Thanks for your reply Joanna - very helpful
No problem at all. If you want to merge your photographs. You only have to think of Frank Hurley and his (in)famous composite war photograph…
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OK - so adding something to a scene that wasn't actually there is not a problem - the issue is the source of the added bits. I'm ok with that But see below*.
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Since when was photography meant to be easy?
I'd say it is meant to be easy when you are learning/relearning something (as in my case on this occasion). Eg when learning how to add textures I think it's ok to use free ones off the internet. When you have learned how to use them, and want to continue, then - yes - you should create your own.
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The problem with generative AI is that it appropriates other peoples' images, without their permission.
Even Adobe's new AI erase tool takes other people's images to fill in what it thinks the background would have looked like, based on a vast database of other people's work.
As I said, my main beef is that generative AI creates images from textual or spoken inputs, not from what the "author" captured using light.
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This may be a moot point in my particular case - difficult to know because I don't know how the AI actually worked but ....
.... I think it's reasonable to say that *the extension is based on the lower half of the image - which is mine and captured from light. And that it is not based on a database of stolen images. However .... it is true to say that the adjacent 'windows' are from an unknown source - and if I'd thought I could have deleted them.
But my main point is that, for me, this was a training/learning effort (regarding realising a 'vision').
I'm with Joanna on this. We all use some AI when processing our images. But what I am against with generative AI is you just tell the AI software what you want then it produces the image for you. To my way of thinking it is like commissioning someone to take a photo for you, then claiming you took the image.
Thanks for your helpful comments too Helen.
I agree but I don't think my (declared) use of AI in this image is as extreme as in the case you suggest.
An analogy (for me) ......... In 'club photography', there is usually a rule to the effect that it has to be all your own work. Some people submit images where they have been on a workshop where the lighting, models, setup etc is done by someone else and the club member presses the shutter button. I see that as bad as using AI - it isn't 'all their own work' - but in practice (as with AI) it's sometimes difficult to draw a firm line.
Anyway ..... thanks for all the comments - been very helpful to me in getting my mind back in gear

(And this is a learning forum.)