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Anyone Have Advice For Reducing Noise?  
User currently offlineUnitedJumboJet From United States of America, joined Jun 2008, 77 posts, RR: 0
Posted (5 years 9 months 1 week 9 hours ago) and read 3742 times:

I've had pretty much all my pics rejected for noise, so I need some advice on reducing it. I use a cheap Sony Cybershot DSC-W80 7.1MP P&S(totally inadequate, but I still try) and always shoot at ISO 100(no manual settings, which kinda sucks).

This is probably the least grainy aviation pic I've taken to date(though there is slight vignetting):
http://www.flickr.com/photos/10037058@N08/3283282102/sizes/l/

Unfortunately most of the shots turn out to be fairly noisy and turn out to be more along the lines of this. Usually it's the sky that's most noticeably noisy
http://www.flickr.com/photos/1003705.../sizes/l/in/set-72157604026332374/

Anyone have any useful advice for reducing grain? Unfortunately I can't afford a DSLR right now, though I hope to get a D40 someday.

7 replies: All unread, jump to last
 
User currently offlineDazbo5 From United Kingdom, joined Mar 2005, 2927 posts, RR: 2
Reply 1, posted (5 years 9 months 1 week 9 hours ago) and read 3731 times:

Apart from using the lowest possilble ISO setting of your camera, you've pretty much stuck with having to deal with noise. It's one of the problems with compact cameras. There are various pieces of software you can use to reduce noice such as Neat Image, but you need to use it liberally as it'll soften and produce an over-processed look to images if you're not careful. You can use noise reduction in your photo processing software, I've been impressed with what Photoshop 7 does in it's basic form.

Darren



Equipment: 2x Canon EOS 50D; Sigma 10-20 EX DC HSM, 50-500 EX APO DG, Canon 24-105 f/4 L, Speedlite 430EX
User currently offlineConoramoia From Ireland, joined Oct 2007, 499 posts, RR: 2
Reply 2, posted (5 years 9 months 1 week 8 hours ago) and read 3709 times:

neatimage does exactly what you need theres a free download here>>>

http://www.neatimage.com/download.html

check it out and if you're confused just leave me an e-mail on caamoia@hotmail.com,



conor


User currently offlineNZ107 From New Zealand, joined Jul 2005, 6451 posts, RR: 38
Reply 3, posted (5 years 9 months 1 week 5 hours ago) and read 3674 times:



Quoting Conoramoia (Reply 2):

Great, thanks for that link! It's really helpful for all kinds of pictures!

One question - can it be used in Photoshop and how do you use it in Photoshop?



It's all about the destination AND the journey.
User currently offlineDazbo5 From United Kingdom, joined Mar 2005, 2927 posts, RR: 2
Reply 4, posted (5 years 9 months 1 week 5 hours ago) and read 3668 times:



Quoting NZ107 (Reply 3):
One question - can it be used in Photoshop and how do you use it in Photoshop?

It depends on what version of Photoshop you are using. On more recent versions, it can be used as a plug-in.

Darren



Equipment: 2x Canon EOS 50D; Sigma 10-20 EX DC HSM, 50-500 EX APO DG, Canon 24-105 f/4 L, Speedlite 430EX
User currently offlineStil From Spain, joined Apr 2006, 345 posts, RR: 6
Reply 5, posted (5 years 9 months 6 days 18 hours ago) and read 3630 times:

Hi.

As Darren said, noise is one of the problems you'll find with most of compact cameras. To have such meganumber of pixels on a small surface as your sensor is produces noise due interference.
I have used Neat Image before, but it seems too agressive to me and now I only use it on unsalvageable pictures.
I bought Noise Ninja a year ago and now I'm quite happy with it. And you can use it as a PS plugin.

On the other hand, you should crop your pictures on a better way while editing, as the two you show us needs a better crop. The 340 needs to be centered and, if you can, show the whole of the left wing. The 757 need some centering as well.

StilAnd you can use it



....... Gueropppa! ......
User currently offlineUnitedJumboJet From United States of America, joined Jun 2008, 77 posts, RR: 0
Reply 6, posted (5 years 9 months 6 days 13 hours ago) and read 3589 times:

I didn't crop the 340, I couldn't fit it into the whole frame while taking it. As for the 757 it is a bit correctable IMO but it's on the soft side.

User currently offlineRonS From United States of America, joined Feb 2009, 762 posts, RR: 22
Reply 7, posted (5 years 9 months 6 days 11 hours ago) and read 3565 times:

Forgive my ignorance. I'm interesting in learning more about noise reduction also. On Photoshop (I'm using CS3) let's say you have a sky scene and it is a little noisy. I've been selecting the sky only using the magic wand, and then clicking on the Noise>Reduce Noise, using a strength level of 6 or 7 and leaving all the other settings alone, i.e. what standard. Does this actually even do anything? My monitor stinks so I can't really tell, but is this a way to reduce noise? thanks


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