def __init__(self, vocab, image_size=(64, 64), embedding_dim=64,
gconv_dim=128, gconv_hidden_dim=512,
gconv_pooling='avg', gconv_num_layers=5,
refinement_dims=(1024, 512, 256, 128, 64),
normalization='batch', activation='leakyrelu-0.2',
mask_size=None, mlp_normalization='none', layout_noise_dim=0,
**kwargs):
super(Sg2ImModel, self).__init__()
# We used to have some additional arguments:
# vec_noise_dim, gconv_mode, box_anchor, decouple_obj_predictions
if len(kwargs) > 0:
print('WARNING: Model got unexpected kwargs ', kwargs)
self.vocab = vocab
self.image_size = image_size
self.layout_noise_dim = layout_noise_dim
num_objs = len(vocab['object_idx_to_name'])
num_preds = len(vocab['pred_idx_to_name'])
self.obj_embeddings = nn.Embedding(num_objs + 1, embedding_dim)
self.pred_embeddings = nn.Embedding(num_preds, embedding_dim)
if gconv_num_layers == 0:
self.gconv = nn.Linear(embedding_dim, gconv_dim)
elif gconv_num_layers > 0:
gconv_kwargs = {
'input_dim': embedding_dim,
'output_dim': gconv_dim,
'hidden_dim': gconv_hidden_dim,
'pooling': gconv_pooling,
'mlp_normalization': mlp_normalization,
}
self.gconv = GraphTripleConv(**gconv_kwargs)
self.gconv_net = None
if gconv_num_layers > 1:
gconv_kwargs = {
'input_dim': gconv_dim,
'hidden_dim': gconv_hidden_dim,
'pooling': gconv_pooling,
'num_layers': gconv_num_layers - 1,
'mlp_normalization': mlp_normalization,
}
self.gconv_net = GraphTripleConvNet(**gconv_kwargs)
box_net_dim = 4
box_net_layers = [gconv_dim, gconv_hidden_dim, box_net_dim]
self.box_net = build_mlp(box_net_layers, batch_norm=mlp_normalization)
self.mask_net = None
if mask_size is not None and mask_size > 0:
self.mask_net = self._build_mask_net(num_objs, gconv_dim, mask_size)
def __init__(
self,
vocab,
image_size=(64, 64),
embedding_dim=64,
gconv_dim=128,
gconv_hidden_dim=512,
gconv_pooling='avg',
gconv_num_layers=5,
refinement_dims=(1024, 512, 256, 128, 64),
normalization='batch',
activation='leakyrelu-0.2',
mask_size=None,
mlp_normalization='none',
layout_noise_dim=0,
sg_context_dim=0, #None,
sg_context_dim_d=0, #None,
gcnn_pooling='avg',
triplet_box_net=False,
triplet_mask_size=0,
triplet_embedding_size=0,
use_bbox_info=False,
triplet_superbox_net=False,
**kwargs):
super(Sg2ImModel, self).__init__()
# We used to have some additional arguments:
# vec_noise_dim, gconv_mode, box_anchor, decouple_obj_predictions
if len(kwargs) > 0:
print('WARNING: Model got unexpected kwargs ', kwargs)
self.vocab = vocab
self.image_size = image_size
self.layout_noise_dim = layout_noise_dim
self.sg_context_dim = sg_context_dim
self.sg_context_dim_d = sg_context_dim_d
self.gcnn_pooling = gcnn_pooling
self.triplet_box_net = triplet_box_net
self.triplet_mask_size = triplet_mask_size
self.triplet_embedding_size = triplet_embedding_size
self.use_bbox_info = use_bbox_info
self.triplet_superbox_net = triplet_superbox_net
num_objs = len(vocab['object_idx_to_name'])
num_preds = len(vocab['pred_idx_to_name'])
self.obj_embeddings = nn.Embedding(num_objs + 1, embedding_dim)
self.pred_embeddings = nn.Embedding(num_preds, embedding_dim)
if gconv_num_layers == 0:
self.gconv = nn.Linear(embedding_dim, gconv_dim)
elif gconv_num_layers > 0:
gconv_kwargs = {
'input_dim': embedding_dim,
'output_dim': gconv_dim,
'hidden_dim': gconv_hidden_dim,
'pooling': gconv_pooling,
'mlp_normalization': mlp_normalization,
}
self.gconv = GraphTripleConv(**gconv_kwargs)
self.gconv_net = None
if gconv_num_layers > 1:
gconv_kwargs = {
'input_dim': gconv_dim,
'hidden_dim': gconv_hidden_dim,
'pooling': gconv_pooling,
'num_layers': gconv_num_layers - 1,
