Re: [Gimp-user] Fix photo with uneven exposure

[Ofnuts <ofnuts laposte net>]

On 07/20/2013 03:57 AM, billlee wrote:
> I hurriedly photographed the text in a greeting card and have uneven lighting
> and underexposure that I'd like to correct. Please see attachment, in which I've
> increased the brightness and contrast and then desaturated. This helps but it
> needs lots more!

It woud be easier for us to have the orjginal...

> I've looked at tutorials on gradient contrast masks but I get lost part way
> through. Either I'm too much of a newbie to understand (highly probable) or
> maybe the tutorials are for older versions of GIMP. (I'm on 2.8.6 for Windows.)
>
> I am very grateful for any advice anyone would care to offer!!!

Many techniques I have seen stat by duplicating the image then applying 
a very wide gaussian blur to it, then playing with layers mode between 
the to images: for instance, the blurred layer on top, in "divide" mode, 
makes the paper uniformly white.