EWRvirgin
Topic Author
Posts: 348
Joined: Tue May 15, 2001 11:38 am

How Much (less) Cropping Should I Aim For?

Wed Feb 20, 2002 1:20 pm

Hi all,

Just like to know how much cropping and post-processing in general everyone does to their photos before submitting them in? How much is acceptable?

Thanks in advance.
 
tpk
Posts: 188
Joined: Fri Sep 29, 2000 4:48 am

RE: How Much (less) Cropping Should I Aim For?

Wed Feb 20, 2002 1:45 pm

Based on the photos you have in your post, I'd say you have the right idea.

I think a lot of the cropping is personal preference. I like to have anywhere from .5 to about 1 inch on either side for a 1024 X 768 pixel image. For the editing, I usually try the auto-adjustments (contrast and levels), followed by a Photoshop plug-in called Intellihance, and then edit it manually to get it just right.

Tim
 
ckw
Posts: 4586
Joined: Fri Aug 27, 2010 12:26 am

RE: How Much (less) Cropping Should I Aim For?

Wed Feb 20, 2002 5:57 pm

Based on the principle that all post processing manipulation is destructive (you can only take data away, never create new data) the perfect would require no post processing manipulation except sharpening. But seldom is a shot/scan that perfect!

The secret is to do as little as possible, and to develop a systematic workflow, so that you don't end up contradicting one adjustment with a subsequent adjustment.

I work as follows

1 - crop/rotate as necessary - cropping is more an artistic than technical adjustment - what looks right? Though clearly the more the subject fills the frame of the original, the higher the quality (less grain/noise).

I crop width to 1024, but let the height vary to suit the shot. Personally I don't see the point of including more ground/sky just to bring the pixel height up to 768 - I'm usually happier with a long thin image.

2 - remove any dust scratches using the clone tool

3 - adjust levels and curves to get the blacks/whites properly set and adjust the gamma. I now like to adjust colour using curves, but otherwise...

4 - adjust the colour balance using colour balance, or in PS, the "variations" option is very useful since it gives you a mosaic showing the effects of various changes. Note that if you correctly set the black and white points in step 3, colour correction should really only need to be applied to the midtones.

In steps 3 and 4, we're talking fairly minor adjustments - gross adjustments will often create an artificial look and/or poor transitions betewwn tones - if you find major adjustments are necessary, you might be better to rescan if possible.

5 - Sharpen using unsharpmask (or one of the variations on the theme available as plugins for PS)

Cheers,

Colin
Colin K. Work, Pixstel

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