[Gimp-user] Adding threshold to guillotine?

[rich404 <forums gimpusers com>]

> Hello gimp friends,
>
>
> While I am not new to Gimp (I think I first downloaded it in 2002 or
> something?!), I am new to not doing things like an idiot.
>
> I am scanning card art for a board game I am making, and I simply
> want to eliminate noise from the guillotine tool's output. There is a
> popular scan separator that doesn't quite do what I want, you have to
> go in and cut out all the negative space to make it true white.
>
> I use guides for correcting crooked scans and eliminating space. I
> know there must be a simple Guillotine with Threshold or eliminate
> size /= X sort  of script out there somewhere, I just can't seem to
> find it. Right now, guillotine creates dozens of tiny images of no
> value and then 9 images I want.
>
> Could someone point me in the right direction? You are welcome to tell
> me that I am doing this wrong as well and that there are better
> solutions. I like learning! :)
>
> I greatly appreciate your help.

Guessing you tried divide-scanned-images script. Best I got was 4 cards.

You might be able to do it using the Gimp g'mic plugin - the extract object
filter.

Draw in lines rather than set guides. 

A 2 minute demo https://youtu.be/fQ6zTxDOmaA 

A bit of care and I think you could get a decent result.  

-- 
rich404 (via www.gimpusers.com/forums)