def prepare(self):
self._mu_encoder = Dense(self.size,
'linear',
init=GaussianInitializer(),
random_bias=True).init(self.input_dim)
self._log_sigma_encoder = Dense(self.size,
'linear',
init=GaussianInitializer(),
random_bias=True).init(self.input_dim)
self.register_inner_layers(self._mu_encoder, self._log_sigma_encoder)
