| | |
| | | self.num_layer = num_layer |
| | | |
| | | for i in range(num_layer): |
| | | layer = BasicLayer(in_filters if i == 0 else filters, filters, |
| | | stride if i == 0 else 1, bn_momentum) |
| | | layer = BasicLayer( |
| | | in_filters if i == 0 else filters, filters, stride if i == 0 else 1, bn_momentum |
| | | ) |
| | | self.add_module("layer_{}".format(i), layer) |
| | | |
| | | def forward(self, xs_pad, ilens): |
| | |
| | | |
| | | class ResNet34(AbsEncoder): |
| | | def __init__( |
| | | self, |
| | | input_size, |
| | | use_head_conv=True, |
| | | batchnorm_momentum=0.5, |
| | | use_head_maxpool=False, |
| | | num_nodes_pooling_layer=256, |
| | | layers_in_block=(3, 4, 6, 3), |
| | | filters_in_block=(32, 64, 128, 256), |
| | | self, |
| | | input_size, |
| | | use_head_conv=True, |
| | | batchnorm_momentum=0.5, |
| | | use_head_maxpool=False, |
| | | num_nodes_pooling_layer=256, |
| | | layers_in_block=(3, 4, 6, 3), |
| | | filters_in_block=(32, 64, 128, 256), |
| | | ): |
| | | super(ResNet34, self).__init__() |
| | | |
| | |
| | | |
| | | pre_filters = filters_in_block[0] |
| | | if use_head_conv: |
| | | self.pre_conv = torch.nn.Conv2d(1, pre_filters, 3, 1, 1, bias=False, padding_mode="zeros") |
| | | self.pre_conv_bn = torch.nn.BatchNorm2d(pre_filters, eps=1e-3, momentum=batchnorm_momentum) |
| | | self.pre_conv = torch.nn.Conv2d( |
| | | 1, pre_filters, 3, 1, 1, bias=False, padding_mode="zeros" |
| | | ) |
| | | self.pre_conv_bn = torch.nn.BatchNorm2d( |
| | | pre_filters, eps=1e-3, momentum=batchnorm_momentum |
| | | ) |
| | | |
| | | if use_head_maxpool: |
| | | self.head_maxpool = torch.nn.MaxPool2d(3, 1, padding=1) |
| | |
| | | if i == 0: |
| | | in_filters = pre_filters if self.use_head_conv else 1 |
| | | else: |
| | | in_filters = filters_in_block[i-1] |
| | | in_filters = filters_in_block[i - 1] |
| | | |
| | | block = BasicBlock(in_filters, |
| | | filters=filters_in_block[i], |
| | | num_layer=layers_in_block[i], |
| | | stride=1 if i == 0 else 2, |
| | | bn_momentum=batchnorm_momentum) |
| | | block = BasicBlock( |
| | | in_filters, |
| | | filters=filters_in_block[i], |
| | | num_layer=layers_in_block[i], |
| | | stride=1 if i == 0 else 2, |
| | | bn_momentum=batchnorm_momentum, |
| | | ) |
| | | self.add_module("block_{}".format(i), block) |
| | | |
| | | self.resnet0_dense = torch.nn.Conv2d(filters_in_block[-1], num_nodes_pooling_layer, 1) |
| | | self.resnet0_bn = torch.nn.BatchNorm2d(num_nodes_pooling_layer, eps=1e-3, momentum=batchnorm_momentum) |
| | | self.resnet0_bn = torch.nn.BatchNorm2d( |
| | | num_nodes_pooling_layer, eps=1e-3, momentum=batchnorm_momentum |
| | | ) |
| | | |
| | | self.time_ds_ratio = 8 |
| | | |
| | |
| | | return self.num_nodes_pooling_layer |
| | | |
| | | def forward( |
| | | self, |
| | | xs_pad: torch.Tensor, |
| | | ilens: torch.Tensor, |
| | | prev_states: torch.Tensor = None |
| | | self, xs_pad: torch.Tensor, ilens: torch.Tensor, prev_states: torch.Tensor = None |
| | | ) -> Tuple[torch.Tensor, torch.Tensor]: |
| | | |
| | | features = xs_pad |
| | | assert features.size(-1) == self.input_size, \ |
| | | "Dimension of features {} doesn't match the input_size {}.".format(features.size(-1), self.input_size) |
| | | assert ( |
| | | features.size(-1) == self.input_size |
| | | ), "Dimension of features {} doesn't match the input_size {}.".format( |
| | | features.size(-1), self.input_size |
| | | ) |
| | | features = torch.unsqueeze(features, dim=1) |
| | | if self.use_head_conv: |