'mlp_normalization': mlp_normalization,
}
self.gconv_net = GraphTripleConvNet(**gconv_kwargs)
if self.use_bbox_info:
box_net_dim = 4 + 1 # augment with addition info abt bbox
else:
box_net_dim = 4
box_net_layers = [gconv_dim, gconv_hidden_dim, box_net_dim]
self.box_net = build_mlp(box_net_layers, batch_norm=mlp_normalization)
# triplet-related nets
self.triplet_box_net = None
self.triplet_embed_net = None
self.triplet_mask_net = None
self.triplet_superbox_net = None
# output dimension
triplet_box_net_dim = 8
if triplet_box_net:
# input dimension is 3*128 for concatenated triplet
triplet_box_net_layers = [
3 * gconv_dim, gconv_hidden_dim, triplet_box_net_dim
]
self.triplet_box_net = build_mlp(triplet_box_net_layers,
batch_norm=mlp_normalization)
# triplet embedding
if self.triplet_embedding_size > 0:
# input dimsn is 3*128 for concatenated triplet, output dimsn is triplet_embed_dim
triplet_embed_layers = [
3 * gconv_dim, gconv_hidden_dim, triplet_embedding_size
]
self.triplet_embed_net = build_mlp(triplet_embed_layers,
batch_norm=mlp_normalization)
if self.triplet_mask_size > 0:
# input dimsn is 3*128 for concatenated triplet, output dimsn is triplet_mask_size
#self.triplet_mask_net = self._build_mask_net(num_objs, 3*gconv_dim, self.triplet_mask_size)
self.triplet_mask_net = self._build_triplet_mask_net(
num_objs, 3 * gconv_dim, self.triplet_mask_size)
triplet_superbox_net_dim = 4
if triplet_superbox_net:
# input dimension is 3*128 for concatenated triplet
triplet_superbox_net_layers = [
3 * gconv_dim, gconv_hidden_dim, triplet_superbox_net_dim
]
self.triplet_superbox_net = build_mlp(triplet_superbox_net_layers,
batch_norm=mlp_normalization)
self.mask_net = None
if mask_size is not None and mask_size > 0:
self.mask_net = self._build_mask_net(num_objs, gconv_dim,
mask_size)
###########################
self.sg_context_net = None
self.sg_context_net_d = None
if sg_context_dim is not None and sg_context_dim > 0:
H, W = self.image_size
self.sg_context_net = nn.Linear(gconv_dim, sg_context_dim)
self.sg_context_net_d = nn.Linear(gconv_dim, sg_context_dim_d)
# sg_context_net_layers = [gconv_dim, sg_context_dim]
# sg_context_net_layers = [gconv_dim, sg_context_dim_d]
# self.sg_context_net = build_mlp(sg_context_net_layers, batch_norm=mlp_normalization)
# self.sg_context_net_d = build_mlp(sg_context_net_layers, batch_norm=mlp_normalization)
#######################
rel_aux_layers = [2 * embedding_dim + 8, gconv_hidden_dim, num_preds]
self.rel_aux_net = build_mlp(rel_aux_layers,
batch_norm=mlp_normalization)
if sg_context_dim > 0:
refinement_kwargs = {
'dims': (gconv_dim + sg_context_dim + layout_noise_dim, ) +
refinement_dims,
'normalization': normalization,
'activation': activation,
}
else:
refinement_kwargs = {
'dims': (gconv_dim + layout_noise_dim, ) + refinement_dims,
'normalization': normalization,
'activation': activation,
}
self.refinement_net = RefinementNetwork(**refinement_kwargs)
def __init__(self, vocab, image_size=(64, 64), embedding_dim=64,
gconv_dim=128, gconv_hidden_dim=512,
gconv_pooling='avg', gconv_num_layers=5,
refinement_dims=(1024, 512, 256, 128, 64),
normalization='batch', activation='leakyrelu-0.2',
mask_size=None, mlp_normalization='none', layout_noise_dim=0,
sg_context_dim=0, #None,
sg_context_dim_d=0, #None,
gcnn_pooling='avg',
triplet_box_net=False,
triplet_mask_size=0,
triplet_embedding_size=0,
use_bbox_info=False,
triplet_superbox_net=False,
use_masked_sg=False,
**kwargs):
super(Sg2ImModel, self).__init__()
# We used to have some additional arguments:
# vec_noise_dim, gconv_mode, box_anchor, decouple_obj_predictions
if len(kwargs) > 0:
