keras中padding="same"是什么意思

时间: 2023-11-13 11:32:35 浏览: 116
在Keras中,padding="same"是指在卷积操作中使用的一种填充方式。在卷积操作中,卷积核需要对输入数据进行滑动处理,而当卷积核滑动到输入数据的边缘时,由于卷积核的尺寸通常比输入数据的尺寸小,会出现无法滑动的情况,因此需要在输入数据的边缘进行填充。 使用padding="same"时,Keras会自动对输入数据进行填充,使得卷积操作的输出数据尺寸与输入数据尺寸相同。具体而言,在padding="same"的情况下,如果卷积核的大小为k,那么Keras会在输入数据的边缘填充(k-1)/2个0,这样卷积核就可以在输入数据的边缘进行滑动处理,从而保证了输出数据和输入数据的尺寸相同。
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import tensorflow as tf def build_model(input_shape): inputs = tf.keras.layers.Input(shape=input_shape) # encoder conv1 = tf.keras.layers.Conv2D(32, (3,3), activation='relu', padding='same')(inputs) conv1 = tf.keras.layers.BatchNormalization()(conv1) conv2 = tf.keras.layers.Conv2D(32, (3,3), activation='relu', padding='same')(conv1) conv2 = tf.keras.layers.BatchNormalization()(conv2) pool1 = tf.keras.layers.MaxPooling2D((2, 2))(conv2) conv3 = tf.keras.layers.Conv2D(64, (3,3), activation='relu', padding='same')(pool1) conv3 = tf.keras.layers.BatchNormalization()(conv3) conv4 = tf.keras.layers.Conv2D(64, (3,3), activation='relu', padding='same')(conv3) conv4 = tf.keras.layers.BatchNormalization()(conv4) pool2 = tf.keras.layers.MaxPooling2D((2, 2))(conv4) conv5 = tf.keras.layers.Conv2D(128, (3,3), activation='relu', padding='same')(pool2) conv5 = tf.keras.layers.BatchNormalization()(conv5) conv6 = tf.keras.layers.Conv2D(128, (3,3), activation='relu', padding='same')(conv5) conv6 = tf.keras.layers.BatchNormalization()(conv6) pool3 = tf.keras.layers.MaxPooling2D((2, 2))(conv6) # decoder up1 = tf.keras.layers.Conv2DTranspose(64, (2,2), strides=(2,2), padding='same')(pool3) merge1 = tf.keras.layers.concatenate([conv4, up1]) conv7 = tf.keras.layers.Conv2D(64, (3,3), activation='relu', padding='same')(merge1) conv7 = tf.keras.layers.BatchNormalization()(conv7) conv8 = tf.keras.layers.Conv2D(64, (3,3), activation='relu', padding='same')(conv7) conv8 = tf.keras.layers.BatchNormalization()(conv8) up2 = tf.keras.layers.Conv2DTranspose(32, (2,2), strides=(2,2), padding='same')(conv8) merge2 = tf.keras.layers.concatenate([conv2, up2]) conv9 = tf.keras.layers.Conv2D(32, (3,3), activation='relu', padding='same')(merge2) conv9 = tf.keras.layers.BatchNormalization()(conv9) conv10 = tf.keras.layers.Conv2D(32, (3,3), activation='relu', padding='same')(conv9) conv10 = tf.keras.layers.BatchNormalization()(conv10) outputs = tf.keras.layers.Conv2D(3, (3,3), padding='same')(conv10) model = tf.keras.models.Model(inputs=inputs, outputs=outputs) return model

这段代码是使用TensorFlow库导入并定义了一个函数build_model,在该函数中使用了tf.keras.layers库的Input函数生成一个输入层,该层的输入形状由参数input_shape指定。

import tensorflow as tf from tensorflow.keras.layers import Input, Conv2D, MaxPooling2D, Dropout, UpSampling2D, concatenate def unet(input_shape=(256, 256, 1), num_classes=2): inputs = Input(input_shape) # Contracting Path conv1 = Conv2D(64, 3, activation='relu', padding='same', kernel_initializer='he_normal')(inputs) conv1 = Conv2D(64, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv1) pool1 = MaxPooling2D(pool_size=(2, 2))(conv1) conv2 = Conv2D(128, 3, activation='relu', padding='same', kernel_initializer='he_normal')(pool1) conv2 = Conv2D(128, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv2) pool2 = MaxPooling2D(pool_size=(2, 2))(conv2) conv3 = Conv2D(256, 3, activation='relu', padding='same', kernel_initializer='he_normal')(pool2) conv3 = Conv2D(256, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv3) pool3 = MaxPooling2D(pool_size=(2, 2))(conv3) conv4 = Conv2D(512, 