I've been avoiding dealing with noise reduction software until recently- I figured that when publishers needed to, they would post-process my unaltered original pics however they needed anyway. Quite honestly, I like taking pics more than I like tweaking them, so my regimen for getting shots ready for the web has been pretty simple- crop, re-size, adjust contrast if needed, sharpen some if needed, and save it for the web. Doing that takes me under a minute per shot, so I can get though batches fairly quickly. Some shots get a little electronic fill-flash, some night shots get red-eye treatment, but mainly that's it. Recently, though, I read a post at The Nemisis Bird about a noise-reduction plug-in that works with Photoshop- it sounded simple so I thought I'd give it a whirl. The software is called NoiseWare, and when you download it and install it ($50 for the standard version) you will find it as an option to apply under the filters menu in Photoshop. (It works with any version- I use Photoshop Elements because it comes bundled with the Leica C-Lux 2.) I've had great luck just using the default setting or the "stronger noise" setting, but it is full of adjustment sliders for this and that (technical, huh?) if you want to fool around with customizing your settings.
Here's an example, using a Great Horned Owl that landed on a rooftop behind my house at dusk a few evenings ago. The owl seemed content to hang around some, so I got my digiscoping rig on it and fired away. These types of shots are prone to more noise because I used a high ISO (800) and a long exposure (1/8 second) with+.3 exposure compensation, and bumped up the levels in Photoshop later to get the image looking "right". After that, the image looked like this:
Not bad, but when you click the picture to enlarge it you will see the noise that I'm talking about. Newer cameras sensors are much less prone to noise at high ISOs than they used to be, but you'll see it, especially in dark, clear areas like the sky or in dark foliage. Even when I was using cameras with much more noisy sensors I'd bump up the ISO when I needed to get a faster shutter speed, because I'd rather have a sharp shot with noise than a soft one that was more "quiet."
So now, I go to the filter menu in Photoshop and pick "Noiseware Standard" from the options:
Then it opens this window. I usually just push OK, letting it apply default settings. Or, you can run down the options that are pre-configured (like "Stronger noise"), or you can create your own recipe from the host of adjustable variables:After that, I work the pic per usual (crop, size, adjust contrast, & sharpen), save it for the web (quality 70), and I'm done:
Toggle back to the un-noise-reduced version to compare the two- a pleasing difference, I think!
Now, I'm guessing that it is best to do the noise-reduction filter at first, working on the high-res side. However, it really cleans up older pics I have, too, even though I've done everything else including saving them for the web first. I could go back to the originals, but to have time for that I'm going to need a clone...
Here's an example of that. This Boreal Owl was photographed at really high ISO (1600) since I just had the built-in flash of my first DSLR body, a Nikon D100. The first shot is what you'll find on my web page, and the second is with the post-post-production step of applying the "stronger noise" filter:
If you've been using this filter and have some tips on getting the most out of it I'd love to hear from you- leave a comment!
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