print('WARNING: Model got unexpected kwargs ', kwargs)
self.vocab = vocab
self.image_size = image_size
self.layout_noise_dim = layout_noise_dim
self.sg_context_dim = sg_context_dim
self.sg_context_dim_d = sg_context_dim_d
self.gcnn_pooling = gcnn_pooling
self.triplet_box_net = triplet_box_net
self.triplet_mask_size = triplet_mask_size
self.triplet_embedding_size = triplet_embedding_size
self.use_bbox_info = use_bbox_info
self.triplet_superbox_net = triplet_superbox_net
self.use_masked_sg = use_masked_sg
# hack to deal with vocabs with differing # of predicates
self.mask_pred = 46 # vocab['idx_to_pred_name'][46] = 'none'
#self.mask_pred = vocab['pred_name_to_idx']['none']
self.embedding_dim = embedding_dim
num_objs = len(vocab['object_idx_to_name'])
num_preds = len(vocab['pred_idx_to_name'])
self.obj_embeddings = nn.Embedding(num_objs + 1, embedding_dim)
#self.pred_embeddings = nn.Embedding(num_preds, embedding_dim)
self.pred_embeddings = nn.Embedding(num_preds + 1 , embedding_dim) # MASK
# frozen embedding layers
self.fr_obj_embeddings = nn.Embedding(num_objs + 1, embedding_dim)
self.fr_pred_embeddings = nn.Embedding(num_preds + 1, embedding_dim)
self.fr_obj_embeddings.requires_grad = False
self.fr_pred_embeddings.requires_grad = False
# postional embeddings for bounding boxes (for spatio-semantic retrieval)
bbox_dim = 4
self.positional_embeddings = nn.Linear(bbox_dim, embedding_dim)
if gconv_num_layers == 0:
self.gconv = nn.Linear(embedding_dim, gconv_dim)
elif gconv_num_layers > 0:
gconv_kwargs = {
'input_dim': embedding_dim,
'output_dim': gconv_dim,
'hidden_dim': gconv_hidden_dim,
'pooling': gconv_pooling,
'mlp_normalization': mlp_normalization,
}
self.gconv = GraphTripleConv(**gconv_kwargs)
self.gconv_net = None
if gconv_num_layers > 1:
gconv_kwargs = {
'input_dim': gconv_dim,
'hidden_dim': gconv_hidden_dim,
'pooling': gconv_pooling,
'num_layers': gconv_num_layers - 1,
'mlp_normalization': mlp_normalization,
}
self.gconv_net = GraphTripleConvNet(**gconv_kwargs)
if self.use_bbox_info:
box_net_dim = 4 + 1 # augment with addition info abt bbox
else:
box_net_dim = 4
box_net_layers = [gconv_dim, gconv_hidden_dim, box_net_dim]
self.box_net = build_mlp(box_net_layers, batch_norm=mlp_normalization)
# triplet-related nets
self.triplet_box_net = None
self.triplet_embed_net = None
self.triplet_mask_net = None
self.triplet_superbox_net = None
self.pred_ground_net = None
# output dimension
triplet_box_net_dim = 8
if triplet_box_net:
# input dimension is 3*128 for concatenated triplet
triplet_box_net_layers = [3*gconv_dim, gconv_hidden_dim, triplet_box_net_dim]
self.triplet_box_net = build_mlp(triplet_box_net_layers, batch_norm=mlp_normalization)
# triplet embedding
if self.triplet_embedding_size > 0:
# input dimn is 3*128 for concatenated triplet, output dimsn is triplet_embed_dim
triplet_embed_layers = [3*gconv_dim, gconv_hidden_dim, triplet_embedding_size]
self.triplet_embed_net = build_mlp(triplet_embed_layers, batch_norm=mlp_normalization)
if self.triplet_mask_size > 0:
# input dimsn is 3*128 for concatenated triplet, output dimsn is triplet_mask_size
#self.triplet_mask_net = self._build_mask_net(num_objs, 3*gconv_dim, self.triplet_mask_size)
self.triplet_mask_net = self._build_triplet_mask_net(num_objs, 3*gconv_dim, self.triplet_mask_size)
triplet_superbox_net_dim = 4
if triplet_superbox_net:
# input dimension is 3*128 for concatenated triplet
triplet_superbox_net_layers = [3*gconv_dim, gconv_hidden_dim, triplet_superbox_net_dim]
