def self_attention(x, NUM_FILTER=32): N = int(NUM_FILTER / 8) f = Conv1D(filters = N, kernel_size = 1, adding = 'same')(x) g = Conv1D(filters = N, kernel_size = 1, padding = 'same')(x) h = Conv1D(filters = NUM_FILTER, kernel_size = 1, padding = 'same')(x) f_trans = Permute([2, 1])(f) energy = Lambda(lambda x: K.batch_dot(x[0], x[1]))([g, f_trans]) attention = Activation('softmax')(energy) out = Lambda(lambda x: K.batch_dot(x[0], x[1]))([attention, h]) # out = Conv1D(filters = NUM_FILTER, kernel_size = 1, padding = 'same')(out) out = Combination()([out, x]) return out

class Partial_conv3(nn.Module): def init(self, dim, n_div, forward): super().init() self.dim_conv3 = dim // n_div self.dim_untouched = dim - self.dim_conv3 self.partial_conv3 = nn.Conv2d(self.dim_conv3, self.dim_conv3, 3, 1, 1, bias=False) if forward == 'slicing': self.forward = self.forward_slicing elif forward == 'split_cat': self.forward = self.forward_split_cat else: raise NotImplementedError def forward_slicing(self, x: Tensor) -> Tensor: # only for inference x = x.clone() # !!! Keep the original input intact for the residual connection later x[:, :self.dim_conv3, :, :] = self.partial_conv3(x[:, :self.dim_conv3, :, :]) return x def forward_split_cat(self, x: Tensor) -> Tensor: x1, x2 = torch.split(x, [self.dim_conv3, self.dim_untouched], dim=1) x1 = self.partial_conv3(x1) x = torch.cat((x1, x2), 1) return x 在这段代码中插入全局平均池化做通道增强的模块

x[:, :self.dim_conv3, :, :] = self.partial_conv3(x[:, :self.dim_conv3, :, :]) x[:, :self.dim_conv3, :, :] = self.global_avg_pool(x[:, :self.dim_conv3, :, :]) # 添加全局平均池化 x = torch.cat((x, x...

def convolution_block(X, f, filters, stage, block, s=2):

def convolution_block(X, f, filters, stage, block, s=2): conv_name_base = 'res' + str(stage) + block + '_branch' bn_name_base = 'bn' + str(stage) + block + '_branch' # 使用 Keras 中的 Conv2D 函数...

模型之前用到 conv1d_1 = Conv1D(filters=64, kernel_size=5, activation='relu')(input_data1) # 添加多头self-attention机制 context1 = multi_head_attention(conv1d_1,5)

这段代码中的 multi_head_attention 函数可以被看作是一种 Seq2seq 的注意力机制，用于加强模型对于输入序列中重要信息的关注度。注意力机制是 Seq2seq 模型中的一个重要组成部分，它可以根据输入序列的不同部分...

class Partial_conv3(nn.Module): def init(self, dim, n_div, forward): super().init() self.dim_conv3 = dim // n_div self.dim_untouched = dim - self.dim_conv3 self.partial_conv3 = nn.Conv2d(self.dim_conv3, self.dim_conv3, 3, 1, 1, bias=False) self.global_pool = GlobalAvgPool2d() if forward == 'slicing': self.forward = self.forward_slicing elif forward == 'split_cat': self.forward = self.forward_split_cat else: raise NotImplementedError def forward_slicing(self, x: Tensor) -> Tensor: # only for inference x = x.clone() # !!! Keep the original input intact for the residual connection later x[:, :self.dim_conv3, :, :] = self.partial_conv3(x[:, :self.dim_conv3, :, :]) return x def forward_split_cat(self, x: Tensor) -> Tensor: x1, x2 = torch.split(x, [self.dim_conv3, self.dim_untouched], dim=1) x1 = self.global_pool(x1) x1 = self.partial_conv3(x1) x = torch.cat((x1, x2), 1) return x这段代码有什么错误

x[:, :self.dim_conv3, :, :] = self.partial_conv3(x[:, :self.dim_conv3, :, :]) return x def forward_split_cat(self, inputs: Tensor) -> Tensor: x1, x2 = torch.split(inputs, [self.dim_conv3, self....

