def process_one_frame(frame):
if frame is None: print("No frame, check your camera")
img_ori = frame
img_fp = "camera.png" # 随便给一个filename 反正之后用不到
rects = face_detector(img_ori, 1)
pts_res = []
Ps = [] # Camera matrix collection
poses = [] # pose collection, [todo: validate it]
vertices_lst = [] # store multiple face vertices
ind = 0
suffix = get_suffix(img_fp)
for i in range(len(rects)):
if i != 0: break # 这里只检测第一个脸
rect = rects[i]
# whether use dlib landmark to crop image, if not, use only face bbox to calc roi bbox for cropping
# - use landmark for cropping
pts = face_regressor(img_ori, rect).parts()
pts = np.array([[pt.x, pt.y] for pt in pts]).T
roi_box = parse_roi_box_from_landmark(pts)
img = crop_img(img_ori, roi_box)
# forward: one step
img = cv2.resize(img,
dsize=(STD_SIZE, STD_SIZE),
interpolation=cv2.INTER_LINEAR)
input = transform(img).unsqueeze(0)
with torch.no_grad():
if use_gpu:
input = input.cuda()
param = model(input)
param = param.squeeze().cpu().numpy().flatten().astype(
np.float32)
# 68 pts
pts68 = predict_68pts(param, roi_box)
# two-step for more accurate bbox to crop face
if use_two_step_bbox_init:
roi_box = parse_roi_box_from_landmark(pts68)
img_step2 = crop_img(img_ori, roi_box)
img_step2 = cv2.resize(img_step2,
dsize=(STD_SIZE, STD_SIZE),
interpolation=cv2.INTER_LINEAR)
input = transform(img_step2).unsqueeze(0)
with torch.no_grad():
if use_gpu:
input = input.cuda()
param = model(input)
param = param.squeeze().cpu().numpy().flatten().astype(
np.float32)
pts68 = predict_68pts(param, roi_box)
pts_res.append(pts68)
P, pose = parse_pose(param)
Ps.append(P)
poses.append(pose)
# dense face 3d vertices
vertices = predict_dense(param, roi_box)
vertices_lst.append(vertices)
if is_dump_to_ply:
dump_to_ply(
vertices, tri,
'{}_{}.ply'.format(img_fp.replace(suffix, ''), ind))
if is_dump_vertex:
dump_vertex(
vertices, '{}_{}.mat'.format(img_fp.replace(suffix, ''),
ind))
if is_dump_pts:
wfp = '{}_{}.txt'.format(img_fp.replace(suffix, ''), ind)
np.savetxt(wfp, pts68, fmt='%.3f')
print('Save 68 3d landmarks to {}'.format(wfp))
if is_dump_roi_box:
wfp = '{}_{}.roibox'.format(img_fp.replace(suffix, ''), ind)
np.savetxt(wfp, roi_box, fmt='%.3f')
print('Save roi box to {}'.format(wfp))
if is_dump_paf:
wfp_paf = '{}_{}_paf.jpg'.format(img_fp.replace(suffix, ''),
ind)
wfp_crop = '{}_{}_crop.jpg'.format(img_fp.replace(suffix, ''),
ind)
paf_feature = gen_img_paf(img_crop=img,
param=param,
kernel_size=paf_size)
cv2.imwrite(wfp_paf, paf_feature)
cv2.imwrite(wfp_crop, img)
print('Dump to {} and {}'.format(wfp_crop, wfp_paf))
if is_dump_obj:
wfp = '{}_{}.obj'.format(img_fp.replace(suffix, ''), ind)
colors = get_colors(img_ori, vertices)
write_obj_with_colors(wfp, vertices, tri, colors)
print('Dump obj with sampled texture to {}'.format(wfp))
ind += 1
if is_dump_pose:
# P, pose = parse_pose(param) # Camera matrix (without scale), and pose (yaw, pitch, roll, to verify)
img_pose = plot_pose_box(img_ori, Ps, pts_res)
wfp = img_fp.replace(suffix, '_pose.jpg')
cv2.imwrite(wfp, img_pose)
print('Dump to {}'.format(wfp))
if is_dump_depth:
wfp = img_fp.replace(suffix, '_depth.png')
# depths_img = get_depths_image(img_ori, vertices_lst, tri-1) # python version
depths_img = cget_depths_image(img_ori, vertices_lst,
tri - 1) # cython version
cv2.imwrite(wfp, depths_img)
print('Dump to {}'.format(wfp))
if is_dump_pncc:
