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from PIL import Image
import numpy as np
import cv2
from face_parsing import FaceParsing
fp = FaceParsing()
def get_crop_box(box, expand):
x, y, x1, y1 = box
x_c, y_c = (x+x1)//2, (y+y1)//2
w, h = x1-x, y1-y
s = int(max(w, h)//2*expand)
crop_box = [x_c-s, y_c-s, x_c+s, y_c+s]
return crop_box, s
def face_seg(image):
seg_image = fp(image)
if seg_image is None:
print("error, no person_segment")
return None
seg_image = seg_image.resize(image.size)
return seg_image
def get_image(image,face,face_box,upper_boundary_ratio = 0.5,expand=1.2):
#print(image.shape)
#print(face.shape)
body = Image.fromarray(image[:,:,::-1])
face = Image.fromarray(face[:,:,::-1])
x, y, x1, y1 = face_box
#print(x1-x,y1-y)
crop_box, s = get_crop_box(face_box, expand)
x_s, y_s, x_e, y_e = crop_box
face_position = (x, y)
face_large = body.crop(crop_box)
ori_shape = face_large.size
mask_image = face_seg(face_large)
mask_small = mask_image.crop((x-x_s, y-y_s, x1-x_s, y1-y_s))
mask_image = Image.new('L', ori_shape, 0)
mask_image.paste(mask_small, (x-x_s, y-y_s, x1-x_s, y1-y_s))
# keep upper_boundary_ratio of talking area
width, height = mask_image.size
top_boundary = int(height * upper_boundary_ratio)
modified_mask_image = Image.new('L', ori_shape, 0)
modified_mask_image.paste(mask_image.crop((0, top_boundary, width, height)), (0, top_boundary))
blur_kernel_size = int(0.1 * ori_shape[0] // 2 * 2) + 1
mask_array = cv2.GaussianBlur(np.array(modified_mask_image), (blur_kernel_size, blur_kernel_size), 0)
mask_image = Image.fromarray(mask_array)
face_large.paste(face, (x-x_s, y-y_s, x1-x_s, y1-y_s))
body.paste(face_large, crop_box[:2], mask_image)
body = np.array(body)
return body[:,:,::-1]
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