self.triplet_superbox_net = build_mlp(triplet_superbox_net_layers, batch_norm=mlp_normalization)
self.mask_net = None
if mask_size is not None and mask_size > 0:
self.mask_net = self._build_mask_net(num_objs, gconv_dim, mask_size)
###########################
self.sg_context_net = None
self.sg_context_net_d = None
if sg_context_dim is not None and sg_context_dim > 0:
H, W = self.image_size
self.sg_context_net = nn.Linear(gconv_dim, sg_context_dim)
self.sg_context_net_d = nn.Linear(gconv_dim, sg_context_dim_d)
# sg_context_net_layers = [gconv_dim, sg_context_dim]
# sg_context_net_layers = [gconv_dim, sg_context_dim_d]
# self.sg_context_net = build_mlp(sg_context_net_layers, batch_norm=mlp_normalization)
# self.sg_context_net_d = build_mlp(sg_context_net_layers, batch_norm=mlp_normalization)
#######################
rel_aux_layers = [2 * embedding_dim + 8, gconv_hidden_dim, num_preds]
self.rel_aux_net = build_mlp(rel_aux_layers, batch_norm=mlp_normalization)
# subject prediction network
subj_aux_layers = [2 * embedding_dim + 8, gconv_hidden_dim, num_objs]
self.subj_aux_net = build_mlp(subj_aux_layers, batch_norm=mlp_normalization)
# object prediction network
obj_aux_layers = [2 * embedding_dim + 8, gconv_hidden_dim, num_objs]
self.obj_aux_net = build_mlp(obj_aux_layers, batch_norm=mlp_normalization)
# object class prediction network
obj_class_aux_layers = [embedding_dim, gconv_hidden_dim, num_objs]
#self.obj_class_aux_net = build_mlp(obj_class_aux_layers, batch_norm=mlp_normalization)
self.obj_class_aux_net = nn.Linear(embedding_dim, num_objs)
# relationship embedding network
self.rel_embed_aux_net = nn.Linear(embedding_dim, embedding_dim)
# relationship class prediction network
self.rel_class_aux_net = nn.Linear(embedding_dim, num_preds)
# predicate mask prediction network
pred_mask_layers = [2 * embedding_dim, gconv_hidden_dim, num_preds]
self.pred_mask_net = build_mlp(pred_mask_layers, batch_norm=mlp_normalization)
pred_ground_net_dim = 4
# input dimension 128 for relationship
pred_ground_net_layers = [gconv_dim, gconv_hidden_dim, pred_ground_net_dim]
self.pred_ground_net = build_mlp(pred_ground_net_layers, batch_norm=mlp_normalization)
# input dimn is 3*128 for concatenated triplet
triplet_context_layers = [4*gconv_dim, gconv_hidden_dim, 3*gconv_dim]
#self.triplet_context_net = nn.Linear(4*gconv_dim, 3*gconv_dim)
#triplet_context_layers = [3*gconv_dim, gconv_hidden_dim, 4]
#self.triplet_context_net = nn.Linear(4*gconv_dim, 3*gconv_dim)
self.triplet_context_net = build_mlp(triplet_context_layers, batch_norm=mlp_normalization)
if sg_context_dim > 0:
refinement_kwargs = {
'dims': (gconv_dim + sg_context_dim + layout_noise_dim,) + refinement_dims,
'normalization': normalization,
'activation': activation,
}
else:
refinement_kwargs = {
'dims': (gconv_dim + layout_noise_dim,) + refinement_dims,
'normalization': normalization,
'activation': activation,
}
self.refinement_net = RefinementNetwork(**refinement_kwargs)
def __init__(self,
vocab,
image_size=(64, 64),
embedding_dim=64,
gconv_dim=128,
gconv_hidden_dim=512,
gconv_pooling='avg',
gconv_num_layers=5,
refinement_dims=(1024, 512, 256, 128, 64),
normalization='batch',
activation='leakyrelu-0.2',
mask_size=None,
mlp_normalization='none',
layout_noise_dim=0,
**kwargs):
super(ReflectionModel, self).__init__()
if len(kwargs) > 0:
print("WARNING: Model got unexpected kwargs ", kwargs)
self.vocab = vocab
self.image_size = image_size
self.layout_noise_dim = layout_noise_dim
num_objs = len(vocab['object_idx_to_name'])
num_preds = len(vocab['pred_idx_to_name'])
