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Photography Question 
Robin Briggs
BetterPhoto Member Since: 12/25/2004

How to Remove Noise

Hi. I have a Nikon D70, which I love, but recently I took some indoor low-light pictures and had to pump up the ISO to 800, sometimes even higher. I am frankly surprised by the amount of noise produced (I don't think I went higher than ISO 1000), but now I'm looking for some way to correct this issue. I own Photoshop Elements and Paint Shop Pro 9, and neither one seems to have satisfactory noise-reducing tools. Can anyone out there recommend a 3rd-party filter or something that does a good job with high ISO noise? Thanks.

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6/19/2005 5:20:05 AM

Connie J. Bagot
BetterPhoto Member Since: 5/6/2005
  I think that Alien Skin's Image Doctor (JPEG Repair) is about the best for heavier noise. Grain Surgery 2 is fantastic for minor noise but can cause strange artifacts when trying to remove heavier noise. Neat Image is a free one (or at least it used to be - haven't checked recently) but again has to be used carefully or can leave artifacts of its own. Those are the ones that I am familiar with.

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6/19/2005 5:40:54 AM

Peggy J. Sells
BetterPhoto Member Since: 10/4/2004
  I have used Neat Image and it worked very well. They do have a free download but I ended up purchasing the full version because the free download only corrects .jpg files and I needed to correct .tif files. I had photographed an event and didn't notice my ISO was too high and the pictures were really grainy. The pictures turned out great after going through the neat image program.

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6/19/2005 9:37:27 AM

Sharon E. Lowe
BetterPhoto Member Since: 8/7/2002
  I have used several, including Alien Skin's Image Doctor and Neat Image but now swear by the plug-in version of Noise Ninja - it is a great program. I always apply it to a duplicate layer so that I can mask out areas where I didn't want it. It can also help to apply it more than once so you can get the really noisy parts of the image clean. CS2 supposedly has an improved noise filter but I have not tried it yet. Noise Ninja works on 16 bit images, which is great. Here is the URL:

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6/21/2005 4:59:49 AM

Kathy A. Norwood
BetterPhoto Member Since: 3/1/2005
  I also have a Nikon D70 and have been studying the manual abit more. It suggests you also turn on the NR (noise reduction) feature when bumping up your ISO sensitivity. This can be found under the shooting menu. This should help some of the noise produced but you still might have to use some other kind of repair.

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6/21/2005 7:31:10 AM

Svami Gurupremananda
BetterPhoto Member Since: 3/1/2004
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  In Photoshop CS2 there is a "Reduce Noise" filter. If you don't have CS2, then in any version of Photoshop: Select the Blue channel, and apply the Despeckle filter to it, if there is still noise then apply the Median filter.

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6/21/2005 12:03:53 PM

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