Operation Manual

Working with the Noise Reduction Controls
You use the Noise Reduction adjustment controls when you need to reduce digital noise
in an image. Digital noise is often caused by shooting at high ISO settings in low-light
conditions. When you reduce noise in an image, you often have to sharpen the image to
prevent blurry edges or loss of detail. For more information about sharpening an image,
see Working with the Edge Sharpen Controls.
Before Noise Reduction adjustment After Noise Reduction adjustment
To reduce digital noise in an image
1 Select an image.
2 If the Noise Reduction controls are not shown in the Adjustments inspector or the
Adjustments pane of the Inspector HUD, choose Noise Reduction from the Adjustments
pop-up menu (or press Control-N).
3 Reduce digital noise in the image by doing one of the following:
• By default, the Radius slider is set to the left side of the slider control. Drag the Radius
slider to the right to decrease digital noise in the image, or drag the slider back to the
left to reduce the effect of the noise reduction.
• Click the left or right arrow in the Radius value slider to adjust noise in the image by 5
percent increments, or drag in the value field.
The left arrow increases noise in the image, and the right arrow decreases it.
527Chapter 17 Making Image Adjustments