3, activation='relu', padding='same', kernel_initializer='he_normal')(pool3) conv4 = Conv2D(512, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv4) drop4 = Dropout(0.5)(conv4) pool4 = MaxPooling2D(pool_size=(2, 2))(drop4) # Bottom conv5 = Conv2D(1024, 3, activation='relu', padding='same', kernel_initializer='he_normal')(pool4) conv5 = Conv2D(1024, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv5) drop5 = Dropout(0.5)(conv5) # Expanding Path up6 = Conv2D(512, 2, activation='relu', padding='same', kernel_initializer='he_normal')(UpSampling2D(size=(2, 2))(drop5)) merge6 = concatenate([drop4, up6], axis=3) conv6 = Conv2D(512, 3, activation='relu', padding='same', kernel_initializer='he_normal')(merge6) conv6 = Conv2D(512, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv6) up7 = Conv2D(256, 2, activation='relu', padding='same', kernel_initializer='he_normal')(UpSampling2D(size=(2, 2))(conv6)) merge7 = concatenate([conv3, up7], axis=3) conv7 = Conv2D(256, 3, activation='relu', padding='same', kernel_initializer='he_normal')(merge7) conv7 = Conv2D(256, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv7) up8 = Conv2D(128, 2, activation='relu', padding='same', kernel_initializer='he_normal')(UpSampling2D(size=(2, 2))(conv7)) merge8 = concatenate([conv2, up8], axis=3) conv8 = Conv2D(128, 3, activation='relu', padding='same', kernel_initializer='he_normal')(merge8) conv8 = Conv2D(128, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv8) up9 = Conv2D(64, 2, activation='relu', padding='same', kernel_initializer='he_normal')(UpSampling2D(size=(2, 2))(conv8)) merge9 = concatenate([conv1, up9], axis=3) conv9 = Conv2D(64, 3, activation='relu', padding='same', kernel_initializer='he_normal')(merge9) conv9 = Conv2D(64, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv9) # Output outputs = Conv2D(num_classes, 1, activation='softmax')(conv9) model = tf.keras.Model(inputs=inputs, outputs=outputs) return model错在哪

这段代码有几个错误: 1. `from tensorflow.keras.layers import Input, Conv2D, MaxPooling2D, Dropout, UpSampling2D, concatenate` 应该放在代码的开头,而不是函数内部。 2. 在使用 `concatenate` 函数时,应该指定 `axis` 参数,例如 `concatenate([drop4, up6], axis=3)`。 3. 在输出层中使用 `softmax` 作为激活函数时,应该使用 `softmax` 作为最后一层的激活函数,而不是在 `Conv2D` 层中使用。 下面是修改后的代码: ```python import tensorflow as tf from tensorflow.keras.layers import Input, Conv2D, MaxPooling2D, Dropout, UpSampling2D, concatenate def unet(input_shape=(256, 256, 1), num_classes=2): inputs = Input(input_shape) # Contracting Path conv1 = Conv2D(64, 3, activation='relu', padding='same', kernel_initializer='he_normal')(inputs) conv1 = Conv2D(64, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv1) pool1 = MaxPooling2D(pool_size=(2, 2))(conv1) conv2 = Conv2D(128, 3, activation='relu', padding='same', kernel_initializer='he_normal')(pool1) conv2 = Conv2D(128, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv2) pool2 = MaxPooling2D(pool_size=(2, 2))(conv2) conv3 = Conv2D(256, 3, activation='relu', padding='same', kernel_initializer='he_normal')(pool2) conv3 = Conv2D(256, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv3) pool3 = MaxPooling2D(pool_size=(2, 2))(conv3) conv4 = Conv2D(512, 3, activation='relu', padding='same', kernel_initializer='he_normal')(pool3) conv4 = Conv2D(512, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv4) drop4 = Dropout(0.5)(conv4) pool4 = MaxPooling2D(pool_size=(2, 2))(drop4) # Bottom conv5 = Conv2D(1024, 3, activation='relu', padding='same', kernel_initializer='he_normal')(pool4) conv5 = Conv2D(1024, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv5) drop5 = Dropout(0.5)(conv5) # Expanding Path up6 = Conv2D(512, 2, activation='relu', padding='same', kernel_initializer='he_normal')(UpSampling2D(size=(2, 2))(drop5)) merge6 = concatenate([drop4, up6], axis=3) conv6 = Conv2D(512, 3, activation='relu', padding='same', kernel_initializer='he_normal')(merge6) conv6 = Conv2D(512, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv6) up7 = Conv2D(256, 2, activation='relu', padding='same', kernel_initializer='he_normal')(UpSampling2D(size=(2, 2))(conv6)) merge7 = concatenate([conv3, up7], axis=3) conv7 = Conv2D(256, 3, activation='relu', padding='same', kernel_initializer='he_normal')(merge7) conv7 = Conv2D(256, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv7) up8 = Conv2D(128, 2, activation='relu', padding='same', kernel_initializer='he_normal')(UpSampling2D(size=(2, 2))(conv7)) merge8 = concatenate([conv2, up8], axis=3) conv8 = Conv2D(128, 3, activation='relu', padding='same', kernel_initializer='he_normal')(merge8) conv8 = Conv2D(128, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv8) up9 = Conv2D(64, 2, activation='relu', padding='same', kernel_initializer='he_normal')(UpSampling2D(size=(2, 2))(conv8)) merge9 = concatenate([conv1, up9], axis=3) conv9 = Conv2D(64, 3, activation='relu', padding='same', kernel_initializer='he_normal')(merge9) conv9 = Conv2D(64, 3, activation='relu', padding='same', kernel_initializer='he_normal')(conv9) # Output outputs = Conv2D(num_classes, 1, activation='softmax')(conv9) model = tf.keras.Model(inputs=inputs, outputs=outputs) return model ```
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def conv_block(inputs, filters): x = layers.BatchNormalization()(inputs) x = layers.Activation('relu')(x) x = layers.Conv2D(filters, 1, padding='same')(x) x = layers.BatchNormalization()(x) x = layers.Activation('relu')(x) x = layers.Conv2D(filters, 3, padding='same')(x) x = layers.Conv2D(filters, 1, padding='same')(x) return x def dense_block(inputs, filters, n_layers): x = inputs for i in range(n_layers): conv = conv_block(x, filters) x = layers.Concatenate()([x, conv]) return x def transition_block(inputs, compression): filters = int(inputs.shape[-1] * compression) x = layers.BatchNormalization()(inputs) x = layers.Activation('relu')(x) x = layers.Conv2D(filters, 1, padding='same')(x) x = layers.AveragePooling2D(2)(x) return x def Inception_block(inputs, filters): x1 = layers.Conv2D(filters, 1, padding='same', activation='relu')(inputs) x2 = layers.Conv2D(filters, 1, padding='same', activation='relu')(inputs) x2 = layers.Conv2D(filters, 3, padding='same', activation='relu')(x2) x3 = layers.Conv2D(filters, 1, padding='same', activation='relu')(inputs) x3 = layers.Conv2D(filters, 5, padding='same', activation='relu')(x3) x4 = layers.MaxPooling2D(3, strides=1, padding='same')(inputs) x4 = layers.Conv2D(filters, 1, padding='same', activation='relu')(x4) x = layers.Concatenate()([x1, x2, x3, x4]) return x inputs = keras.Input(shape=(224, 224, 3)) x = layers.Conv2D(64, 7, strides=2, padding='same')(inputs) x = layers.BatchNormalization()(x) x = layers.Activation('relu')(x) x = layers.MaxPooling2D(3, strides=2, padding='same')(x) x = dense_block(x, 32, 6) x = transition_block(x, 0.5) x = Inception_block(x, 64) x = dense_block(x, 32, 12) x = transition_block(x, 0.5) x = Inception_block(x, 128) x = dense_block(x, 32, 48) x = transition_block(x, 0.5) x = Inception_block(x, 256) x = layers.GlobalAveragePooling2D()(x) outputs = layers.Dense(10, activation='softmax')(x) model = keras.Model(inputs, outputs)这串代码有问题

