def __init__(self,
num_classes,
embedding_size,
input_dim=24,
dropout_p=0.0,
**kwargs):
super(ASTDNN, self).__init__()
self.num_classes = num_classes
self.dropout_p = dropout_p
self.input_dim = input_dim
self.frame1 = TimeDelayLayer_v2(input_dim=self.input_dim,
output_dim=512,
context_size=5,
dilation=1,
dropout_p=dropout_p)
self.frame2 = TimeDelayLayer_v2(input_dim=512,
output_dim=512,
context_size=3,
dilation=2,
dropout_p=dropout_p)
self.frame3 = TimeDelayLayer_v2(input_dim=512,
output_dim=512,
context_size=3,
dilation=3,
dropout_p=dropout_p)
self.frame4 = TimeDelayLayer_v2(input_dim=512,
output_dim=512,
context_size=1,
dilation=1,
dropout_p=dropout_p)
self.frame5 = TimeDelayLayer_v2(input_dim=512,
output_dim=1500,
context_size=1,
dilation=1,
dropout_p=dropout_p)
self.attention_statistic = AttentionStatisticPooling(input_dim=1500,
hidden_dim=64)
self.segment6 = nn.Sequential(nn.Linear(3000, 512), nn.ReLU(),
nn.BatchNorm1d(512))
self.segment7 = nn.Sequential(nn.Linear(512,
embedding_size), nn.ReLU(),
nn.BatchNorm1d(embedding_size))
self.classifier = nn.Linear(embedding_size, num_classes)
self.drop = nn.Dropout(p=self.dropout_p)
# self.out_act = nn.Sigmoid()
# self.relu = nn.LeakyReLU()
for m in self.modules(): # 对于各层参数的初始化
if isinstance(m, nn.BatchNorm1d): # weight设置为1，bias为0
m.weight.data.fill_(1)
m.bias.data.zero_()
elif isinstance(m, TimeDelayLayer_v2):
nn.init.kaiming_normal_(m.kernel.weight,
mode='fan_out',
nonlinearity='relu')
def __init__(self,
num_classes,
embedding_size,
input_dim,
alpha=0.,
input_norm='',
channels=[512, 512, 512, 512, 512, 1536],
context=[5, 3, 3, 5],
downsample=None,
resnet_size=17,
stride=[1],
dropout_p=0.0,
dropout_layer=False,
encoder_type='STAP',
block_type='Basic',
mask='None',
mask_len=20,
**kwargs):
super(RET_v2, self).__init__()
self.num_classes = num_classes
self.dropout_p = dropout_p
self.dropout_layer = dropout_layer
self.input_dim = input_dim
self.alpha = alpha
self.mask = mask
self.channels = channels
self.context = context
self.stride = stride
if len(self.stride) == 1:
while len(self.stride) < 4:
self.stride.append(self.stride[0])
self.tdnn_size = resnet_size
tdnn_type = {14: [1, 1, 1, 0], 17: [1, 1, 1, 1]}
self.layers = tdnn_type[
resnet_size] if resnet_size in tdnn_type else tdnn_type[17]
if input_norm == 'Instance':
self.inst_layer = nn.InstanceNorm1d(input_dim)
elif input_norm == 'Mean':
self.inst_layer = Mean_Norm()
else:
self.inst_layer = None
if self.mask == "time":
self.maks_layer = TimeMaskLayer(mask_len=mask_len)
elif self.mask == "freq":
self.mask = FreqMaskLayer(mask_len=mask_len)
elif self.mask == "time_freq":
self.mask_layer = nn.Sequential(TimeMaskLayer(mask_len=mask_len),
FreqMaskLayer(mask_len=mask_len))
else:
self.mask_layer = None
TDNN_layer = TimeDelayLayer_v5
if block_type == 'Basic':
Blocks = TDNNBlock
elif block_type == 'Basic_v6':
Blocks = TDNNBlock_v6
TDNN_layer = TimeDelayLayer_v6
elif block_type == 'Agg':
Blocks = TDNNBottleBlock
elif block_type == 'cbam':
Blocks = TDNNCBAMBlock
else:
raise ValueError(block_type)
self.frame1 = TDNN_layer(input_dim=self.input_dim,
output_dim=self.channels[0],
context_size=5,
dilation=1,
stride=self.stride[0])
self.frame2 = self._make_block(block=Blocks,
inplanes=self.channels[0],
planes=self.channels[0],
downsample=downsample,
dilation=1,
blocks=self.layers[0])
self.frame4 = TDNN_layer(input_dim=self.channels[0],
output_dim=self.channels[1],
context_size=3,
dilation=1,
stride=self.stride[1])
self.frame5 = self._make_block(block=Blocks,
inplanes=self.channels[1],
planes=self.channels[1],
downsample=downsample,
dilation=1,
blocks=self.layers[1])
self.frame7 = TDNN_layer(input_dim=self.channels[1],
output_dim=self.channels[2],
context_size=3,
dilation=1,
stride=self.stride[2])
self.frame8 = self._make_block(block=Blocks,
inplanes=self.channels[2],
planes=self.channels[2],
downsample=downsample,
