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  • 大小: 22.17MB
    文件類型: .zip
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    發(fā)布日期: 2023-07-06
  • 語言: 其他
  • 標簽: GAN??手寫數(shù)字??

資源簡介

利用GAN原始模型,生成手寫數(shù)字,包含數(shù)據(jù)集和代碼,直接可以用。

資源截圖

代碼片段和文件信息

import?tensorflow?as?tf
import?numpy?as?np
from?GAN.TWO?import?util
import?os
from?tensorflow.examples.tutorials.mnist?import?input_data
import?matplotlib.pyplot?as?plt
import?matplotlib.gridspec?as?gridspec
#讀入數(shù)據(jù)
mnist=input_data.read_data_sets(‘./data‘one_hot=True)
#?print(mnist)

Z=tf.placeholder(tf.float32shape=[None100])

X=tf.placeholder(tf.float32shape=[None784])
#喂入數(shù)據(jù)
G_sample=util.generator(Z)
D_realD_logit_real=util.discriminator(X)
D_fakeD_logit_fake=util.discriminator(G_sample)
#計算loss
D_real_loss=tf.reduce_mean(tf.nn.sigmoid_cross_entropy_with_logits(logits=D_logit_real
????????????????????????????????????????labels=tf.ones_like(D_logit_real)))
D_fake_loss=tf.reduce_mean(tf.nn.sigmoid_cross_entropy_with_logits(logits=D_logit_fake
????????????????????????????????????????labels=tf.zeros_like(D_logit_fake)))
D_loss=D_fake_loss+D_real_loss

G_loss=tf.reduce_mean(tf.nn.sigmoid_cross_entropy_with_logits(logits=D_logit_fake
????????????????????????????????????????labels=tf.ones_like(D_logit_fake)))

D_optimizer=tf.train.AdamOptimizer().minimize(D_lossvar_list=util.theta_D)
G_optimizer=tf.train.AdamOptimizer().minimize(G_lossvar_list=util.theta_G)

if?not?os.path.exists(‘out/‘):
????os.makedirs(‘out/‘)
“““
畫圖
“““
def?plot(samples):
????gs=gridspec.GridSpec(44)
????gs.update(wspace=0.05hspace=.05)
????for?isample?in?enumerate(samples):
????????ax?=?plt.subplot(gs[i])
????????plt.axis(‘off‘)
????????ax.set_xticklabels([])
????????ax.set_yticklabels([])
????????ax.set_aspect(‘equal‘)

????????plt.imshow(sample.reshape(2828)cmap=‘Greys_r‘)
print(“=====================開始訓練============================“)
with?tf.Session()?as?sess:
????sess.run(tf.global_variables_initializer())
????for?it?in?range(10000):
????????X_mb_=mnist.train.next_batch(batch_size=128)
????????#?print(X_mb)
????????_D_loss_curr=sess.run([D_optimizerD_loss]
???????????????????????????????feed_dict={X:X_mbZ:util.sample_z(128100)})
????????_?G_loss_curr?=?sess.run([G_optimizer?G_loss]
??????????????????????????????????feed_dict={Z:?util.sample_z(128?100)})
????????if?it%1000==0:
????????????print(‘====================打印出生成的數(shù)據(jù)============================‘)
????????????samples=sess.run(G_samplefeed_dict={Z:?util.sample_z(16?100)})
????????????plot(samples)
????????????plt.show()
????????if?it%1000==0:
????????????print(‘iter={}‘.format(it))
????????????print(‘D_loss={}‘.format(D_loss_curr))
????????????print(‘G_loss={}‘.format(G_loss_curr))

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-07-29?05:06??TWO\
?????文件????????1218??2018-07-28?16:03??TWO\util.py
?????文件????????3591??2018-07-28?15:38??TWO\test.py
?????文件????????2526??2018-07-29?05:06??TWO\main.py
?????目錄???????????0??2018-07-28?15:44??TWO\out\
?????文件???????18932??2018-07-28?15:44??TWO\out\001.png
?????文件???????31842??2018-07-28?15:47??TWO\out\000.png
?????目錄???????????0??2018-07-28?16:04??TWO\__pycache__\
?????文件????????1534??2018-07-28?16:04??TWO\__pycache__\util.cpython-35.pyc
?????目錄???????????0??2018-07-28?15:15??TWO\data\
?????文件????????4542??2018-07-28?15:15??TWO\data\t10k-labels-idx1-ubyte.gz
?????文件?????1648877??2018-07-28?15:15??TWO\data\t10k-images-idx3-ubyte.gz
?????文件???????28881??2018-07-28?15:15??TWO\data\train-labels-idx1-ubyte.gz
?????文件?????9912422??2018-07-28?15:15??TWO\data\train-images-idx3-ubyte.gz
?????文件???????60008??2018-07-28?15:06??TWO\data\train-labels-idx1-ubyte
?????文件????47040016??2018-07-28?15:09??TWO\data\train-images-idx3-ubyte
?????文件???????10008??2018-07-28?15:09??TWO\data\t10k-labels-idx1-ubyte
?????文件?????7840016??2018-07-28?15:12??TWO\data\t10k-images-idx3-ubyte

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