mirror of
https://github.com/iperov/DeepFaceLab.git
synced 2025-07-06 04:52:13 -07:00
354 lines
13 KiB
Python
354 lines
13 KiB
Python
import colorsys
|
|
import cv2
|
|
import numpy as np
|
|
from enum import IntEnum
|
|
import mathlib
|
|
import imagelib
|
|
from imagelib import IEPolys
|
|
from mathlib.umeyama import umeyama
|
|
from facelib import FaceType
|
|
import math
|
|
|
|
mean_face_x = np.array([
|
|
0.000213256, 0.0752622, 0.18113, 0.29077, 0.393397, 0.586856, 0.689483, 0.799124,
|
|
0.904991, 0.98004, 0.490127, 0.490127, 0.490127, 0.490127, 0.36688, 0.426036,
|
|
0.490127, 0.554217, 0.613373, 0.121737, 0.187122, 0.265825, 0.334606, 0.260918,
|
|
0.182743, 0.645647, 0.714428, 0.793132, 0.858516, 0.79751, 0.719335, 0.254149,
|
|
0.340985, 0.428858, 0.490127, 0.551395, 0.639268, 0.726104, 0.642159, 0.556721,
|
|
0.490127, 0.423532, 0.338094, 0.290379, 0.428096, 0.490127, 0.552157, 0.689874,
|
|
0.553364, 0.490127, 0.42689 ])
|
|
|
|
mean_face_y = np.array([
|
|
0.106454, 0.038915, 0.0187482, 0.0344891, 0.0773906, 0.0773906, 0.0344891,
|
|
0.0187482, 0.038915, 0.106454, 0.203352, 0.307009, 0.409805, 0.515625, 0.587326,
|
|
0.609345, 0.628106, 0.609345, 0.587326, 0.216423, 0.178758, 0.179852, 0.231733,
|
|
0.245099, 0.244077, 0.231733, 0.179852, 0.178758, 0.216423, 0.244077, 0.245099,
|
|
0.780233, 0.745405, 0.727388, 0.742578, 0.727388, 0.745405, 0.780233, 0.864805,
|
|
0.902192, 0.909281, 0.902192, 0.864805, 0.784792, 0.778746, 0.785343, 0.778746,
|
|
0.784792, 0.824182, 0.831803, 0.824182 ])
|
|
|
|
landmarks_2D = np.stack( [ mean_face_x, mean_face_y ], axis=1 )
|
|
|
|
# 68 point landmark definitions
|
|
landmarks_68_pt = { "mouth": (48,68),
|
|
"right_eyebrow": (17, 22),
|
|
"left_eyebrow": (22, 27),
|
|
"right_eye": (36, 42),
|
|
"left_eye": (42, 48),
|
|
"nose": (27, 36), # missed one point
|
|
"jaw": (0, 17) }
|
|
|
|
|
|
landmarks_68_3D = np.array( [
|
|
[-73.393523 , -29.801432 , 47.667532 ],
|
|
[-72.775014 , -10.949766 , 45.909403 ],
|
|
[-70.533638 , 7.929818 , 44.842580 ],
|
|
[-66.850058 , 26.074280 , 43.141114 ],
|
|
[-59.790187 , 42.564390 , 38.635298 ],
|
|
[-48.368973 , 56.481080 , 30.750622 ],
|
|
[-34.121101 , 67.246992 , 18.456453 ],
|
|
[-17.875411 , 75.056892 , 3.609035 ],
|
|
[0.098749 , 77.061286 , -0.881698 ],
|
|
[17.477031 , 74.758448 , 5.181201 ],
|
|
[32.648966 , 66.929021 , 19.176563 ],
|
|
[46.372358 , 56.311389 , 30.770570 ],
|
|
[57.343480 , 42.419126 , 37.628629 ],
|
|
[64.388482 , 25.455880 , 40.886309 ],
|
|
[68.212038 , 6.990805 , 42.281449 ],
|
|
[70.486405 , -11.666193 , 44.142567 ],
|
|
[71.375822 , -30.365191 , 47.140426 ],
|
|
[-61.119406 , -49.361602 , 14.254422 ],
|
|
[-51.287588 , -58.769795 , 7.268147 ],
|
|