| | | features = self.pre_conv(features) |
| | |
| | | |
| | | return features, resnet_out_lens |
| | | |
| | | |
| | | # Note: For training, this implement is not equivalent to tf because of the kernel_regularizer in tf.layers. |
| | | # TODO: implement kernel_regularizer in torch with munal loss addition or weigth_decay in the optimizer |
| | | class ResNet34_SP_L2Reg(AbsEncoder): |
| | | def __init__( |
| | | self, |
| | | input_size, |
| | | use_head_conv=True, |
| | | batchnorm_momentum=0.5, |
| | | use_head_maxpool=False, |
| | | num_nodes_pooling_layer=256, |
| | | layers_in_block=(3, 4, 6, 3), |
| | | filters_in_block=(32, 64, 128, 256), |
| | | tf2torch_tensor_name_prefix_torch="encoder", |
| | | tf2torch_tensor_name_prefix_tf="EAND/speech_encoder", |
| | | tf_train_steps=720000, |
| | | self, |
| | | input_size, |
| | | use_head_conv=True, |
| | | batchnorm_momentum=0.5, |
| | | use_head_maxpool=False, |
| | | num_nodes_pooling_layer=256, |
| | | layers_in_block=(3, 4, 6, 3), |
| | | filters_in_block=(32, 64, 128, 256), |
| | | tf2torch_tensor_name_prefix_torch="encoder", |
| | | tf2torch_tensor_name_prefix_tf="EAND/speech_encoder", |
| | | tf_train_steps=720000, |
| | | ): |
| | | super(ResNet34_SP_L2Reg, self).__init__() |
| | | |
| | |
| | | |
| | | pre_filters = filters_in_block[0] |
| | | if use_head_conv: |
| | | self.pre_conv = torch.nn.Conv2d(1, pre_filters, 3, 1, 1, bias=False, padding_mode="zeros") |
| | | self.pre_conv_bn = torch.nn.BatchNorm2d(pre_filters, eps=1e-3, momentum=batchnorm_momentum) |
| | | self.pre_conv = torch.nn.Conv2d( |
| | | 1, pre_filters, 3, 1, 1, bias=False, padding_mode="zeros" |
| | | ) |
| | | self.pre_conv_bn = torch.nn.BatchNorm2d( |
| | | pre_filters, eps=1e-3, momentum=batchnorm_momentum |
| | | ) |
| | | |
| | | if use_head_maxpool: |
| | | self.head_maxpool = torch.nn.MaxPool2d(3, 1, padding=1) |
| | |
| | | if i == 0: |
| | | in_filters = pre_filters if self.use_head_conv else 1 |
| | | else: |
| | | in_filters = filters_in_block[i-1] |
| | | in_filters = filters_in_block[i - 1] |
| | | |
| | | block = BasicBlock(in_filters, |
| | | filters=filters_in_block[i], |
| | | num_layer=layers_in_block[i], |
| | | stride=1 if i == 0 else 2, |
| | | bn_momentum=batchnorm_momentum) |
| | | block = BasicBlock( |
| | | in_filters, |
| | | filters=filters_in_block[i], |
| | | num_layer=layers_in_block[i], |
| | | stride=1 if i == 0 else 2, |
| | | bn_momentum=batchnorm_momentum, |
| | | ) |
| | | self.add_module("block_{}".format(i), block) |
| | | |
| | | self.resnet0_dense = torch.nn.Conv1d(filters_in_block[-1] * input_size // 8, num_nodes_pooling_layer, 1) |
| | | self.resnet0_bn = torch.nn.BatchNorm1d(num_nodes_pooling_layer, eps=1e-3, momentum=batchnorm_momentum) |
| | | self.resnet0_dense = torch.nn.Conv1d( |
| | | filters_in_block[-1] * input_size // 8, num_nodes_pooling_layer, 1 |
| | | ) |
| | | self.resnet0_bn = torch.nn.BatchNorm1d( |
| | | num_nodes_pooling_layer, eps=1e-3, momentum=batchnorm_momentum |
| | | ) |
| | | |
| | | self.time_ds_ratio = 8 |
| | | |
| | |
| | | return self.num_nodes_pooling_layer |
| | | |
| | | def forward( |
| | | self, |
| | | xs_pad: torch.Tensor, |
| | | ilens: torch.Tensor, |
| | | prev_states: torch.Tensor = None |
| | | self, xs_pad: torch.Tensor, ilens: torch.Tensor, prev_states: torch.Tensor = None |
| | | ) -> Tuple[torch.Tensor, torch.Tensor]: |
| | | |
| | | features = xs_pad |
| | | assert features.size(-1) == self.input_size, \ |
| | | "Dimension of features {} doesn't match the input_size {}.".format(features.size(-1), self.input_size) |
