def __init__(self, wv_matrix, lstm_hidden_dim, nn_hidden_dim, num_classes,
mean_pool=False):
print 'Initializing embedding model...'
self.mean_pool = mean_pool
input_dim = wv_matrix.shape[0]
self.embeddingLayer = layers.embeddingLayer(wv_matrix)
self.LSTMLayer = layers.LSTMLayer(input_dim, lstm_hidden_dim)
nn_input_dim = 2 * lstm_hidden_dim
self.fc1 = layers.FullyConnected(input_dim=nn_input_dim,
output_dim=nn_hidden_dim,
activation='relu')
self.fc2 = layers.FullyConnected(input_dim=nn_hidden_dim,
output_dim=nn_hidden_dim,
activation='relu')
self.linear_layer = layers.FullyConnected(input_dim=nn_hidden_dim,
output_dim=num_classes,
activation=None)
self.layers = {'embeddingLayer': self.embeddingLayer, 'lstm': self.LSTMLayer,
'fc1': self.fc1, 'fc2': self.fc2, 'linear': self.linear_layer}
self.params = self.embeddingLayer.params + self.LSTMLayer.params + \
self.fc1.params + self.fc2.params + self.linear_layer.params
def __init__(self, name_scope, input_nc, normalize_encoder):
self.blocks = []
activation = functools.partial(tf.nn.leaky_relu, alpha=0.2)
conv2d = functools.partial(layers.LayerConv, use_scaling=opts.use_scaling,
relu_slope=0.2, padding='SAME')
with tf.variable_scope(name_scope, tf.AUTO_REUSE):
if normalize_encoder:
self.blocks.append(layers.LayerPipe([
conv2d('conv0', w=4, n=[input_nc, 64], stride=2),
layers.BasicBlock('BB0', n=[64, 128], use_scaling=opts.use_scaling),
layers.pixel_norm,
layers.BasicBlock('BB1', n=[128, 192], use_scaling=opts.use_scaling),
layers.pixel_norm,
layers.BasicBlock('BB2', n=[192, 256], use_scaling=opts.use_scaling),
layers.pixel_norm,
activation,
layers.global_avg_pooling
]))
else:
self.blocks.append(layers.LayerPipe([
conv2d('conv0', w=4, n=[input_nc, 64], stride=2),
layers.BasicBlock('BB0', n=[64, 128], use_scaling=opts.use_scaling),
layers.BasicBlock('BB1', n=[128, 192], use_scaling=opts.use_scaling),
layers.BasicBlock('BB2', n=[192, 256], use_scaling=opts.use_scaling),
activation,
layers.global_avg_pooling
]))
# FC layers to get the mean and logvar
self.fc_mean = layers.FullyConnected(opts.app_vector_size, 'FC_mean')
self.fc_logvar = layers.FullyConnected(opts.app_vector_size, 'FC_logvar')
def __init__(self, inputSize, outputSize):
super().__init__()
self.outputSize = outputSize
self.conv1 = layers.Convolution(5, 1)
self.Pool1 = layers.Pool(5, stride=2)
self.Flatten = layers.Flatten()
self.fc1 = layers.FullyConnected(14 * 14 * 5,
50,
activation=activate.Relu())
self.fc2 = layers.FullyConnected(50,
outputSize,
activation=activate.SoftMax())
self.inputLayer = self.conv1
self.outputLayer = self.fc2
self.conv1.addSon(self.Pool1)
self.Pool1.addSon(self.Flatten)
self.Flatten.addSon(self.fc1)
self.fc1.addSon(self.fc2)
def __init__(self, inputSize, outputSize):
super().__init__()
self.outputSize = outputSize
self.Flatten = layers.Flatten()
self.fc1 = layers.FullyConnected(inputSize,
10,
activation=activate.SoftMax())
self.inputLayer = self.Flatten
self.outputLayer = self.fc1
self.Flatten.addSon(self.fc1)
def __init__(self, embeddings, lstm_hidden_dim):
print 'Initializing attention model...'
