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diffusers/docs/source/ko/using-diffusers/weighted_prompts.md
Tolga Cangรถz 98730c5dd7 Errata (#8322)
* Fix typos

* Trim trailing whitespaces

* Remove a trailing whitespace

* chore: Update MarigoldDepthPipeline checkpoint to prs-eth/marigold-lcm-v1-0

* Revert "chore: Update MarigoldDepthPipeline checkpoint to prs-eth/marigold-lcm-v1-0"

This reverts commit fd742b30b4.

* pokemon -> naruto

* `DPMSolverMultistep` -> `DPMSolverMultistepScheduler`

* Improve Markdown stylization

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* Refactor pipeline variable names for consistency

* up style
2024-06-05 13:59:09 -07:00

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# ํ”„๋กฌํ”„ํŠธ์— ๊ฐ€์ค‘์น˜ ๋ถ€์—ฌํ•˜๊ธฐ
[[open-in-colab]]
ํ…์ŠคํŠธ ๊ฐ€์ด๋“œ ๊ธฐ๋ฐ˜์˜ diffusion ๋ชจ๋ธ์€ ์ฃผ์–ด์ง„ ํ…์ŠคํŠธ ํ”„๋กฌํ”„ํŠธ๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ์ด๋ฏธ์ง€๋ฅผ ์ƒ์„ฑํ•ฉ๋‹ˆ๋‹ค.
ํ…์ŠคํŠธ ํ”„๋กฌํ”„ํŠธ์—๋Š” ๋ชจ๋ธ์ด ์ƒ์„ฑํ•ด์•ผ ํ•˜๋Š” ์—ฌ๋Ÿฌ ๊ฐœ๋…์ด ํฌํ•จ๋  ์ˆ˜ ์žˆ์œผ๋ฉฐ ํ”„๋กฌํ”„ํŠธ์˜ ํŠน์ • ๋ถ€๋ถ„์— ๊ฐ€์ค‘์น˜๋ฅผ ๋ถ€์—ฌํ•˜๋Š” ๊ฒƒ์ด ๋ฐ”๋žŒ์งํ•œ ๊ฒฝ์šฐ๊ฐ€ ๋งŽ์Šต๋‹ˆ๋‹ค.
Diffusion ๋ชจ๋ธ์€ ๋ฌธ๋งฅํ™”๋œ ํ…์ŠคํŠธ ์ž„๋ฒ ๋”ฉ์œผ๋กœ diffusion ๋ชจ๋ธ์˜ cross attention ๋ ˆ์ด์–ด๋ฅผ ์กฐ์ ˆํ•จ์œผ๋กœ์จ ์ž‘๋™ํ•ฉ๋‹ˆ๋‹ค.
([๋” ๋งŽ์€ ์ •๋ณด๋ฅผ ์œ„ํ•œ Stable Diffusion Guide](https://huggingface.co/docs/optimum-neuron/main/en/package_reference/modeling#stable-diffusion)๋ฅผ ์ฐธ๊ณ ํ•˜์„ธ์š”).
๋”ฐ๋ผ์„œ ํ”„๋กฌํ”„ํŠธ์˜ ํŠน์ • ๋ถ€๋ถ„์„ ๊ฐ•์กฐํ•˜๋Š”(๋˜๋Š” ๊ฐ•์กฐํ•˜์ง€ ์•Š๋Š”) ๊ฐ„๋‹จํ•œ ๋ฐฉ๋ฒ•์€ ํ”„๋กฌํ”„ํŠธ์˜ ๊ด€๋ จ ๋ถ€๋ถ„์— ํ•ด๋‹นํ•˜๋Š” ํ…์ŠคํŠธ ์ž„๋ฒ ๋”ฉ ๋ฒกํ„ฐ์˜ ํฌ๊ธฐ๋ฅผ ๋Š˜๋ฆฌ๊ฑฐ๋‚˜ ์ค„์ด๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
์ด๊ฒƒ์€ "ํ”„๋กฌํ”„ํŠธ ๊ฐ€์ค‘์น˜ ๋ถ€์—ฌ" ๋ผ๊ณ  ํ•˜๋ฉฐ, ์ปค๋ฎค๋‹ˆํ‹ฐ์—์„œ ๊ฐ€์žฅ ์š”๊ตฌํ•˜๋Š” ๊ธฐ๋Šฅ์ž…๋‹ˆ๋‹ค.([์ด๊ณณ](https://github.com/huggingface/diffusers/issues/2431)์˜ issue๋ฅผ ๋ณด์„ธ์š” ).
## Diffusers์—์„œ ํ”„๋กฌํ”„ํŠธ ๊ฐ€์ค‘์น˜ ๋ถ€์—ฌํ•˜๋Š” ๋ฐฉ๋ฒ•
์šฐ๋ฆฌ๋Š” `diffusers`์˜ ์—ญํ• ์ด ๋‹ค๋ฅธ ํ”„๋กœ์ ํŠธ๋ฅผ ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•˜๋Š” ํ•„์ˆ˜์ ์ธ ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•˜๋Š” toolbex๋ผ๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.
