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derekraines
01-07-2006, 06:18 PM
(Admin code added by Palmer - 64922624G1491561R)

Project Overview:
Create a process for fixing lighting problems in images.

Detail:
View the problem image at http://www.immersive-imaging.com/testroom.jpg

Develop a simple process in Photoshop consisting of as few steps as possible to correct the lighting conditions at the top and bottom of the image. This image was created using a series of shots around the room that have been stitched together. Because of the way the shots are taken, some images come out lighter/darker than others. The ceiling and floor shots are usually most noticeable.

The first person to submit the most feasible solution will be the winner. The ceiling and floor should be blended to match the lighting on the rest of the image.

If your solution requires extra plugins, or the use of RAW format or higher resolution originals, please let me know.

Fabian
01-07-2006, 07:54 PM
Hi

Did you mean something like this ?

Cheers
Fabian

derekraines
01-07-2006, 08:02 PM
Fabian,

I do not want to be able to notice any difference in shading between ceiling, center section, and floor.

Mark
01-07-2006, 08:16 PM
how's this?

derekraines
01-07-2006, 09:02 PM
Folks, please post the process used to achieve the results, that is really what is going to be awarded. Make sure to not use the blur tool because some ceilings will have things like fans, and floors may have tile or other features that blur would ruin.

derekraines
01-07-2006, 09:03 PM
Mark,

If you didn't use blur, then I think you probably found the right solution. What is the process? If it can be replicated on any image, then you will be the winner.

Mark
01-07-2006, 09:31 PM
I just used the rubber stamp tool and a bit of smudge to blend.

derekraines
01-07-2006, 09:38 PM
Mark, unfortunately that isn't going to work. If the ceiling or floor had any detail, then they'd be ruined. I'm looking for something maybe a way to do like a gradient-contrast change to a specific area?

djaka
01-07-2006, 09:42 PM
I'll try something
:)

Mark
01-07-2006, 09:47 PM
Mark, unfortunately that isn't going to work. If the ceiling or floor had any detail, then they'd be ruined. I'm looking for something maybe a way to do like a gradient-contrast change to a specific area?

Sorry, that's way beyond my photoshop capabilities. :(
Hopefully the others can achieve a better solution for you. :)

djaka
01-07-2006, 10:14 PM
hi,
this is my submission,
there is some unavoided border created by the mask that I made.
I 'll clean the border in my next post, using stamp tools.
any comments are welcomed

thanks
:)

djaka
01-07-2006, 10:53 PM
:D
if this is the make over you need,
then I'll submit the full sized image.

djaka
01-07-2006, 11:01 PM
the process is to create a mask following the stitched images size, then feather the mask to about 14 pixels and apply the hue/saturation tools or curve tools (use as needed).
First is to use that on the upper of the image, then bottom of image, then the middle of images.
There are 6 part in the middle (right?).
use the same process to achieve the right balance between stitched part of image.

other tips for photo taking is in using the manual aperture, speed and iso. So the photo will have same lighting setting. and when we stitch the photos, you will not have this kind of difficulty.
The back side is that maybe some part will be under lighting and some part will be over exposure.

Hope this helps. :)

aD
01-08-2006, 06:41 AM
I hope this is close to what you are looking for:

http://orkacomputers.com/anton/do/testroom1.jpg

The proccess wasn't very complicated. First I balanced the brightness of the whole image using levels, because it was a little underexposed, then I started removing the not so significant vertical differences between the six stitched images by selecting them using the marquee tool, applying feather of 18 pixels to each one of them and after that I used levels and hue/saturation to correct the color and brightness differences.

Then I selected the upper and the bottom part of the image where the differences was most noticeable. I selected them, applied feather of 18 pixels, made two new layers of them and corrected the color and brightness balance of each on of them to match the rest of the floor and the ceiling. Then I applied the quick masks and removed the overlapping areas, merged the layers. To remove the still visible border between the areas I used the patch tool manually, which balances the color and brightness differences and leaves the detail intact.

The whole image was sharpen a little and that is it. The whole thing took about 15 minutes.

The avoid that in the future you could follow previous designer's advise and use manual settings of the camera when shooting the scene.

imot
01-09-2006, 06:26 AM
Hi derekraines,

Here is my entry

http://www.undercv.com.ar/design2/testroom/testroom.jpg

derekraines
01-09-2006, 09:57 AM
Imot,

Please post detailed instructions on the method you used. If we can replicate it on multiple photos easily then it might be accepted.

imot
01-09-2006, 11:34 AM
Imot,

Please post detailed instructions on the method you used. If we can replicate it on multiple photos easily then it might be accepted.


Hi derekraines

Iīve use the curve to balance the general image look and then a little edit with the brush corrector ((J) in photoshop cs). That all... The whole thing took about 15 minutes.. Itīs easy, but there is no way to do this job in an "automatic method"

djaka
01-10-2006, 11:20 PM
Hi derekraines,
if the parts of stitches images is consistently in the same size then we can make some action or templates in photoshop for the mask, but to correct the different contrast in photoshop, I think we still need human touch. :)

derekraines
01-16-2006, 10:11 AM
The winner for this will be aD. Please send me your contact information by email. I have questions regarding your Photoshop process.

aD
01-26-2006, 02:50 AM
Hi, derekraines

I have sent an email to you. Could you please, provide some more information about what exactly do you want to know about the design proccess. I have provided detailed information in my previous posts.

aD
02-09-2006, 10:25 AM
A link to download your files has been sent to you by private message. Please go to the following link to find the message http://www.designoutpost.com/forums/private.php?

After you click the link in my message choose "Save" to save the files to your computer, locate the files you just saved to your computer and then double click the .zip file to extract all the files to your computer. Please contact me if you have any problems.

Thank you