Revert "Add virtual_batch support"

This reverts commit 740e1b0c6a02a7bec20008758373f0dd80baade4.

1 files changed, 11 insertions, 25 deletions

diff --git a/dcgan.py b/dcgan.py
index 21afaac..347f61e 100644
--- a/dcgan.py
+++ b/dcgan.py
@@ -1,16 +1,11 @@
 from __future__ import print_function, division
-import tensorflow as keras
-
-import tensorflow as tf
-from tensorflow.keras.datasets import mnist
-from tensorflow.keras.layers import Input, Dense, Reshape, Flatten, Dropout
-from tensorflow.keras.layers import BatchNormalization, Activation, ZeroPadding2D
-from tensorflow.keras.layers import LeakyReLU
-from tensorflow.keras.layers import UpSampling2D, Conv2D
-from tensorflow.keras.models import Sequential, Model
-from tensorflow.keras.optimizers import Adam
-
-from lib.virtual_batch import VirtualBatchNormalization
+from keras.datasets import mnist
+from keras.layers import Input, Dense, Reshape, Flatten, Dropout
+from keras.layers import BatchNormalization, Activation, ZeroPadding2D
+from keras.layers.advanced_activations import LeakyReLU
+from keras.layers.convolutional import UpSampling2D, Conv2D
+from keras.models import Sequential, Model
+from keras.optimizers import Adam
 
 import matplotlib.pyplot as plt
 import matplotlib.gridspec as gridspec
@@ -22,7 +17,7 @@ import sys
 import numpy as np
 
 class DCGAN():
-    def __init__(self, conv_layers = 1, virtual_batch_normalization=False):
+    def __init__(self, conv_layers = 1):
         # Input shape
         self.img_rows = 28
         self.img_cols = 28
@@ -30,7 +25,6 @@ class DCGAN():
         self.img_shape = (self.img_rows, self.img_cols, self.channels)
         self.latent_dim = 100
         self.conv_layers = conv_layers
-        self.virtual_batch_normalization = virtual_batch_normalization
 
         optimizer = Adam(0.002, 0.5)
 
@@ -68,21 +62,14 @@ class DCGAN():
 
         for i in range(self.conv_layers):
             model.add(Conv2D(128, kernel_size=3, padding="same"))
-            if self.virtual_batch_normalization:
-                model.add(VirtualBatchNormalization())
-            else:
-                model.add(BatchNormalization())
+            model.add(BatchNormalization())
             model.add(Activation("relu"))
 
         model.add(UpSampling2D())
 
         for i in range(self.conv_layers):
             model.add(Conv2D(64, kernel_size=3, padding="same"))
-            if self.virtual_batch_normalization:
-                model.add(VirtualBatchNormalization())
-            else:
-                model.add(BatchNormalization())
-
+            model.add(BatchNormalization())
             model.add(Activation("relu"))
 
         model.add(Conv2D(self.channels, kernel_size=3, padding="same"))
@@ -151,7 +138,6 @@ class DCGAN():
             idx = np.random.randint(0, X_train.shape[0], batch_size)
             imgs = X_train[idx]
 
-            tf.keras.backend.get_session().run(tf.global_variables_initializer()) 
             # Sample noise and generate a batch of new images
             noise = np.random.normal(0, 1, (batch_size, self.latent_dim))
             gen_imgs = self.generator.predict(noise)
@@ -203,6 +189,6 @@ class DCGAN():
 
 '''
 if __name__ == '__main__':
-    dcgan = DCGAN(virtual_batch_normalization=True)
+    dcgan = DCGAN()
     dcgan.train(epochs=4000, batch_size=32, save_interval=50)
 '''