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Removing Grainyness

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Old 12-18-2006, 01:39 PM
Yumx2 Yumx2 is offline
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Removing Grainyness

Im trying to see if there is away to clear up the quality of this picture some.. remove the grain looking look .. I dont know the correct
but help from personal techiniques would be appreacite..

link to an image ..above
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Old 12-18-2006, 02:43 PM
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T Paul T Paul is offline
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Re: Removing Grainyness

The grain look you are referring to is called "noise". There are plug-ins that do this such as Neat Image, Noiseware, Noise Ninja and Photoshop CS2 has a noise removal filter as well.

Neat Image has a free version for non-commerical use. Download Page

Noiseware also has a free version for non-commerical use. Download Page

CS2 Noise Removal Tut

You can also try removing the noise by switching to LAB mode and bluring the A and B channels. Here is a tut.

Hope this helps!
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Old 12-18-2006, 04:17 PM
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superkoax superkoax is offline
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Re: Removing Grainyness

I know I saw a noise reduction tutorial on the net months ago using some actionsin LAB mode...but I don't remeber where...the greyness is colour noise due toi high value of ISO,,,The tutorial made a nice result, not 100%, but nice...

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Old 12-18-2006, 04:43 PM
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mistermonday mistermonday is offline
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Re: Removing Graininess

The "grain" is actually severe color noise. One run through with the noise filter Noiseware smooth it out but as you can see from attachment 1, there is a lot of residual yellow. I took the image into LAB and reduced the yellow resulting in at6tachment 2.
Regards, Murray
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File Type: jpg YUMX2 MM Noiseware.jpg (67.9 KB, 32 views)
File Type: jpg YUMX2 MM Color Adj.jpg (71.4 KB, 66 views)
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Old 12-18-2006, 04:50 PM
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Daviskw Daviskw is offline
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Re: Removing Grainyness

Hi there

As Paul says a good noise reduction program can help some.

I ran this example thru imagenomic software

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File Type: jpg 388505091.jpg (99.2 KB, 55 views)
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Old 12-18-2006, 06:38 PM
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philbach philbach is offline
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Re: Removing Grainyness

I first copied the layer using screen blending mode and then used Neat Image.

Still with residual grain but I suspect more aggressive blurring would dull the image somewhat.
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File Type: jpg NeatImage.jpg (74.0 KB, 40 views)
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