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Help with this high pass filter portrait

This is a discussion on Help with this high pass filter portrait within the Post Processing Central forums, part of the Photography Information category; I followed a step by step tutorial on using the HIGH PASS FILTER from a recent issue of Photo Pro. ...

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Help with this high pass filter portrait - 05-25-2009, 08:19 PM




I followed a step by step tutorial on using the HIGH PASS FILTER from a recent issue of Photo Pro. I sort of like the results, but don't know how to get the red out of the shadows around the neck and other areas. I tried the same thing on an outdoor shot and I got green fringing.

Any thoughts? Thanks.

Allen added 708 Minutes and 54 Seconds later...Double Post Merged Below

Btw, here's a link to the tutorial: http://www.digitalphotopro.com/softw...ss-filter.html

Last edited by Allen; 05-26-2009 at 08:07 AM.. Reason: Automerged Doublepost
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Help with this high pass filter portrait - 05-26-2009, 09:05 AM


I don't know what setting you used in the high pass filter, but it appears that it was fairly high. That usually creates a contrast effect. I am no expert but I have played around with the high pass filter and for sharpening, I usually don't go much higher than a setting of three. High amount of the high pass filter have the potential to shift the hue & saturation levels.

Google "High Pass Filter" and you will find a number of article on the high pass filter for sharpening. Several years ago, I found a tutorial where the high pass filter, with high setting was used for increasing contrast. This tutorial used the "Blend IF" controls on the layer to withhold the effect of the settings from the shadows and highlight thus only increasing the contrast in the midrange.

Donb10 added 8 Minutes and 52 Seconds later...Double Post Merged Below

I don't know what setting you used in the high pass filter, but it appears that it was fairly high. That usually creates a contrast effect. I am no expert but I have played around with the high pass filter and for sharpening, I usually don't go much higher than a setting of three. High amount of the high pass filter have the potential to shift the hue & saturation levels.

Google "High Pass Filter" and you will find a number of article on the high pass filter for sharpening. Several years ago, I found a tutorial where the high pass filter, with high setting was used for increasing contrast. This tutorial used the "Blend IF" controls on the layer to withhold the effect of the settings from the shadows and highlight thus only increasing the contrast in the midrange.

http://www.phototechmag.com/tips/07sept.html

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Last edited by Donb10; 05-26-2009 at 09:14 AM.. Reason: Automerged Doublepost
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05-26-2009, 04:07 PM


Don,

If you get a chance check out a link to the tutorial article I posted and maybe that'll help answer some of the questions about how I did it. Thanks for your help.
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Help with this high pass filter portrait - 05-26-2009, 05:04 PM


OK, I misunderstood your intent with the High Pass filter. I don't use it for sharpening much any more. But I used the link I sent you to create an action that does a fair job of contrast that is easy to adjust. I use it alot to add contrast to images converted to black and white.

Good luck with all your Photoshop endeavors in the future.......

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