I have several photos that have noise or grain on them, what's the difference?
Anyway, I was wanting to know what causes this to appear on a picture? Also, what are some general methods of removing it?
These picture are not from a digital camera, therefore, Photoshop's Despeckle Filter has no effect on it.

Anyway, I was wanting to know what causes this to appear on a picture? Also, what are some general methods of removing it?
These picture are not from a digital camera, therefore, Photoshop's Despeckle Filter has no effect on it.
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