class AttU_Net(nn.Module): def init(self, img_ch=3, output_ch=1): super(AttU_Net, self).init() self.Maxpool = nn.MaxPool2d(kernel_size=2, stride=2) self.Conv1 = conv_block(ch_in=img_ch, ch_out=64) self.Conv2 = conv_block(ch_in=64, ch_out=128) self.Conv3 = conv_block(ch_in=128, ch_out=256) self.Conv4 = conv_block(ch_in=256, ch_out=512) self.Conv5 = conv_block(ch_in=512, ch_out=1024) self.Up5 = up_conv(ch_in=1024, ch_out=512) self.Att5 = Attention_block(F_g=512, F_l=512, F_int=256) self.Up_conv5 = conv_block(ch_in=1024, ch_out=512) self.Up4 = up_conv(ch_in=512, ch_out=256) self.Att4 = Attention_block(F_g=256, F_l=256, F_int=128) self.Up_conv4 = conv_block(ch_in=512, ch_out=256) self.Up3 = up_conv(ch_in=256, ch_out=128) self.Att3 = Attention_block(F_g=128, F_l=128, F_int=64) self.Up_conv3 = conv_block(ch_in=256, ch_out=128) self.Up2 = up_conv(ch_in=128, ch_out=64) self.Att2 = Attention_block(F_g=64, F_l=64, F_int=32) self.Up_conv2 = conv_block(ch_in=128, ch_out=64) self.Conv_1x1 = nn.Conv2d(64, output_ch, kernel_size=1, stride=1, padding=0) self.sigmoid = nn.Sigmoid()

在每个上采样操作后，使用Attention_block模块（self.Att5到self.Att2）对特征图进行注意力计算。最后，通过一个1x1的卷积层（self.Conv_1x1）将通道数变为output_ch，并使用Sigmoid函数进行输出。这个AttU_Net...

下面给出一段详细代码：class CrnModel: def init(self, feature_num): self.feature_num = feature_num self.input_magnitude = layers.Input(shape=[128, feature_num], name='input_magnitude') model_output = self.structure_model() self.model = tf.keras.Model(inputs=self.input_magnitude, outputs=model_output) self.model.summary() def structure_model(self): layer_input = self.input_magnitude layer_output = layers.Conv1D(filters=64, padding='causal', dilation_rate=1, kernel_size=3, activation='relu')( layer_input) layer_output = layers.Conv1D(filters=64, padding='causal', dilation_rate=2, kernel_size=3, activation='relu')( layer_output) layer_output = layers.Conv1D(filters=64, padding='causal', dilation_rate=4, kernel_size=3, activation='relu')( layer_output) layer_output = layers.Conv1D(filters=64, kernel_size=1, activation='linear')(layer_output) layer_output = layers.Conv1D(filters=257, kernel_size=1, activation='relu')(layer_output) return layer_output。请你给出详细解释和注释

layer_output = layers.Conv1D(filters=64, padding='causal', dilation_rate=1, kernel_size=3, activation='relu')(layer_input) # 第一层卷积层 layer_output = layers.Conv1D(filters=64, padding='causal', ...

解释这段代码class ResidualConvBlock(nn.Module): def init(self, n_stages, n_filters_in, n_filters_out, normalization='none'): super(ResidualConvBlock, self).init() ops = [] for i in range(n_stages): if i == 0: input_channel = n_filters_in else: input_channel = n_filters_out ops.append(nn.Conv3d(input_channel, n_filters_out, 3, padding=1)) if normalization == 'batchnorm': ops.append(nn.BatchNorm3d(n_filters_out)) elif normalization == 'groupnorm': ops.append(nn.GroupNorm(num_groups=16, num_channels=n_filters_out)) elif normalization == 'instancenorm': ops.append(nn.InstanceNorm3d(n_filters_out)) elif normalization != 'none': assert False if i != n_stages-1: ops.append(nn.ReLU(inplace=True)) self.conv = nn.Sequential(*ops) self.relu = nn.ReLU(inplace=True)

其中，n_stages表示卷积操作的阶段数，n_filters_in表示输入张量的通道数，n_filters_out表示输出张量的通道数，normalization表示是否使用归一化操作，默认为'none'。在初始化过程中，首先调用父类nn.Module的...

