model = Sequential()
model.add(GaussianNoise(0.01))
model.add(Dense(1024, input_shape=(3072,), activation="sigmoid"))
model.add(Dropout(0.5))
model.add(Dense(512, activation="sigmoid"))
model.add(Dense(256, activation="sigmoid"))
model.add(Dropout(0.5))
model.add(Dense(len(lb.classes_), activation="softmax"))