Go Back   Steve's Digicams Forums > Digital SLR and Interchangeable Lens Cameras > Pentax / Samsung dSLR, K Mount Mirrorless

Reply
 
Thread Tools Search this Thread
Old Oct 16, 2010, 1:02 PM   #1
Senior Member
 
Monza76's Avatar
 
Join Date: Jul 2004
Posts: 4,093
Default Local Contrast Enhancement

A very useful technique that I had almost forgotten. Check out http://www.luminous-landscape.com/tu...ancement.shtml this really works well to take a flat, low contrast image and turn it into an eye popper.
__________________
Ira
Riverview, NB, Canada
http://aicphotography.blogspot.com/
_______________________________
Current equipment
Pentax K5, K3:
FA 35mm f2, FA 50 f1.4, FA 28-70mm f4, FA 28-80mm f3.5-5.6, F 50mm f1.7, Tamron SP 70-200mm f2.8 Di, DA 10-17 f3.5-4.5, DA 14 f2.8, DA 16-45mm f4, DA 18-55mm f3.5-5.6 WR, DA 50-200mm f4-5.6 WR, AF-540FGZ

Olympus E-P2, E-P5, OM-D E-M1: 9mm to 150mm lenses

_______________________________
Monza76 is offline   Reply With Quote
Sponsored Links
Old Oct 16, 2010, 10:29 PM   #2
Senior Member
 
mtngal's Avatar
 
Join Date: Nov 2005
Location: Frazier Park, CA
Posts: 16,052
Default

I use this quite often - I do two sharpening passes, one for fine details and then a second one for contrast. The second one, with a large pixel number and a small percent, really makes a difference. Thanks for linking to luminous Landscape - I hadn't realized this process was there - I learned it right here on this forum when Ben posted his processing techniques.
mtngal is offline   Reply With Quote
Old Oct 18, 2010, 12:34 PM   #3
Senior Member
 
robar's Avatar
 
Join Date: Mar 2005
Location: D/FW area Texas
Posts: 7,590
Default

i've been using this forever..
i use A=10-20
R=50-70
T= 0
using 20,60,0 is where i started and it's usually the best but experiment.
using a hi-pass filter can do the same but it's a little harder to do..
__________________
Roy
Passion is in all great searches and is necessary to all creative endeavors. - W. Eugene Smith
http://picasaweb.google.com/roysphoto/?pli=1
robar is offline   Reply With Quote
Old Oct 18, 2010, 1:09 PM   #4
Senior Member
 
penolta's Avatar
 
Join Date: Apr 2007
Location: California USA
Posts: 5,206
Default

Thanks for the link - it also contains another link to a very useful primer on sharpening:

http://www.bythom.com/sharpening.htm

Roy- glad to see you are still with us - how are you doing?
__________________
.
.
If life brings you lemons, you can make lemonade.
penolta is offline   Reply With Quote
Old Oct 18, 2010, 5:24 PM   #5
Senior Member
 
Join Date: Aug 2006
Location: Western Canada
Posts: 3,076
Default

Thanks Ira for providing this link.

I've never been much good at getting photo shop type programs to work or even been able to transfer my pictures to websites.

But my major project this winter is to work away and learn how to use these different programs.

I intend to bookmark the program you provided...that could be # 1.

Les
lesmore49 is offline   Reply With Quote
 
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -5. The time now is 9:21 PM.