dilation=1,
blocks=self.layers[2])
if self.layers[3] != 0:
self.frame10 = TDNN_layer(input_dim=self.channels[2],
output_dim=self.channels[3],
context_size=5,
dilation=1,
stride=self.stride[3])
self.frame11 = self._make_block(block=Blocks,
inplanes=self.channels[3],
planes=self.channels[3],
downsample=downsample,
dilation=1,
blocks=self.layers[3])
self.frame13 = TDNN_layer(input_dim=self.channels[3],
output_dim=self.channels[4],
context_size=1,
dilation=1)
self.frame14 = TDNN_layer(input_dim=self.channels[4],
output_dim=self.channels[5],
context_size=1,
dilation=1)
self.drop = nn.Dropout(p=self.dropout_p)
if encoder_type == 'STAP':
self.encoder = StatisticPooling(input_dim=self.channels[5])
elif encoder_type == 'SASP':
self.encoder = AttentionStatisticPooling(
input_dim=self.channels[5], hidden_dim=512)
else:
raise ValueError(encoder_type)
self.segment1 = nn.Sequential(nn.Linear(self.channels[5] * 2, 512),
nn.ReLU(), nn.BatchNorm1d(512))
self.segment2 = nn.Sequential(nn.Linear(512,
embedding_size), nn.ReLU(),
nn.BatchNorm1d(embedding_size))
if self.alpha:
self.l2_norm = L2_Norm(self.alpha)
self.classifier = nn.Linear(embedding_size, num_classes)
# self.bn = nn.BatchNorm1d(num_classes)
for m in self.modules(): # 对于各层参数的初始化
if isinstance(m, nn.BatchNorm1d): # weight设置为1，bias为0
m.weight.data.fill_(1)
m.bias.data.zero_()
elif isinstance(m, TimeDelayLayer_v5):
# nn.init.normal(m.kernel.weight, mean=0., std=1.)
nn.init.kaiming_normal_(m.kernel.weight,
mode='fan_out',
nonlinearity='relu')
def __init__(self,
num_classes,
embedding_size,
input_dim,
alpha=0.,
input_norm='',
filter=None,
sr=16000,
feat_dim=64,
exp=False,
filter_fix=False,
dropout_p=0.0,
dropout_layer=False,
encoder_type='STAP',
num_classes_b=0,
block_type='basic',
first_2d=False,
stride=[1],
mask='None',
mask_len=20,
channels=[512, 512, 512, 512, 1500],
**kwargs):
super(TDNN_v5, self).__init__()
self.num_classes = num_classes
self.num_classes_b = num_classes_b
self.dropout_p = dropout_p
self.dropout_layer = dropout_layer
self.input_dim = input_dim
self.channels = channels
self.alpha = alpha
self.mask = mask
self.filter = filter
self.feat_dim = feat_dim
self.block_type = block_type.lower()
self.stride = stride
if len(self.stride) == 1:
while len(self.stride) < 4:
self.stride.append(self.stride[0])
if np.sum((self.stride)) > 4:
print('The stride for tdnn layers are: ', str(self.stride))
if self.filter == 'fDLR':
self.filter_layer = fDLR(input_dim=input_dim,
sr=sr,
num_filter=feat_dim,
exp=exp,
filter_fix=filter_fix)
elif self.filter == 'fBLayer':
self.filter_layer = fBLayer(input_dim=input_dim,
sr=sr,
num_filter=feat_dim,
exp=exp,
filter_fix=filter_fix)
elif self.filter == 'fBPLayer':
self.filter_layer = fBPLayer(input_dim=input_dim,
sr=sr,
num_filter=feat_dim,
exp=exp,
filter_fix=filter_fix)
elif self.filter == 'fLLayer':
self.filter_layer = fLLayer(input_dim=input_dim,
num_filter=feat_dim,
exp=exp)
elif self.filter == 'Avg':
self.filter_layer = nn.AvgPool2d(kernel_size=(1, 7), stride=(1, 3))
else:
self.filter_layer = None
if input_norm == 'Instance':
self.inst_layer = nn.InstanceNorm1d(input_dim)
elif input_norm == 'Mean':
self.inst_layer = Mean_Norm()
else:
self.inst_layer = None
if self.mask == "time":
self.maks_layer = TimeMaskLayer(mask_len=mask_len)
elif self.mask == "freq":
self.mask = FreqMaskLayer(mask_len=mask_len)
elif self.mask == "time_freq":
self.mask_layer = nn.Sequential(TimeMaskLayer(mask_len=mask_len),
FreqMaskLayer(mask_len=mask_len))
else:
self.mask_layer = None
if self.filter_layer != None:
self.input_dim = feat_dim
if self.block_type == 'basic':
TDlayer = TimeDelayLayer_v5
elif self.block_type == 'basic_v6':
TDlayer = TimeDelayLayer_v6
elif self.block_type == 'shuffle':
TDlayer = ShuffleTDLayer
else:
raise ValueError(self.block_type)
if not first_2d:
self.frame1 = TimeDelayLayer_v5(input_dim=self.input_dim,