for i in range(num_convs): if i == 0: trans = FCLayer(in_channels, conv_channels, bias=True, activation=None) conv = DenseEdgeConv( conv_channels, num_fc_layers=conv_num_fc_layers, growth_rate=conv_growth_rate, knn=conv_knn, aggr=conv_aggr, activation=activation, relative_feat_only=True ) else: trans = FCLayer(in_channels, conv_channels, bias=True, activation=activation) conv = DenseEdgeConv( conv_channels, num_fc_layers=conv_num_fc_layers, growth_rate=conv_growth_rate, knn=conv_knn, aggr=conv_aggr, activation=activation, relative_feat_only=False ) self.transforms.append(trans) self.convs.append(conv) in_channels = conv.out_channels

这段代码是一个类的初始化方法，其中包含了一个多层的DenseEdgeConv神经网络模型。代码中的循环语句用来构建多层DenseEdgeConv模块，每一层都由一个FCLayer（全连接层）和一个DenseEdgeConv模块组成。...

self.transforms = ModuleList() self.convs = ModuleList() for i in range(num_convs): if i == 0: trans = FCLayer(in_channels, conv_channels, bias=True, activation=None) conv = DenseEdgeConv( conv_channels, num_fc_layers=conv_num_fc_layers, growth_rate=conv_growth_rate, knn=conv_knn, aggr=conv_aggr, activation=activation, relative_feat_only=True ) else: trans = FCLayer(in_channels, conv_channels, bias=True, activation=activation) conv = DenseEdgeConv( conv_channels, num_fc_layers=conv_num_fc_layers, growth_rate=conv_growth_rate, knn=conv_knn, aggr=conv_aggr, activation=activation, relative_feat_only=False ) self.transforms.append(trans) self.convs.append(conv) in_channels = conv.out_channels

然后通过for循环，依次创建num_convs个层。当i为0时，创建的是一个FCLayer和一个DenseEdgeConv，其中FCLayer是全连接层，DenseEdgeConv是基于边缘卷积的网络层。当i不为0时，创建的是一个带激活函数的FCLayer和一个...

代码解析def init(self,imgsize,n_channels=3, n_classes=1):

- self.conv1 = nn.Conv2d(n_channels, 64, kernel_size=3, stride=1, padding=1)：创建一个卷积层，输入通道数为n_channels，输出通道数为64，卷积核大小为3x3，步长为1，边缘填充为1。 - self.conv2 = nn.Conv2d...

class CNNmodel(nn.Module): def init(self): super(CNNmodel, self).init() self.conv1d = nn.Conv1d(1, 64, kernel_size=2) self.relu = nn.ReLU(inplace=True) self.Linear1 = nn.Linear(64*75, 50) self.Linear2 = nn.Linear(50, 1) def forward(self, x): x = self.conv1d(x) x = self.relu(x) x = x.view(-1) x = self.Linear1(x) x = self.relu(x) x = self.Linear2(x) return x报错

1. x = x.view(-1)这一行应该改为x = x.view(-1, 64*75)，因为在前面self.conv1d的输出通道数为64，而输出的feature map长度为75，需要将其展平后输入全连接层。 2. self.Linear2 = nn.Linear(50, 1)中的1...

conv_layer = layers.Conv1D

conv = tf.layers.Conv1D(num_filters, kernel_size)(embedding_inputs) session = tf.Session() session.run(tf.global_variables_initializer()) print(session.run(conv).shape) 以上代码创建了一个卷积层...

def model(self): num_classes = self.config.get("CNN_training_rule", "num_classes") seq_length = self.config.get("CNN_training_rule", "seq_length") conv1_num_filters = self.config.get("CNN_training_rule", "conv1_num_filters") conv1_kernel_size = self.config.get("CNN_training_rule", "conv1_kernel_size") conv2_num_filters = self.config.get("CNN_training_rule", "conv2_num_filters") conv2_kernel_size = self.config.get("CNN_training_rule", "conv2_kernel_size") hidden_dim = self.config.get("CNN_training_rule", "hidden_dim") dropout_keep_prob = self.config.get("CNN_training_rule", "dropout_keep_prob") model_input = keras.layers.Input((seq_length,1), dtype='float64') # conv1形状[batch_size, seq_length, conv1_num_filters] conv_1 = keras.layers.Conv1D(conv1_num_filters, conv1_kernel_size, padding="SAME")(model_input) conv_2 = keras.layers.Conv1D(conv2_num_filters, conv2_kernel_size, padding="SAME")(conv_1) max_poolinged = keras.layers.GlobalMaxPool1D()(conv_2) full_connect = keras.layers.Dense(hidden_dim)(max_poolinged) droped = keras.layers.Dropout(dropout_keep_prob)(full_connect) relued = keras.layers.ReLU()(droped) model_output = keras.layers.Dense(num_classes, activation="softmax")(relued) model = keras.models.Model(inputs=model_input, outputs=model_output) # model.compile(loss="categorical_crossentropy", # optimizer="adam", # metrics=["accuracy"]) model.compile(loss='binary_crossentropy', optimizer='adam', metrics=['accuracy']) print(model.summary()) return model给这段代码每行加上注释