wfp = img_fp.replace(suffix, '_pncc.png')
pncc_feature = cpncc(img_ori, vertices_lst,
tri - 1) # cython version
cv2.imwrite(
wfp,
pncc_feature[:, :, ::-1]) # cv2.imwrite will swap RGB -> BGR
print('Dump to {}'.format(wfp))
if is_dump_res:
draw_landmarks(img_ori,
pts_res,
wfp=img_fp.replace(suffix, '_3DDFA.jpg'),
show_flg=show_landmarks_fig)
# 下面这一句将原始图像关掉
img_ori = np.ones_like(img_ori) * 255
img_pose = plot_pose_box(img_ori, Ps, pts_res)
draw_landmarks_opencv(img_pose, pts_res)
cv2.imshow("pose", img_pose)
def main(args):
# 1. load pre-tained model
checkpoint_fp = 'models/phase1_wpdc_vdc.pth.tar'
arch = 'mobilenet_1'
checkpoint = torch.load(
checkpoint_fp, map_location=lambda storage, loc: storage)['state_dict']
model = getattr(mobilenet_v1, arch)(
num_classes=62) # 62 = 12(pose) + 40(shape) +10(expression)
model_dict = model.state_dict()
# because the model is trained by multiple gpus, prefix module should be removed
for k in checkpoint.keys():
model_dict[k.replace('module.', '')] = checkpoint[k]
model.load_state_dict(model_dict)
if args.mode == 'gpu':
cudnn.benchmark = True
model = model.cuda()
model.eval()
# 2. load dlib model for face detection and landmark used for face cropping
if args.dlib_landmark:
dlib_landmark_model = 'models/shape_predictor_68_face_landmarks.dat'
face_regressor = dlib.shape_predictor(dlib_landmark_model)
if args.dlib_bbox:
face_detector = dlib.get_frontal_face_detector()
# 3. forward
tri = sio.loadmat('visualize/tri.mat')['tri']
transform = transforms.Compose(
[ToTensorGjz(), NormalizeGjz(mean=127.5, std=128)])
for img_fp in args.files:
img_ori = cv2.imread(img_fp)
if args.dlib_bbox:
rects = face_detector(img_ori, 1)
else:
rects = []
if len(rects) == 0:
rects = dlib.rectangles()
rect_fp = img_fp + '.bbox'
try:
lines = open(rect_fp).read().strip().split('\n')[1:]
except FileNotFoundError:
print('Cannot load bbox file')
continue
for l in lines:
l, r, t, b = [int(_) for _ in l.split(' ')[1:]]
rect = dlib.rectangle(l, r, t, b)
rects.append(rect)
pts_res = []
Ps = [] # Camera matrix collection
poses = [] # pose collection, [todo: validate it]
vertices_lst = [] # store multiple face vertices
ind = 0
suffix = get_suffix(img_fp)
for rect in rects:
# whether use dlib landmark to crop image, if not, use only face bbox to calc roi bbox for cropping
if args.dlib_landmark:
# - use landmark for cropping
pts = face_regressor(img_ori, rect).parts()
pts = np.array([[pt.x, pt.y] for pt in pts]).T
roi_box = parse_roi_box_from_landmark(pts)
else:
# - use detected face bbox
bbox = [rect.left(), rect.top(), rect.right(), rect.bottom()]
roi_box = parse_roi_box_from_bbox(bbox)
img = crop_img(img_ori, roi_box)
# forward: one step
img = cv2.resize(img,
dsize=(STD_SIZE, STD_SIZE),
interpolation=cv2.INTER_LINEAR)
input = transform(img).unsqueeze(0)
with torch.no_grad():
if args.mode == 'gpu':
input = input.cuda()
param = model(input)
param = param.squeeze().cpu().numpy().flatten().astype(
np.float32)
# 68 pts
pts68 = predict_68pts(param, roi_box)
# two-step for more accurate bbox to crop face
if args.bbox_init == 'two':
roi_box = parse_roi_box_from_landmark(pts68)
img_step2 = crop_img(img_ori, roi_box)
img_step2 = cv2.resize(img_step2,
dsize=(STD_SIZE, STD_SIZE),
interpolation=cv2.INTER_LINEAR)
input = transform(img_step2).unsqueeze(0)
with torch.no_grad():
if args.mode == 'gpu':
input = input.cuda()
