def buildRest(self):
self.ind_de_obj = debuilder(
self.numpy_rng,
self.theano_rng,
input=self.ind_en_obj.sigmoid_layers[-1].output,
en_list=self.ind_en_obj.dA_layers,
)
self.col_de_obj = debuilder(
self.numpy_rng,
self.theano_rng,
input=self.col_en_obj.sigmoid_layers[-1].output,
en_list=self.col_en_obj.dA_layers,
)
# Split Decode Comp
self.splt_de_obj = split_de_train(
self.numpy_rng,
self.theano_rng,
output=self.x,
ihid=self.ind_de_obj.sigmoid_layers[-1].output,
chid=self.col_de_obj.sigmoid_layers[-1].output,
iW_prime=theano.shared(self.splt_en_obj.iW.get_value().T, name='iW_de',borrow=False),
cW_prime=theano.shared(self.splt_en_obj.cW.get_value().T, name='cW_de',borrow=False),
bvis=self.splt_en_obj.b_vis,
)
# Collective Error
self.col_error_obj = HiddenLayer(
self.numpy_rng,
input = self.col_de_obj.sigmoid_layers[-1].output,
n_in = 100,
n_out = 10,
activation=T.nnet.sigmoid
)
# Errors backprop
self.err_ind = self.splt_de_obj.get_cost()
self.err_col = - T.sum(self.y * T.log(self.col_error_obj.output) + (1 - self.y) * T.log(1 - self.col_error_obj.output))
# self.err_col = T.mean((self.y - self.col_error_obj.output)**2)
# Add params together
self.params.extend(self.ind_de_obj.params)
self.params.extend(self.col_de_obj.params)
self.params.extend(self.splt_de_obj.params)
self.params_col.extend([self.splt_en_obj.cW, self.splt_en_obj.b_chid])
self.params_col.extend(self.col_en_obj.params)
self.params_col.extend(self.col_de_obj.params)
self.params_col.extend(self.col_error_obj.params)
def __init__(
self,
numpy_rng,
theano_rng=None,
corruption_levels=[0.1, 0.1],
input=None,
output=None,
batch_size=500,
maxepoch=100,
learning_rate=0.01
):
self.params_col = []
self.params = []
self.numpy_rng = numpy_rng
self.theano_rng = theano_rng
self.batch_size = batch_size
self.maxepoch = maxepoch
self.corruption_levels = corruption_levels
self.learning_rate = learning_rate
# For input init
if input is None:
self.x = T.dmatrix(name='input')
else:
self.x = input
# For output init
if output is None:
self.y = T.dvector(name='output')
else:
self.y = output
##############################
# BUILD FULL MODEL
#
##############################
# Split Encode Comp
self.splt_en_obj = split_en_train(
numpy_rng=self.numpy_rng,
theano_rng=self.theano_rng,
input=self.x,
n_vis=28 * 28,
n_ihid=100,
n_chid=100,
)
ind, col = self.splt_en_obj.get_encoder(self.x)
# Individual Comp
self.ind_en_obj = enbuilder(
self.numpy_rng,
self.theano_rng,
input = ind,
n_ins=self.splt_en_obj.n_ihid,
hidden_layers_sizes=[100, 100],
corruption_levels=[0.1, 0.1]
)
self.ind_de_obj = debuilder(
self.numpy_rng,
self.theano_rng,
input=self.ind_en_obj.sigmoid_layers[-1].output,
en_list=self.ind_en_obj.dA_layers,
)
# Collective Comp
self.col_en_obj = enbuilder(
self.numpy_rng,
self.theano_rng,
input = col,
n_ins=self.splt_en_obj.n_chid,
hidden_layers_sizes=[100, 100],
corruption_levels=[0.1, 0.1]
)
self.col_de_obj = debuilder(
self.numpy_rng,
self.theano_rng,
input=self.col_en_obj.sigmoid_layers[-1].output,
en_list=self.col_en_obj.dA_layers,
)
# Split Decode Comp
self.splt_de_obj = split_de_train(
self.numpy_rng,
self.theano_rng,
output=self.x,
ihid=self.ind_de_obj.sigmoid_layers[-1].output,
chid=self.col_de_obj.sigmoid_layers[-1].output,
iW_prime=theano.shared(self.splt_en_obj.iW.get_value().T, borrow=False),
cW_prime=theano.shared(self.splt_en_obj.cW.get_value().T, borrow=False),
bvis=self.splt_en_obj.b_vis,
)
# Collective Error
self.col_error_obj = HiddenLayer(
self.numpy_rng,
input = self.col_de_obj.sigmoid_layers[-1].output,
n_in = 100,
n_out = 10,
activation=T.nnet.sigmoid
)
# Errors backprop
self.err_ind = self.splt_de_obj.get_cost()
self.err_col = - T.sum(self.y * T.log(self.col_error_obj.output) + (1 - self.y) * T.log(1 - self.col_error_obj.output))
# self.err_col = T.mean((self.y - self.col_error_obj.output)**2)
# Add params together
self.params.extend(self.splt_en_obj.params)
self.params.extend(self.ind_en_obj.params)
self.params.extend(self.ind_de_obj.params)
self.params.extend(self.col_en_obj.params)
self.params.extend(self.col_de_obj.params)
self.params.extend(self.splt_de_obj.params)
self.params_col.extend([self.splt_en_obj.cW, self.splt_en_obj.b_chid])
self.params_col.extend(self.col_en_obj.params)
self.params_col.extend(self.col_de_obj.params)
self.params_col.extend(self.col_error_obj.params)