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In reply to the discussion: Carney's cat, Nico [View all]

William Seger

(11,786 posts)
19. One AI-generated clue is the direction of the shadows
Tue Aug 26, 2025, 01:03 PM
Aug 26

There are a lot of videos on YouTube about detecting AI images and videos, and one important clue is shadows: When AI composes an image with multiple objects, it often makes the shadow directions inconsistent. If any number of objects in a real image are lit by the same light source, all shadows will point exactly at that source, but many current AI generators don't seem to know that. In the lower right of this image, look at the shadow of the cat's tail compared to the shadow of the small box -- it just doesn't look right, does it.

There is often a similar problem with lines that should be parallel that are not converging at the same perspective "infinity" point, but the desk in this image looks okay, and there's really nothing else to compare it with, since it isn't necessarily supposed to be aligned with the window.

Recommendations

1 members have recommended this reply (displayed in chronological order):

Carney's cat, Nico [View all] BlueWavePsych Aug 25 OP
What a handsome boy! MacKasey Aug 25 #1
Now THERE is a cat with some great juju! Jilly_in_VA Aug 25 #2
Or refers to their pet as "it." Drives me crazy. Animals have genders. MIButterfly Aug 25 #5
They have genders & spirits Nigrum Cattus Aug 25 #15
Nico could be our cats' body double. lark Aug 25 #3
I 🧡💛🩵 talkative cats!!! ultralite001 Aug 25 #9
aww. AllaN01Bear Aug 25 #4
What a good-looking cat! MIButterfly Aug 25 #6
OMG, what a handsome cat. 3catwoman3 Aug 25 #7
If that picture isn't AI generated drmeow Aug 25 #8
That's what I thought, too William Seger Aug 25 #17
I thought Carney's cat was Tonto JoseBalow Aug 25 #10
Fake AI slop.... LudwigPastorius Aug 25 #11
This cat is also a very handsome fellow. 3catwoman3 Aug 25 #13
More here ... BlueWavePsych Aug 25 #14
Yeah, progressoid Aug 25 #16
One AI-generated clue is the direction of the shadows William Seger Aug 26 #19
Maybe he has more than 1 cat.. Deuxcents Aug 25 #12
The more cats, the merrier! 😉 Mountain Mule Aug 25 #18
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