[-37.804800 , -61.996155 , 0.442051 ],
|
|
[-24.022754 , -61.033399 , -6.606501 ],
|
|
[-11.635713 , -56.686759 , -11.967398 ],
|
|
[12.056636 , -57.391033 , -12.051204 ],
|
|
[25.106256 , -61.902186 , -7.315098 ],
|
|
[38.338588 , -62.777713 , -1.022953 ],
|
|
[51.191007 , -59.302347 , 5.349435 ],
|
|
[60.053851 , -50.190255 , 11.615746 ],
|
|
[0.653940 , -42.193790 , -13.380835 ],
|
|
[0.804809 , -30.993721 , -21.150853 ],
|
|
[0.992204 , -19.944596 , -29.284036 ],
|
|
[1.226783 , -8.414541 , -36.948060 ],
|
|
[-14.772472 , 2.598255 , -20.132003 ],
|
|
[-7.180239 , 4.751589 , -23.536684 ],
|
|
[0.555920 , 6.562900 , -25.944448 ],
|
|
[8.272499 , 4.661005 , -23.695741 ],
|
|
[15.214351 , 2.643046 , -20.858157 ],
|
|
[-46.047290 , -37.471411 , 7.037989 ],
|
|
[-37.674688 , -42.730510 , 3.021217 ],
|
|
[-27.883856 , -42.711517 , 1.353629 ],
|
|
[-19.648268 , -36.754742 , -0.111088 ],
|
|
[-28.272965 , -35.134493 , -0.147273 ],
|
|
[-38.082418 , -34.919043 , 1.476612 ],
|
|
[19.265868 , -37.032306 , -0.665746 ],
|
|
[27.894191 , -43.342445 , 0.247660 ],
|
|
[37.437529 , -43.110822 , 1.696435 ],
|
|
[45.170805 , -38.086515 , 4.894163 ],
|
|
[38.196454 , -35.532024 , 0.282961 ],
|
|
[28.764989 , -35.484289 , -1.172675 ],
|
|
[-28.916267 , 28.612716 , -2.240310 ],
|
|
[-17.533194 , 22.172187 , -15.934335 ],
|
|
[-6.684590 , 19.029051 , -22.611355 ],
|
|
[0.381001 , 20.721118 , -23.748437 ],
|
|
[8.375443 , 19.035460 , -22.721995 ],
|
|
[18.876618 , 22.394109 , -15.610679 ],
|
|
[28.794412 , 28.079924 , -3.217393 ],
|
|
[19.057574 , 36.298248 , -14.987997 ],
|
|
[8.956375 , 39.634575 , -22.554245 ],
|
|
[0.381549 , 40.395647 , -23.591626 ],
|
|
[-7.428895 , 39.836405 , -22.406106 ],
|
|
[-18.160634 , 36.677899 , -15.121907 ],
|
|
[-24.377490 , 28.677771 , -4.785684 ],
|
|
[-6.897633 , 25.475976 , -20.893742 ],
|
|
[0.340663 , 26.014269 , -22.220479 ],
|
|
[8.444722 , 25.326198 , -21.025520 ],
|
|
[24.474473 , 28.323008 , -5.712776 ],
|
|
[8.449166 , 30.596216 , -20.671489 ],
|
|
[0.205322 , 31.408738 , -21.903670 ],
|
|
[-7.198266 , 30.844876 , -20.328022 ] ], dtype=np.float32)
|
|
|
|
def get_transform_mat (image_landmarks, output_size, face_type, scale=1.0):
|
|
if not isinstance(image_landmarks, np.ndarray):
|
|
image_landmarks = np.array (image_landmarks)
|
|
|
|
if face_type == FaceType.AVATAR:
|
|
centroid = np.mean (image_landmarks, axis=0)
|
|
|
|
mat = umeyama(image_landmarks[17:], landmarks_2D, True)[0:2]
|
|
a, c = mat[0,0], mat[1,0]
|
|
scale = math.sqrt((a * a) + (c * c))
|
|
|
|
padding = (output_size / 64) * 32
|
|
|
|
mat = np.eye ( 2,3 )
|
|
mat[0,2] = -centroid[0]
|
|
mat[1,2] = -centroid[1]
|
|
mat = mat * scale * (output_size / 3)
|
|
mat[:,2] += output_size / 2
|
|
else:
|
