[GitHub] sandeep-krishnamurthy commented on a change in pull request #12419: [MXNET-580] [WIP] Add SN-GAN example

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sandeep-krishnamurthy commented on a change in pull request #12419: [MXNET-580] [WIP] Add SN-GAN example
URL: https://github.com/apache/incubator-mxnet/pull/12419#discussion_r216546547
 
 

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 File path: example/gluon/sn-gan/model.py
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 @@ -0,0 +1,135 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# This example is inspired by https://github.com/jason71995/Keras-GAN-Library,
+# https://github.com/kazizzad/DCGAN-Gluon-MxNet/blob/master/MxnetDCGAN.ipynb
+# https://github.com/apache/incubator-mxnet/blob/master/example/gluon/dcgan.py
+
+import mxnet as mx
+from mxnet import nd
+from mxnet import gluon
+from mxnet.gluon import Block
+
+
+EPSILON = 1e-08
+POWER_ITERATION = 1
+
+class SNConv2D(Block):
+    """ Customized Conv2D to feed the conv with the weight that we apply spectral normalization """
+
+    def __init__(self, num_filter, kernel_size,
+                 strides, padding, in_channels,
+                 ctx, iterations=1):
 
 Review comment:
   set default ctx=mx.cpu()

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