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I think they work, but not in the way that people seem to be using them. Take the negative prompt "bad hands". The AI doesn't know what bad hands are, that's a
by peddling-brink 4y ago
I think they work, but not in the way that people seem to be using them.
Take the negative prompt "bad hands". The AI doesn't know what bad hands are, that's a human concept. But it does know what hands are, so it hides them. In the example image the hands, arms, and feet are all hidden.
In theory, using the negative prompt "hands" would be just as effective.
I'm not an expert, but I was given the above explanation by someone who knows a lot more than me and it makes sense.
- numpad0 4y agoDanbooru and other "booru" websites has those exact tags. Tags in booru is in direction of a flattened and deduped YOLO output but better and manually assigned, which was exploited in NovelAI. cf.[1] 1: SFW, personally can't agree with bad_hands tag https://danbooru.donmai.us/posts/5797703 https://danbooru.donmai.us/posts/5797703
- dale_glass 4y agoThe model can be taught what "bad hands" look like by feeding it some samples of that with the "bad hands" tag. And existing image archives do have pictures tagged things like "bad hands" and "bad anatomy" because actual artists do draw things wrong sometimes. I imagine that on the long term people will start making archives of AI mistakes and train the AI on those to try to make them less common.
- astrange 4y agoThat’s exactly what NovelAI did and why I mentioned it in the first place.