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DPChallenge Forums >> Tips, Tricks, and Q&A >> HDR help
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Showing posts 1 - 6 of 6, (reverse)
AuthorThread
 09/19/2007 10:09:04 PM · #1
hey people
I'm trying to learn how to make a hdr photo i have saved a jpg image with 3 different exposures -2 0 +2

using photoshop I go to automate merge to hdr
but I'm getting an error " Not enough dynamic range in these photos to construct a useful hdr image "

can someone explain why this is happening ?
 09/19/2007 10:20:45 PM · #2
Is it the same picture saved at 3 different exposures? If so, PS thinks it's the same and will not do it. If you strip the EXIF it should work.
 09/20/2007 07:31:27 AM · #3
how do you strip the exif data ?
 09/20/2007 07:33:57 AM · #4
open picture in PS, select all, copy, make new image, paste - and you have a new image without EXIF data.

Message edited by author 2007-09-20 07:34:06.
 09/24/2007 10:16:15 AM · #5
I am new to HDR pictures does someone no of a good step by step guide online and can you tell me is Ps cs3 the only software i need for this. Any help and advice on this subject greatfully received

Lee
 01/15/2008 10:46:36 PM · #6
From a previous post of mine when I shared the sources I found for information regarding HDR when researching it. Enjoy ... it is a whole new world.

For HDR conversion use the Local Adaptation method then open the Toning Curve and Histogram chart and drag the curve down to touch the leftmost point of the histogram. That is your starting point ... It should already look like a pretty decent image ... now put more points on the curve and play further with it ... ;)

The Equalize Histogram Method can sometimes give very quick and easy decent results with one click depending on the image.

Here are some further research resources for you all ...

//range.wordpress.com/2006/07/15/modern-hdr-photography-a-how-to-or-saturday-morning-relaxation/

//www.cambridgeincolour.com/tutorials/high-dynamic-range.htm

//www.popphoto.com/howto/3038/how-to-create-high-dynamic-range-images.html

//www.adidap.com/2006/11/25/photoshop-tutorial-hdr/

//www.naturescapes.net/072006/rh0706_1.htm

//stuckincustoms.com/?p=548

//www.luminous-landscape.com/tutorials/hdr.shtml

//dpchallenge.com/forum.php?action=read&FORUM_THREAD_ID=466859
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