import?gzip
import?os

GPUID?=?1
os.environ[“CUDA_VISIBLE_DEVICES“]?=?str（GPUID）

from?scipy?import?ndimage
from?six.moves?import?urllib
import?numpy?as?np
import?tensorflow?as?tf
import?tensorflow.contrib.slim?as?slim
import?math
import?sys
import?scipy.io


import?pdb

print?（“PACKAGES?LOADED“）



def?CNN（inputs?_is_training=True）:
????x???=?tf.reshape（inputs?[-1?28?28?1]）
????batch_norm_params?=?{‘is_training‘:?_is_training?‘decay‘:?0.9?‘updates_collections‘:?None}
????net?=?slim.conv2d（x?32?[5?5]?padding=‘SAME‘
??????????????????????activation_fn???????=?tf.nn.relu
??????????????????????weights_initializer?=?tf.truncated_normal_initializer（stddev=0.01）
??????????????????????normalizer_fn???????=?slim.batch_norm
??????????????????????normalizer_params???=?batch_norm_params
??????????????????????scope=‘conv1‘）
????net?=?slim.max_pool2d（net?[2?2]?scope=‘pool1‘）
????net?=?slim.conv2d（net?64?[5?5]?scope=‘conv2‘）
????net?=?slim.max_pool2d（net?[2?2]?scope=‘pool2‘）
????net?=?slim.flatten（net?scope=‘flatten3‘）
????net?=?slim.fully_connected（net?1024
?????????????????????activation_fn???????=?tf.nn.relu
?????????????????????weights_initializer?=?tf.truncated_normal_initializer（stddev=0.01）
?????????????????????normalizer_fn???????=?slim.batch_norm
?????????????????????normalizer_params???=?batch_norm_params
?????????????????????scope=‘fc4‘）
????net?=?slim.dropout（net?keep_prob=0.7?is_training=_is_training?scope=‘dropout4‘）??
????out?=?slim.fully_connected（net?10?activation_fn=None?normalizer_fn=None?scope=‘fco‘）
????return?out


#?DATA?URL
SOURCE_URL??????=?‘http://yann.lecun.com/exdb/mnist/‘
DATA_DIRECTORY??=?“data“
#?PARAMETERS?FOR?MNIST
IMAGE_SIZE??????=?28
NUM_CHANNELS????=?1
PIXEL_DEPTH?????=?255
NUM_LABELS??????=?10
VALIDATION_SIZE?=?5000??#?Size?of?the?validation?set.

#?DOWNLOAD?MNIST?DATA?IF?NECESSARY
def?maybe_download（filename）:
????if?not?tf.gfile.Exists（DATA_DIRECTORY）:
????????tf.gfile.MakeDirs（DATA_DIRECTORY）
????filepath?=?os.path.join（DATA_DIRECTORY?filename）
????if?not?tf.gfile.Exists（filepath）:
????????filepath?_?=?urllib.request.urlretrieve（SOURCE_URL?+?filename?filepath）
????????with?tf.gfile.GFile（filepath）?as?f:
????????????size?=?f.size（）
????????print（‘Successfully?downloaded‘?filename?size?‘bytes.‘）
????return?filepath

#?EXTRACT?IMAGES
def?extract_data（filename?num_images）:
????with?gzip.open（filename）?as?bytestream:
????????bytestream.read（16）
????????buf?=?bytestream.read（IMAGE_SIZE?*?IMAGE_SIZE?*?num_images?*?NUM_CHANNELS）
????????data?=?np.frombuffer（buf?dtype=np.uint8）.astype（np.float32）
????????data?=?（data?-?（PIXEL_DEPTH?/?2.0））?/?PIXEL_DEPTH?#?-0.5~0.5
????????data?=?data.reshape（num_images?IMAGE_SIZE?IMAGE_SIZE?NUM_CHANNELS）
????????data?=?np.reshape（data?[num_images?-1]）
????return?data?#?[image?index?y?x?channels]

#?EXTRACT?LABELS
def?extract_labels（filename?num_images）:
????with?gzip.open（filename）?as?bytestream:
????????bytestream.read（8）
????????buf?=?by

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-11-24?02:18??MNIST_Inception_Score-master\
?????文件??????????17??2017-11-24?02:18??MNIST_Inception_Score-master\.gitignore
?????文件????????1943??2017-11-24?02:18??MNIST_Inception_Score-master\README.md
?????文件???????12427??2017-11-24?02:18??MNIST_Inception_Score-master\icp_plot.pdf
?????文件????????8935??2017-11-24?02:18??MNIST_Inception_Score-master\mnist_cnn_icp_eval.py
?????文件???????10543??2017-11-24?02:18??MNIST_Inception_Score-master\mnist_cnn_train_slim.py
?????文件?????????652??2017-11-24?02:18??MNIST_Inception_Score-master\mnist_icp_plot.py
?????目錄???????????0??2017-11-24?02:18??MNIST_Inception_Score-master\model\
?????文件??????????77??2017-11-24?02:18??MNIST_Inception_Score-master\model\checkpoint
?????文件????39304068??2017-11-24?02:18??MNIST_Inception_Score-master\model\model.ckpt.data-00000-of-00001
?????文件????????1131??2017-11-24?02:18??MNIST_Inception_Score-master\model\model.ckpt.index
?????文件??????274516??2017-11-24?02:18??MNIST_Inception_Score-master\model\model.ckpt.meta