controlnet_normal

Generate a normal map from a photograph or basecolor (albedo) map.

Usage

import argparse

from PIL import Image
from diffusers import StableDiffusionControlNetPipeline, ControlNetModel, UniPCMultistepScheduler
from diffusers.utils import load_image
import torch

parser = argparse.ArgumentParser(description="Args for parser")
parser.add_argument("--seed", type=int, default=1, help="Seed for inference")
args = parser.parse_args()

base_model_path = "stabilityai/stable-diffusion-2-1-base"
controlnet_path = "sidnarsipur/controlnet_normal"

controlnet = ControlNetModel.from_pretrained(controlnet_path, torch_dtype=torch.float16)
pipe = StableDiffusionControlNetPipeline.from_pretrained(
    base_model_path, controlnet=controlnet, torch_dtype=torch.float16
)

pipe.scheduler = UniPCMultistepScheduler.from_config(pipe.scheduler.config)
pipe.enable_xformers_memory_efficient_attention()
pipe.enable_model_cpu_offload()

control_image = load_image("inference/basecolor.png") #Change based on your image path
prompt = "Normal Map" #Don't change!

if control_image.size[0] > 2048 or control_image.size[1] > 2048: #Optional
    control_image = control_image.resize((control_image.size[0] // 2, control_image.size[1] // 2))

generator = torch.manual_seed(args.seed)

image = pipe(
    prompt, num_inference_steps=50, generator=generator, image=control_image
).images[0]
image.save("inference/normal.png")