The images come out pretty well without any negative prompts in v1.5. Later steps are only finer adjustments to details, such as hairs covering ears.Īdding negative prompt to v1.5. The reasoning is that the diffusion process is most important in the beginning steps. Since, I am using 20 sampling steps, what this means is using the as the negative prompt in steps 1 – 10, and (ear:1.9) in steps 11-20. You will get the same image as if you didn’t put anything. You can verify its uselessness by putting it in the negative prompt. Let’s pick the as the meaningless, dud negative prompt. You can use keyword switching to first use a meaningless word as a negative prompt and then switch to (ear:1.9) at a later sampling step. Now, what if you really want to use a high emphasis (ear:1.9)? I don’t know your problem with ears, but I have a trick for you. ![]() A negative prompt could affect the diffusion process strongly. The ears are covered more by hair within all emphasis factors, but when the factor reaches 1.9, the composition of the image changes. Below are three increasing emphases: 1.3, 1.6, and 1.9. ![]() What if we are okay with the wind but want the hair to cover the ear? Let’s add a negative prompt, “ear,” with different emphasis factors.
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