为以下代码的每句话加注释:from keras import layers, models, Input from keras.models import Model from keras.layers import Conv2D, MaxPooling2D, Dense, Flatten, Dropout def VGG19(nb_classes, input_shape): input_tensor = Input(shape=input_shape) # 1st block x = Conv2D(64, (3,3), activation='relu', padding='same',name='conv1a')(input_tensor) x = Conv2D(64, (3,3), activation='relu', padding='same',name='conv1b')(x) x = MaxPooling2D((2,2), strides=(2,2), name = 'pool1')(x) # 2nd block x = Conv2D(128, (3,3), activation='relu', padding='same',name='conv2a')(x) x = Conv2D(128, (3,3), activation='relu', padding='same',name='conv2b')(x) x = MaxPooling2D((2,2), strides=(2,2), name = 'pool2')(x) # 3rd block x = Conv2D(256, (3,3), activation='relu', padding='same',name='conv3a')(x) x = Conv2D(256, (3,3), activation='relu', padding='same',name='conv3b')(x) x = Conv2D(256, (3,3), activation='relu', padding='same',name='conv3c')(x) x = Conv2D(256, (3,3), activation='relu', padding='same',name='conv3d')(x) x = MaxPooling2D((2,2), strides=(2,2), name = 'pool3')(x) # 4th block x = Conv2D(512, (3,3), activation='relu', padding='same',name='conv4a')(x) x = Conv2D(512, (3,3), activation='relu', padding='same',name='conv4b')(x) x = Conv2D(512, (3,3), activation='relu', padding='same',name='conv4c')(x) x = Conv2D(512, (3,3), activation='relu', padding='same',name='conv4d')(x) x = MaxPooling2D((2,2), strides=(2,2), name = 'pool4')(x) # 5th block x = Conv2D(512, (3,3), activation='relu', padding='same',name='conv5a')(x) x = Conv2D(512, (3,3), activation='relu', padding='same',name='conv5b')(x) x = Conv2D(512, (3,3), activation='relu', padding='same',name='conv5c')(x) x = Conv2D(512, (3,3), activation='relu', padding='same',name='conv5d')(x) x = MaxPooling2D((2,2), strides=(2,2), name = 'pool5')(x) # full connection x = Flatten()(x) x = Dense(4096, activation='relu', name='fc6')(x) # x = Dropout(0.5)(x) x = Dense(4096, activation='relu', name='fc7')(x) # x = Dropout(0.5)(x) output_tensor = Dense(nb_classes, activation='softmax', name='fc8')(x) model = Model(input_tensor, output_tensor) return model model=VGG19(1000, (224, 224, 3)) model.summary()

解释from keras.layers import Input, Conv2D, BatchNormalization, Activation, Addfrom keras.models import Modeldef res_block(inputs, filters, kernel_size=3, strides=1, padding='same'): x = Conv2D(filters, kernel_size, strides=strides, padding=padding)(inputs) x = BatchNormalization()(x) x = Activation('relu')(x) x = Conv2D(filters, kernel_size, strides=1, padding=padding)(x) x = BatchNormalization()(x) x = Add()([x, inputs]) x = Activation('relu')(x) return xinput_shape = (224, 224, 3)input1 = Input(input_shape)input2 = Input(input_shape)input3 = Input(input_shape)x = Conv2D(64, 7, strides=2, padding='same')(input1)x = BatchNormalization()(x)x = Activation('relu')(x)x = res_block(x, 64)x = res_block(x, 64)x = Conv2D(128, 3, strides=2, padding='same')(x)x = BatchNormalization()(x)x = Activation('relu')(x)x = res_block(x, 128)x = res_block(x, 128)x = Conv2D(256, 3, strides=2, padding='same')(x)x = BatchNormalization()(x)x = Activation('relu')(x)x = res_block(x, 256)x = res_block(x, 256)x = Conv2D(512, 3, strides=2, padding='same')(x)x = BatchNormalization()(x)x = Activation('relu')(x)x = res_block(x, 512)x = res_block(x, 512)x1 = Conv2D(1024, 3, strides=2, padding='same')(x)x1 = BatchNormalization()(x1)x1 = Activation('relu')(x1)x1 = res_block(x1, 1024)x1 = res_block(x1, 1024)x1 = Conv2D(2048, 3, strides=2, padding='same')(x1)x1 = BatchNormalization()(x1)x1 = Activation('relu')(x1)x1 = res_block(x1, 2048)x1 = res_block(x1, 2048)output1 = x1x2 = Conv2D(1024, 3, strides=2, padding='same')(x)x2 = BatchNormalization()(x2)x2 = Activation('relu')(x2)x2 = res_block(x2, 1024)x2 = res_block(x2, 1024)x2 = Conv2D(2048, 3, strides=2, padding='same')(x2)x2 = BatchNormalization()(x2)x2 = Activation('relu')(x2)x2 = res_block(x2, 2048)x2 = res_block(x2, 2048)output2 = x2x3 = Conv2D(1024, 3, strides=2, padding='same')(x)x3 = BatchNormalization()(x3)x3 = Activation('relu')(x3)x3 = res_block(x3, 1024)x3 = res_block(x3, 1024)x3 = Conv2D(2048, 3, strides=2, padding='same')(x3)x3 = BatchNormalization()(x3)x3 = Activation('relu')(x3)x3 = res_block(x3, 2048)x3 = res_block(x3, 2048)output3 = x3model = Model(inputs=[input1, input2, input3], outputs=[output1, output2, output3])

帮我用pytorch改写:def make_generator_model(): model = tf.keras.Sequential() model.add(layers.Input(shape=(100, 12))) model.add(layers.Bidirectional(layers.LSTM(64, return_sequences=True))) model.add(layers.Conv1D(filters=128, kernel_size=16, strides=1, padding='same')) model.add(layers.LeakyReLU()) model.add(layers.Conv1D(filters=64, kernel_size=16, strides=1, padding='same')) model.add(layers.LeakyReLU()) model.add(layers.UpSampling1D(2)) model.add(layers.Conv1D(filters=32, kernel_size=16, strides=1, padding='same')) model.add(layers.LeakyReLU()) model.add(layers.Conv1D(filters=16, kernel_size=16, strides=1, padding='same')) model.add(layers.LeakyReLU()) model.add(layers.UpSampling1D(2)) model.add(layers.Conv1D(filters=1, kernel_size=16, strides=1, padding='same', activation='tanh')) model.add(layers.Permute((2, 1))) return model def make_discriminator_model(): model = tf.keras.Sequential() model.add(layers.Input(shape=(1, 400))) model.add(layers.Permute((2, 1))) model.add(layers.Conv1D(filters=32, kernel_size=16, strides=1, padding='same')) model.add(layers.LeakyReLU()) # model.add(layers.Dropout(0.4)) model.add(layers.Conv1D(filters=64, kernel_size=16, strides=1, padding='same')) model.add(layers.LeakyReLU()) model.add(layers.MaxPool1D(pool_size=2)) model.add(layers.Conv1D(filters=128, kernel_size=16, strides=1, padding='same')) model.add(layers.LeakyReLU()) # model.add(layers.Dropout(0.4)) model.add(layers.Conv1D(filters=256, kernel_size=16, strides=1, padding='same')) model.add(layers.LeakyReLU()) model.add(layers.MaxPool1D(pool_size=2)) model.add(layers.Flatten()) model.add(layers.Dense(1)) return model

将以下Python代码转化为MATLAB代码并在每行上 标明注释: # -- coding: utf-8 -- from keras.models import Model from keras.layers import Conv2D, UpSampling2D, Input, concatenate, MaxPooling2D from keras.optimizers import Adam import numpy as np #from keras import backend as K #import matplotlib.pyplot as plt #import scipy.io as sio import h5py matfn='train_random_1000.mat' #with h5py.File(matfn, 'r') as f: # f.keys() # matlabdata.mat 中的变量名 data = h5py.File(matfn) W_train = data['w'].value X_train = data['L_vel'].value Y_train = data['H_vel'].value W_train = W_train.transpose((0,2,1)) X_train = X_train.transpose((0,2,1)) Y_train = Y_train.transpose((0,2,1)) W_train = W_train.reshape(1000, 800, 800, 1) X_train = X_train.reshape(1000, 100, 100, 1) Y_train = Y_train.reshape(1000, 800, 800, 1) inputs = Input(shape=(100,100,1)) w_inputs = Input(shape=(800,800,1)) upSam = UpSampling2D(size = (8,8))(inputs) up = concatenate([upSam, w_inputs], axis=3) conv1 = Conv2D(filters = 8,kernel_size=(3,3), activation = 'relu', padding = 'Same')(up) conv1 = Conv2D(filters = 8,kernel_size=(3,3), activation = 'relu', padding = 'Same')(conv1) pool1 = MaxPooling2D(pool_size=(2,2))(conv1) conv2 = Conv2D(16, (3,3), activation = 'relu', padding='same')(pool1) conv2 = Conv2D(16, (3,3), activation = 'relu', padding='same')(conv2) pool2 = MaxPooling2D(pool_size=(2,2))(conv2) conv3 = Conv2D(32, (3,3), activation = 'relu', padding='same')(pool2) conv3 = Conv2D(32, (3,3), activation = 'relu', padding='same')(conv3) up4 = concatenate([UpSampling2D(size=(2,2))(conv3), conv2], axis=3) conv4 = Conv2D(16, (3,3), activation = 'relu', padding='same')(up4) conv4 = Conv2D(16, (3,3), activation = 'relu', padding='same')(conv4) up5 = concatenate([UpSampling2D(size=(2,2))(conv4), conv1], axis=3) conv5 = Conv2D(8, (3,3), activation = 'relu', padding='same')(up5) conv5 = Conv2D(8, (3,3), activation = 'relu', padding='same')(conv5) conv6 = Conv2D(4, (3,3), padding='same')(conv5) conv7 = Conv2D(2,(3,3),padding = 'same')(conv6) conv8 = Conv2D(1,(3,3),padding = 'same')(conv7) model1 = Model(inputs=[inputs,w_inputs], outputs=[conv8]) optimizer = Adam(lr = 0.001, decay=0.0) model1.compile(loss='mean_squared_error', optimizer=optimizer) model1.fit([X_train, W_train],Y_train,batch_size=10,epochs=30,shuffle=True,verbose=1,validation_split=0.2) # #result = model1.predict([X_train, W_train],batch_size=1) #resultfile = 'result1.mat' #sio.savemat(resultfile, {'result':result}) model_json = model1.to_json() with open("HRRM_model1.json", "w") as json_file: json_file.write(model_json) # serialize weights to HDF5 model1.save_weights("HRRM_model1.h5") print("Saved model to disk")

def MEAN_Spot(opt): # channel 1 inputs1 = layers.Input(shape=(42,42,1)) conv1 = layers.Conv2D(3, (5,5), padding='same', activation='relu', kernel_regularizer=l2(0.001))(inputs1) bn1 = layers.BatchNormalization()(conv1) pool1 = layers.MaxPooling2D(pool_size=(3, 3), padding='same', strides=(3,3))(bn1) do1 = layers.Dropout(0.3)(pool1) # channel 2 inputs2 = layers.Input(shape=(42,42,1)) conv2 = layers.Conv2D(3, (5,5), padding='same', activation='relu', kernel_regularizer=l2(0.001))(inputs2) bn2 = layers.BatchNormalization()(conv2) pool2 = layers.MaxPooling2D(pool_size=(3, 3), padding='same', strides=(3,3))(bn2) do2 = layers.Dropout(0.3)(pool2) # channel 3 inputs3 = layers.Input(shape=(42,42,1)) conv3 = layers.Conv2D(8, (5,5), padding='same', activation='relu', kernel_regularizer=l2(0.001))(inputs3) bn3 = layers.BatchNormalization()(conv3) pool3 = layers.MaxPooling2D(pool_size=(3, 3), padding='same', strides=(3,3))(bn3) do3 = layers.Dropout(0.3)(pool3) # merge 1 merged = layers.Concatenate()([do1, do2, do3]) # interpretation 1 merged_conv = layers.Conv2D(8, (5,5), padding='same', activation='relu', kernel_regularizer=l2(0.1))(merged) merged_pool = layers.MaxPooling2D(pool_size=(2, 2), padding='same', strides=(2,2))(merged_conv) flat = layers.Flatten()(merged_pool) flat_do = layers.Dropout(0.2)(flat) # outputs outputs = layers.Dense(1, activation='linear', name='spot')(flat_do) #Takes input u, v, os model = keras.models.Model(inputs=[inputs1, inputs2, inputs3], outputs=[outputs]) model.compile( loss={'spot':'mse'}, optimizer=opt, metrics={'spot':tf.keras.metrics.MeanAbsoluteError()}, ) return model 如何引入CBAM模块

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