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Fixing Photographs

Jul 5, 2014, 11:34
Post: #1
Fixing Photographs
I recently employed the services of a photographer for some product photographs, which I have now received. I am however a little disappointed with the results, I was expecting a perfect white background from the photographs, that was the whole point to begin with after all.. maybe I was expecting to much, the fact is I could have done what he did myself and have in the past.

Can anyone assist me in some steps for fixing the attached photograph as I have a lot to sort.

   
   
https://www.dropbox.com/s/xm5rktzdm4w3rei/_DSC0829.JPG

Thank you so much in advance for your advice and assistance

Stu
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Jul 5, 2014, 12:23 (This post was last modified: Jul 5, 2014 12:25 by rich2005.)
Post: #2
RE: Fixing Photographs
The images I downloaded were quite small .9 MB for the size of image so I assume you have better ones somewhere.

I would try 2 simple stages, you have to be careful or you wreck the shadows or the plastic tray or the container colours.

1. Use Color menu -> auto -> white balance.

2. Use color menu -> Curves and pull the curve up a little.

[Image: LinORNt.jpg]

Interesting product name Smile

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Jul 5, 2014, 12:37
Post: #3
RE: Fixing Photographs
Wow that has got me a great deal nearer and in just a couple of steps, thanks. However after the first step is leaves a kind of cyan background/overlay and not white. If I raise the curve up to make it white is washes out the image.. Is there a way I can deal with that?
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Jul 5, 2014, 12:46 (This post was last modified: Jul 5, 2014 12:55 by rich2005.)
Post: #4
RE: Fixing Photographs
Did not see that here, but it is easy to wreck the image.

You could try this script, might do it in one step.

http://registry.gimp.org/node/72

put the .scm file in your gimp profile C:\Users\your-id\.gimp-2.8\scripts.

Restart Gimp and it should appear in Filters -> Colors -> whitebalance

Colour pick the gray as your foreground color, background remains white, run the script.

edit:
A quick test gives this. Looks ok here just using the default settings. Color picked the gray 2/3 down the image.
[Image: 6N8gNj5.jpg]

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Jul 5, 2014, 12:59
Post: #5
RE: Fixing Photographs
Nope that didn't work it just stayed grey. Do you think adding a couple of nodes on the curve is the way forward, or is that the wrong approach to the problem?
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Jul 5, 2014, 13:05
Post: #6
RE: Fixing Photographs
https://www.dropbox.com/s/xm5rktzdm4w3rei/_DSC0829.JPG this is a full size image I am working with.
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Jul 5, 2014, 13:18 (This post was last modified: Jul 5, 2014 13:26 by rich2005.)
Post: #7
RE: Fixing Photographs
(Jul 5, 2014 13:05)wired-circuit Wrote:  https://www.dropbox.com/s/xm5rktzdm4w3rei/_DSC0829.JPG this is a full size image I am working with.

Ofnuts solution will give a better result, depends how picky you are. These going on a web page / ebay ?

That second drop box image same as the first, I only queried it because my camera, is similar frame size 4000x3000-ish and the images run to about 2.5 MB not .9 MB

Seems to be ok though.

Using the script for a one-stop fix - make sure the setting is 'convert foreground to background' or you get grey.

edit: better result running the script twice, color picked the grey first time, then the slightly off-white for the second run.
Not changing the attachement. Wink

image attached.


Attached File(s) Thumbnail(s)
   

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Jul 5, 2014, 13:48
Post: #8
RE: Fixing Photographs
Hmm, cutting them out does not seem like a good option to me. I have done it though and it looks alright, not as rounded as I would like it to be... maybe I'll outsource the cleaning to a Graphic Designer. I'd rather not.

I'm more annoyed that I could have taken these images, I was getting the same grey backgrounds from my own photography. Despite buying lights and all sorts of gadgets. I was thinking of buying this kit along with a macro lense (http://www.ebay.co.uk/itm/Photo-Studio-B...36281895).

Back on subject... here are the results I got from the last piece of advice. Time consuming though.

http://www.faceand.co.uk/muk-hard-styling-mud-mini.html
http://www.ebay.co.uk/itm/Hard-MUK-Mini-...27e6a8dbf3
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Jul 5, 2014, 20:59
Post: #9
RE: Fixing Photographs
(Jul 5, 2014 20:01)ofnuts Wrote:  The path method gives much better results. The principle is of course to use as few control points as possible so that the lines are just the smooth lines naturally produced by adjusting the tangents. I used 14 control points:



You don't need to spend a lot on lighting. What you need is a tripod, a good camera (that means at least an entry-level DSLR and a decent lens) , and the skill to use it (because there is some skill involved...). Your photographer did a rather good job and produced very sharp pictures(*). Not the ones you asked perhaps, but maybe because he misunderstood you. You are not going to get this kind of results easily by yourself.

You can also get a lighting tent. To produce a white background, some of the lighting is directed to the background so that it is overexposed and is pure white.

(*) which is why the boxes are easy to cut out. With a compact camera you would get a pixel soup and it would be a lot more difficult to cut out the subject properly. Likewise if, when using a better camera, you don't pay attention to focus and have parts of the images that are blurry.

OKay then, I am missing something, 14 control points... I had about 100 mouse clicks at least. So I am doing something wrong. The problem of course is, if you dont know the question..... and I don't.

I think I am going to order this http://www.ebay.co.uk/itm/Pro-Photo-Stud...1c362410c2
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Jul 5, 2014, 21:16
Post: #10
RE: Fixing Photographs
For a cleaner selection, after making the path/selection. Try growing or shrinking the selection.

Edit > Select > Grow 2 to 5 px more

or

Edit > Select > Shrink...
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