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Photo Retouching "Improving" photos, post-production, correction, etc.

what frequencies are?

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  #21  
Old 11-23-2009, 10:44 PM
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TommyO TommyO is offline
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Re: what frequencies are?

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Originally Posted by Godmother View Post
Cool, just don't say something technical can't be part of an artistic process
Wouldn't hear that from me... I come from a primarily technical background.

Whereas, one member of my family is very artistic, yet really shy's away from the technical. Her photographic and painting skills are excellent without it. As many of us in my/her generation that span that time from non-digital to digital, there were times when things such as spatial/frequency separation were done by feel, not by the numbers. And today, trying to get her to do it by the numbers is not practical. Yet, I prefer to always be learning and blending technology with the arts.... which is why I said what I did about your philosophy.... I like it....
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  #22  
Old 11-24-2009, 12:06 AM
MariusX MariusX is offline
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Re: what frequencies are?

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Originally Posted by Godmother View Post
Very long explanatory thread in Model Mayhem
http://www.modelmayhem.com/po.php?thread_id=439098

Debate and some easier explanation here
http://www.modelmayhem.com/po.php?thread_id=527633
These threads are fascinating, Thanks Godmother!
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  #23  
Old 11-24-2009, 03:04 PM
Isedo Isedo is offline
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Re: what frequencies are?

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Originally Posted by gene_spark View Post
@ Isedo
but i think that this topik is too technikal for me. I´m looking at a Picture and then i changed what distracts me. In Beauty retouching i think oh, these Pores are to heavy so i damped ist with D/B and thats all. Im not thinking in frequencies im not in signalprocessing with Mathematica or Math-Lab, i do retouching with Photoshop.
I agree with you, i thought that knowing all this math stuff is important but as you, i work with photoshop for years and never used math...I have the same workflow as yoursbut i think knowing these think can improve our method

Thanks for replies
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  #24  
Old 11-24-2009, 03:08 PM
Isedo Isedo is offline
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Re: what frequencies are?

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Originally Posted by Godmother View Post
Funny I also retouch with photoshop.

I disagree with you. In my first class I teach the importance of looking and understanding a picture, mentally separating the elements of the image.

That thread was very valuable to me once I shuck the prejudice and read it because I stooped used the split all together because it was not accurate (When I used the regular high pass) and Sean actually thought me something! Now my workflow is faster and better.

x
Sorry can u say which class u did and who is Sean u are refering to please?
Thanks
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  #25  
Old 11-24-2009, 03:11 PM
Isedo Isedo is offline
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Re: what frequencies are?

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Originally Posted by Jerryb View Post

I am not sure how much help my post is ... probably there some misunderstanding on my part but that how i understand... bottom line i end up.. just experimenting a lot...lol.. to get the result i want....
Thanks for your kind answer, I'm going to read the link.
Thanks to all now is more clear for me what frequencies are...we use them all the time, I just never called them in this way.
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  #26  
Old 11-24-2009, 03:15 PM
Isedo Isedo is offline
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Re: what frequencies are?

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Originally Posted by mistermonday View Post
... Spatial frequencies in digital images are related to textural characteristics of an image. ...
Many thanks Murray and ShadowLight for your time, great explanation. Now is really all cristal clear!

Martin
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