def embedding_network(state, mask, seed=123):
# Placeholder layer sizes
d_e = [[64], [64, 128]]
d_o = [128]
# Build graph:
initial_elems = state
# Embedding Part
for i, block in enumerate(d_e):
el = initial_elems
for j, layer in enumerate(block):
context = c if j == 0 and not i == 0 else None
el, _ = invariant_layer(el,
layer,
context=context,
name='l' + str(i) + '_' + str(j),
seed=seed + i + j)
c = mask_and_pool(el, mask) # pool to get context for next block
# Fully connected part
fc = c
for i, layer in enumerate(d_o):
fc, _, _ = linear(fc,
layer,
activation_fn=tf.nn.relu,
name='lO_' + str(i))
# Output
embedding = fc
# Returns the network output and parameters
return embedding, []
def relation_network(state, mask, seed=123):
# Placeholder layer sizes
d_e = [64, 64, 64]
d_o = [128, 128]
# Build graph:
initial_elems = state
# Embedding Part
for i, layer in enumerate(d_e):
el = initial_elems
el, _ = relation_layer(layer, el, mask, name='l' + str(i))
c = mask_and_pool(el, mask) # pool to get context for next block
# Fully connected part
fc = c
for i, layer in enumerate(d_o):
fc, _, _ = linear(fc, layer, name='lO_' + str(i))
# Output
embedding = fc
# Returns the network output and parameters
return embedding, []
def embedding_network(state, mask):
# Placeholder layer sizes
d_e = [[128, 256]]
d_o = [128]
# Build graph:
initial_elems = state
# Get mask
mask = ops.get_mask(state)
# Embedding Part
for i, block in enumerate(d_e):
el = initial_elems
for j, layer in enumerate(block):
context = c if j == 0 and not i == 0 else None
el = set_layer(el,
layer,
context=context,
name='l' + str(i) + '_' + str(j))
c = mask_and_pool(el, mask) # pool to get context for next block
# Output
embedding = c
return embedding
def object_embedding_network2(state, l_e, l_o):
mask = get_mask(state)
# Embedding Part
el = state
el, _ = invariant_layer(el, l_e[0], name='l' + str(0))
for i, l in enumerate(l_e[1:]):
el = el - tf.expand_dims(mask_and_pool(el, mask), axis=1)
el, _ = invariant_layer(el, l, name='l' + str(i+1))
c = mask_and_pool(el, mask)
# Fully connected part
fc = c
for i, layer in enumerate(l_o):
fc, _, _ = linear(fc, layer, activation_fn=tf.nn.relu, name='lO_' + str(i))
return fc, []
def rav_layer(x, mask, out_size, **kwargs):
x = x - mask_and_pool(x, mask)
out = set_layer(x, **kwargs)
return out