import os os.system("git clone https://github.com/bryandlee/animegan2-pytorch") os.system("gdown https://drive.google.com/uc?id=1WK5Mdt6mwlcsqCZMHkCUSDJxN1UyFi0-") os.system("gdown https://drive.google.com/uc?id=18H3iK09_d54qEDoWIc82SyWB2xun4gjU") import sys sys.path.append("animegan2-pytorch") import torch torch.set_grad_enabled(False) from model import Generator device = "cpu" model = Generator().eval().to(device) model.load_state_dict(torch.load("face_paint_512_v2_0.pt")) from PIL import Image from torchvision.transforms.functional import to_tensor, to_pil_image def face2paint( img: Image.Image, size: int, side_by_side: bool = True, ) -> Image.Image: w, h = img.size s = min(w, h) img = img.crop(((w - s) // 2, (h - s) // 2, (w + s) // 2, (h + s) // 2)) img = img.resize((size, size), Image.LANCZOS) input = to_tensor(img).unsqueeze(0) * 2 - 1 output = model(input.to(device)).cpu()[0] if side_by_side: output = torch.cat([input[0], output], dim=2) output = (output * 0.5 + 0.5).clip(0, 1) return to_pil_image(output) #@title Face Detector & FFHQ-style Alignment # https://github.com/woctezuma/stylegan2-projecting-images import os import dlib import collections from typing import Union, List import numpy as np from PIL import Image def get_dlib_face_detector(predictor_path: str = "shape_predictor_68_face_landmarks.dat"): if not os.path.isfile(predictor_path): model_file = "shape_predictor_68_face_landmarks.dat.bz2" os.system(f"wget http://dlib.net/files/{model_file}") os.system(f"bzip2 -dk {model_file}") detector = dlib.get_frontal_face_detector() shape_predictor = dlib.shape_predictor(predictor_path) def detect_face_landmarks(img: Union[Image.Image, np.ndarray]): if isinstance(img, Image.Image): img = np.array(img) faces = [] dets = detector(img) for d in dets: shape = shape_predictor(img, d) faces.append(np.array([[v.x, v.y] for v in shape.parts()])) return faces return detect_face_landmarks def display_facial_landmarks( img: Image, landmarks: List[np.ndarray], fig_size=[15, 15] ): plot_style = dict( marker='o', markersize=4, linestyle='-', lw=2 ) pred_type = collections.namedtuple('prediction_type', ['slice', 'color']) pred_types = { 'face': pred_type(slice(0, 17), (0.682, 0.780, 0.909, 0.5)), 'eyebrow1': pred_type(slice(17, 22), (1.0, 0.498, 0.055, 0.4)), 'eyebrow2': pred_type(slice(22, 27), (1.0, 0.498, 0.055, 0.4)), 'nose': pred_type(slice(27, 31), (0.345, 0.239, 0.443, 0.4)), 'nostril': pred_type(slice(31, 36), (0.345, 0.239, 0.443, 0.4)), 'eye1': pred_type(slice(36, 42), (0.596, 0.875, 0.541, 0.3)), 'eye2': pred_type(slice(42, 48), (0.596, 0.875, 0.541, 0.3)), 'lips': pred_type(slice(48, 60), (0.596, 0.875, 0.541, 0.3)), 'teeth': pred_type(slice(60, 68), (0.596, 0.875, 0.541, 0.4)) } for face in landmarks: for pred_type in pred_types.values(): ax.plot( face[pred_type.slice, 0], face[pred_type.slice, 1], color=pred_type.color, **plot_style ) import PIL.Image import PIL.ImageFile import numpy as np import scipy.ndimage def align_and_crop_face( img: Image.Image, landmarks: np.ndarray, expand: float = 1.0, output_size: int = 1024, transform_size: int = 4096, enable_padding: bool = True, ): # Parse landmarks. # pylint: disable=unused-variable lm = landmarks lm_chin = lm[0 : 