|
if face_type == FaceType.HALF:
|
|
padding = 0
|
|
elif face_type == FaceType.FULL:
|
|
padding = (output_size / 64) * 12
|
|
elif face_type == FaceType.HEAD:
|
|
padding = (output_size / 64) * 24
|
|
else:
|
|
raise ValueError ('wrong face_type: ', face_type)
|
|
|
|
mat = umeyama(image_landmarks[17:], landmarks_2D, True)[0:2]
|
|
mat = mat * (output_size - 2 * padding)
|
|
mat[:,2] += padding
|
|
mat *= (1 / scale)
|
|
mat[:,2] += -output_size*( ( (1 / scale) - 1.0 ) / 2 )
|
|
|
|
return mat
|
|
|
|
def transform_points(points, mat, invert=False):
|
|
if invert:
|
|
mat = cv2.invertAffineTransform (mat)
|
|
points = np.expand_dims(points, axis=1)
|
|
points = cv2.transform(points, mat, points.shape)
|
|
points = np.squeeze(points)
|
|
return points
|
|
|
|
|
|
def get_image_hull_mask (image_shape, image_landmarks, ie_polys=None):
|
|
if len(image_landmarks) != 68:
|
|
raise Exception('get_image_hull_mask works only with 68 landmarks')
|
|
int_lmrks = np.array(image_landmarks, dtype=np.int)
|
|
|
|
hull_mask = np.zeros(image_shape[0:2]+(1,),dtype=np.float32)
|
|
|
|
cv2.fillConvexPoly( hull_mask, cv2.convexHull(
|
|
np.concatenate ( (int_lmrks[0:9],
|
|
int_lmrks[17:18]))) , (1,) )
|
|
|
|
cv2.fillConvexPoly( hull_mask, cv2.convexHull(
|
|
np.concatenate ( (int_lmrks[8:17],
|
|
int_lmrks[26:27]))) , (1,) )
|
|
|
|
cv2.fillConvexPoly( hull_mask, cv2.convexHull(
|
|
np.concatenate ( (int_lmrks[17:20],
|
|
int_lmrks[8:9]))) , (1,) )
|
|
|
|
cv2.fillConvexPoly( hull_mask, cv2.convexHull(
|
|
np.concatenate ( (int_lmrks[24:27],
|
|
int_lmrks[8:9]))) , (1,) )
|
|
|
|
cv2.fillConvexPoly( hull_mask, cv2.convexHull(
|
|
np.concatenate ( (int_lmrks[19:25],
|
|
int_lmrks[8:9],
|
|
))) , (1,) )
|
|
|
|
cv2.fillConvexPoly( hull_mask, cv2.convexHull(
|
|
np.concatenate ( (int_lmrks[17:22],
|
|
int_lmrks[27:28],
|
|
int_lmrks[31:36],
|
|
int_lmrks[8:9]
|
|
))) , (1,) )
|
|
|
|
cv2.fillConvexPoly( hull_mask, cv2.convexHull(
|
|
np.concatenate ( (int_lmrks[22:27],
|
|
int_lmrks[27:28],
|
|
int_lmrks[31:36],
|
|
int_lmrks[8:9]
|
|
))) , (1,) )
|
|
|
|
#nose
|
|
cv2.fillConvexPoly( hull_mask, cv2.convexHull(int_lmrks[27:36]), (1,) )
|
|
|
|
if ie_polys is not None:
|
|
ie_polys.overlay_mask(hull_mask)
|
|
|
|
return hull_mask
|
|
|
|
def get_image_eye_mask (image_shape, image_landmarks):
|
|
if len(image_landmarks) != 68:
|
|
raise Exception('get_image_eye_mask works only with 68 landmarks')
|
|
|
|
hull_mask = np.zeros(image_shape[0:2]+(1,),dtype=np.float32)
|
|
|
|
cv2.fillConvexPoly( hull_mask, cv2.convexHull( image_landmarks[36:42]), (1,) )
|
|
cv2.fillConvexPoly( hull_mask, cv2.convexHull( image_landmarks[42:48]), (1,) )
|
|
|
|
return hull_mask
|
|
|
|
def blur_image_hull_mask (hull_mask):
