def __init__(self,
num_features,
n_classes,
num_hidden,
num_hidden_layers,
dropout,
activation,
heads=1,
bias=True):
super(PFeaSt, self).__init__()
# dropout
if dropout:
self.dropout = nn.Dropout(p=dropout)
else:
self.dropout = nn.Dropout(p=0.)
#activation
self.activation = activation
# input layer
self.conv_input = FeaStConv(num_features,
num_hidden,
heads=1,
bias=bias)
# Hidden layers
self.layers = nn.ModuleList()
for _ in range(num_hidden_layers):
self.layers.append(
FeaStConv(num_hidden, num_hidden, heads=1, bias=bias))
# output layer
self.conv_output = FeaStConv(num_hidden, n_classes, heads=1, bias=bias)
def __init__(self, nfeat, nhid, nclass, dropout, nlayer=3):
super(FeaSTX, self).__init__()
self.conv1 = FeaStConv(nfeat, nhid)
self.conv2 = FeaStConv(nhid, nclass)
self.convx = nn.ModuleList(
[FeaStConv(nhid, nhid) for _ in range(nlayer - 2)])
self.dropout_p = dropout
def __init__(self, n_features, heads=4, masif_descr=False):
# REMEMBER TO UPDATE MODEL NAME
super(TenConvwAffine, self).__init__()
self.masif_descr = masif_descr
if masif_descr is True:
self.pre_lin = Linear(80, n_features)
self.conv1 = FeaStConv(n_features, 16, heads=heads)
self.conv2 = FeaStConv(16, 16, heads=heads)
self.conv3 = FeaStConv(16, 16, heads=heads)
self.conv4 = FeaStConv(16, 16, heads=heads)
self.conv5 = FeaStConv(16, 16, heads=heads)
self.conv6 = FeaStConv(16, 16, heads=heads)
self.conv7 = FeaStConv(16, 16, heads=heads)
self.conv8 = FeaStConv(16, 16, heads=heads)
self.conv9 = FeaStConv(16, 16, heads=heads)
self.conv10 = FeaStConv(16, 16, heads=heads)
self.lin1 = Linear(16, 16)
self.lin2 = Linear(16, 4)
self.s1 = SELU()
self.s2 = SELU()
self.s3 = SELU()
self.s4 = SELU()
self.s5 = SELU()
self.s6 = SELU()
self.s7 = SELU()
self.s8 = SELU()
self.s9 = SELU()
self.s10 = SELU()
self.s11 = SELU()
self.s12 = SELU()
self.out = Linear(4, 1)
self.affine1 = Linear(16, 16)
self.affine2 = Linear(16, 16)
def __init__(self, n_features, lin2=4, heads=4):
super(ThreeConvBlock2, self).__init__()
self.conv1 = FeaStConv(n_features, 32, heads=heads)
self.conv2 = FeaStConv(32, 32, heads=heads)
self.conv3 = FeaStConv(32, 32, heads=heads)
self.lin1 = Linear(32, 64)
self.lin2 = Linear(64, lin2)
self.out = Linear(lin2, 1)
def __init__(self, in_features, out_features, heads=4):
super(FourConvPoolBlock, self).__init__()
self.conv1 = FeaStConv(in_features, 16, heads=heads)
self.conv2 = FeaStConv(16, 16, heads=heads)
self.conv3 = FeaStConv(16, 16, heads=heads)
self.conv4 = FeaStConv(16, out_features, heads=heads)
self.batch = BatchNorm(out_features)
self.pool = TopKPooling(16)
def __init__(self, n_features, heads=4):
super(MultiScaleFeaStNet,self).__init__()
self.conv1 = FeaStConv(n_features, 16, heads=heads)
self.conv2 = FeaStConv(16, 32, heads=heads)
self.conv3 = FeaStConv(32, 64, heads=heads)
self.conv4 = FeaStConv(64, 32, heads=heads)
self.conv5 = FeaStConv(64, 16, heads=heads)
self.lin1 = Linear(32, 256)
self.lin2 = Linear(256, 6890)
self.out = Linear(6890, 1)
def __init__(self, n_features, heads=4, dropout=True):
super(ThreeConv, self).__init__()
self.conv1 = FeaStConv(n_features, 16, heads=heads)
