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tensorflow-train's Introduction

本github是个人学习tensorflow时对官方代码进行修改的demo
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MNIST手写字识别
目录 /mnist

/minist/data和/mnist/Mnist_data是官方的mnist数据库,原本还想把解析出来的图片放进去,奈何太多了,几万张,git卡死,只好作罢。
我修改的主要是mnist_softmax.py,新增一个mnist_demo.py(将图片转为标准的矩阵)

/mnist/test_num中存放待预测的图片,比如目前可以放28*28的灰度图或者rgb图,图片的命名格式为 标准数字_序号。


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tensorflow-train's Issues

mnist_demo.py提示“ImportError: No module named Image”

已经用pip install image,但是运行代码mnist_demo.py依然提示“ImportError: No module named Image”错误 , 查看mnist_demo.py代码里直接写的import Image 就会报错, 改成from PIL import Image 就不报错误了, 不知道大家在用的时候有没有遇到这个问题, 如何才能不用from PIL 而不报错呢?

运行出现这个问题

raise ArgumentError(action, message % conflict_string)

ArgumentError: argument --learning_rate: conflicting option string: --learning_rate

在运行mnist_softmax.py是遇到了一些问题,希望同学能够帮助解答一些

代码如下
Traceback (most recent call last): File "mnist_softmax.py", line 40, in <module> mnist = input_data.read_data_sets(FLAGS.data_dir, one_hot=True) File "/home/liushiyao/tensorflow-train/mnist/input_data.py", line 201, in read_data_sets local_file = maybe_download(TRAIN_IMAGES, train_dir) File "/home/liushiyao/tensorflow-train/mnist/input_data.py", line 38, in maybe_download if not tf.gfile.Exists(work_directory): AttributeError: 'module' object has no attribute 'gfile'

请教个问题 cnn_minist.py里面

w_conv1 = weight_variable([5, 5, 1, 32])
这里这个shape最后一个为什么是32呢, 这个有没有啥说法,我理解是把一张图片分成32张,每张可能提取到不同的特征。 我把32换成1, 后面的64换成2,也能运行,而且训练速度更快,迭代到最后正确率差不多

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