|
|
|
|
maxregion = np.argwhere(hull_mask==1.0)
|
|
miny,minx = maxregion.min(axis=0)[:2]
|
|
maxy,maxx = maxregion.max(axis=0)[:2]
|
|
lenx = maxx - minx;
|
|
leny = maxy - miny;
|
|
masky = int(minx+(lenx//2))
|
|
maskx = int(miny+(leny//2))
|
|
lowest_len = min (lenx, leny)
|
|
ero = int( lowest_len * 0.085 )
|
|
blur = int( lowest_len * 0.10 )
|
|
|
|
hull_mask = cv2.erode(hull_mask, cv2.getStructuringElement(cv2.MORPH_ELLIPSE,(ero,ero)), iterations = 1 )
|
|
hull_mask = cv2.blur(hull_mask, (blur, blur) )
|
|
hull_mask = np.expand_dims (hull_mask,-1)
|
|
|
|
return hull_mask
|
|
|
|
mirror_idxs = [
|
|
[0,16],
|
|
[1,15],
|
|
[2,14],
|
|
[3,13],
|
|
[4,12],
|
|
[5,11],
|
|
[6,10],
|
|
[7,9],
|
|
|
|
[17,26],
|
|
[18,25],
|
|
[19,24],
|
|
[20,23],
|
|
[21,22],
|
|
|
|
[36,45],
|
|
[37,44],
|
|
[38,43],
|
|
[39,42],
|
|
[40,47],
|
|
[41,46],
|
|
|
|
[31,35],
|
|
[32,34],
|
|
|
|
[50,52],
|
|
[49,53],
|
|
[48,54],
|
|
[59,55],
|
|
[58,56],
|
|
[67,65],
|
|
[60,64],
|
|
[61,63] ]
|
|
|
|
def mirror_landmarks (landmarks, val):
|
|
result = landmarks.copy()
|
|
|
|
for idx in mirror_idxs:
|
|
result [ idx ] = result [ idx[::-1] ]
|
|
|
|
result[:,0] = val - result[:,0] - 1
|
|
return result
|
|
|
|
def draw_landmarks (image, image_landmarks, color=(0,255,0), transparent_mask=False, ie_polys=None):
|
|
if len(image_landmarks) != 68:
|
|
raise Exception('get_image_eye_mask works only with 68 landmarks')
|
|
|
|
int_lmrks = np.array(image_landmarks, dtype=np.int)
|
|
|
|
jaw = int_lmrks[slice(*landmarks_68_pt["jaw"])]
|
|
right_eyebrow = int_lmrks[slice(*landmarks_68_pt["right_eyebrow"])]
|
|
left_eyebrow = int_lmrks[slice(*landmarks_68_pt["left_eyebrow"])]
|
|
mouth = int_lmrks[slice(*landmarks_68_pt["mouth"])]
|
|
right_eye = int_lmrks[slice(*landmarks_68_pt["right_eye"])]
|
|
left_eye = int_lmrks[slice(*landmarks_68_pt["left_eye"])]
|
|
nose = int_lmrks[slice(*landmarks_68_pt["nose"])]
|
|
|
|
# open shapes
|
|
cv2.polylines(image, tuple(np.array([v]) for v in ( right_eyebrow, jaw, left_eyebrow, np.concatenate((nose, [nose[-6]])) )),
|
|
False, color, lineType=cv2.LINE_AA)
|
|
# closed shapes
|
|
cv2.polylines(image, tuple(np.array([v]) for v in (right_eye, left_eye, mouth)),
|
|
True, color, lineType=cv2.LINE_AA)
|
|
# the rest of the cicles
|
|
for x, y in np.concatenate((right_eyebrow, left_eyebrow, mouth, right_eye, left_eye, nose), axis=0):
|
|
cv2.circle(image, (x, y), 1, color, 1, lineType=cv2.LINE_AA)
|
|
# jaw big circles
|
|
for x, y in jaw:
|
|
cv2.circle(image, (x, y), 2, color, lineType=cv2.LINE_AA)
|
|
|
|
if transparent_mask:
|
|
mask = get_image_hull_mask (image.shape, image_landmarks, ie_polys)
|
|
image[...] = ( image * (1-mask) + image * mask / 2 )[...]