conv1_num_filters = self.config.get("CNN_training_rule", "conv1_num_filters") #第一层卷积核数量 conv1_kernel_size = self.config.get("CNN_training_rule", "conv1_kernel_size") #第一层卷积核大小 conv2...

class LeNet5_2(nn.Cell): # 定义算子 def init(self, num_class=10, num_channel=3): super(LeNet5_2, self).init() # 卷积层 self.conv1 = nn.Conv2d(num_channel, 64, 3, pad_mode='valid', weight_init=Normal(0.06)) self.conv2 = nn.Conv2d(64, 64, 3, pad_mode='valid', weight_init=Normal(0.06)) self.conv3 = nn.Conv2d(64, 128, 3, pad_mode='valid', weight_init=Normal(0.06)) # 全连接层 self.fc1 = nn.Dense(128* 2* 2, 120, weight_init=Normal(0.06)) self.fc2 = nn.Dense(120, 84, weight_init=Normal(0.06)) self.fc3 = nn.Dense(84, num_class, weight_init=Normal(0.06)) # 激活函数 self.relu = nn.ReLU() # 最大池化成 self.max_pool2d = nn.MaxPool2d(kernel_size=2, stride=2) # 网络展开 self.flatten = nn.Flatten() #? self.num_class = num_class # 构建网络 def construct(self, x): x = self.conv1(x) x = self.relu(x) x = self.max_pool2d(x) x = self.conv2(x) x = self.relu(x) x = self.max_pool2d(x) x = self.conv3(x) x = self.relu(x) x = self.max_pool2d(x) x = self.flatten(x) x = self.fc1(x) x = self.relu(x) x = self.fc2(x) x = self.relu(x) x = self.fc3(x) return x 添加批量归一层

self.conv1 = nn.Conv2d(num_channel, 64, 3, pad_mode='valid', weight_init=Normal(0.06)) self.bn1 = nn.BatchNorm2d(64) self.conv2 = nn.Conv2d(64, 64, 3, pad_mode='valid', weight_init=Normal(0.06)) ...

帮我分析以下代码：class PConv(nn.Module): def init(self, dim, ouc, n_div=4, forward='split_cat'): super().init() self.dim_conv3 = dim // n_div self.dim_untouched = dim - self.dim_conv3 self.partial_conv3 = nn.Conv2d(self.dim_conv3, self.dim_conv3, 3, 1, 1, bias=False) self.conv = Conv(dim, ouc, k=1) if forward == 'slicing': self.forward = self.forward_slicing elif forward == 'split_cat': self.forward = self.forward_split_cat else: raise NotImplementedError def forward_slicing(self, x): # only for inference x = x.clone() # !!! Keep the original input intact for the residual connection later x[:, :self.dim_conv3, :, :] = self.partial_conv3(x[:, :self.dim_conv3, :, :]) x = self.conv(x) return x def forward_split_cat(self, x): # for training/inference x1, x2 = torch.split(x, [self.dim_conv3, self.dim_untouched], dim=1) x1 = self.partial_conv3(x1) x = torch.cat((x1, x2), 1) x = self.conv(x) return x

然后，定义了一个 nn.Conv2d 类型的卷积层 partial_conv3，该层的输入通道数和输出通道数都是 dim_conv3，卷积核大小为 3，步长为 1，填充为 1，不使用偏置。接着，定义了一个 Conv 类型的卷积层 conv，该层的输入...

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def self_attention(x, NUM_FILTER=32):

f = Conv1D(filters = N, kernel_size = 1, adding = 'same')(x)

def convolution_block(X, f, filters, stage, block, s=2):

模型之前用到 conv1d_1 = Conv1D(filters=64, kernel_size=5, activation='relu')(input_data1) # 添加多头self-attention机制 context1 = multi_head_attention(conv1d_1,5)

代码解析def __init__(self,imgsize,n_channels=3, n_classes=1):

conv_layer = layers.Conv1D

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