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+ # Redrob Image
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+
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+ [English](./README.md)
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+
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+ **Redrob Image**๋Š” [Redrob](https://redrob.io)์˜ ์˜คํ”ˆ์›จ์ดํŠธ ํ™•์‚ฐ ๋ชจ๋ธ์ด๊ณ , [์ด์žฅํ›ˆ (Janghoon Lee)](https://www.janghoonlee.com)๊ฐ€ ๋งŒ๋“ค์—ˆ์Šต๋‹ˆ๋‹ค.
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+
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+ Redrob์˜ ๋น„์ „์€ AI๋ฅผ ๋ฏผ์ฃผํ™”ํ•˜๋Š” ๊ฒƒ ๊ฐ™์€๋ฐ์š”. ์ด ๋ชจ๋ธ์€ [Apache License 2.0](./LICENSE) ์•„๋ž˜์—์„œ ๋ฌด๋ฃŒ๋กœ ์“ฐ๊ณ , ์ƒ์—…์ ์œผ๋กœ๋„ ์“ธ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
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+
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+ ## ์™œ ์ด ๋ชจ๋ธ์ธ๊ฐ€
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+
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+ - ๋ฒ ์ด์Šค๋ณด๋‹ค ํ˜„์‹ค์ ์ธ ์ชฝ์œผ๋กœ ๋งž์ท„์Šต๋‹ˆ๋‹ค. ํ”ผ๋ถ€, ๋น›, ์งˆ๊ฐ์ด ๋‚ซ๊ณ , ํ”Œ๋ผ์Šคํ‹ฑํ•œ AI ํ”ผ๋ถ€ ํ‹ฐ๊ฐ€ ๋œํ•ฉ๋‹ˆ๋‹ค.
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+ - ์‚ฌ์ง„, ํฌํŠธ๋ ˆ์ดํŠธ, ๋ถ„์œ„๊ธฐ ์ด๋ฏธ์ง€์—์„œ ๊ฐ•ํ•ฉ๋‹ˆ๋‹ค.
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+ - Turbo ์Šคํƒ€์ผ ์ƒ˜ํ”Œ๋ง์ด๋ผ DiT ๊ธฐ์ค€ ์•ฝ 8์Šคํ…์ž…๋‹ˆ๋‹ค.
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+ - Diffusers๋กœ ๊ทธ๋ƒฅ Python์—์„œ ๋Œ๋ฆฌ๊ฑฐ๋‚˜, ComfyUI์—์„œ๋Š” ๋จธ์ง€๋œ UNET ํ•˜๋‚˜๋กœ ์”๋‹ˆ๋‹ค.
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+ - Apache-2.0: ์‚ฌ์šฉ, ์ƒ์—… ์ด์šฉ, ์žฌ๋ฐฐํฌ ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค.
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+
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+ ## ํ•œ๊ณ„
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+
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+ ์ฝํžˆ๋Š” ํ…์ŠคํŠธ๋Š” ์•ฝํ•ฉ๋‹ˆ๋‹ค. ํ•œ๊ธ€, ๋ฐ๋ฐ”๋‚˜๊ฐ€๋ฆฌ, ๋น„๋ผํ‹ด ์Šคํฌ๋ฆฝํŠธ ๋Œ€๋ถ€๋ถ„๋„ ํฌํ•จ๋ฉ๋‹ˆ๋‹ค. ํ…์ŠคํŠธ๊ฐ€ ์ค‘์š”ํ•œ ํ™”๋ฉด์€ ๋‹ค๋ฅธ ๊ฒฝ๋กœ๋กœ ๋นผ๋Š” ๊ฒŒ ๋งž๋‹ค๊ณ  ๋ด…๋‹ˆ๋‹ค. ๊ทธ๋ž˜ํ”ฝ, ์ธ์‡„, ํƒ€์ดํฌ ์ค‘์‹ฌ ์ž‘์—…๋„ ์‚ฌ์ง„/ํฌํŠธ๋ ˆ์ดํŠธ๋ณด๋‹ค ์•ฝํ•ฉ๋‹ˆ๋‹ค.
