The Case for Post Image Capture
Processing
While I would dearly love to have all
the images taken directly off my camera's memory card to be
immediately viewable for public consumption, I find more often than
not, that the images do not initially live up to my expectation.
Recently I came back from a photo shoot and sat down in front of the
computer to view what I had captured. I was sure I had some good
images as I had taken my tripod and bracketed many of my shots. I
had set my camera's white balance for “Cloudy” as it was a
gloomy, cloudy late afternoon (well into the pre-dusk time period).
Well, I was quite dissapointed when I saw the result. It seems that our eyes and the human mind have a great capability to compensate for
ambient colour temperature and areas of darkness/shadow in the
subject scene. Not so for the camera – it records things
pretty much as they are and not as you may have perceived the subject
matter. The shot below was taken with my Nikon D5100 on a tripod using a long exposure – 1 sec. f/8.0 at ISO 400. I was saving both raw and jpg files. The shot below
is the jpg that came out of the camera. The raw file was even more
dull and lifeless.
Well, I decided to give the raw image a
little uplift in order to reproduce what I was trying to capture when
I originally took the photo. I used my trusted GIMP image editor along with
its UFRaw plugin for handling raw image files. It didn't take much.
I altered the white balance, utilized the shadow recovery plugin (to
bring out some colour under the eaves), used an unsharp mask to
sharpen the bricks and cropped a small bit from the right hand side
to achieve the symmetry I wanted for the shot. The result is as
follows:
This is precisely the image that I was
trying to originally capture. GIMP to the rescue!
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