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Full Version: Noise removal..what do you suggest?
OpenSourcePhoto > Digital Photography > Computer Programs
davidgreene_ca
Hi All,

Wohooooo...have some great underexposed shots from a week ago...........got to love all this cold white fluffy stuff for throwing off the meter....ie..the attached photo below of my assistant smiling but thinking to her self" why did I ever leave Mexico...........for this"....lol

So I do need to use some noise removal software for some of them....I have heard of noise ninja..but what are some other options you might suggest....thanks in advance..smile.gif
davidgreene_ca
woops
davidjay
She's cute! I think a lot of those software programs are simply softening areas of the picture and if you're just needing it for a few pics you could probably do it yourself and save some cash. Do you need it for other stuff too?
Chris Humphreys

I've always been curious how a noise reducing software works. It seems to me if the file is already corrupted with noise, there's no way to get that back....kinda like blown highlights. Maybe I don't understand the technology (which is VERY possible).....
davidjay
Noise isn't all that bad - it's kinda like grain and it's just something that we have to deal with and everyone will have their own standards as to what's acceptable and what's not - but there definitely are ways to make it less noticable if you want to. Let's see what the master has to say... smile.gif Tim?
gcoates
For detailed information on all the noise reduction programs, check out this review.
Bumatay
Personally, I've had great results from Noiseware. Here is a previous thread...
http://davidjay.net/forum/index.php?act=ST&f=7&t=402

The PS plugin is great.
Tim Halberg
lol... DJ summons and answer from me.. I guess I'm required to reply.

Noise can be gotten rid of on your own. And if you really truly take your time at it, you can probably do it better than the software.

If memory serves me correctly, a large majority of noise takes place in the red channel. A slight guassian blur can be applied to this channel, and or channel mixing can be done to reduce noise. At one moment, it is very simple to do, while in the next, to do it really well, it is extremely complicated. You can also desaturate part of a channel to reduce how vivid the noise shows through.

Spending enough time on an image you can make it entirely disappear, just depends if you have enough time.

I would say that if you have more than a few files, some of these software programs/plugins/scripts will be much more efficient use of your time.
davidgreene_ca
thanks yall.....going to give Noiseware pro plugin for Photoshop a try....thanks for all the feedback
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