output_dim=self.channels[0],
context_size=5,
stride=self.stride[0],
dilation=1)
else:
self.frame1 = Conv2DLayer(input_dim=self.input_dim,
output_dim=self.channels[0],
stride=self.stride[0])
self.frame2 = TDlayer(input_dim=self.channels[0],
output_dim=self.channels[1],
context_size=3,
stride=self.stride[1],
dilation=2)
self.frame3 = TDlayer(input_dim=self.channels[1],
output_dim=self.channels[2],
context_size=3,
stride=self.stride[2],
dilation=3)
self.frame4 = TDlayer(input_dim=self.channels[2],
output_dim=self.channels[3],
context_size=1,
stride=self.stride[0],
dilation=1)
self.frame5 = TimeDelayLayer_v5(input_dim=self.channels[3],
output_dim=self.channels[4],
context_size=1,
stride=self.stride[3],
dilation=1)
self.drop = nn.Dropout(p=self.dropout_p)
if encoder_type == 'STAP':
self.encoder = StatisticPooling(input_dim=self.channels[4])
self.encoder_output = self.channels[4] * 2
elif encoder_type == 'ASP':
self.encoder = AttentionStatisticPooling(
input_dim=self.channels[4], hidden_dim=self.channels[4])
self.encoder_output = self.channels[4] * 2
elif encoder_type == 'SAP':
self.encoder = SelfAttentionPooling(input_dim=self.channels[4],
hidden_dim=self.channels[4])
self.encoder_output = self.channels[4]
elif encoder_type == 'Ghos_v3':
self.encoder = GhostVLAD_v3(num_clusters=self.num_classes_b,
gost=1,
dim=self.channels[4])
self.encoder_output = self.channels[4] * 2
else:
raise ValueError(encoder_type)
self.segment6 = nn.Sequential(nn.Linear(self.encoder_output, 512),
nn.ReLU(), nn.BatchNorm1d(512))
self.segment7 = nn.Sequential(nn.Linear(512,
embedding_size), nn.ReLU(),
nn.BatchNorm1d(embedding_size))
if self.alpha:
self.l2_norm = L2_Norm(self.alpha)
self.classifier = nn.Linear(embedding_size, num_classes)
# self.bn = nn.BatchNorm1d(num_classes)
for m in self.modules(): # 对于各层参数的初始化
if isinstance(m, nn.BatchNorm1d): # weight设置为1，bias为0
m.weight.data.fill_(1)
m.bias.data.zero_()
elif isinstance(m, TimeDelayLayer_v5):
# nn.init.normal(m.kernel.weight, mean=0., std=1.)
nn.init.kaiming_normal_(m.kernel.weight,
mode='fan_out',
nonlinearity='relu')
def __init__(self,
num_classes,
embedding_size,
input_dim,
alpha=0.,
input_norm='',
dropout_p=0.0,
encoder_type='STAP',
**kwargs):
super(TDNN_v4, self).__init__()
self.num_classes = num_classes
self.dropout_p = dropout_p
self.input_dim = input_dim
self.alpha = alpha
if input_norm == 'Instance':
self.inst_layer = nn.InstanceNorm1d(input_dim)
elif input_norm == 'Mean':
self.inst_layer = Mean_Norm()
else:
self.inst_layer = None
self.frame1 = TimeDelayLayer_v4(input_dim=self.input_dim,
output_dim=512,
context_size=5,
dilation=1)
self.frame2 = TimeDelayLayer_v4(input_dim=512,
output_dim=512,
context_size=3,
dilation=2)
self.frame3 = TimeDelayLayer_v4(input_dim=512,
output_dim=512,
context_size=3,
dilation=3)
self.frame4 = TimeDelayLayer_v4(input_dim=512,
output_dim=512,
context_size=1,
dilation=1)
self.frame5 = TimeDelayLayer_v4(input_dim=512,
output_dim=1500,
context_size=1,
dilation=1)
self.drop = nn.Dropout(p=self.dropout_p)
if encoder_type == 'STAP':
self.encoder = StatisticPooling(input_dim=1500)
elif encoder_type == 'SASP':
self.encoder = AttentionStatisticPooling(input_dim=1500,
hidden_dim=512)
else:
raise ValueError(encoder_type)
self.segment6 = nn.Sequential(nn.Linear(3000, 512), nn.ReLU(),
nn.BatchNorm1d(512))
self.segment7 = nn.Sequential(nn.Linear(512,
embedding_size), nn.ReLU(),
nn.BatchNorm1d(embedding_size))
if self.alpha:
self.l2_norm = L2_Norm(self.alpha)
self.classifier = nn.Linear(embedding_size, num_classes)
# self.bn = nn.BatchNorm1d(num_classes)
for m in self.modules(): # 对于各层参数的初始化
if isinstance(m, nn.BatchNorm1d): # weight设置为1，bias为0
m.weight.data.fill_(1)
m.bias.data.zero_()
elif isinstance(m, TimeDelayLayer_v2):
# nn.init.normal(m.kernel.weight, mean=0., std=1.)
nn.init.kaiming_normal_(m.kernel.weight,
mode='fan_out',
nonlinearity='relu')