned image is just as noisy, and clearly less detailed, at the same size.
I don't get the point you are trying to make. What do you mean with "*image*-wise"? In practice a 2x2 averaging binning reduces the standard deviation of random noise by a factor of Sqrt(4)=2, and it shows visually, so I assume you are referring to something else.

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