17] # left-right lm_eyebrow_left = lm[17 : 22] # left-right lm_eyebrow_right = lm[22 : 27] # left-right lm_nose = lm[27 : 31] # top-down lm_nostrils = lm[31 : 36] # top-down lm_eye_left = lm[36 : 42] # left-clockwise lm_eye_right = lm[42 : 48] # left-clockwise lm_mouth_outer = lm[48 : 60] # left-clockwise lm_mouth_inner = lm[60 : 68] # left-clockwise # Calculate auxiliary vectors. eye_left = np.mean(lm_eye_left, axis=0) eye_right = np.mean(lm_eye_right, axis=0) eye_avg = (eye_left + eye_right) * 0.5 eye_to_eye = eye_right - eye_left mouth_left = lm_mouth_outer[0] mouth_right = lm_mouth_outer[6] mouth_avg = (mouth_left + mouth_right) * 0.5 eye_to_mouth = mouth_avg - eye_avg # Choose oriented crop rectangle. x = eye_to_eye - np.flipud(eye_to_mouth) * [-1, 1] x /= np.hypot(*x) x *= max(np.hypot(*eye_to_eye) * 2.0, np.hypot(*eye_to_mouth) * 1.8) x *= expand y = np.flipud(x) * [-1, 1] c = eye_avg + eye_to_mouth * 0.1 quad = np.stack([c - x - y, c - x + y, c + x + y, c + x - y]) qsize = np.hypot(*x) * 2 # Shrink. shrink = int(np.floor(qsize / output_size * 0.5)) if shrink > 1: rsize = (int(np.rint(float(img.size[0]) / shrink)), int(np.rint(float(img.size[1]) / shrink))) img = img.resize(rsize, PIL.Image.ANTIALIAS) quad /= shrink qsize /= shrink # Crop. border = max(int(np.rint(qsize * 0.1)), 3) crop = (int(np.floor(min(quad[:,0]))), int(np.floor(min(quad[:,1]))), int(np.ceil(max(quad[:,0]))), int(np.ceil(max(quad[:,1])))) crop = (max(crop[0] - border, 0), max(crop[1] - border, 0), min(crop[2] + border, img.size[0]), min(crop[3] + border, img.size[1])) if crop[2] - crop[0] < img.size[0] or crop[3] - crop[1] < img.size[1]: img = img.crop(crop) quad -= crop[0:2] # Pad. pad = (int(np.floor(min(quad[:,0]))), int(np.floor(min(quad[:,1]))), int(np.ceil(max(quad[:,0]))), int(np.ceil(max(quad[:,1])))) pad = (max(-pad[0] + border, 0), max(-pad[1] + border, 0), max(pad[2] - img.size[0] + border, 0), max(pad[3] - img.size[1] + border, 0)) if enable_padding and max(pad) > border - 4: pad = np.maximum(pad, int(np.rint(qsize * 0.3))) img = np.pad(np.float32(img), ((pad[1], pad[3]), (pad[0], pad[2]), (0, 0)), 'reflect') h, w, _ = img.shape y, x, _ = np.ogrid[:h, :w, :1] mask = np.maximum(1.0 - np.minimum(np.float32(x) / pad[0], np.float32(w-1-x) / pad[2]), 1.0 - np.minimum(np.float32(y) / pad[1], np.float32(h-1-y) / pad[3])) blur = qsize * 0.02 img += (scipy.ndimage.gaussian_filter(img, [blur, blur, 0]) - img) * np.clip(mask * 3.0 + 1.0, 0.0, 1.0) img += (np.median(img, axis=(0,1)) - img) * np.clip(mask, 0.0, 1.0) img = PIL.Image.fromarray(np.uint8(np.clip(np.rint(img), 0, 255)), 'RGB') quad += pad[:2] # Transform. img = img.transform((transform_size, transform_size), PIL.Image.QUAD, (quad + 0.5).flatten(), PIL.Image.BILINEAR) if output_size < transform_size: img = img.resize((output_size, output_size), PIL.Image.ANTIALIAS) return img import requests def inference(image): img = image face_detector = get_dlib_face_detector() landmarks = face_detector(img) display_facial_landmarks(img, landmarks, fig_size=[5, 5]) for landmark in landmarks: face = align_and_crop_face(img, landmark, expand=1.3) out = face2paint(face, 512) return out iface = gr.Interface(inference, "image", "image") iface.launch()