# self.reverse = reverse
input_dim = 2 * embeddings.shape[0]
self.embeddingLayer = layers.embeddingLayer(embeddings)
self.LSTMLayer = layers.LSTMLayer(input_dim, lstm_hidden_dim)
self.linear_layer = layers.FullyConnected(input_dim=lstm_hidden_dim,
output_dim=2,
activation=None)
self.layers = {'lstm': self.LSTMLayer, 'linear': self.linear_layer,
'embeddings': self.embeddingLayer}
self.params = self.LSTMLayer.params + self.linear_layer.params + self.embeddingLayer.params
def __init__(self, wv_matrix, hidden_dim, num_classes):
print 'Initializing averaging model...'
# just concatenate vector averages
input_dim = 2 * wv_matrix.shape[0]
# initialize layers
self.embeddingLayer = layers.wordVectorLayer(wv_matrix)
self.fc1 = layers.FullyConnected(input_dim=input_dim,
output_dim=hidden_dim,
activation='relu')
self.fc2 = layers.FullyConnected(input_dim=hidden_dim,
output_dim=hidden_dim,
activation='relu')
self.linear_layer = layers.FullyConnected(input_dim=hidden_dim,
output_dim=num_classes,
activation=None)
self.layers = {'embeddingLayer': self.embeddingLayer, 'fc1': self.fc1,
'fc2': self.fc2, 'linear': self.linear_layer}
self.params = self.embeddingLayer.params + self.fc1.params + self.fc2.params + self.linear_layer.params
pool1 = layers.Maxpool(conv1.out_dim, size=2, stride=2)
# Conv layer with 2 filters kernel size of 3x3 stride of 1 and no padding
conv2 = layers.Conv(pool1.out_dim,
n_filter=2,
h_filter=3,
w_filter=3,
stride=1,
padding=0)
# activation for layer 2 rectified linear
relu = mf.ReLU()
# MaxPool layer 2x2 stride 1
pool2 = layers.Maxpool(conv2.out_dim, size=2, stride=1)
# Flatten the matrix
flat = layers.Flatten()
# Fully connected layer with 50 neurons
fc1 = layers.FullyConnected(np.prod(pool2.out_dim), 50)
# Activation for fully connected layer of 50 neurons is tanh
tanh = mf.TanH()
# Fully connected layer with 10 neurons 'output layer'
out = layers.FullyConnected(50, num_classes)
cnn = layers.CNN([conv1, sig, pool1, conv2, relu, pool2, flat, fc1, tanh, out])
mf.model_summary(cnn, 'cnn_model_plot.png', f)
e_nnet, e_accuracy, e_validate, e_loss, e_loss_val = mf.sgd(cnn,
x_train,
y_train,
f,
minibatch_size=200,
kernel_channels=384,
n_kernels=256,
stride=1,
same_padding=True,
logging=False))
graph.add_layer(layers.Activation(activation="relu", logging=False))
graph.add_layer(
layers.MaxPooling(window_size=3,
window_channels=256,
stride=2,
logging=False))
graph.add_layer(layers.Flatten((9216, 1), logging=False))
graph.add_layer(
layers.FullyConnected("fc1", 9216, 4096, activation="relu", logging=False))
graph.add_layer(
layers.FullyConnected("fc2", 4096, 4096, activation="relu", logging=False))
graph.add_layer(
layers.FullyConnected("fc3",
4096,
n_classes,
activation="softmax",
logging=False))
try:
print()
print("[+] N_EXAMPLES:", n_examples)
for e in range(epochs):
images_shuffled, targets_shuffled = shuffle(images, targets)
total_predicted_ok = 0
maxpool = layers.MaxPooling(window_size=2, window_channels=10, stride=2)
X = maxpool.forward(X)
print("[+] MAXPOOLED_shape:", X.shape)
dMaxpool = maxpool.backward(np.ones_like(X))
print("dMaxpool_SHAPE:", dMaxpool.shape)
N, C, H, W = X.shape
flatten = layers.Flatten((C * H * W, N))
X = flatten.forward(X)
print(X.shape)
I, N = X.shape
fc1 = layers.FullyConnected("fc1", I, 1000, activation="relu")
X = fc1.forward(X)
print(X.shape)
fc2 = layers.FullyConnected("fc2", 1000, 10, activation="softmax")
Y = fc2.forward(X)
print(Y.shape)
cross_entropy = layers.CrossEntropy()
loss = cross_entropy.forward(Y, T)
print(loss)
######################################################################################################################
'''
print()
print("XSHAPE:", X.shape)
