ITPub博客

首页 > 应用开发 > > 入门卷积神经网络遇到错误

入门卷积神经网络遇到错误

作者:doudourabbit 时间:2019-10-09 16:12:04 0 删除 编辑

convolutional:

importos

importmodel

importtensorflow as tf

importinput_data

 

data=input_data.read_data_sets('MINST_data',one_hot=True)

 

with tf.variable_scope("convolutional"):

    x=tf.placeholder(tf.float32,[None,784],name="x")

    keep_prob=tf.placeholder(tf.float32)

    y,variables=model.convolutional(x,keep_prob)

 

y_=tf.placeholder(tf.float32,[None,10],name='y')

cross_entropy=-tf.reduce_sum(y_*tf.log(y))

train_step=tf.train.AdamOptimizer(1e-4).minimize(cross_entropy)

correct_prediction=tf.equal(tf.argmax(y,1),tf.argmax(y_,1))

accuracy=tf.reduce_mean(tf.cast(correct_prediction,tf.float32))

 

saver=tf.train.Saver(variables)

 

with tf.Session() as sess:

    merged_summary_op=tf.summary.merge_all()

    summay_writer=tf.summary.FileWriter('/tmp/mnist_log/1',sess.graph)

    summay_writer.add_graph(sess.graph)

    sess.run(tf.global_variables_initializer())

 

    fori inrange(20000):

        batch=data.train.next_batch(50)

        ifi%100==0:

            train_accuracy=accuracy.eval(feed_dict={x:batch[0],y_:batch[1],keep_prob:1.0})

            print("step %d, training accuracy %g"%(i,train_accuracy))

        sess.run(train_step,feed_dict={x:batch[0],y_:batch[1],keep_prob:0.5})

 

    print(sess.run(accuracy,feed_dict={x:data.test.images,y_:data.test.labels,keep_prob:1.0}))

 

    path=saver.save(

        sess,os.path.join(os.path.dirname(__file__),'data','convolutional.ckpt'),

        write_meta_graph=False,write_state=False)

 

    print("Saved:",path)

    

    model:

    importtensorflow as tf

 

defregression(x):

    W=tf.Variable(tf.zeros([784,10]),name="W")

    b=tf.Variable(tf.zeros([10]),name="b")

    y=tf.nn.softmax(tf.matmul(x,W)+b)

 

    returny,[W,b]

 

defconvolutional(x,keep_prob):

    defconv2d(x,W):

        returntf.nn.conv2d([1,1,1,1],padding="SAME")

    defmax_pool_2x2(x):

        returntf.nn.max_pool(x,ksize=[1,2,2,1],strides=[1,2,2,1])

 

    defweight_variable(shape):

        initial=tf.truncated_normal(shape,stddev=0.1)

        returntf.Variable(initial)

 

    defbias_variable(shape):

        initial=tf.constant(0.1,shape=shape)

        returntf.Variable(initial)

    x_image=tf.reshape(x,[-1,28,28,1])

    W_conv1=weight_variable([5,5,1,32])

    b_conv1=bias_variable([32])

    h_convl=tf.nn.relu(conv2d(x_image,W_conv1)+b_conv1)

    h_pool1=max_pool_2x2(h_convl)

 

    W_conv2 =weight_variable([5, 5, 32, 64])

    b_conv2 =bias_variable([64])

    h_conv2 =tf.nn.relu(conv2d(h_pool1, W_conv2) +b_conv2)

    h_pool2 =max_pool_2x2(h_conv2)

 

    W_fc1=weight_variable([7*7*64,1024])

    b_fc1=bias_variable([1024])

    h_pool2_flat=tf.reshape(h_pool2,[-1,7*7*64])

    h_fc1=tf.nn.relu(tf.matmul(h_pool2_flat,W_fc1)+b_fc1)

 

    h_fc1_drop=tf.nn.dropout(h_fc1,keep_prob)

 

    W_fc2=weight_variable([1024,10])

    b_fc2=bias_variable([10])

    y=tf.nn.softmax(tf.matmul(h_fc1_drop,W_fc2)+b_fc2)

 

    returny,[W_conv1,b_conv1,W_conv2,b_conv2,W_fc1,b_fc1,W_fc2,b_fc2]

    

    

    

    报错如下:

    

    

    

    WARNING:tensorflow:From D:\Python\workspace\Pybasis\minist\model.py:17: The name tf.truncated_normal isdeprecated. Please use tf.random.truncated_normal instead.Traceback (most recent call last):  File"D:/Python/workspace/Pybasis/minist/convolutional.py", line 11, in<module>    y,variables=model.convolutional(x,keep_prob)  File"D:\Python\workspace\Pybasis\minist\model.py", line 26, inconvolutional    h_convl=tf.nn.relu(conv2d(x_image,W_conv1)+b_conv1)  File"D:\Python\workspace\Pybasis\minist\model.py", line 12, inconv2d    returntf.nn.conv2d([1,1,1,1],padding="SAME")  File"D:\Python\Anaconda3\lib\site-packages\tensorflow\python\ops\nn_ops.py", line 1953, inconv2d    name=name)  File"D:\Python\Anaconda3\lib\site-packages\tensorflow\python\ops\gen_nn_ops.py", line 1070, inconv2d    data_format=data_format, dilations=dilations, name=name)  File"D:\Python\Anaconda3\lib\site-packages\tensorflow\python\framework\op_def_library.py", line 626, in_apply_op_helper    param_name=input_name)  File"D:\Python\Anaconda3\lib\site-packages\tensorflow\python\framework\op_def_library.py", line 60, in_SatisfiesTypeConstraint    ", ".join(dtypes.as_dtype(x).name forx inallowed_list)))TypeError: Value passed to parameter 'input'has DataType int32 notinlistof allowed values: float16, bfloat16, float32, float64Process finished with exit code 1

来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/4809/viewspace-3141113/ ,如需转载,请注明出处,否则将追究法律责任。

请登录后发表评论 登录
全部评论

注册时间:2019-04-25

  • 博文量
    193
  • 访问量
    1437