yano2mch
Professional Geeky Perv
Depends on the (NCNN) model and it's complexity. Some of them the complexity or style is to help other aspects of the model.
There's one that's used for coloring book art, and i forgot to tell it to do the line-art as keywords. Got some really low Poly PS1-like images, which makes sense since it will detect edges and then make those as thick lines.
Makes me wish i could find this awesome video on level design i watched a year or two ago. It basically was for procedural generation, but you had tiles that had rules, of what could connect to what. Example a mountain could connect to the sky and to a lower mountain. A lower mountain could connect to the sky, upper mountain, lower mountain, and plains. Plains could connect to sky, lower mountain, plains, and river. etc. If i could only remember the name of the process.
| These rules could apply for so many more things, outer buildings, room layouts, chip design layout which always reminded me of the shadowrun genesis intro background. But no doubt applies to image generation too. |
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Anyways, i saw a bit on image generation and they tend to be in something like 4x8 blocks, with relationships of items around them to determine how they build the image, usually with dozens of passes to refine it. I have a 'wolf howling at the moon' at different steps and you can see how it changes. But it is the same principle. Depending on the model (or Lora, a lightweight addon) helps to define how it generates or refines the output.
| Course if you don't want an entirely NEW image, you have to direct it somehow. img2img seems to work quite well with nice or funny results; Which is likely the best way to get consistency with training specific faces when doing a pass and modifying an image. Or you can just generate a few thousand images and find one you like. | 
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As for making a 3D model and exporting it, yeah i can see that happening, just not with Stable Diffusion. Honestly the image provided is a good place to start, rather than starting from a ball and going from scratch. Or modify it with a few passes to give it a closer look to what you want, at least for games. For comics and adult stories, probably clean it up. Depends on what you need.
Guess we live in interesting times...