param = model(input)
param = param.squeeze().cpu().numpy().flatten().astype(
np.float32)
pts68 = predict_68pts(param, roi_box)
pts_res.append(pts68)
P, pose = parse_pose(param)
Ps.append(P)
poses.append(pose)
# dense face 3d vertices
if args.dump_ply or args.dump_vertex or args.dump_depth or args.dump_pncc or args.dump_obj:
vertices = predict_dense(param, roi_box)
vertices_lst.append(vertices)
if args.dump_ply:
dump_to_ply(
vertices, tri,
'{}_{}.ply'.format(img_fp.replace(suffix, ''), ind))
if args.dump_vertex:
dump_vertex(
vertices, '{}_{}.mat'.format(img_fp.replace(suffix, ''),
ind))
if args.dump_pts:
wfp = '{}_{}.txt'.format(img_fp.replace(suffix, ''), ind)
np.savetxt(wfp, pts68, fmt='%.3f')
print('Save 68 3d landmarks to {}'.format(wfp))
if args.dump_roi_box:
wfp = '{}_{}.roibox'.format(img_fp.replace(suffix, ''), ind)
np.savetxt(wfp, roi_box, fmt='%.3f')
print('Save roi box to {}'.format(wfp))
if args.dump_paf:
wfp_paf = '{}_{}_paf.jpg'.format(img_fp.replace(suffix, ''),
ind)
wfp_crop = '{}_{}_crop.jpg'.format(img_fp.replace(suffix, ''),
ind)
paf_feature = gen_img_paf(img_crop=img,
param=param,
kernel_size=args.paf_size)
cv2.imwrite(wfp_paf, paf_feature)
cv2.imwrite(wfp_crop, img)
print('Dump to {} and {}'.format(wfp_crop, wfp_paf))
if args.dump_obj:
wfp = '{}_{}.obj'.format(img_fp.replace(suffix, ''), ind)
colors = get_colors(img_ori, vertices)
write_obj_with_colors(wfp, vertices, tri, colors)
print('Dump obj with sampled texture to {}'.format(wfp))
ind += 1
if args.dump_pose:
# P, pose = parse_pose(param) # Camera matrix (without scale), and pose (yaw, pitch, roll, to verify)
img_pose = plot_pose_box(img_ori, Ps, pts_res)
wfp = img_fp.replace(suffix, '_pose.jpg')
cv2.imwrite(wfp, img_pose)
print('Dump to {}'.format(wfp))
if args.dump_depth:
wfp = img_fp.replace(suffix, '_depth.png')
# depths_img = get_depths_image(img_ori, vertices_lst, tri-1) # python version
depths_img = cget_depths_image(img_ori, vertices_lst,
tri - 1) # cython version
cv2.imwrite(wfp, depths_img)
print('Dump to {}'.format(wfp))
if args.dump_pncc:
wfp = img_fp.replace(suffix, '_pncc.png')
pncc_feature = cpncc(img_ori, vertices_lst,
tri - 1) # cython version
cv2.imwrite(
wfp,
pncc_feature[:, :, ::-1]) # cv2.imwrite will swap RGB -> BGR
print('Dump to {}'.format(wfp))
if args.dump_res:
draw_landmarks(img_ori,
pts_res,
wfp=img_fp.replace(suffix, '_3DDFA.jpg'),
show_flg=args.show_flg)
print('param: ' + str(param))
p, offset, alpha_shp, alpha_exp = _parse_param(param)
print('alpha_exp: ' + str(alpha_exp))
# 68 pts
# bbox = [0, 0, 120, 120]
# roi_box = parse_roi_box_from_bbox(bbox)
pts68 = predict_68pts(param, roi_box)
# print('pts68: ' + str(pts68))
print('pts68.shape: ' + str(pts68.shape))
P, pose = parse_pose(param)
# print('P: ' + str(P))
print('P.shape: ' + str(P.shape))
print('pose: ' + str(pose))
vertices = predict_dense(param, roi_box)
# print('vertices: ' + str(vertices))
print('vertices.shape: ' + str(vertices.shape))
ensure_folder('result')
suffix = get_suffix(filename)
print('suffix: ' + suffix)
tri = sio.loadmat('visualize/tri.mat')['tri']
dump_to_ply(vertices, tri, '{}.ply'.format(filename.replace(suffix, '')))
wfp = '{}.obj'.format(filename.replace(suffix, ''))
colors = get_colors(img_ori, vertices)
write_obj_with_colors(wfp, vertices, tri, colors)
print('Dump obj with sampled texture to {}'.format(wfp))