| | | assert ( |
| | | features.size(-1) == self.input_size |
| | | ), "Dimension of features {} doesn't match the input_size {}.".format( |
| | | features.size(-1), self.input_size |
| | | ) |
| | | features = torch.unsqueeze(features, dim=1) |
| | | if self.use_head_conv: |
| | | features = self.pre_conv(features) |
| | |
| | | |
| | | # B, C, T, F |
| | | bb, cc, tt, ff = resnet_outs.shape |
| | | resnet_outs = torch.reshape(resnet_outs.permute(0, 3, 1, 2), [bb, ff*cc, tt]) |
| | | resnet_outs = torch.reshape(resnet_outs.permute(0, 3, 1, 2), [bb, ff * cc, tt]) |
| | | features = self.resnet0_dense(resnet_outs) |
| | | features = F.relu(features) |
| | | features = self.resnet0_bn(features) |
| | |
| | | |
| | | class ResNet34Diar(ResNet34): |
| | | def __init__( |
| | | self, |
| | | input_size, |
| | | embedding_node="resnet1_dense", |
| | | use_head_conv=True, |
| | | batchnorm_momentum=0.5, |
| | | use_head_maxpool=False, |
| | | num_nodes_pooling_layer=256, |
| | | layers_in_block=(3, 4, 6, 3), |
| | | filters_in_block=(32, 64, 128, 256), |
| | | num_nodes_resnet1=256, |
| | | num_nodes_last_layer=256, |
| | | pooling_type="window_shift", |
| | | pool_size=20, |
| | | stride=1, |
| | | tf2torch_tensor_name_prefix_torch="encoder", |
| | | tf2torch_tensor_name_prefix_tf="seq2seq/speech_encoder" |
| | | self, |
| | | input_size, |
| | | embedding_node="resnet1_dense", |
| | | use_head_conv=True, |
| | | batchnorm_momentum=0.5, |
| | | use_head_maxpool=False, |
| | | num_nodes_pooling_layer=256, |
| | | layers_in_block=(3, 4, 6, 3), |
| | | filters_in_block=(32, 64, 128, 256), |
| | | num_nodes_resnet1=256, |
| | | num_nodes_last_layer=256, |
| | | pooling_type="window_shift", |
| | | pool_size=20, |
| | | stride=1, |
| | | tf2torch_tensor_name_prefix_torch="encoder", |
| | | tf2torch_tensor_name_prefix_tf="seq2seq/speech_encoder", |
| | | ): |
| | | """ |
| | | Author: Speech Lab, Alibaba Group, China |
| | |
| | | self.tf2torch_tensor_name_prefix_tf = tf2torch_tensor_name_prefix_tf |
| | | |
| | | self.resnet1_dense = torch.nn.Linear(num_nodes_pooling_layer * 2, num_nodes_resnet1) |
| | | self.resnet1_bn = torch.nn.BatchNorm1d(num_nodes_resnet1, eps=1e-3, momentum=batchnorm_momentum) |
| | | self.resnet1_bn = torch.nn.BatchNorm1d( |
| | | num_nodes_resnet1, eps=1e-3, momentum=batchnorm_momentum |
| | | ) |
| | | |
| | | self.resnet2_dense = torch.nn.Linear(num_nodes_resnet1, num_nodes_last_layer) |
| | | self.resnet2_bn = torch.nn.BatchNorm1d(num_nodes_last_layer, eps=1e-3, momentum=batchnorm_momentum) |
| | | self.resnet2_bn = torch.nn.BatchNorm1d( |
| | | num_nodes_last_layer, eps=1e-3, momentum=batchnorm_momentum |
| | | ) |
| | | |
| | | def output_size(self) -> int: |
| | | if self.embedding_node.startswith("resnet1"): |
| | |
| | | return self.num_nodes_pooling_layer |
| | | |
| | | def forward( |
| | | self, |
| | | xs_pad: torch.Tensor, |
| | | ilens: torch.Tensor, |
| | | prev_states: torch.Tensor = None, |
| | | self, |
| | | xs_pad: torch.Tensor, |
| | | ilens: torch.Tensor, |
| | | prev_states: torch.Tensor = None, |
| | | ) -> Tuple[torch.Tensor, torch.Tensor, Optional[torch.Tensor]]: |
| | | |
| | | endpoints = OrderedDict() |
| | | res_out, ilens = super().forward(xs_pad, ilens) |
| | | endpoints["resnet0_bn"] = res_out |
| | | if self.pooling_type == "frame_gsp": |
| | | features = statistic_pooling(res_out, ilens, (3, )) |
| | | features = statistic_pooling(res_out, ilens, (3,)) |
| | | else: |
