Join Tim Grey for an in-depth discussion in this video Noise reduction, part of Photoshop CS6 Raw Workshop.
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In the context of a digital photo, noise is random variations in tonal or color …values on a pixel by pixel basis. There are a variety of factors that …contribute to noise in a digital photo, but for the most part we can think of …increasing the ISO setting as being the largest culprit. …The higher that ISO setting, the more amplification that's being applied to the …signal and therefore we're going to end up with noise. …I'll go ahead and zoom into a 100% scale and then use the Hand tool to pan around …the image, and you can see quite clearly, that we have quite a bit of noise in this photo.…
I'll switch to the detail page, and here we can apply noise reduction. …By default, Adobe Camera Raw actually applies some level of color noise …reduction, and so it might not always be readily apparent that an image needs some work. …I've started with a value of zero here so that we can better see the noise in the …photo itself. I prefer to start with color noise reduction. …So I'll increase the value for color noise reduction, and then reduce the …
- Opening RAW captures
- Setting Camera Raw preferences
- Evaluating with Preview
- Resetting adjustments
- Processing multiple images
- Basic adjustments
- Image transformation
- Camera calibration
- Focused adjustments
Skill Level Beginner
1. Getting Started
Adobe Camera Raw overview1m 50s
Opening RAW captures1m 56s
Checking for updates1m 35s
Zooming and panning3m 1s
Histogram evaluation3m 44s
Evaluating with previews1m 46s
Resetting adjustments1m 33s
Workflow options4m 42s
Cancel, Save, Done, or Open5m 28s
Processing multiple images4m 37s
2. Basic Adjustments
3. Advanced Adjustments
4. Focused Adjustments
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