self.conv2 = FeaStConv(16, 32, heads=heads)
self.conv3 = FeaStConv(32, 64, heads=heads)
self.batch = BatchNorm(64)
self.lin1 = Linear(64, 32)
self.lin2 = Linear(32, 16)
self.lin3 = Linear(16, 8)
self.lin4 = Linear(8, 4)
self.out = Linear(4, 1)
def __init__(self, in_features, out_features, heads=4):
super(FourConvBlock, self).__init__()
self.conv1 = FeaStConv(in_features, 4, heads=heads)
torch.nn.init.kaiming_normal_(self.conv1, nonlinearity='relu')
self.conv2 = FeaStConv(4, 4, heads=heads)
torch.nn.init.kaiming_normal_(self.conv2, nonlinearity='relu')
self.conv3 = FeaStConv(4, 4, heads=heads)
torch.nn.init.kaiming_normal_(self.conv3, nonlinearity='relu')
self.conv4 = FeaStConv(4, out_features, heads=heads)
torch.nn.init.kaiming_normal_(self.conv4, nonlinearity='relu')
self.batch = BatchNorm(out_features)
def __init__(self, n_features, heads=4):
super(ThreeConvBlock, self).__init__()
self.conv1 = FeaStConv(n_features, 16, heads=heads)
self.conv2 = FeaStConv(16, 16, heads=heads)
self.conv3 = FeaStConv(16, 16, heads=heads)
self.lin1 = Linear(16, 16)
self.lin2 = Linear(16, 4)
self.s1 = SELU()
self.s2 = SELU()
self.s3 = SELU()
self.s4 = SELU()
self.s5 = SELU()
self.out = Linear(4, 1)
def __init__(self, n_features, heads=4, masif_descr=False):
# REMEMBER TO UPDATE MODEL NAME
super(TwoConv, self).__init__()
self.masif_descr = masif_descr
if masif_descr is True:
self.pre_lin = Linear(80, n_features)
self.conv1 = FeaStConv(n_features, 16, heads=heads)
self.conv2 = FeaStConv(16, 16, heads=heads)
self.lin1 = Linear(16, 64)
self.lin2 = Linear(64, 4)
self.s1 = SELU()
self.s2 = SELU()
self.s3 = SELU()
self.s4 = SELU()
self.out = Linear(4, 1)
def __init__(self, n_features, heads=4):
# REMEMBER TO UPDATE MODEL NAME
super(FourConv, self).__init__()
self.conv1 = FeaStConv(n_features, 16, heads=heads)
self.conv2 = FeaStConv(16, 16, heads=heads)
self.conv3 = FeaStConv(16, 16, heads=heads)
self.conv4 = FeaStConv(16, 16, heads=heads)
self.lin1 = Linear(16, 64)
self.lin2 = Linear(64, 16)
self.out = Linear(16, 1)
self.s1 = SELU()
self.s2 = SELU()
self.s3 = SELU()
self.s4 = SELU()
self.s5 = SELU()
self.s6 = SELU()
def test_feast_conv():
x1 = torch.randn(4, 16)
x2 = torch.randn(2, 16)
edge_index = torch.tensor([[0, 1, 2, 3], [0, 0, 1, 1]])
row, col = edge_index
adj = SparseTensor(row=row, col=col, sparse_sizes=(4, 4))
conv = FeaStConv(16, 32, heads=2)
assert conv.__repr__() == 'FeaStConv(16, 32, heads=2)'
out = conv(x1, edge_index)
assert out.size() == (4, 32)
assert torch.allclose(conv(x1, adj.t()), out, atol=1e-6)
t = '(Tensor, Tensor) -> Tensor'
jit = torch.jit.script(conv.jittable(t))
assert jit(x1, edge_index).tolist() == out.tolist()
t = '(Tensor, SparseTensor) -> Tensor'
jit = torch.jit.script(conv.jittable(t))
assert torch.allclose(jit(x1, adj.t()), out, atol=1e-6)
adj = adj.sparse_resize((4, 2))
out = conv((x1, x2), edge_index)
assert out.size() == (2, 32)
assert torch.allclose(conv((x1, x2), adj.t()), out, atol=1e-6)
t = '(PairTensor, Tensor) -> Tensor'
jit = torch.jit.script(conv.jittable(t))
assert jit((x1, x2), edge_index).tolist() == out.tolist()
