Help required removing graduated colour cast

[fishbio]

Hi Retouching gurus

The church ceiling in the attached photo was obviously lit by 2 light sources of different colour, causing a blue cast at one end of the picture. I'd really appreciate it if someone could help me with a method to get a white background overall. I have Photoshop CS2 but I'm a new user. I can deal with straightening it on my own!

Many thanks,

Larry

Subscribe to see EXIF info for this image (if available)

 

[Gale]

Larry was there alot of red and gold

I fiddled with it , but think I am off on those colors not sure..

Peano where are you :>))
Chicken lady calling:>)))

 

[jeremyInMT]

I don't have a calibrated system here at work, but this is a prime example for the removal of color cast via Lab mode in Photoshop.

 

[Gale]

Well I got it out with lab also but still not sure what the colors of red and gold should be

 

[Iliah]

Make a curve adjustment layer, and use a gradient as a mask

 

[RFCGRAPHICS]

Here is another way to retouch this image. It basically involved selective: color desaturation, burn/dodge of shadow-mid-highlights, color replacement via painting, sharpening,

Original

Subscribe to see EXIF info for this image (if available)

Retouch

Subscribe to see EXIF info for this image (if available)

Subscribe to see EXIF info for this image (if available)

open hue/sat menu and select blue in drop down menu. Next click eyedropper on blue cast shown with the asterisk

Subscribe to see EXIF info for this image (if available)

desaturate the blue background rendering it a monotone grey

Subscribe to see EXIF info for this image (if available)

next select your dodge tool and choose highlights

Subscribe to see EXIF info for this image (if available)

Do a dodging of the background area you want to lighten

Subscribe to see EXIF info for this image (if available)

use magic wand to select the monotone area you want to add color. Then use the select similar function in the select menu. Use eyedropper to select a gold tone from your image

Subscribe to see EXIF info for this image (if available)

Select a paintbrush with a 3 -7 opacity and paint over the monotone areas.


Then finish your retouch with selective burn dodge saturation sharpen.

Subscribe to see EXIF info for this image (if available)

Regards

RFC

 

[Gale]

Robert
That is the way i did it. But i think i have the colors sat to much
Thanks for the tut

 

[RFCGRAPHICS]

Robert
That is the way i did it. But i think i have the colors sat to much
Thanks for the tut

Hi Gale,

To be totally honest....when I post process...I just wing it


Regards

RFC

 

[fishbio]

Many thanks to Gale, Jeremy, Iliah and Robert for replying.

Robert, I'm amazed at the detail you took the time to provide. It's just what I need, given my level of experience with Photoshop.

I'll give it a go and let you know how it turns out.

Cheers,

Larry

 

[Gale]

Larry you never said how much red and yellow(gold) is in the actual
For my own curiosity to see how close I got. You were there not me:>)))

 

[fishbio]

Hi Gale

My monitor isn't calibrated so I don't really know how to answer. I think if you look at the gold and red in the area with the white background colour in the original I posted, you won't be too far off. I think the reds have probably faded from when they were applied about 300 years ago!

Cheers,

Larry

 

[Gale]

Awww thanks

Think Robert nailed it then