Added normalized in the Embedding

bob/learn/tensorflow/network/Embedding.py

@@ -6,6 +6,7 @@
 
 import tensorflow as tf
 from bob.learn.tensorflow.utils.session import Session
+from bob.learn.tensorflow.datashuffler import Linear
 
 
 class Embedding(object):
@@ -19,12 +20,18 @@ class Embedding(object):
       graph: Embedding graph
     
     """
-    def __init__(self, input, graph):
+    def __init__(self, input, graph, normalizer=Linear()):
         self.input = input
         self.graph = graph
+        self.normalizer = normalizer
 
     def __call__(self, data):
         session = Session.instance().session
+
+        if self.normalizer is not None:
+            for i in range(data.shape[0]):
+                data[i] = self.normalizer(data[i])
+
         feed_dict = {self.input: data}
 
         return session.run([self.graph], feed_dict=feed_dict)[0]