t = '(PairTensor, SparseTensor) -> Tensor'
jit = torch.jit.script(conv.jittable(t))
assert torch.allclose(jit((x1, x2), adj.t()), out, atol=1e-6)
def test_feast_conv():
in_channels, out_channels = (16, 32)
edge_index = torch.tensor([[0, 0, 0, 1, 2, 3], [1, 2, 3, 0, 0, 0]])
num_nodes = edge_index.max().item() + 1
x = torch.randn((num_nodes, in_channels))
conv = FeaStConv(in_channels, out_channels, heads=2)
assert conv.__repr__() == 'FeaStConv(16, 32, heads=2)'
assert conv(x, edge_index).size() == (num_nodes, out_channels)
def __init__(self, hcs, act):
super(NodeModel, self).__init__()
self.hcs = hcs
self.act = act
self.FeaStConv = FeaStConv(
(2 + N_scatter_feats) * self.hcs,
(2 + N_scatter_feats) * self.hcs, 1, False)
self.decoder = torch.nn.Linear(
(2 + N_scatter_feats) * self.hcs, self.hcs)
def makeConv(self, nin, nout, conv_args):
# FeaStConv
if(conv_args['name'] == 'FeaSt'):
return FeaStConv(nin, nout, conv_args["num_heads"])
# SplineConv
if(conv_args['name'] == 'Spline'):
return SplineConv(nin, nout,
self.edge_dim,
conv_args["kernel_size"],
is_open_spline=conv_args["open_spline"],
degree=conv_args["degree"]
)
# GMMConv
if(conv_args['name'] == "GMM"):
return GMMConv(nin, nout,
self.edge_dim,
conv_args["kernel_size"]
)
# NNConv
if(conv_args["name"] == "NN"):
h = nn.Sequential(
nn.Linear(self.edge_dim, nin*nout),
nn.ReLU()
#nn.Linear(int(nin*nout/2), nin*nout)
)
return NNConv(nin, nout, h)
# PPFConv
if(conv_args["name"] == "PPF"):
cin = nin+4
hl = nn.Sequential(
nn.Linear(cin, conv_args['nhidden']),
nn.ReLU()
)
hg = nn.Linear(conv_args['nhidden'], nout)
#hl = nn.Sequential(
#nn.Linear(cin, int(conv_args['nhidden']/2)),
#nn.ReLU(),
#nn.Linear(int(conv_args['nhidden']/2), conv_args['nhidden'])
#)
#hg = nn.Sequential(
#nn.Linear(conv_args['nhidden'], nout),
#nn.ReLU(),
#nn.Linear(nout, nout)
#)
return PPFConv(hl, hg)
# CGConv
if(conv_args["name"] == "CG"):
return CGConv(nin, self.edge_dim)
def __init__(self, n_features):
super(MultiScaleEncoder, self).__init__()
# Will have to update these
self.conv1 = FeaStConv(n_features, 16, heads=4)
self.conv2 = FeaStConv(32, 16, heads=4)
self.conv3 = FeaStConv(32, 16, heads=4)
self.conv4 = FeaStConv(48, 16, heads=4)
self.conv5 = FeaStConv(16, 16, heads=4)
self.affine1 = Linear(n_features, 16)
self.affine2 = Linear(n_features, 16)
self.affine3 = Linear(16, 16)
self.affine4 = Linear(16, 16)
self.lin1 = Linear(16, 64)
self.lin2 = Linear(64, 8)
self.out = Linear(8, 1)
self.s1 = SELU()
self.s2 = SELU()
self.s3 = SELU()
self.s4 = SELU()
self.s5 = SELU()
self.s6 = SELU()
self.s7 = SELU()
def test_feast_conv():
in_channels, out_channels = (16, 32)
edge_index = torch.tensor([[0, 0, 0, 1, 2, 3], [1, 2, 3, 0, 0, 0]])
num_nodes = edge_index.max().item() + 1
x = torch.randn((num_nodes, in_channels))
conv = FeaStConv(in_channels, out_channels, heads=2)
assert conv.__repr__() == 'FeaStConv(16, 32, heads=2)'
out = conv(x, edge_index)
assert out.size() == (num_nodes, out_channels)
jit_conv = conv.jittable(x=x, edge_index=edge_index)
jit_conv = torch.jit.script(jit_conv)
