face verification and recognition using Keras
The project contains two implementations: DeepFace and VGG16 + Siamese
- DeepFace: keras_face/library/face_net.py contains the deep face implementation tought in the coursea course deeplearning.ai
- VGG16 + Siamese: keras_face/library/siamese.py is my own implementation of siamese network + VGG16 + contrastive loss function (image similarity function)
Below shows the sample codes which verifies whether a particular camera image is a person in an image database or whether a particular camera image is which person in the image database (or not at all)
from keras_face.library.face_net import FaceNet
def main():
model_dir_path = './models'
image_dir_path = "./data/images"
fnet = FaceNet()
fnet.load_model(model_dir_path)
database = {}
database["danielle"] = fnet.img_to_encoding(image_dir_path + "/danielle.png")
database["younes"] = fnet.img_to_encoding(image_dir_path + "/younes.jpg")
database["tian"] = fnet.img_to_encoding(image_dir_path + "/tian.jpg")
database["andrew"] = fnet.img_to_encoding(image_dir_path + "/andrew.jpg")
database["kian"] = fnet.img_to_encoding(image_dir_path + "/kian.jpg")
database["dan"] = fnet.img_to_encoding(image_dir_path + "/dan.jpg")
database["sebastiano"] = fnet.img_to_encoding(image_dir_path + "/sebastiano.jpg")
database["bertrand"] = fnet.img_to_encoding(image_dir_path + "/bertrand.jpg")
database["kevin"] = fnet.img_to_encoding(image_dir_path + "/kevin.jpg")
database["felix"] = fnet.img_to_encoding(image_dir_path + "/felix.jpg")
database["benoit"] = fnet.img_to_encoding(image_dir_path + "/benoit.jpg")
database["arnaud"] = fnet.img_to_encoding(image_dir_path + "/arnaud.jpg")
# verifies whether a particular camera image is a person in the image database
dist, is_valid = fnet.verify(image_dir_path + "/camera_0.jpg", "younes", database)
print('camera_0.jpg is' + (' ' if is_valid else ' not ') + 'yournes')
dist, is_valid = fnet.verify(image_dir_path + "/camera_2.jpg", "kian", database)
print('camera_0.jpg is' + (' ' if is_valid else ' not ') + 'yournes')
# whether a particular camera image is which person in the image database (or not at all)
dist, identity = fnet.who_is_it(image_dir_path + "/camera_0.jpg", database)
if identity is None:
print('camera_0.jpg is not found in database')
else:
print('camera_0.jpg is ' + str(identity))
if __name__ == '__main__':
main()Below shows sample codes how to train the V166+Siamese network:
from keras_face.library.siamese import SiameseFaceNet
def main():
fnet = SiameseFaceNet()
fnet.vgg16_include_top = True # default is False
model_dir_path = './models'
image_dir_path = "./data/images"
database = dict()
database["danielle"] = [fnet.img_to_encoding(image_dir_path + "/danielle.png")]
database["younes"] = [fnet.img_to_encoding(image_dir_path + "/younes.jpg")]
database["tian"] = [fnet.img_to_encoding(image_dir_path + "/tian.jpg")]
database["andrew"] = [fnet.img_to_encoding(image_dir_path + "/andrew.jpg")]
database["kian"] = [fnet.img_to_encoding(image_dir_path + "/kian.jpg")]
database["dan"] = [fnet.img_to_encoding(image_dir_path + "/dan.jpg")]
database["sebastiano"] = [fnet.img_to_encoding(image_dir_path + "/sebastiano.jpg")]
database["bertrand"] = [fnet.img_to_encoding(image_dir_path + "/bertrand.jpg")]
database["kevin"] = [fnet.img_to_encoding(image_dir_path + "/kevin.jpg")]
database["felix"] = [fnet.img_to_encoding(image_dir_path + "/felix.jpg")]
database["benoit"] = [fnet.img_to_encoding(image_dir_path + "/benoit.jpg")]
database["arnaud"] = [fnet.img_to_encoding(image_dir_path + "/arnaud.jpg")]
fnet.fit(database=database, model_dir_path=model_dir_path)
if __name__ == '__main__':
main()Below shows the sample codes which verifies whether a particular camera image is a person in an image database or whether a particular camera image is which person in the image database (or not at all)
from keras_face.library.siamese import SiameseFaceNet
def main():
fnet = SiameseFaceNet()
model_dir_path = './models'
image_dir_path = "./data/images"
fnet.load_model(model_dir_path)
database = dict()
database["danielle"] = [fnet.img_to_encoding(image_dir_path + "/danielle.png")]
database["younes"] = [fnet.img_to_encoding(image_dir_path + "/younes.jpg")]
database["tian"] = [fnet.img_to_encoding(image_dir_path + "/tian.jpg")]
database["andrew"] = [fnet.img_to_encoding(image_dir_path + "/andrew.jpg")]
database["kian"] = [fnet.img_to_encoding(image_dir_path + "/kian.jpg")]
database["dan"] = [fnet.img_to_encoding(image_dir_path + "/dan.jpg")]
database["sebastiano"] = [fnet.img_to_encoding(image_dir_path + "/sebastiano.jpg")]
database["bertrand"] = [fnet.img_to_encoding(image_dir_path + "/bertrand.jpg")]
database["kevin"] = [fnet.img_to_encoding(image_dir_path + "/kevin.jpg")]
database["felix"] = [fnet.img_to_encoding(image_dir_path + "/felix.jpg")]
database["benoit"] = [fnet.img_to_encoding(image_dir_path + "/benoit.jpg")]
database["arnaud"] = [fnet.img_to_encoding(image_dir_path + "/arnaud.jpg")]
fnet.verify(image_dir_path + "/camera_0.jpg", "younes", database)
fnet.verify(image_dir_path + "/camera_2.jpg", "kian", database)
fnet.who_is_it(image_dir_path + "/camera_0.jpg", database)
if __name__ == '__main__':
main()- Step 1: Change tensorflow to tensorflow-gpu in requirements.txt and install tensorflow-gpu
- Step 2: Download and install the CUDA® Toolkit 9.0 (Please note that currently CUDA® Toolkit 9.1 is not yet supported by tensorflow, therefore you should download CUDA® Toolkit 9.0)
- Step 3: Download and unzip the cuDNN 7.4 for CUDA@ Toolkit 9.0 and add the bin folder of the unzipped directory to the $PATH of your Windows environment
For VGG16 + Siamese, the training was not well-done as there are currently very limited number of sample images used for training (only 12 images for 12 persons). Ideally, need to train using 100,000 images for 10,000 persons. Will need to add in larger dataset for the training
For DeepFace (namely keras_face/library/face_net.py), some utility classes and weights are taken from https://github.com/shahariarrabby/deeplearning.ai , also it contains only the prediction part
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