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+
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+ Turbo ์ƒ˜ํ”Œ๋ง์€ classifier-free guidance ์—†์ด ๋•๋‹ˆ๋‹ค (`guidance_scale=0` / ComfyUI `cfg 1`). ๊ทธ๋ž˜์„œ **๋„ค๊ฑฐํ‹ฐ๋ธŒ ํ”„๋กฌํ”„ํŠธ๋Š” ๋ฌด์‹œ๋ฉ๋‹ˆ๋‹ค**. ํ”ผํ•˜๊ณ  ์‹ถ์€ ๊ฑด ํฌ์ง€ํ‹ฐ๋ธŒ ์ชฝ์— ๋„ฃ์œผ์„ธ์š”.
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+
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+ ## ๋น ๋ฅธ ์‹œ์ž‘ (Diffusers / Python)
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+
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+ ์—”ํ„ฐํ”„๋ผ์ด์ฆˆยทํ”„๋กœ๋•์…˜ ๊ธฐ๋ณธ์ž…๋‹ˆ๋‹ค. Hugging Face ์—…๋กœ๋“œ์— `transformer/`๊ฐ€ ๋“ค์–ด๊ฐ€ ์žˆ์œผ๋ฉด, ๊ทธ Diffusers transformer๋ฅผ ๋กœ๋“œํ•˜๊ณ  ํ…์ŠคํŠธ ์ธ์ฝ”๋” / VAE๋Š” ๋ฒ ์ด์Šค ํŒŒ์ดํ”„๋ผ์ธ์—์„œ ๊ฐ€์ ธ์˜ต๋‹ˆ๋‹ค.
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+
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+ ```bash
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+ pip install -U torch transformers accelerate safetensors
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+ pip install -U diffusers
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+ ```
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+
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+ ```python
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+ import torch
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+ from diffusers import ZImagePipeline, ZImageTransformer2DModel
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+
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+ transformer = ZImageTransformer2DModel.from_pretrained(
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+ "redrob-labs/redrob-image",
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+ subfolder="transformer",
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+ torch_dtype=torch.bfloat16,
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+ )
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+
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+ pipe = ZImagePipeline.from_pretrained(
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+ "Tongyi-MAI/Z-Image-Turbo",
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+ transformer=transformer,
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+ torch_dtype=torch.bfloat16,
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+ )
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+ pipe.to("cuda")
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+
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+ prompt = "A documentary portrait in natural window light, shallow depth of field"
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+ image = pipe(
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+ prompt=prompt,
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+ height=1024,
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+ width=1024,
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+ num_inference_steps=9, # DiT forward 8ํšŒ
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+ guidance_scale=0.0, # Turbo์—์„œ ํ•„์ˆ˜
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+ generator=torch.Generator("cuda").manual_seed(42),
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+ ).images[0]
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+ image.save("redrob-image.png")
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+ ```
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+
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+ ์ž‘์€ GPU๋ฉด `pipe.enable_model_cpu_offload()`๋ฅผ ์“ฐ๋ฉด ๋ฉ๋‹ˆ๋‹ค.
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+
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+ ## ๋น ๋ฅธ ์‹œ์ž‘ (ComfyUI)
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+
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+ | ํŒŒ์ผ | ์œ„์น˜ | ์ถœ์ฒ˜ |
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+ | --------------------------------- | -------------------------- | ------------------------------------------------------------------------- |
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+ | `redrob-image.safetensors` | `models/diffusion_models/` | ์ด ์ €์žฅ์†Œ |
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+ | `qwen_3_4b_fp8_mixed.safetensors` | `models/text_encoders/` | [Comfy-Org/z_image_turbo](https://huggingface.co/Comfy-Org/z_image_turbo) |
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+ | `ae.safetensors` | `models/vae/` | ๊ฐ™์€ Comfy-Org ํŒฉ |
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+
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+ 1. `UNETLoader` -> `redrob-image.safetensors`
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+ 2. `CLIPLoader` -> `qwen_3_4b_fp8_mixed.safetensors` (`type: lumina2`)
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+ 3. `VAELoader` -> `ae.safetensors`
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+ 4. ์ƒ˜ํ”Œ๋Ÿฌ: **8 steps**, **cfg 1**, `res_multistep` / `sgm_uniform`
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+
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+ ์ตœ์†Œ ๊ทธ๋ž˜ํ”„๋Š” `workflows/redrob-image-api.json`์ž…๋‹ˆ๋‹ค. ๋„ค๊ฑฐํ‹ฐ๋ธŒ ์ปจ๋””์…”๋‹์€ `ConditioningZeroOut`์œผ๋กœ ๋น„์›๋‹ˆ๋‹ค. ๋„ค๊ฑฐํ‹ฐ๋ธŒ ํ…์ŠคํŠธ๊ฐ€ ์ด๋ฏธ์ง€๋ฅผ ๋ฐ”๊ฟ€ ๊ฑฐ๋ผ๊ณ  ๊ธฐ๋Œ€ํ•˜์ง€ ๋งˆ์„ธ์š”.
