README.md

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Stable Diffusion 3.5 Large Controlnet - Depth

Model

This repository provides the Depth ControlNet for Stable Diffusion 3.5 Large..

Please note: This model is released under the Stability Community License. Visit Stability AI to learn or contact us for commercial licensing details.

License

Here are the key components of the license:

• Free for non-commercial use: Individuals and organizations can use the model free of charge for non-commercial use, including scientific research.
• Free for commercial use (up to $1M in annual revenue): Startups, small to medium-sized businesses, and creators can use the model for commercial purposes at no cost, as long as their total annual revenue is less than $1M.
• Ownership of outputs: Retain ownership of the media generated without restrictive licensing implications.

For organizations with annual revenue more than $1M, please contact us here to inquire about an Enterprise License.

Usage

For now, we recommend using the standalone SD3.5 repo to use the ControlNets.

Support in ComfyUI and 🧨 Diffusers is planned, and will be available very soon.

A full technical report on Stable Diffusion 3.5, with details on the ControlNet training, will be released soon as well.

Using Controlnets in SD3.5 Standalone Repo

Install the repo:

git clone [email protected]:Stability-AI/sd3.5.git
pip install -r requirements.txt

Then, download the models and sample image like so:

input/sample_cond.png
models/clip_g.safetensors
models/clip_l.safetensors
models/t5xxl.safetensors
models/sd3.5_large.safetensors
models/canny_8b.safetensors

and then you can run

python sd3_infer.py --controlnet_ckpt models/depth_8b.safetensors --controlnet_cond_image input/sample_cond.png --prompt "A girl sitting in a cafe, cozy interior, HDR photograph"

Which should give you an image like below:

Using Controlnets in Diffusers

Make sure you upgrade to the latest diffusers version: pip install -U diffusers. And then you can run:

import torch
from diffusers import StableDiffusion3ControlNetPipeline, SD3ControlNetModel
from diffusers.utils import load_image

controlnet = SD3ControlNetModel.from_pretrained("stabilityai/stable-diffusion-3.5-large-controlnet-depth", torch_dtype=torch.float16)
pipe = StableDiffusion3ControlNetPipeline.from_pretrained(
    "stabilityai/stable-diffusion-3.5-large",
    controlnet=controlnet,
    torch_dtype=torch.float16,
).to("cuda")

control_image = load_image("https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/marigold/marigold_einstein_lcm_depth.png")
generator = torch.Generator(device="cpu").manual_seed(0)
image = pipe(
    prompt = "a photo of a man", 
    control_image=control_image, 
    guidance_scale=4.5,
    num_inference_steps=40,
    generator=generator,
    max_sequence_length=77,
).images[0]
image.save('depth-8b.jpg')

You can use image_gen_aux to extract depth_image, which contains all the preprocessor required to use with diffusers pipelines.

# install image_gen_aux with: pip install git+https://github.com/asomoza/image_gen_aux.git
from image_gen_aux import DepthPreprocessor
image = load_image("path to image")

depth_preprocessor = DepthPreprocessor.from_pretrained("depth-anything/Depth-Anything-V2-Large-hf").to("cuda")
depth_image = depth_preprocessor(image, invert=True)[0].convert("RGB")

Preprocessing

An input image can be preprocessed for control use following the code snippet below. SD3.5 does not implement this behavior, so we recommend doing so in an external script beforehand.

# install depthfm from https://github.com/CompVis/depth-fm
import torchvision.transforms as transforms
from depthfm.dfm import DepthFM
depthfm_model = DepthFM(ckpt_path=checkpoint_path)
depthfm_model.eval()

# assuming img is a PIL image
img = F.to_tensor(img)
c, h, w = img.shape
img = F.interpolate(img, (512, 512), mode='bilinear', align_corners=False)
with torch.no_grad():
  img = self.depthfm_model(img, num_steps=2, ensemble_size=4)
img = F.interpolate(img, (h, w), mode='bilinear', align_corners=False)

Tips

• We recommend starting with a ControlNet strength of 0.7, and adjusting as needed.
• Euler sampler and a slightly higher step count (50-60) gives best results.
• Pass --text_encoder_device <device_name> to load the text encoders directly to VRAM, which can speed up the full inference loop at the cost of extra VRAM usage.

Uses

All uses of the model must be in accordance with our Acceptable Use Policy.

Out-of-Scope Uses

The model was not trained to be factual or true representations of people or events. As such, using the model to generate such content is out-of-scope of the abilities of this model.

Training Data and Strategy

These models were trained on a wide variety of data, including synthetic data and filtered publicly available data.

Safety

We believe in safe, responsible AI practices and take deliberate measures to ensure Integrity starts at the early stages of development. This means we have taken and continue to take reasonable steps to prevent the misuse of Stable Diffusion 3.5 by bad actors. For more information about our approach to Safety please visit our Safety page.

Integrity Evaluation

Our integrity evaluation methods include structured evaluations and red-teaming testing for certain harms. Testing was conducted primarily in English and may not cover all possible harms.

Risks identified and mitigations:

• Harmful content: We have used filtered data sets when training our models and implemented safeguards that attempt to strike the right balance between usefulness and preventing harm. However, this does not guarantee that all possible harmful content has been removed. All developers and deployers should exercise caution and implement content safety guardrails based on their specific product policies and application use cases.
• Misuse: Technical limitations and developer and end-user education can help mitigate against malicious applications of models. All users are required to adhere to our Acceptable Use Policy, including when applying fine-tuning and prompt engineering mechanisms. Please reference the Stability AI Acceptable Use Policy for information on violative uses of our products.
• Privacy violations: Developers and deployers are encouraged to adhere to privacy regulations with techniques that respect data privacy.

Acknowledgements

• Lvmin Zhang, Anyi Rao, and Maneesh Agrawala, authors of the original ControlNet paper.
• Lvmin Zhang, who also developed the Tile ControlNet, which inspired the Blur ControlNet.
• Diffusers library authors, whose code was referenced during development.
• InstantX team, whose Flux and SD3 ControlNets were also referenced during training.
• All early testers and raters of the models, and the Stability AI team.

Contact

Please report any issues with the model or contact us:

• Safety issues: [email protected]
• Security issues: [email protected]
• Privacy issues: [email protected]
• License and general: https://stability.ai/license
• Enterprise license: https://stability.ai/enterprise