Sometimes sharpening a whole image can solve one problem but create another, in this video tutorial we'll look at building an edge mask and using it to sharpen a selected area.
Photoshop Video Tutorial - Sharpening with an Edge Mask
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6 May 2007 - 00:47
camera, edge mask, find edges filter, focus, free, gaussian blur filter, guide to sharpening, invert, maximum filter, median filter, Photographic, photoshop cs2, sharpen, video tutorial
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Aha!
I may have conerted to 16 bit, will check. I get into the habit of doing something and forget the repercussions. Many thanks for your prompt reply.
Little Bit of Difference
Hopefully that's solved it then. Let me know if you're still having issues?
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Matt
3photoshop.com
The solution at last!
When I Ctrl-clicked the Edge Mask layer in the Channels pallette to load the layer as a selection I didn't notice that it had made that layer active; i.e. rather than applying the Unsharp Mask to the RGB composite, I was applying it to the Edge Mask! That's why the options were inactive. I solved the problem by using the Select/Load Selection menu option rather than Ctrl-clicking and everything worked fine. I suppose I could Ctrl-click and then reselect the composite layer but it seemed more straight forward to use the menu.
This may be because I'm using CS4. There are so many differences to previous versions and not all of them for the better.
I've been right through the tutorial now about three or four times. If you know anyone who needs an edge mask making let me know!
Thanks again.
Layer Vs Mask
Thanks chawil, sounds like you're an edge mask master now!
Thanks for getting back to us with the solution!
Regards
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Matt
3photoshop.com
Problems
When I tried to follow this tutorial I encountered the following problems.
First in constructing the Edge Mask I had to reduce the number of pixels selected from 15 to 5 to achieve anything like the results shown on the video. This may be due to a difference in resolution in the downloaded image.
Second when I tried to apply the Fade Unsharp Mask command the four choices at the bottom of the menu, including Luminosity, were grayed out, i.e. unavailable. Most of the other choices were active so I didn't accidentally disable the command by performing another action in between.
Other than that everything went as specified. If you could reply to this and let me know what the possible problem is with the Fade Unsharp Mask command I would be grateful. It could simply be Wilson's Law in operation ("If anything can go wrong, it will go wrong, but only for Wilson").
I'm using CS4 on an XP PC.
Edge Mask
Yes I think the reason you may have needed smaller values is the results of me downsampling the image before making it available for download. It was a few years ago and I was probably trying to save server space and bandwidth costs.
As far as the Hue, Saturation, Colour and Luminosity blend modes being missing from the fade dialogue box, I'm having problems reproducing it inside my version of Photoshop. When I follow along, I see them as available and ready to be selected. Can you just confirm that you're still working 8 bits per channel and inside the RGB colour space? I'll gladly give it another try to see if I can see the same issues on my screen.
I'm using Vista and CS4
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Matt
3photoshop.com