[InvokeAI](https://github.com/invoke-ai/InvokeAI) ๋‚˜ [diffuzers](https://github.com/abhishekkrthakur/diffuzers) ๊ฐ™์€ ๊ฐ•๋ ฅํ•œ UI๋ฅผ ๊ตฌ์ถ•ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
ํ”„๋กฌํ”„ํŠธ๋ฅผ ์กฐ์ž‘ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์ง€์›ํ•˜๊ธฐ ์œ„ํ•ด, `diffusers` ๋Š”
[StableDiffusionPipeline](https://huggingface.co/docs/diffusers/v0.18.2/en/api/pipelines/stable_diffusion/text2img#diffusers.StableDiffusionPipeline)์™€ ๊ฐ™์€
๋งŽ์€ ํŒŒ์ดํ”„๋ผ์ธ์— [prompt_embeds](https://huggingface.co/docs/diffusers/v0.14.0/en/api/pipelines/stable_diffusion/text2img#diffusers.StableDiffusionPipeline.__call__.prompt_embeds)
์ธ์ˆ˜๋ฅผ ๋…ธ์ถœ์‹œ์ผœ, "prompt-weighted"/์ถ•์ฒ™๋œ ํ…์ŠคํŠธ ์ž„๋ฒ ๋”ฉ์„ ํŒŒ์ดํ”„๋ผ์ธ์— ๋ฐ”๋กœ ์ „๋‹ฌํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ•ฉ๋‹ˆ๋‹ค.
[Compel ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ](https://github.com/damian0815/compel)๋Š” ํ”„๋กฌํ”„ํŠธ์˜ ์ผ๋ถ€๋ฅผ ๊ฐ•์กฐํ•˜๊ฑฐ๋‚˜ ๊ฐ•์กฐํ•˜์ง€ ์•Š์„ ์ˆ˜ ์žˆ๋Š” ์‰ฌ์šด ๋ฐฉ๋ฒ•์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.
์ž„๋ฒ ๋”ฉ์„ ์ง์ ‘ ์ค€๋น„ํ•˜๋Š” ๊ฒƒ ๋Œ€์‹  ์ด ๋ฐฉ๋ฒ•์„ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์„ ๊ฐ•๋ ฅํžˆ ์ถ”์ฒœํ•ฉ๋‹ˆ๋‹ค.
๊ฐ„๋‹จํ•œ ์˜ˆ์ œ๋ฅผ ์‚ดํŽด๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค.
๋‹ค์Œ๊ณผ ๊ฐ™์ด `"๊ณต์„ ๊ฐ–๊ณ  ๋…ธ๋Š” ๋ถ‰์€์ƒ‰ ๊ณ ์–‘์ด"` ์ด๋ฏธ์ง€๋ฅผ ์ƒ์„ฑํ•˜๊ณ  ์‹ถ์Šต๋‹ˆ๋‹ค:
```py
from diffusers import StableDiffusionPipeline, UniPCMultistepScheduler
pipe = StableDiffusionPipeline.from_pretrained("CompVis/stable-diffusion-v1-4")
pipe.scheduler = UniPCMultistepScheduler.from_config(pipe.scheduler.config)
prompt = "a red cat playing with a ball"
generator = torch.Generator(device="cpu").manual_seed(33)
image = pipe(prompt, generator=generator, num_inference_steps=20).images[0]
image
```
์ƒ์„ฑ๋œ ์ด๋ฏธ์ง€:
![img](https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/compel/forest_0.png)
์‚ฌ์ง„์—์„œ ์•Œ ์ˆ˜ ์žˆ๋“ฏ์ด, "๊ณต"์€ ์ด๋ฏธ์ง€์— ์—†์Šต๋‹ˆ๋‹ค. ์ด ๋ถ€๋ถ„์„ ๊ฐ•์กฐํ•ด ๋ณผ๊นŒ์š”!
