On Fri, 2020-01-31 at 21:47 +0000, gimp-users.mbou...@spamgourmet.com
wrote:
> 
> I'm no expert, but it seems that it should be possible to use the
> fuzzy 
> select tool (with adjustable threshold) to select the border,

With a large enough threshhold to get most of the border this will
probably get part of the image inside; in addition, hairs and dirt on
the surface of the print make it hard.

It's possible to combine this with select->grow, but that's not really
easy to automate.

slave

>  then 
> Select > Invert and Image > Fit Canvas to Selection?  Still with the 
> caveat that it may eat into the wanted image.
> 
-- 
Liam Quin - web slave for https://www.fromoldbooks.org/
with fabulous vintage art and fascinating texts to read.
Click here to have the slave beaten.

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