Files
2024-11-20 08:43:43 +08:00

202 lines
6.5 KiB
Python

# !/usr/bin/env python
# -*- coding: UTF-8 -*-
import os
import torch
from PIL import Image
import numpy as np
import cv2
from huggingface_hub import hf_hub_download
from comfy.utils import common_upscale,ProgressBar
from .utils.extractor import extract_faces
from .utils.merger import paste_foreground_onto_background
weight_dtype = torch.float16
cur_path = os.path.dirname(os.path.abspath(__file__))
device = "cuda" if torch.cuda.is_available() else "mps" if torch.backends.mps.is_available() else "cpu"
def anonymize_faces_in_image(
image,
face_alignment,
pipe,
generator: torch.Generator = None,
face_image_size: int = 512,
num_inference_steps: int = 50,
guidance_scale: float = 4,
anonymization_degree: float = 1.25,
image_emb=None,
cond_imag_emb=None,
) -> Image:
face_images, image_to_face_matrices = extract_faces(
face_alignment, image, face_image_size
)
anon_image = image
for face_image, image_to_face_mat in zip(face_images, image_to_face_matrices):
# generate an image that anonymizes faces
anon_face_image = pipe(
source_image=face_image,
conditioning_image=face_image,
num_inference_steps=num_inference_steps,
guidance_scale=guidance_scale,
generator=generator,
anonymization_degree=anonymization_degree,
image_emb=image_emb,
cond_imag_emb=cond_imag_emb
).images[0]
anon_image = paste_foreground_onto_background(
anon_face_image, anon_image, image_to_face_mat
)
return anon_image
def download_weights(file_dir,repo_id,subfolder="",pt_name=""):
if subfolder:
file_path = os.path.join(file_dir,subfolder, pt_name)
sub_dir=os.path.join(file_dir,subfolder)
if not os.path.exists(sub_dir):
os.makedirs(sub_dir)
if not os.path.exists(file_path):
hf_hub_download(
repo_id=repo_id,
subfolder=subfolder,
filename=pt_name,
local_dir = file_dir,
)
return file_path
else:
file_path = os.path.join(file_dir, pt_name)
if not os.path.exists(file_dir):
os.makedirs(file_dir)
if not os.path.exists(file_path):
hf_hub_download(
repo_id=repo_id,
filename=pt_name,
local_dir=file_dir,
)
return file_path
def pil2narry(img):
img = torch.from_numpy(np.array(img).astype(np.float32) / 255.0).unsqueeze(0)
return img
def tensor_to_pil(tensor):
image_np = tensor.squeeze().mul(255).clamp(0, 255).byte().numpy()
image = Image.fromarray(image_np, mode='RGB')
return image
def nomarl_upscale(img_tensor, width, height):
samples = img_tensor.movedim(-1, 1)
img = common_upscale(samples, width, height, "nearest-exact", "center")
samples = img.movedim(1, -1)
img_pil = tensor_to_pil(samples)
return img_pil
def cf_tensor2cv(tensor,width, height):
d1, _, _, _ = tensor.size()
if d1 > 1:
tensor_list = list(torch.chunk(tensor, chunks=d1))
tensor = [tensor_list][0]
cr_tensor=tensor_upscale(tensor,width, height)
cv_img=tensor2cv(cr_tensor)
return cv_img
def tensor_upscale(img_tensor, width, height):
samples = img_tensor.movedim(-1, 1)
img = common_upscale(samples, width, height, "nearest-exact", "center")
samples = img.movedim(1, -1)
return samples
def tensor2cv(tensor_image):
if len(tensor_image.shape)==4:# b hwc to hwc
tensor_image=tensor_image.squeeze(0)
if tensor_image.is_cuda:
tensor_image = tensor_image.cpu()
tensor_image=tensor_image.numpy()
#反归一化
maxValue=tensor_image.max()
tensor_image=tensor_image*255/maxValue
img_cv2=np.uint8(tensor_image)#32 to uint8
img_cv2=cv2.cvtColor(img_cv2,cv2.COLOR_RGB2BGR)
return img_cv2
def cvargb2tensor(img):
assert type(img) == np.ndarray, 'the img type is {}, but ndarry expected'.format(type(img))
img = torch.from_numpy(img.transpose((2, 0, 1)))
return img.float().div(255).unsqueeze(0) # 255也可以改为256
def cv2tensor(img):
assert type(img) == np.ndarray, 'the img type is {}, but ndarry expected'.format(type(img))
img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
img = torch.from_numpy(img.transpose((2, 0, 1)))
return img.float().div(255).unsqueeze(0) # 255也可以改为256
def images_generator(img_list: list,):
#get img size
sizes = {}
for image_ in img_list:
if isinstance(image_,Image.Image):
count = sizes.get(image_.size, 0)
sizes[image_.size] = count + 1
elif isinstance(image_,np.ndarray):
count = sizes.get(image_.shape[:2][::-1], 0)
sizes[image_.shape[:2][::-1]] = count + 1
else:
raise "unsupport image list,must be pil or cv2!!!"
size = max(sizes.items(), key=lambda x: x[1])[0]
yield size[0], size[1]
# any to tensor
def load_image(img_in):
if isinstance(img_in, Image.Image):
img_in=img_in.convert("RGB")
i = np.array(img_in, dtype=np.float32)
i = torch.from_numpy(i).div_(255)
if i.shape[0] != size[1] or i.shape[1] != size[0]:
i = torch.from_numpy(i).movedim(-1, 0).unsqueeze(0)
i = common_upscale(i, size[0], size[1], "lanczos", "center")
i = i.squeeze(0).movedim(0, -1).numpy()
return i
elif isinstance(img_in,np.ndarray):
i=cv2.cvtColor(img_in,cv2.COLOR_BGR2RGB).astype(np.float32)
i = torch.from_numpy(i).div_(255)
#print(i.shape)
return i
else:
raise "unsupport image list,must be pil,cv2 or tensor!!!"
total_images = len(img_list)
processed_images = 0
pbar = ProgressBar(total_images)
images = map(load_image, img_list)
try:
prev_image = next(images)
while True:
next_image = next(images)
yield prev_image
processed_images += 1
pbar.update_absolute(processed_images, total_images)
prev_image = next_image
except StopIteration:
pass
if prev_image is not None:
yield prev_image
def load_images_list(img_list: list,):
gen = images_generator(img_list)
(width, height) = next(gen)
images = torch.from_numpy(np.fromiter(gen, np.dtype((np.float32, (height, width, 3)))))
if len(images) == 0:
raise FileNotFoundError(f"No images could be loaded .")
return images