digital noise

MM
Posted By
Michael McCarthy
Mar 5, 2006
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202
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3
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Closed
What is noise in digital images? What causes it? How do I eliminate it from my images without deteriorating the quality of the original images? Thanks in advance,
Michael
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digital noise

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Mike Hyndman
Mar 5, 2006
"Michael McCarthy" <un_papillon|@ca.inter.net> wrote in message
What is noise in digital images? What causes it? How do I eliminate it from my images without deteriorating the quality of the original images? Thanks in advance,

Michael
Noise in digital photos consists of any undesirable flecks of random color in a portion of an image that should consist of smooth color. It is somewhat similar to the "snowy" appearance of a bad TV signal. Digital images shot in low light or with a high ISO setting often exhibit this undesirable noise. In a way, noise is the digital equivalent of film grain. You can minimise it in digital photography by setting a low/medium ISO setting. Two removal methods at;
http://fotofects.com/articles/351/1/Reducing-Noise
http://www.planetphotoshop.com/tutorials/PeteBauer117.html

MH
FY
Feng Yang
Mar 28, 2006
Check out
http://www.topazlabs.com/topazvivacity.html

It is one of the best image noise reduction plugin I have tried.

"Michael McCarthy" <un_papillon|@ca.inter.net> wrote in message
What is noise in digital images? What causes it? How do I eliminate it from my images without deteriorating the quality of the original images? Thanks in advance,
Michael

O
osoite2005
Mar 28, 2006
From here You can find information about noise in digital pictures:

http://www.cambridgeincolour.com/tutorials/noise2.htm

and from this site You can find information about noise reduction tools:

http://www.michaelalmond.com/Articles/noise.htm

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