| | | features, ilens = windowed_statistic_pooling(res_out, ilens, (2, 3), self.pool_size, self.stride) |
| | | features, ilens = windowed_statistic_pooling( |
| | | res_out, ilens, (2, 3), self.pool_size, self.stride |
| | | ) |
| | | features = features.transpose(1, 2) |
| | | endpoints["pooling"] = features |
| | | |
| | |
| | | |
| | | class ResNet34SpL2RegDiar(ResNet34_SP_L2Reg): |
| | | def __init__( |
| | | self, |
| | | input_size, |
| | | embedding_node="resnet1_dense", |
| | | use_head_conv=True, |
| | | batchnorm_momentum=0.5, |
| | | use_head_maxpool=False, |
| | | num_nodes_pooling_layer=256, |
| | | layers_in_block=(3, 4, 6, 3), |
| | | filters_in_block=(32, 64, 128, 256), |
| | | num_nodes_resnet1=256, |
| | | num_nodes_last_layer=256, |
| | | pooling_type="window_shift", |
| | | pool_size=20, |
| | | stride=1, |
| | | tf2torch_tensor_name_prefix_torch="encoder", |
| | | tf2torch_tensor_name_prefix_tf="seq2seq/speech_encoder" |
| | | self, |
| | | input_size, |
| | | embedding_node="resnet1_dense", |
| | | use_head_conv=True, |
| | | batchnorm_momentum=0.5, |
| | | use_head_maxpool=False, |
| | | num_nodes_pooling_layer=256, |
| | | layers_in_block=(3, 4, 6, 3), |
| | | filters_in_block=(32, 64, 128, 256), |
| | | num_nodes_resnet1=256, |
| | | num_nodes_last_layer=256, |
| | | pooling_type="window_shift", |
| | | pool_size=20, |
| | | stride=1, |
| | | tf2torch_tensor_name_prefix_torch="encoder", |
| | | tf2torch_tensor_name_prefix_tf="seq2seq/speech_encoder", |
| | | ): |
| | | """ |
| | | Author: Speech Lab, Alibaba Group, China |
| | |
| | | self.tf2torch_tensor_name_prefix_tf = tf2torch_tensor_name_prefix_tf |
| | | |
| | | self.resnet1_dense = torch.nn.Linear(num_nodes_pooling_layer * 2, num_nodes_resnet1) |
| | | self.resnet1_bn = torch.nn.BatchNorm1d(num_nodes_resnet1, eps=1e-3, momentum=batchnorm_momentum) |
| | | self.resnet1_bn = torch.nn.BatchNorm1d( |
| | | num_nodes_resnet1, eps=1e-3, momentum=batchnorm_momentum |
| | | ) |
| | | |
| | | self.resnet2_dense = torch.nn.Linear(num_nodes_resnet1, num_nodes_last_layer) |
| | | self.resnet2_bn = torch.nn.BatchNorm1d(num_nodes_last_layer, eps=1e-3, momentum=batchnorm_momentum) |
| | | self.resnet2_bn = torch.nn.BatchNorm1d( |
| | | num_nodes_last_layer, eps=1e-3, momentum=batchnorm_momentum |
| | | ) |
| | | |
| | | def output_size(self) -> int: |
| | | if self.embedding_node.startswith("resnet1"): |
| | |
| | | return self.num_nodes_pooling_layer |
| | | |
| | | def forward( |
| | | self, |
| | | xs_pad: torch.Tensor, |
| | | ilens: torch.Tensor, |
| | | prev_states: torch.Tensor = None, |
| | | self, |
| | | xs_pad: torch.Tensor, |
| | | ilens: torch.Tensor, |
| | | prev_states: torch.Tensor = None, |
| | | ) -> Tuple[torch.Tensor, torch.Tensor, Optional[torch.Tensor]]: |
| | | |
| | | endpoints = OrderedDict() |
| | | res_out, ilens = super().forward(xs_pad, ilens) |
| | | endpoints["resnet0_bn"] = res_out |
| | | if self.pooling_type == "frame_gsp": |
| | | features = statistic_pooling(res_out, ilens, (2, )) |
| | | features = statistic_pooling(res_out, ilens, (2,)) |
| | | else: |
| | | features, ilens = windowed_statistic_pooling(res_out, ilens, (2, ), self.pool_size, self.stride) |
| | | features, ilens = windowed_statistic_pooling( |
| | | res_out, ilens, (2,), self.pool_size, self.stride |
| | | ) |
| | | features = features.transpose(1, 2) |
| | | endpoints["pooling"] = features |
| | | |
| | |
| | | endpoints["resnet2_bn"] = features |
| | | |
| | | return endpoints[self.embedding_node], ilens, None |
| | | |