self.obj_embeddings = nn.Embedding(num_objs + 1, embedding_dim)
self.pred_embeddings = nn.Embedding(num_preds, embedding_dim)
if gconv_num_layers == 0:
self.gconv = nn.Linear(embedding_dim, gconv_dim)
elif gconv_num_layers > 0:
gconv_kwargs = {
'input_dim': embedding_dim,
'output_dim': gconv_dim,
'hidden_dim': gconv_hidden_dim,
'pooling': gconv_num_layers - 1,
'mlp_normalization': mlp_normalization
}
self.gconv = GraphTripleConv(**gconv_kwargs)
self.gconv_net = None
if gconv_num_layers > 1:
gconv_kwargs = {
'input_dim': gconv_dim,
'hidden_dim': gconv_hidden_dim,
'pooling': gconv_pooling,
'num_layers': gconv_num_layers - 1,
'mlp_normalization': mlp_normalization,
}
self.gconv_net = GraphTripleConvNet(**gconv_kwargs)
# Network for regressing bounding box using multilayer perceptual
box_net_dim = 4
box_net_layers = [gconv_dim, gconv_hidden_dim, box_net_dim]
self.box_net = build_mlp(box_net_layers, batch_norm=mlp_normalization)
# Network for regress segmentation.
self.mask_net = None
if mask_size is not None and mask_size > 0:
self.mask_net = self._build_mask_net(num_objs, gconv_dim,
mask_size)
# rel_aux_layers >>??
rel_aux_layers = [2 * embedding_dim + 8, gconv_hidden_dim, num_preds]
self.rel_aux_net = build_mlp(rel_aux_layers,
batch_norm=mlp_normalization)
# Define cascaded refinement network.
refinement_kwargs = {
'dims': (gconv_dim + layout_noise_dim, ) + refinement_dims,
'normalization': normalization,
'activation': activation,
}
self.refinement_net = RefinementNetwork(**refinement_kwargs)
def __init__(self,
vocab,
image_size=(64, 64),
embedding_dim=64,
gconv_dim=128,
gconv_hidden_dim=512,
gconv_pooling='avg',
gconv_num_layers=5,
refinement_dims=(1024, 512, 256, 128, 64),
normalization='batch',
activation='leakyrelu-0.2',
mask_size=None,
mlp_normalization='none',
layout_noise_dim=0,
**kwargs):
super(Sg2ImModel, self).__init__()
# We used to have some additional arguments:
# vec_noise_dim, gconv_mode, box_anchor, decouple_obj_predictions
if len(kwargs) > 0:
print('WARNING: Model got unexpected kwargs ', kwargs)
self.vocab = vocab # discitonary/dataframe
self.image_size = image_size # H, W
self.layout_noise_dim = layout_noise_dim # scalar
num_objs = len(vocab['object_idx_to_name'])
num_preds = len(vocab['pred_idx_to_name'])
self.obj_embeddings = nn.Embedding(num_objs + 1, embedding_dim)
self.pred_embeddings = nn.Embedding(num_preds, embedding_dim)
## Load graph convolution model
# There are 2 graph convolution model self.gconv and self.gconv_net
# self.gconv is required, self.gconv_net is an additional (optional) model after self.gconv
# The reason is to separate one that accepts embedding to the ones that follows with constant input_dim
if gconv_num_layers == 0:
self.gconv = nn.Linear(embedding_dim, gconv_dim)
elif gconv_num_layers > 0:
gconv_kwargs = {
'input_dim': embedding_dim,
'output_dim': gconv_dim,
'hidden_dim': gconv_hidden_dim,
'pooling': gconv_pooling,
'mlp_normalization': mlp_normalization,
}
self.gconv = GraphTripleConv(**gconv_kwargs)
self.gconv_net = None
if gconv_num_layers > 1:
gconv_kwargs = {
'input_dim': gconv_dim,
'hidden_dim': gconv_hidden_dim,
'pooling': gconv_pooling,
'num_layers': gconv_num_layers - 1,
'mlp_normalization': mlp_normalization,
}
self.gconv_net = GraphTripleConvNet(**gconv_kwargs)
## BBOX model
box_net_dim = 4
box_net_layers = [gconv_dim, gconv_hidden_dim, box_net_dim]
self.box_net = build_mlp(box_net_layers, batch_norm=mlp_normalization)
# MASK model
self.mask_net = None
if mask_size is not None and mask_size > 0:
self.mask_net = self._build_mask_net(num_objs, gconv_dim,
mask_size)