assert jit_conv(x, edge_index).tolist() == out.tolist()
def __init__(self, n_features, heads=4):
# REMEMBER TO UPDATE MODEL NAME
super(EightConv, self).__init__()
self.conv1 = FeaStConv(n_features, 16, heads=heads)
self.conv2 = FeaStConv(16, 16, heads=heads)
self.conv3 = FeaStConv(16, 16, heads=heads)
self.conv4 = FeaStConv(16, 16, heads=heads)
self.conv5 = FeaStConv(16, 16, heads=heads)
self.conv6 = FeaStConv(16, 16, heads=heads)
self.conv7 = FeaStConv(16, 16, heads=heads)
self.conv8 = FeaStConv(16, 16, heads=heads)
self.lin1 = Linear(16, 16)
self.lin2 = Linear(16, 4)
self.s1 = SELU()
self.s2 = SELU()
self.s3 = SELU()
self.s4 = SELU()
self.s5 = SELU()
self.s6 = SELU()
self.s7 = SELU()
self.s8 = SELU()
self.s9 = SELU()
self.s10 = SELU()
self.out = Linear(4, 1)
def __init__(self, nfeat, nhid, nclass, dropout, nlayer=2):
super(FeaST2, self).__init__()
self.conv1 = FeaStConv(nfeat, nhid)
self.conv2 = FeaStConv(nhid, nclass)
self.dropout_p = dropout
self.sig = nn.Sigmoid()
def init_layers(self, batch):
self.layer_lst = [] ##[in_channel, out_channel, in_pn, out_pn, max_neighbor_num, neighbor_num_lst,neighbor_id_lstlst,conv_layer, residual_layer]
self.layer_num = len(self.channel_lst)
in_point_num = self.point_num
in_channel = 3
for l in range(self.layer_num):
out_channel = self.channel_lst[l]
weight_num = self.weight_num_lst[l]
residual_rate = self.residual_rate_lst[l]
connection_info = np.load(self.connection_layer_fn_lst[l])
print ("##Layer",self.connection_layer_fn_lst[l])
out_point_num = connection_info.shape[0]
neighbor_num_lst = torch.FloatTensor(connection_info[:,0].astype(float)).cuda() #out_point_num*1
neighbor_id_dist_lstlst = connection_info[:, 1:] #out_point_num*(max_neighbor_num*2)
neighbor_id_lstlst = neighbor_id_dist_lstlst.reshape((out_point_num, -1,2))[:,:,0] #out_point_num*max_neighbor_num
#neighbor_id_lstlst = torch.LongTensor(neighbor_id_lstlst)
avg_neighbor_num = neighbor_num_lst.mean().item()
max_neighbor_num = neighbor_id_lstlst.shape[1]
pc_mask = torch.ones(in_point_num+1).cuda()
pc_mask[in_point_num]=0
neighbor_mask_lst = pc_mask[ torch.LongTensor(neighbor_id_lstlst)].contiguous() #out_pn*max_neighbor_num neighbor is 1 otherwise 0
if((residual_rate<0) or (residual_rate>1)):
print ("Invalid residual rate", residual_rate)
####parameters for conv###############
conv_layer = ""
if(residual_rate<1):
edge_index_lst = self.get_edge_index_lst_from_neighbor_id_lstlst(neighbor_id_lstlst, neighbor_num_lst)
print ("edge_index_lst", edge_index_lst.shape)
if(self.conv_method=="Cheb"):
conv_layer = edge_index_lst, ChebConv(in_channel, out_channel, K=6, normalization='sym', bias=True)
for p in conv_layer[-1].parameters():
p.data=p.data.cuda()
ii=0
for p in conv_layer[-1].parameters():
p.data=p.data.cuda()/10
self.register_parameter("GMM"+str(l)+"_"+str(ii),p)
ii+=1
elif(self.conv_method=="GAT"):
#conv_layer = edge_index_lst,GATConv(in_channel, out_channel, heads=1)
if((l!=((self.layer_num/2)-2)) and (l!=(self.layer_num-1))): #not middle or last layer
conv_layer = edge_index_lst, GATConv(in_channel, out_channel, heads=8, concat=True)
