CNN fist done
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import torch
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import torch.nn as nn
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from Qtorch.Models.Qnn import Qnn
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from sklearn.preprocessing import LabelEncoder
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from Qtorch.Models.Qnn import Qnn
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class QCNN(Qnn):
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def __init__(self, X_train, y_train, X_test, y_test,
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labels=None,
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dropout_rate=0.3
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):
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super(QCNN, self).__init__()
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def __init__(self, X_train, y_train, X_test, y_test, labels=None, dropout_rate=0.3):
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super(QCNN, self).__init__()
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self.LABEL_ENCODER = LabelEncoder()
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self.X_train, self.y_train, self.X_test, self.y_test = X_train, y_train, X_test, y_test
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self.labels = labels
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self.LABEL_ENCODER = LabelEncoder()
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self.X_train, self.y_train, self.X_test, self.y_test = X_train, y_train, X_test, y_test
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self.labels = labels
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input_size = X_train.shape[1] # 输入的长度
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num_classes = len(set(y_train)) # 分类数
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# 网络层:卷积层 + 池化层 + 全连接层
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self.layers = nn.ModuleList()
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self.layers.append(nn.Conv1d(in_channels=1, out_channels=16, kernel_size=3)) # 卷积层
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self.layers.append(nn.MaxPool1d(kernel_size=2)) # 池化层
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self.layers.append(nn.Conv1d(in_channels=16, out_channels=32, kernel_size=3)) # 卷积层
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self.layers.append(nn.MaxPool1d(kernel_size=2)) # 池化层
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# 计算展平后的大小
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conv_output_size = self._get_conv_output_size(input_size) # 卷积后的输出大小
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print(f"Conv output size: {conv_output_size}") # 打印卷积后的输出大小
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self.layers.append(nn.Linear(conv_output_size, 128)) # 全连接层
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self.layers.append(nn.Linear(128, num_classes)) # 输出层
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self.__init_weights()
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def _get_conv_output_size(self, input_size):
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# 计算卷积后的输出尺寸
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x = torch.randn(1, 1, input_size) # 创建一个假的输入张量
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for layer in self.layers:
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x = layer(x) # 通过每一层
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return int(x.numel()) # 返回展平后的输出大小
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def forward(self, x):
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# 通过卷积和池化层
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for layer in self.layers[:-2]: # 除去最后两个 Linear 层
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x = layer(x)
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input_size = X_train.shape[1]
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num_classes = len(set(y_train))
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self.layers = nn.ModuleList()
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# 展平卷积后的输出
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x = x.view(x.size(0), -1) # 这样 x 会变成 (batch_size, conv_output_size)
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# 通过全连接层
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x = self.layers[-2](x)
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x = self.layers[-1](x)
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return x
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# Input layer to first Convolutional layer
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self.layers.append(nn.Conv1d(in_channels=1, out_channels=32, kernel_size=3, stride=1, padding=1))
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self.layers.append(nn.ReLU())
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self.layers.append(nn.MaxPool1d(kernel_size=2, stride=2))
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# Calculate the size after convolutions and pooling
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conv_output_size = input_size // 4 # Assuming two pooling layers with stride 2
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self.layers.append(nn.Linear(32 * conv_output_size, 128))
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self.layers.append(nn.ReLU())
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self.layers.append(nn.Dropout(dropout_rate))
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# Output layer
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self.layers.append(nn.Linear(128, num_classes))
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self.__init_weights()
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def forward(self, x):
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for layer in self.layers:
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x = layer(x)
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return x
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def __init_weights(self):
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for m in self.modules():
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if isinstance(m, nn.Conv1d) or isinstance(m, nn.Linear):
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nn.init.xavier_uniform_(m.weight)
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if m.bias is not None:
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m.bias.data.fill_(0.01)
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def __init_weights(self):
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for m in self.modules():
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if isinstance(m, nn.Conv1d) or isinstance(m, nn.Linear):
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nn.init.xavier_uniform_(m.weight)
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if m.bias is not None:
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m.bias.data.fill_(0.01)
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@ -36,11 +36,11 @@ class Qnn(nn.Module):
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def __prepare_data(self):
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# 将data转换为tensor形式
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X_train_tensor = torch.tensor(self.X_train, dtype=torch.float32)
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X_train_tensor = torch.tensor(self.X_train, dtype=torch.float32).unsqueeze(1)
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self.y_train = self.LABEL_ENCODER.fit_transform(self.y_train)
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y_train_tensor = torch.tensor(self.y_train, dtype=torch.long)
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X_test_tensor = torch.tensor(self.X_test, dtype=torch.float32)
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X_test_tensor = torch.tensor(self.X_test, dtype=torch.float32).unsqueeze(1)
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self.y_test = self.LABEL_ENCODER.transform(self.y_test)
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y_test_tensor = torch.tensor(self.y_test, dtype=torch.long)
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9
main.py
9
main.py
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@ -3,11 +3,13 @@ from Qtorch.Models.Qcnn import QCNN
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from Qfunctions.divSet import divSet
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from Qfunctions.loaData import load_data
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from Qfunctions.saveToxlsx import save_to_xlsx as save_to_xlsx
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import string
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def main():
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projet_name = '20241112Numbers' # 输入元数据文件夹名称
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label_names =['1', '2', '3', '4', '5', '6', '7' ,'8', '9'] # 请在[]内输入每一个分类的名称
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data = load_data(projet_name, label_names, isDir=False, fileClass='xls')
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projet_name = '20241130 EMG-write' # 输入元数据文件夹名称
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label_names = list(string.ascii_uppercase) # 请在[]内输入每一个分类的名称
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print(label_names)
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data = load_data(projet_name, label_names, isDir=False, fileClass='xlsx')
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X_train, X_test, y_train, y_test, encoder = divSet(
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data=data, labels=label_names, test_size= 0.3
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)
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@ -17,6 +19,7 @@ def main():
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# hidden_layers = [128],
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# dropout_rate=0
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# )
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model = QCNN(
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X_train=X_train, X_test=X_test, y_train=y_train, y_test= y_test,
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dropout_rate=0
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