from tensorflow.keras.models import Model
from tensorflow.keras.layers import Input,Conv2D,MaxPool2D,GlobalAveragePooling2D,Dropout
from tensorflow.keras.layers import concatenate,Dense
# from tensorflow.keras.utils import plot_model
def fire_model(x, s_1x1, e_1x1, e_3x3, fire_name):
# squeeze part
squeeze_x = Conv2D(kernel_size=(1,1),filters=s_1x1,padding='same',activation='relu',name=fire_name+'_s1')(x)
# expand part
expand_x_1 = Conv2D(kernel_size=(1,1),filters=e_1x1,padding='same',activation='relu',name=fire_name+'_e1')(squeeze_x)
expand_x_3 = Conv2D(kernel_size=(3,3),filters=e_3x3,padding='same',activation='relu',name=fire_name+'_e3')(squeeze_x)
# expand = merge([expand_x_1, expand_x_3], mode='concat', concat_axis=3)
expand = concatenate([expand_x_1, expand_x_3],axis=3)
return expand
def SqueezeNet(nb_classes,inputs=(224, 224,3)):
input_img = Input(shape=inputs)
conv1 = Conv2D(strides = 2, filters=96, kernel_size=(7,7), padding='same', activation='relu',data_format='channels_last')(input_img)
poo1 = MaxPool2D((2,2))(conv1)
fire2 = fire_model(poo1, 16, 64, 64,'fire2')
fire3 = fire_model(fire2, 16, 64, 64,'fire3')
fire4 = fire_model(fire3, 32, 128, 128,'fire4')
pool2 = MaxPool2D((2,2))(fire4)
fire5 = fire_model(pool2, 32, 128, 128,'fire5')
fire6 = fire_model(fire5, 48, 192, 192,'fire6')
fire7 = fire_model(fire6, 48, 192, 192,'fire7')
fire8 = fire_model(fire7, 64, 256, 256,'fire8')
pool3 = MaxPool2D((2,2))(fire8)
fire9 = fire_model(pool3, 64, 256, 256,'fire9')
dropout1 = Dropout(0.5)(fire9)
conv10 = Conv2D(kernel_size=(1,1), filters=100, padding='same', activation='relu')(dropout1)
gap = GlobalAveragePooling2D()(conv10)
out=Dense(nb_classes,activation='softmax')(gap)
return Model(inputs=input_img, outputs=out)
if __name__ == "__main__":
sq = SqueezeNet(10, inputs=(375, 500, 2))
sq.summary()
# plot_model(sq, to_file='model_1d.png', show_shapes=True)
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基于SqueezeNet网络的注意力机制.zip (5个子文件)
Attention-SqueezeNet-master
model.png 268KB
SqueezeNet-train.py 2KB
img2np.py 1KB
SqueezeNet.py 2KB
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