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  #11  
Old 08-23-2004, 10:13 PM
byRo's Avatar
byRo byRo is offline
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Location: Goianésia, Brazil
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Un-blur mask

There´s so much texture in this image that the trade-off in Neat Image between noise and sharpness gets a bit heavy.
So I tried to get rid of some texture before sending it off to Neat Image.
I used a blurring process which is the exact opposite of the Un-Sharp Mask, which in a stroke of creative genius I named the "Un-Blur Mask" - just hope someboby has done this before and given it a better name.
Here are my steps:
- Grayscale -
1) Make a good grayscale copy [gray1], in the 30-225 range: gradient map / curves;
- Un-Blur Mask -
2) Copy the grayscale layer [gray2]: ctrl-J;
3) Sharpen [gray2]: USM 100%/0.5/0;
4) Invert [gray2]: ctrl-I;
5) Adjust opacity of [gray2] until dimples disappear;
(everything´s pretty gray now)
6) Make a Levels adjustment layer to put back into the 15-240 range;
7) Do fine adjustment on the opacity of [gray2]; click on opacity, adjust with arrows;
(no dimples now, just noise)
- Neat Image -
8) Take out noise with Neat Image - Don´t overdo it;
- Cleaning and Sharpening Grayscale -
9) Take out ´artifacts´ left over after Neat Image: Dust & Scratches/r2;
10) General Sharpening: using High-pass (radius 3);
11) General Sharpening again using High-Pass (backed off opacity a bit);
12) Improve contrast: USM 15%/100/0;
13) Final Sharpening: USM 100%/1/0;
- Color -
14) Set blend to Luminosity and mix back with the original image.
...from here on standard retouching, which I didn´t do because it´s way past bedtime!

OK, so maybe I complicated things a bit?
Attached Images
File Type: jpg Torn-Picture-byRo.jpg (98.9 KB, 36 views)

Last edited by byRo; 08-23-2004 at 10:19 PM. Reason: where´s the picture?
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  #12  
Old 08-24-2004, 09:15 AM
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Duv Duv is offline
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Location: Nanaimo, British Columbia
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Awesome job! I've tried to follow your steps but lose it after your "Everything looks pretty grey" comment. In levels all I have is a small spike. Changing the values to 15 and 240 do little to change the greyness. Also, am I still suppose to be in inverse mode?

Cheers
Dave
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  #13  
Old 08-24-2004, 03:41 PM
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byRo byRo is offline
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Quote:
Originally Posted by Duv
Changing the values to 15 and 240 do little to change the greyness. Also, am I still suppose to be in inverse mode?
Sorry, should have been a bit clearer.....
When I said "...put it back into the 15 to 240 range" I meant: slide the black and white triangles near to the middle spike, with <alt> pressed to get only a few clipped pixels, and on the scale bar below put minimum at 15 and maximum at 240.

Another neat trick is to put the opacity of the sharpened and inverted layer at 50%. That way you take out the image and leave only the texture. Then you can take the 'texture', invert it and blend back into the original (gray or colored) to take out the dimples. - Thought this would be better, but it wasn't. Not this time anyway.

Have fun,

Roland
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