out_channel=out_channel*8
else:
conv_layer = edge_index_lst, GATConv(in_channel, out_channel, heads=8, concat=False)
for p in conv_layer[-1].parameters():
p.data=p.data.cuda()
ii=0
for p in conv_layer[-1].parameters():
p.data=p.data.cuda()
self.register_parameter("GAT"+str(l)+"_"+str(ii),p)
ii+=1
#conv_layer = edge
elif(self.conv_method=="GMM"):
pseudo_coordinates = self.get_GMM_pseudo_coordinates( edge_index_lst, neighbor_num_lst) #edge_num*2
#print ("pseudo_coordinates", pseudo_coordinates.shape)
conv_layer = edge_index_lst,pseudo_coordinates, GMMConv(in_channel, out_channel, dim=2 , kernel_size=25)
ii=0
for p in conv_layer[-1].parameters():
p.data=p.data.cuda()
self.register_parameter("GMM"+str(l)+"_"+str(ii),p)
ii+=1
elif(self.conv_method=="FeaST"):
conv_layer = edge_index_lst,FeaStConv(in_channel, out_channel, heads=32)
ii=0
for p in conv_layer[-1].parameters():
p.data=p.data.cuda()
self.register_parameter("FeaST"+str(l)+"_"+str(ii),p)
ii+=1
elif(self.conv_method=="vw"):
weights = torch.randn(out_point_num, max_neighbor_num, out_channel,in_channel)/(avg_neighbor_num*weight_num)
weights = nn.Parameter(weights.cuda())
self.register_parameter("weights"+str(l),weights)
bias = nn.Parameter(torch.zeros(out_channel).cuda())
if(self.perpoint_bias == 1):
bias= nn.Parameter(torch.zeros(out_point_num, out_channel).cuda())
self.register_parameter("bias"+str(l),bias)
conv_layer = (weights, bias)
else:
print ("ERROR! Unknown convolution layer!!!")
zeros_batch_outpn_outchannel = torch.zeros((batch, out_point_num, out_channel)).cuda()
####parameters for residual###############
residual_layer = ""
if(residual_rate>0):
p_neighbors = ""
weight_res = ""
if((out_point_num != in_point_num) and (self.use_vanilla_pool == 0)):
p_neighbors = nn.Parameter((torch.randn(out_point_num, max_neighbor_num)/(avg_neighbor_num)).cuda())
self.register_parameter("p_neighbors"+str(l),p_neighbors)
if(out_channel != in_channel):
weight_res = torch.randn(out_channel,in_channel)
#self.normalize_weights(weight_res)
weight_res = weight_res/out_channel
weight_res = nn.Parameter(weight_res.cuda())
self.register_parameter("weight_res"+str(l),weight_res)
residual_layer = (weight_res, p_neighbors)
#####put everythin together
layer = (in_channel, out_channel, in_point_num, out_point_num, weight_num, max_neighbor_num, neighbor_num_lst,neighbor_id_lstlst, conv_layer, residual_layer, residual_rate, neighbor_mask_lst, zeros_batch_outpn_outchannel)
self.layer_lst +=[layer]
print ("in_channel", in_channel,"out_channel",out_channel, "in_point_num", in_point_num, "out_point_num", out_point_num, "weight_num", weight_num,
"max_neighbor_num", max_neighbor_num, "avg_neighbor_num", avg_neighbor_num)
in_point_num=out_point_num
in_channel = out_channel
def __init__(self, n_features, dropout=True):
# REMEMBER TO UPDATE MODEL NAME
super(OneConv, self).__init__()
self.conv1 = FeaStConv(n_features, 16)
self.lin1 = Linear(16, 8)
self.out = Linear(8, 1)
def __init__(self, nfeat, nhid, nclass, dropout, nlayer=1):
super(FeaST1, self).__init__()
self.conv1 = FeaStConv(nfeat, nclass)
self.dropout_p = dropout