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import keras | |
from keras.layers import Conv2D, Dense, Dropout, Flatten, MaxPooling2D, GlobalAveragePooling2D, BatchNormalization | |
from keras.models import Sequential | |
from keras.optimizers import Adam | |
from keras import regularizers | |
def model_cnn_reg(input_shape): | |
model=Sequential() | |
model.add(Conv2D(filters=64,kernel_size=(3,3), input_shape=input_shape, activation='relu')) | |
model.add(MaxPooling2D(pool_size=(2,2))) | |
model.add(Conv2D(filters=32,kernel_size=(2,2),activation='relu')) | |
model.add(BatchNormalization()) | |
model.add(Flatten()) | |
model.add(Dense(256,activation='relu',kernel_regularizer=regularizers.l1_l2(l1=3e-4, l2=3e-3),bias_regularizer=regularizers.l2(3e-3),activity_regularizer=regularizers.l2(3e-4))) | |
model.add(Dropout(0.5)) | |
model.add(Dense(128,activation='relu',kernel_regularizer=regularizers.l1_l2(l1=1e-3, l2=1e-2),bias_regularizer=regularizers.l2(1e-2),activity_regularizer=regularizers.l2(1e-3))) | |
model.add(Dropout(0.3)) | |
model.add(Dense(1,activation='sigmoid')) | |
optimiser = keras.optimizers.Adam(learning_rate=0.0001) | |
model.compile(optimizer=optimiser, | |
loss='binary_crossentropy', | |
metrics=['accuracy']) | |
return model |
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