Ich habe diesen Code erstellt, aber ich bin mit einer Dimensionalität Fehler steckenTensorflow Dimensionalität Ausgabe mit reshape
import pandas as pd
import matplotlib.pyplot as plt
import numpy as np
import tensorflow as tf
from tensorflow.contrib.rnn.python.ops import rnn_cell, rnn
from time import time
# 2) Import MNIST data http://yann.lecun.com/exdb/mnist/
from tensorflow.examples.tutorials.mnist import input_data
mnist = input_data.read_data_sets("MNIST_data/", one_hot=True)
x_train = mnist.train.images
# Define the appropriate model and variables (USER INPUTS)
batch = 100 # Define the size of the batch
units = 32 # Number of units of each network
recurrent_layers = 1 # Number of layers
nnclasses = 10 # MNIST classes (0-9)
steps = x_train.shape[1] # 784
feed = 1 # Number of pixels to be fed into the model
recurrent_layers = 1 # Define the size of the recurrent layers
dropout = 1 #
x = tf.placeholder(tf.float32,[None, None]) # batch(100)x784
x_resh = tf.reshape(x,[-1,steps,1]) # (100, 784, 1)
keep_prob = tf.placeholder(tf.float32,shape=[])
def weight_variable(shape):
initial = tf.truncated_normal(shape, stddev=0.1)
return tf.Variable(initial)
w_fc = weight_variable([units, nnclasses])
cell = tf.contrib.rnn.GRUCell(units)
cell = tf.contrib.rnn.DropoutWrapper(cell, input_keep_prob = keep_prob)
cell = tf.contrib.rnn.MultiRNNCell([cell] * recurrent_layers)
cell = tf.contrib.rnn.DropoutWrapper(cell, output_keep_prob = keep_prob)
outputs, final_state = tf.nn.dynamic_rnn(cell, x_resh, dtype=tf.float32)
output = outputs[:,:-1, :]
logits = tf.matmul(tf.reshape(output,[-1,tf.shape(w_fc)[0]]), w_fc) # [78300, 10]
y = tf.reshape(x[:,1:], [-1, nnclasses]) # [7830, 10]
K = [tf.shape(y)[0], tf.shape(logits)[0]]
sess = tf.InteractiveSession()
sess.run(tf.global_variables_initializer())
def binarize(images, threshold=0.1):
return (threshold < images).astype('float32')
batch_x, _ = mnist.train.next_batch(batch)
batch_x = binarize(batch_x, threshold=0.1)
return = sess.run(K, feed_dict={x: batch_x, keep_prob: 1.0})
Welche kehrt [7830, 78300]. Das Problem ist, dass diese beiden Nummern identisch sein sollten. Sie sind die Reihen von y und logits, und wenn sie nicht ähnlich sind, kann ich sie nicht in einer Kreuz-Entropie-Einstellung vergleichen. Kann mir jemand bitte mitteilen, wo der Prozess falsch ist? Eigentlich sollte das (y) zurückkehren [78300, 10], aber ich weiß nicht warum.