# AUX model
# TODO: what task? retrieving the relation between 2 nodes?
rel_aux_layers = [2 * embedding_dim + 8, gconv_hidden_dim, num_preds]
self.rel_aux_net = build_mlp(rel_aux_layers,
batch_norm=mlp_normalization)
# Refinement model
refinement_kwargs = {
'dims': (gconv_dim + layout_noise_dim, ) + refinement_dims,
'normalization': normalization,
'activation': activation,
}
self.refinement_net = RefinementNetwork(**refinement_kwargs)
def __init__(self,
vocab,
image_size=(64, 64),
embedding_dim=64,
gconv_dim=128,
gconv_hidden_dim=512,
gconv_pooling='avg',
gconv_num_layers=5,
refinement_dims=(1024, 512, 256, 128, 64),
normalization='batch',
activation='leakyrelu-0.2',
mask_size=None,
mlp_normalization='none',
layout_noise_dim=0,
model_type=None,
**kwargs):
super(Sg2ImModel, self).__init__()
# We used to have some additional arguments:
# vec_noise_dim, gconv_mode, box_anchor, decouple_obj_predictions
if len(kwargs) > 0:
print('WARNING: Model got unexpected kwargs ', kwargs)
self.vocab = vocab
self.image_size = image_size
self.layout_noise_dim = layout_noise_dim
num_objs = len(vocab['object_idx_to_name'])
num_preds = len(vocab['pred_idx_to_name'])
self.obj_embeddings = nn.Embedding(num_objs + 1, embedding_dim)
self.pred_embeddings = nn.Embedding(num_preds, embedding_dim)
if gconv_num_layers == 0:
self.gconv = nn.Linear(embedding_dim, gconv_dim)
elif gconv_num_layers > 0:
gconv_kwargs = {
'input_dim': embedding_dim,
'output_dim': gconv_dim,
'hidden_dim': gconv_hidden_dim,
'pooling': gconv_pooling,
'mlp_normalization': mlp_normalization,
'model_type': model_type,
}
model_constructor = None
if model_type == 'baseline':
model_constructor = GraphTripleConv
elif model_type == 'random-walk-baseline':
model_constructor = GraphTripleRandomWalkConv
elif model_type == 'rnn-baseline':
model_constructor = GraphTripleRnnConv
elif model_type == 'graphsage-maxpool':
model_constructor = GraphSageMaxPoolConv
elif model_type == 'graphsage-lstm':
model_constructor = GraphSageLSTMConv
elif model_type == 'graphsage-mean':
model_constructor = GraphSageMeanConv
elif model_type == 'gat-baseline':
model_constructor = GraphAttnConv
print("gconv_kwargs", gconv_kwargs)
print("model_type", model_type)
self.gconv = model_constructor(**gconv_kwargs)
self.gconv_net = None
if gconv_num_layers > 1:
gconv_kwargs = {
'input_dim': gconv_dim,
'hidden_dim': gconv_hidden_dim,
'pooling': gconv_pooling,
'num_layers': gconv_num_layers - 1,
'mlp_normalization': mlp_normalization,
'model_type': model_type,
}
self.gconv_net = GraphTripleConvNet(**gconv_kwargs)
box_net_dim = 4
box_net_layers = [gconv_dim, gconv_hidden_dim, box_net_dim]
self.box_net = build_mlp(box_net_layers, batch_norm=mlp_normalization)
self.mask_net = None
if mask_size is not None and mask_size > 0:
self.mask_net = self._build_mask_net(num_objs, gconv_dim,
mask_size)
rel_aux_layers = [2 * embedding_dim + 8, gconv_hidden_dim, num_preds]
self.rel_aux_net = build_mlp(rel_aux_layers,
batch_norm=mlp_normalization)
refinement_kwargs = {
'dims': (gconv_dim + layout_noise_dim, ) + refinement_dims,
'normalization': normalization,
'activation': activation,
}
self.refinement_net = RefinementNetwork(**refinement_kwargs)