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<blockquote data-quote="Horoscope Fish" data-source="post: 694991" data-attributes="member: 13090"><p>I'll just pass along that I find it's a good idea to desaturate the layer before changing the Blend Mode when using the High Pass Filter to do a global sharpening. This additional step prevents noise from creeping into your final image which can happen when using the High Pass Filter but, again, this step is more important if you're using the High Pass Filter for <em>global</em> sharpening; if you're going to selectively sharpen as is shown in the video, you probably don't need to worry about the extra step. Still, it's super simple and a good thing to know, in my opinion.</p><p></p><p>To desaturate the layer press Ctrl+U (Cmd+U for Mac users) which opens the Hue/Saturation dialog box, after selecting the sharpening radius. Now move the Saturation slider all the way to left (-100) and click "OK". That's all there is to it.</p><p></p><p>Now adjust the Blend Mode to whatever you want. </p><p></p><p>Using the Opacity slider is another way to help tone down the sharpening if you've taken things too far.</p></blockquote><p></p>
[QUOTE="Horoscope Fish, post: 694991, member: 13090"] I'll just pass along that I find it's a good idea to desaturate the layer before changing the Blend Mode when using the High Pass Filter to do a global sharpening. This additional step prevents noise from creeping into your final image which can happen when using the High Pass Filter but, again, this step is more important if you're using the High Pass Filter for [I]global[/I] sharpening; if you're going to selectively sharpen as is shown in the video, you probably don't need to worry about the extra step. Still, it's super simple and a good thing to know, in my opinion. To desaturate the layer press Ctrl+U (Cmd+U for Mac users) which opens the Hue/Saturation dialog box, after selecting the sharpening radius. Now move the Saturation slider all the way to left (-100) and click "OK". That's all there is to it. Now adjust the Blend Mode to whatever you want. Using the Opacity slider is another way to help tone down the sharpening if you've taken things too far. [/QUOTE]
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