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    發布日期: 2021-06-17
  • 語言: 其他
  • 標簽: python??Keras??

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在Keras對手寫數字mnist測試完以后 用來嘗試做自己的特征矩陣和標簽

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代碼片段和文件信息

#?-*-?coding:?utf-8?-*-
“““
Created?on?Wed?Jul?27?14:46:31?2016
http://blog.csdn.net/treasure_z/article/details/51164375
http://www.360doc.com/content/16/0608/13/1317564_566039312.shtml
http://blog.csdn.net/treasure_z/article/details/51125146
http://benjaminbolte.com/blog/2016/keras-language-modeling.html
@author:?admin
“““
from?__future__?import?absolute_import
from?__future__?import?print_function
from?keras.models?import?Sequential
from?keras.layers.core?import?Dense?Dropout?Activation?Flatten
from?keras.layers.convolutional?import?Convolution1DMaxPooling1DAveragePooling1D
#from?keras.optimizers?import?SGD
#from?keras.utils?import?np_utils
from?six.moves?import?range
import?random
from?keras.callbacks?import?EarlyStopping
import?numpy??as?np
import?sys
reload(sys)
sys.setdefaultencoding(‘utf8‘)

print(“read?feature?and?label...“)
data=np.loadtxt(‘feature0704.txt‘dtype=‘float‘)
data.shape=16438373

label=np.loadtxt(“label0704.txt“dtype=‘int‘)
label.shape?=1643?1
index?=?[i?for?i?in?range(len(data))]
random.shuffle(index)
data?=?data[index]
label?=?label[index]
(X_trainX_val)?=?(data[0:900]data[900:])
(Y_trainY_val)?=?(label[0:900]label[900:])
#np.random.seed(1643)??
#nb_class?=?2
#label?=?np_utils.to_categorical(label?nb_class)?#二類別不需要
#################################################################
def?create_model():
????print(“first?layer...“)
????model=Sequential()
????model.add(Convolution1D(nb_filter=1641filter_length=3border_mode=“valid“activation=“relu“input_shape=(16438373)subsample_length=1))
????model.add(MaxPooling1D(pool_length=2))
????#model.add(AveragePooling1D(pool_length=2))
????model.add(Flatten())
????print(“the?second?layer...“)
????model.add(Dense(8373activation=“relu“))
????model.add(Dropout(0.5))
????print(“the?third?layer...“)
????model.add(Dense(1activation=“sigmoid“))
????return?model????
##################################################################??
model?=?create_model()
print(“Compiling?model..“)
model.compile(loss=“binary_crossentropy“?optimizer=“rmsprop“class_mode?=?“binary“metrics=[“accuracy“])
print(“Fitting?model..“)
early_stopping?=?EarlyStopping(monitor=‘val_loss‘?patience=1)
hist?=?model.fit(X_train?Y_train?batch_size?=100show_accuracy=True?nb_epoch?=?5?validation_data?=?(X_val?Y_val)callbacks=[early_stopping])

#preLabels?=?model.predict_classes(testArray?batch_size?=?batch_sizeverbose?=?2)

################################################################
#score=model.evaluate(X_test?Y_test?batch_size=100show_accuracy=True?verbose=1)?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-08-05?09:36??myCNNtry\
?????文件????????2642??2016-07-27?17:33??myCNNtry\myCNN.py
?????文件????????2202??2016-07-27?17:44??myCNNtry\myCNN2.py
?????文件????????2629??2016-07-28?14:15??myCNNtry\myCNN3.py

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