Effects > Blur > Gaussian Blur
Gaussian Blur
The Gaussian Blur filter allows you to soften the look of an image. Gaussian refers to the bell-shaped curve that is generated when the program applies a weighted average to the pixels. The Gaussian Blur filter adds low-frequency detail and can produce a hazy effect.
1. Do one of the following:
 Choose Effects > Blur > Gaussian Blur
 
Click the Gaussian Blur button
2. Use the following options:
  Radius (px)
Determines the number of pixels surrounding the pixel that affect the blurring. The greater the value, the more obvious the blurring.

Min = 5, Max = 500, Default = 8.
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Related Information
Tools > Retouch > Blur Tool
Effects > Blur
Effects > Blur > Edge Preserving Smooth
Effects > Blur > Motion Blur
Effects > Blur > Radial Blur
Effects > Blur > Spin Blur
Effects > Blur > Zoom Blur
Adjust > Gaussian Blur
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