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colourising b/w photos with AI
Posted: Tue Jul 21, 2026 12:50 pm
by ge_rik
I've been playing around with getting ChatGPT to colourise some Southwold Railway photos.
Eg
- swatwenhaston-1.jpg (455.75 KiB) Viewed 59 times
- file_00000000ab2481f4a33d85101da737a5.png (2.7 MiB) Viewed 59 times
Rik
Re: colourising b/w photos with AI
Posted: Tue Jul 21, 2026 12:52 pm
by ge_rik
I had to tell it that the loco should be GER blue
- file_0000000033f481f4a54193b5ba8d4eb6.png (2.72 MiB) Viewed 57 times
And then tell it to remove the GER lettering
- file_000000006b1881f4a51cdb3c13cff450.png (2.66 MiB) Viewed 57 times
Interesting it's also removed the caption from the original postcard
Rik
Re: colourising b/w photos with AI
Posted: Tue Jul 21, 2026 1:29 pm
by ge_rik
- file_000000005f4082469e63f7a9c3dd233e.png (2.7 MiB) Viewed 50 times
I wanted to change the colour of the loco in the shed but I've now exceeded my daily limit for the freebie processing
Rik
Re: colourising b/w photos with AI
Posted: Tue Jul 21, 2026 4:15 pm
by philipy
Looks good Rik. I did some playing with colourising back when I built the Chingford contractors loco, it wasn't bad but I think things have moved on since then. I actually used the colourising feature of "Find My Past" for that, which was the only easily available one at the time.
I notice on your first set of pictures that it has actually coloured the "green" spectacle in blue, which is of course correct but it could easily have missed that one!