๐ Controlnet - v1.1 - openpose Version
ControlNet v1.1 is a neural network structure that enhances diffusion models by incorporating extra conditions. It enables more precise control over image generation, allowing users to input specific conditions such as edge maps, segmentation maps, and keypoints. This checkpoint, based on openpose images, can be used in conjunction with Stable Diffusion for various image generation tasks.
๐ Quick Start
ControlNet v1.1 is the successor model of ControlNet v1.0 and was released in lllyasviel/ControlNet-v1-1 by Lvmin Zhang.
This checkpoint is a conversion of the original checkpoint into diffusers
format. It can be used in combination with Stable Diffusion, such as runwayml/stable-diffusion-v1-5.
For more details, please also have a look at the ๐งจ Diffusers docs.
ControlNet is a neural network structure to control diffusion models by adding extra conditions.

This checkpoint corresponds to the ControlNet conditioned on openpose images.
โจ Features
- Enhanced Control: ControlNet v1.1 allows for more precise control over diffusion models by adding extra conditions.
- Compatibility: It can be used in combination with Stable Diffusion models, such as runwayml/stable-diffusion-v1-5.
- Multiple Input Conditions: Supports various input conditions like edge maps, segmentation maps, keypoints, etc.
๐ฆ Installation
Install External Dependencies
If you want to process an image to create the auxiliary conditioning, external dependencies are required as shown below:
- Install https://github.com/patrickvonplaten/controlnet_aux
$ pip install controlnet_aux==0.3.0
- Install
diffusers
and related packages:
$ pip install diffusers transformers accelerate
๐ป Usage Examples
Basic Usage
It is recommended to use the checkpoint with Stable Diffusion v1-5 as the checkpoint has been trained on it. Experimentally, the checkpoint can be used with other diffusion models such as dreamboothed stable diffusion.
import torch
import os
from huggingface_hub import HfApi
from pathlib import Path
from diffusers.utils import load_image
from PIL import Image
import numpy as np
from controlnet_aux import OpenposeDetector
from diffusers import (
ControlNetModel,
StableDiffusionControlNetPipeline,
UniPCMultistepScheduler,
)
checkpoint = "lllyasviel/control_v11p_sd15_openpose"
image = load_image(
"https://huggingface.co/lllyasviel/control_v11p_sd15_openpose/resolve/main/images/input.png"
)
prompt = "chef in the kitchen"
processor = OpenposeDetector.from_pretrained('lllyasviel/ControlNet')
control_image = processor(image, hand_and_face=True)
control_image.save("./images/control.png")
controlnet = ControlNetModel.from_pretrained(checkpoint, torch_dtype=torch.float16)
pipe = StableDiffusionControlNetPipeline.from_pretrained(
"runwayml/stable-diffusion-v1-5", controlnet=controlnet, torch_dtype=torch.float16
)
pipe.scheduler = UniPCMultistepScheduler.from_config(pipe.scheduler.config)
pipe.enable_model_cpu_offload()
generator = torch.manual_seed(0)
image = pipe(prompt, num_inference_steps=30, generator=generator, image=control_image).images[0]
image.save('images/image_out.png')



๐ Documentation
Model Details
Introduction
ControlNet was proposed in Adding Conditional Control to Text-to-Image Diffusion Models by Lvmin Zhang, Maneesh Agrawala.
The abstract reads as follows:
We present a neural network structure, ControlNet, to control pretrained large diffusion models to support additional input conditions. The ControlNet learns task-specific conditions in an end-to-end way, and the learning is robust even when the training dataset is small (< 50k). Moreover, training a ControlNet is as fast as fine-tuning a diffusion model, and the model can be trained on a personal devices. Alternatively, if powerful computation clusters are available, the model can scale to large amounts (millions to billions) of data. We report that large diffusion models like Stable Diffusion can be augmented with ControlNets to enable conditional inputs like edge maps, segmentation maps, keypoints, etc. This may enrich the methods to control large diffusion models and further facilitate related applications.
Other released checkpoints v1-1
The authors released 14 different checkpoints, each trained with Stable Diffusion v1-5 on a different type of conditioning:
๐ License
The model is released under The CreativeML OpenRAIL M license, which is an Open RAIL M license, adapted from the work that BigScience and the RAIL Initiative are jointly carrying in the area of responsible AI licensing. See also the article about the BLOOM Open RAIL license on which our license is based.