Adobe Photoshop CC 2014 v.14.xx - Manual (Page 510)

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Note:
Luminance
Luminance Detail
Luminance Contrast
Color
Color Detail
Adjusting the Color and Color Detail sliders reduces chroma noise while preserving color detail (lower right).
If the Luminance Detail, Luminance Contrast, and Color Detail sliders are dimmed, click the Update To Current Process (2012) button in
the lower-right corner of the image.
Reduces luminance noise.
Controls the luminance noise threshold. Useful for noisy photos. Higher values preserve more detail but can produce noisier
results. Lower values produce cleaner results but also remove some detail.
Controls the luminance contrast. Useful for noisy photos. Higher values preserve contrast but can produce noisy blotches or
mottling. Lower values produce smoother results but can also have less contrast.
Reduces color noise.
Controls the color noise threshold. Higher values protect thin, detailed color edges but can result in color specking. Lower values
remove color speckles but can result in color bleeding.
For video tutorials about reducing noise in Camera Raw, see:
Better noise reduction in Photoshop® CS5 by Matt Kloskowski
Lens correction and noise reduction with Adobe® Camera Raw by Russell Brown
Photoshop CS5 - Camera Raw 6.0 by Justin Seeley
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