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headpose_estimation_imageFolder.py
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headpose_estimation_imageFolder.py
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import dlib
import sys, os, argparse
import numpy as np
import cv2
import torch
from torch.autograd import Variable
from torchvision import transforms
import torch.backends.cudnn as cudnn
import torchvision
import torch.nn.functional as F
from PIL import Image
sys.path.append("code/")
import datasets, hopenet, utils
join = os.path.join
def parse_args():
"""Parse input arguments."""
parser = argparse.ArgumentParser(description='Head pose estimation for images using the Hopenet network.')
parser.add_argument('--gpu', dest='gpu_id', help='GPU device id to use. Default: 0',
default=0, type=int)
parser.add_argument('--snapshot', dest='snapshot', help='Path of model snapshot. Default: hopenet_robust_alpha1.pkl',
default='hopenet_robust_alpha1.pkl', type=str)
parser.add_argument('--face_model', dest='face_model', help='Path of DLIB face detection model. Default: mmod_human_face_detector.dat',
default='mmod_human_face_detector.dat', type=str)
parser.add_argument('-i', '--input folder', dest='input_path', help='Path of image folder',
default='/home/xiangmingcan/notespace/cvpr_data/celeba/', type=str)
parser.add_argument('-o', '--output_txt', dest='output', help='Output path of txt file. Default: output/celeba.txt. \nNote: you must write output in this format',
default='output/celeba.txt', type=str)
parser.add_argument('-f', '--flag', dest='flag', help='1: write the images; 0: do not write the images. Default: 1',
default='1', type=int)
args = parser.parse_args()
return args
if __name__ == '__main__':
args = parse_args()
cudnn.enabled = True
batch_size = 1
gpu = args.gpu_id
snapshot_path = args.snapshot
input_path = args.input_path
out_dir = os.path.split(args.output)[0]
name = os.path.split(args.output)[1]
write_path = join(out_dir, "images_" + name[:-4])
if not os.path.exists(write_path):
os.makedirs(write_path)
if not os.path.exists(args.input_path):
sys.exit('Folder does not exist')
# ResNet50 structure
model = hopenet.Hopenet(torchvision.models.resnet.Bottleneck, [3, 4, 6, 3], 66)
# Dlib face detection model
cnn_face_detector = dlib.cnn_face_detection_model_v1(args.face_model)
print 'Loading snapshot.'
# Load snapshot
saved_state_dict = torch.load(snapshot_path)
model.load_state_dict(saved_state_dict)
print 'Loading data.'
transformations = transforms.Compose([transforms.Scale(224),
transforms.CenterCrop(224), transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])])
model.cuda(gpu)
print 'Ready to test network.'
# Test the Model
model.eval() # Change model to 'eval' mode (BN uses moving mean/var).
total = 0
idx_tensor = [idx for idx in range(66)]
idx_tensor = torch.FloatTensor(idx_tensor).cuda(gpu)
# -------------- for image operation ------------------
images = os.listdir(input_path)
images = [_ for _ in images if (_.endswith('jpg') or _.endswith('png'))]
images.sort()
txt_out = open(args.output, 'w')
for image_name in images:
image = cv2.imread(join(input_path, image_name))
cv2_frame = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
# Dlib detect
dets = cnn_face_detector(cv2_frame, 1)
for idx, det in enumerate(dets):
# Get x_min, y_min, x_max, y_max, conf
x_min = det.rect.left()
y_min = det.rect.top()
x_max = det.rect.right()
y_max = det.rect.bottom()
conf = det.confidence
if conf > 1.0:
bbox_width = abs(x_max - x_min)
bbox_height = abs(y_max - y_min)
x_min -= 2 * bbox_width / 4
x_max += 2 * bbox_width / 4
y_min -= 3 * bbox_height / 4
y_max += bbox_height / 4
x_min = max(x_min, 0); y_min = max(y_min, 0)
x_max = min(image.shape[1], x_max); y_max = min(image.shape[0], y_max)
# Crop image
img = cv2_frame[y_min:y_max,x_min:x_max]
img = Image.fromarray(img)
# Transform
img = transformations(img)
img_shape = img.size()
img = img.view(1, img_shape[0], img_shape[1], img_shape[2])
img = Variable(img).cuda(gpu)
yaw, pitch, roll = model(img)
yaw_predicted = F.softmax(yaw)
pitch_predicted = F.softmax(pitch)
roll_predicted = F.softmax(roll)
# Get continuous predictions in degrees.
yaw_predicted = torch.sum(yaw_predicted.data[0] * idx_tensor) * 3 - 99
pitch_predicted = torch.sum(pitch_predicted.data[0] * idx_tensor) * 3 - 99
roll_predicted = torch.sum(roll_predicted.data[0] * idx_tensor) * 3 - 99
# Print new frame with cube and axis
txt_out.write(str(image_name) + '\t%f %f %f\n' % (yaw_predicted, pitch_predicted, roll_predicted))
print(str(image_name) + '\t%f %f %f' % (yaw_predicted, pitch_predicted, roll_predicted))
# utils.plot_pose_cube(frame, yaw_predicted, pitch_predicted, roll_predicted, (x_min + x_max) / 2, (y_min + y_max) / 2, size = bbox_width)
drawed_img = utils.draw_axis(image, yaw_predicted, pitch_predicted, roll_predicted, tdx =(x_min + x_max) / 2, tdy=(y_min + y_max) / 2, size =bbox_height / 2)
# write the images
cv2.imwrite(join(write_path, image_name), drawed_img)