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inference_pmv2_t2i_adapter.py
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inference_pmv2_t2i_adapter.py
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# !pip install opencv-python transformers accelerate
import os
import sys
import numpy as np
import torch
from diffusers.utils import load_image
from diffusers import EulerDiscreteScheduler, T2IAdapter
from huggingface_hub import hf_hub_download
from controlnet_aux import OpenposeDetector
from photomaker import PhotoMakerStableDiffusionXLAdapterPipeline
from photomaker import FaceAnalysis2, analyze_faces
face_detector = FaceAnalysis2(providers=['CUDAExecutionProvider'], allowed_modules=['detection', 'recognition'])
face_detector.prepare(ctx_id=0, det_size=(640, 640))
try:
if torch.cuda.is_available():
device = "cuda"
elif sys.platform == "darwin" and torch.backends.mps.is_available():
device = "mps"
else:
device = "cpu"
except:
device = "cpu"
torch_dtype = torch.bfloat16 if torch.cuda.is_bf16_supported() else torch.float16
if device == "mps":
torch_dtype = torch.float16
output_dir = "./outputs"
os.makedirs(output_dir, exist_ok=True)
photomaker_ckpt = hf_hub_download(repo_id="TencentARC/PhotoMaker-V2", filename="photomaker-v2.bin", repo_type="model")
openpose = OpenposeDetector.from_pretrained("lllyasviel/ControlNet")
# load adapter
adapter = T2IAdapter.from_pretrained(
"TencentARC/t2i-adapter-openpose-sdxl-1.0", torch_dtype=torch_dtype,
).to("cuda")
prompt = "instagram photo, a photo of a woman img, colorful, perfect face, natural skin, hard shadows, film grain, best quality"
negative_prompt = "(asymmetry, worst quality, low quality, illustration, 3d, 2d, painting, cartoons, sketch), open mouth"
# download an image
pose_image = load_image(
"./examples/pos_ref.png"
)
pose_image = openpose(pose_image, detect_resolution=512, image_resolution=1024)
# initialize the models and pipeline
adapter_conditioning_scale = 0.8 # recommended for good generalization
adapter_conditioning_factor = 0.8
### Load base model
pipe = PhotoMakerStableDiffusionXLAdapterPipeline.from_pretrained(
"SG161222/RealVisXL_V4.0",
adapter=adapter,
torch_dtype=torch_dtype,
).to("cuda")
### Load PhotoMaker checkpoint
pipe.load_photomaker_adapter(
os.path.dirname(photomaker_ckpt),
subfolder="",
weight_name=os.path.basename(photomaker_ckpt),
trigger_word="img" # define the trigger word
)
### Also can cooperate with other LoRA modules
# pipe.load_lora_weights(os.path.dirname(lora_path), weight_name=lora_model_name, adapter_name="lcm-lora")
# pipe.set_adapters(["photomaker", "lcm-lora"], adapter_weights=[1.0, 0.5])
pipe.fuse_lora()
pipe.scheduler = EulerDiscreteScheduler.from_config(pipe.scheduler.config)
pipe.enable_model_cpu_offload()
### define the input ID images
input_folder_name = './examples/scarletthead_woman'
image_basename_list = os.listdir(input_folder_name)
image_path_list = sorted([os.path.join(input_folder_name, basename) for basename in image_basename_list])
input_id_images = []
for image_path in image_path_list:
input_id_images.append(load_image(image_path))
id_embed_list = []
for img in input_id_images:
img = np.array(img)
img = img[:, :, ::-1]
faces = analyze_faces(face_detector, img)
if len(faces) > 0:
id_embed_list.append(torch.from_numpy((faces[0]['embedding'])))
if len(id_embed_list) == 0:
raise ValueError(f"No face detected in input image pool")
id_embeds = torch.stack(id_embed_list)
# generate image
images = pipe(
prompt,
negative_prompt=negative_prompt,
input_id_images=input_id_images,
id_embeds=id_embeds,
adapter_conditioning_scale=adapter_conditioning_scale,
image=pose_image,
num_images_per_prompt=2,
start_merge_step=10,
).images
for idx, img in enumerate(images):
img.save(os.path.join(output_dir, f"output_pmv2_t2ia_{idx}.jpg"))