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Chapter 7. Working with Adjustment Layer... > Using the Smart Sharpen Filter

Using the Smart Sharpen Filter

The Smart Sharpen filter () attempts to sharpen the pixels of an out-of-focus image in much the same way as Unsharp Mask. The major difference is the ability of Smart Sharpen to remove previously applied Gaussian, Lens, and Motion Blur filters. For example, you've applied a Lens blur to an image, but later decide to reduce the effect. The problem is that Unsharp Mask will attempt to sharpen what it assumes to be an out-of-focus image. Unfortunately, an image taken with an out-of-focus lens, and a Gaussian blur are two different things, and that's where the Smart Sharpen filter comes to the rescue.


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