Re: [Gimp-user] Rescuing old color negatives

[Guy Stalnaker <jimmyg521 gmail com>]

Kevin,

Thanks for this link!

Guy

On 4/19/21 2:08 PM, Kevin Cozens wrote:
> On 2021-04-19 7:24 a.m., William wrote:
> > I tried the invert function and it is not doing what I want to do.
> >
> > I want to rescue old color negative 35mm film strips by inverting 
> > them to a color positive that I can print on a color laser printer.
> >
> > The negatives have an orange cast which inverts to monochrome blue.
> Restoring old negatives involves more than just a colour inversion. 
> The colour balance is likely to be off. I have 400 colour slides to 
> scan and restore that date back to the last 60s to mid-70's. I know 
> the colour balance is off as the red has faded over time. I don't yet 
> know about any changes in brightness and contrast.
>
> One other (non-GIMP) approach to fixing slides that you may be able to 
> adapt to negatives by adding a colour inversion step can be found at:
>   http://www.lionhouse.plus.com/
>
> I haven't tried it yet but I'm thinking about it. It was mentioned in 
> this mailing list some time ago.
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