| Effects > Blur > Edge Preserving Smooth |
 | Edge Preserving Smooth |
| The Edge Preserving Smooth filter allows you to smoothen the image without the loss of edge detail. This filter is useful for creating special effects and for removing noise or graininess. |
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| 1. | Do one of the following: |
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 | | Choose Effects > Blur > Edge Preserving Smooth |
| | | Click the Edge Preserving Smooth button | | |
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| 2. | Use the following options: |
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 | | Radius (px) |
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Determines the number of pixels surrounding the pixel that affect the blurring. The greater the value, the more obvious the blurring.
Min = 5, Max = 200, Default = 20.
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| | Threshold |
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This option allows you to control how much the tonal values of neighboring pixels must diverge from the center pixel value before being part of the blur. Pixels with tonal value differences less than the Threshold value are excluded from the blur.
Min = 0, Max = 100, Default = 20.
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| Using Preview Windows | | Favorites and History | |
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