deepface/deepface/basemodels/FbDeepFace.py
2020-02-15 18:52:58 +03:00

46 lines
1.9 KiB
Python

import os
from pathlib import Path
import gdown
import keras
from keras.models import Model, Sequential
from keras.layers import Convolution2D, LocallyConnected2D, MaxPooling2D, Flatten, Dense, Dropout
import zipfile
#-------------------------------------
def loadModel():
base_model = Sequential()
base_model.add(Convolution2D(32, (11, 11), activation='relu', name='C1', input_shape=(152, 152, 3)))
base_model.add(MaxPooling2D(pool_size=3, strides=2, padding='same', name='M2'))
base_model.add(Convolution2D(16, (9, 9), activation='relu', name='C3'))
base_model.add(LocallyConnected2D(16, (9, 9), activation='relu', name='L4'))
base_model.add(LocallyConnected2D(16, (7, 7), strides=2, activation='relu', name='L5') )
base_model.add(LocallyConnected2D(16, (5, 5), activation='relu', name='L6'))
base_model.add(Flatten(name='F0'))
base_model.add(Dense(4096, activation='relu', name='F7'))
base_model.add(Dropout(rate=0.5, name='D0'))
base_model.add(Dense(8631, activation='softmax', name='F8'))
#---------------------------------
home = str(Path.home())
if os.path.isfile(home+'/.deepface/weights/VGGFace2_DeepFace_weights_val-0.9034.h5') != True:
print("VGGFace2_DeepFace_weights_val-0.9034.h5 will be downloaded...")
url = 'https://github.com/swghosh/DeepFace/releases/download/weights-vggface2-2d-aligned/VGGFace2_DeepFace_weights_val-0.9034.h5.zip'
output = home+'/.deepface/weights/VGGFace2_DeepFace_weights_val-0.9034.h5.zip'
gdown.download(url, output, quiet=False)
#unzip VGGFace2_DeepFace_weights_val-0.9034.h5.zip
with zipfile.ZipFile(output, 'r') as zip_ref:
zip_ref.extractall(home+'/.deepface/weights/')
base_model.load_weights(home+'/.deepface/weights/VGGFace2_DeepFace_weights_val-0.9034.h5')
#drop F8 and D0. F7 is the representation layer.
deepface_model = Model(inputs=base_model.layers[0].input, outputs=base_model.layers[-3].output)
return deepface_model