I don't know why I'm commiting this. Suddenly everything was updated with nothing

bob/learn/tensorflow/datashuffler/Base.py

@@ -191,10 +191,10 @@ class Base(object):
                 dst = numpy.reshape(dst, self.input_shape[1:4])
             else:
                 #dst = numpy.resize(data, self.bob_shape) # Scaling with numpy, because bob is c,w,d instead of w,h,c
-                #dst = numpy.zeros(shape=(data.shape[0], data.shape[1], 3))
-                #dst[:, :, 0] = data[:, :, 0]
-                #dst[:, :, 1] = data[:, :, 0]
-                #dst[:, :, 2] = data[:, :, 0]
+                dst = numpy.zeros(shape=(data.shape[0], data.shape[1], 3))
+                dst[:, :, 0] = data[:, :, 0]
+                dst[:, :, 1] = data[:, :, 0]
+                dst[:, :, 2] = data[:, :, 0]
 
                 # TODO: LAME SOLUTION
                 #if data.shape[0] != 3:  # GRAY SCALE IMAGES IN A RGB DATABASE
@@ -204,8 +204,8 @@ class Base(object):
                     #step_data[1, ...] = data[:, :, 0]
                     #step_data[2, ...] = data[:, :, 0]
                     #data = step_data
-                dst = numpy.zeros(shape=(self.bob_shape))
-                bob.ip.base.scale(data, dst)
+                #dst = numpy.zeros(shape=(self.bob_shape))
+                #bob.ip.base.scale(data, dst)
 
             return dst
         else:

bob/learn/tensorflow/datashuffler/Normalizer.py

 #!/usr/bin/env python
 # vim: set fileencoding=utf-8 :
 # @author: Tiago de Freitas Pereira <tiago.pereira@idiap.ch>
-# @date: Mon 07 Nov 2016 09:39:36 CET
 
+import numpy
 
 class ScaleFactor(object):
     """
@@ -40,3 +40,16 @@ class Linear(object):
         return x
 
 
+
+class PerImageStandarization(object):
+
+    def __init__(self):
+        pass
+
+    def __call__(self, x):
+    
+        mean = numpy.mean(x)
+        std = numpy.std(x)
+
+        return (x-mean)/max(std, 1/numpy.sqrt(numpy.prod(x.shape)))
+