|
|
|
|
def draw_rect_landmarks (image, rect, image_landmarks, face_size, face_type, transparent_mask=False, ie_polys=None, landmarks_color=(0,255,0) ):
|
|
draw_landmarks(image, image_landmarks, color=landmarks_color, transparent_mask=transparent_mask, ie_polys=ie_polys)
|
|
imagelib.draw_rect (image, rect, (255,0,0), 2 )
|
|
|
|
image_to_face_mat = get_transform_mat (image_landmarks, face_size, face_type)
|
|
points = transform_points ( [ (0,0), (0,face_size-1), (face_size-1, face_size-1), (face_size-1,0) ], image_to_face_mat, True)
|
|
imagelib.draw_polygon (image, points, (0,0,255), 2)
|
|
|
|
def calc_face_pitch(landmarks):
|
|
if not isinstance(landmarks, np.ndarray):
|
|
landmarks = np.array (landmarks)
|
|
t = ( (landmarks[6][1]-landmarks[8][1]) + (landmarks[10][1]-landmarks[8][1]) ) / 2.0
|
|
b = landmarks[8][1]
|
|
return float(b-t)
|
|
|
|
def calc_face_yaw(landmarks):
|
|
if not isinstance(landmarks, np.ndarray):
|
|
landmarks = np.array (landmarks)
|
|
l = ( (landmarks[27][0]-landmarks[0][0]) + (landmarks[28][0]-landmarks[1][0]) + (landmarks[29][0]-landmarks[2][0]) ) / 3.0
|
|
r = ( (landmarks[16][0]-landmarks[27][0]) + (landmarks[15][0]-landmarks[28][0]) + (landmarks[14][0]-landmarks[29][0]) ) / 3.0
|
|
return float(r-l)
|
|
|
|
#returns pitch,yaw [-1...+1]
|
|
def estimate_pitch_yaw_roll(aligned_256px_landmarks):
|
|
shape = (256,256)
|
|
focal_length = shape[1]
|
|
camera_center = (shape[1] / 2, shape[0] / 2)
|
|
camera_matrix = np.array(
|
|
[[focal_length, 0, camera_center[0]],
|
|
[0, focal_length, camera_center[1]],
|
|
[0, 0, 1]], dtype=np.float32)
|
|
|
|
(_, rotation_vector, translation_vector) = cv2.solvePnP(
|
|
landmarks_68_3D,
|
|
aligned_256px_landmarks.astype(np.float32),
|
|
camera_matrix,
|
|
np.zeros((4, 1)) )
|
|
|
|
pitch, yaw, roll = mathlib.rotationMatrixToEulerAngles( cv2.Rodrigues(rotation_vector)[0] )
|
|
pitch = np.clip ( pitch*1.25, -1.0, 1.0 )
|
|
yaw = np.clip ( yaw*1.25, -1.0, 1.0 )
|
|
roll = np.clip ( roll*1.25, -1.0, 1.0 )
|
|
return pitch, yaw, roll
|