๋จผ์ € `compel` ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์„ค์น˜ํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค:
```sh
pip install compel
```
๊ทธ๋Ÿฐ ๋‹ค์Œ์—๋Š” `Compel` ์˜ค๋ธŒ์ ํŠธ๋ฅผ ์ƒ์„ฑํ•ฉ๋‹ˆ๋‹ค:
```py
from compel import Compel
compel_proc = Compel(tokenizer=pipe.tokenizer, text_encoder=pipe.text_encoder)
```
์ด์ œ `"++"` ๋ฅผ ์‚ฌ์šฉํ•ด์„œ "๊ณต" ์„ ๊ฐ•์กฐํ•ด ๋ด…์‹œ๋‹ค:
```py
prompt = "a red cat playing with a ball++"
```
๊ทธ๋ฆฌ๊ณ  ์ด ํ”„๋กฌํ”„ํŠธ๋ฅผ ํŒŒ์ดํ”„๋ผ์ธ์— ๋ฐ”๋กœ ์ „๋‹ฌํ•˜์ง€ ์•Š๊ณ , `compel_proc` ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์ฒ˜๋ฆฌํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค:
```py
prompt_embeds = compel_proc(prompt)
```
ํŒŒ์ดํ”„๋ผ์ธ์— `prompt_embeds` ๋ฅผ ๋ฐ”๋กœ ์ „๋‹ฌํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค:
```py
generator = torch.Generator(device="cpu").manual_seed(33)
images = pipe(prompt_embeds=prompt_embeds, generator=generator, num_inference_steps=20).images[0]
image
```
์ด์ œ "๊ณต"์ด ์žˆ๋Š” ๊ทธ๋ฆผ์„ ์ถœ๋ ฅํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค!
![img](https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/compel/forest_1.png)
๋งˆ์ฐฌ๊ฐ€์ง€๋กœ `--` ์ ‘๋ฏธ์‚ฌ๋ฅผ ๋‹จ์–ด์— ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์žฅ์˜ ์ผ๋ถ€๋ฅผ ๊ฐ•์กฐํ•˜์ง€ ์•Š์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ํ•œ๋ฒˆ ์‹œ๋„ํ•ด ๋ณด์„ธ์š”!
์ฆ๊ฒจ์ฐพ๋Š” ํŒŒ์ดํ”„๋ผ์ธ์— `prompt_embeds` ์ž…๋ ฅ์ด ์—†๋Š” ๊ฒฝ์šฐ issue๋ฅผ ์ƒˆ๋กœ ๋งŒ๋“ค์–ด์ฃผ์„ธ์š”.
Diffusers ํŒ€์€ ์ตœ๋Œ€ํ•œ ๋Œ€์‘ํ•˜๋ ค๊ณ  ๋…ธ๋ ฅํ•ฉ๋‹ˆ๋‹ค.
Compel 1.1.6 ๋Š” textual inversions์„ ์‚ฌ์šฉํ•˜์—ฌ ๋‹จ์ˆœํ™”ํ•˜๋Š” ์œ ํ‹ฐ๋ฆดํ‹ฐ ํด๋ž˜์Šค๋ฅผ ์ถ”๊ฐ€ํ•ฉ๋‹ˆ๋‹ค.
`DiffusersTextualInversionManager`๋ฅผ ์ธ์Šคํ„ด์Šคํ™” ํ•œ ํ›„ ์ด๋ฅผ Compel init์— ์ „๋‹ฌํ•ฉ๋‹ˆ๋‹ค:
```
textual_inversion_manager = DiffusersTextualInversionManager(pipe)
compel = Compel(
tokenizer=pipe.tokenizer,
text_encoder=pipe.text_encoder,
textual_inversion_manager=textual_inversion_manager)
```
๋” ๋งŽ์€ ์ •๋ณด๋ฅผ ์–ป๊ณ  ์‹ถ๋‹ค๋ฉด [compel](https://github.com/damian0815/compel) ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ๋ฌธ์„œ๋ฅผ ์ฐธ๊ณ ํ•˜์„ธ์š”.