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+
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+ ## ํŒŒ์ผ
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+
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+ | ๊ฒฝ๋กœ | ์—ญํ•  |
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+ | --------------------------------- | ------------------------------------- |
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+ | `redrob-image.safetensors` | ComfyUI ๋จธ์ง€ UNET (LFS, ~12 GiB) |
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+ | `transformer/` | Diffusers ๋ ˆ์ด์•„์›ƒ (HF ์—…๋กœ๋“œ ์‹œ ์ƒ์„ฑ) |
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+ | `workflows/redrob-image-api.json` | ์ตœ์†Œ ComfyUI API ๊ทธ๋ž˜ํ”„ |
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+ | `README.md` / `README.ko.md` | ๋ชจ๋ธ ์นด๋“œ (์˜์–ด / ํ•œ๊ตญ์–ด) |
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+ | `LICENSE` | Apache License 2.0 |
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+ | `NOTICE` | ์ถœ์ฒ˜ ํ‘œ๊ธฐ |
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+
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+ `transformer/`๋Š” git์— ์—†์Šต๋‹ˆ๋‹ค. Hugging Face ์—…๋กœ๋“œ ๋•Œ `scripts/push_hf.sh`๊ฐ€ Comfy UNET์„ Diffusers ํฌ๋งท์œผ๋กœ ๋ณ€ํ™˜ํ•˜๊ฑฐ๋‚˜, ๋ฏธ๋ฆฌ ๋งŒ๋“  `TRANSFORMER_DIR`์„ ๋ณต์‚ฌํ•ฉ๋‹ˆ๋‹ค.
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+
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+ ๋กœ์ปฌ์—์„œ Comfy UNET์„ ์ง์ ‘ ๋ณ€ํ™˜ํ•˜๋ ค๋ฉด:
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+
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+ ```bash
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+ python scripts/comfy_to_diffusers_zimage.py \
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+ --input redrob-image.safetensors \
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+ --output-dir transformer/
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+ ```
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+
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+ ## ๋ผ์ด์„ ์Šค
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+ [Apache License 2.0](./LICENSE). ์ €์ž‘๊ถŒ์€ [Redrob](https://redrob.io). ์ œ์ž‘์€ [์ด์žฅํ›ˆ (Janghoon Lee)](https://www.janghoonlee.com). ์—…์ŠคํŠธ๋ฆผ ํ‘œ๊ธฐ๋Š” [NOTICE](./NOTICE). ์žฌ๋ฐฐํฌํ•  ๋•Œ๏ฟฝ๏ฟฝ NOTICE๋ฅผ ๊ฐ€์ค‘์น˜์™€ ํ•จ๊ป˜ ์œ ์ง€ํ•˜์„ธ์š”.
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+
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+ ## ์ €์ž‘ / ์ถœ์ฒ˜
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+ - **์ €์ž‘๊ถŒ:** Redrob ([redrob.io](https://redrob.io))
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+ - **์ œ์ž‘:** [์ด์žฅํ›ˆ (Janghoon Lee)](https://www.janghoonlee.com) ([@savagemanage](https://github.com/savagemanage))
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+ - **์ €์žฅ์†Œ:** [redrob-labs/redrob-image](https://huggingface.co/redrob-labs/redrob-image)
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+ - **๋ฒ ์ด์Šค:** [Tongyi-MAI/Z-Image-Turbo](https://huggingface.co/Tongyi-MAI/Z-Image-Turbo) - Apache License 2.0