X-Git-Url: https://www.fleuret.org/cgi-bin/gitweb/gitweb.cgi?p=pytorch.git;a=blobdiff_plain;f=mi_estimator.py;h=02e9db9c52280850ce24990fcaa5a738631a6b57;hp=f8b859dd6fc07dc69f2b8fecfa2c30f4d1eeace3;hb=b0e213a468726f721990fdbe0837cc6cdce10427;hpb=236238fdfe7d65612b58fbbb5bb29cff4ec45d54
diff --git a/mi_estimator.py b/mi_estimator.py
index f8b859d..02e9db9 100755
--- a/mi_estimator.py
+++ b/mi_estimator.py
@@ -13,7 +13,8 @@
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see . #
# #
-# Written by and Copyright (C) Francois Fleuret #
+# Written by Francois Fleuret, (C) Idiap Research Institute #
+# #
# Contact for comments & bug reports #
#########################################################################
@@ -38,19 +39,20 @@ else:
parser = argparse.ArgumentParser(
description = '''An implementation of a Mutual Information estimator with a deep model
-Three different toy data-sets are implemented:
+ Three different toy data-sets are implemented, each consists of
+ pairs of samples, that may be from different spaces:
- (1) Two MNIST images of same class. The "true" MI is the log of the
- number of used MNIST classes.
+ (1) Two MNIST images of same class. The "true" MI is the log of the
+ number of used MNIST classes.
- (2) One MNIST image and a pair of real numbers whose difference is
- the class of the image. The "true" MI is the log of the number of
- used MNIST classes.
+ (2) One MNIST image and a pair of real numbers whose difference is
+ the class of the image. The "true" MI is the log of the number of
+ used MNIST classes.
- (3) Two 1d sequences, the first with a single peak, the second with
- two peaks, and the height of the peak in the first is the
- difference of timing of the peaks in the second. The "true" MI is
- the log of the number of possible peak heights.''',
+ (3) Two 1d sequences, the first with a single peak, the second with
+ two peaks, and the height of the peak in the first is the
+ difference of timing of the peaks in the second. The "true" MI is
+ the log of the number of possible peak heights.''',
formatter_class = argparse.ArgumentDefaultsHelpFormatter
)
@@ -197,6 +199,8 @@ def create_image_values_pairs(train = False):
######################################################################
+#
+
def create_sequences_pairs(train = False):
nb, length = 10000, 1024
noise_level = 2e-2
@@ -229,9 +233,6 @@ def create_sequences_pairs(train = False):
noise = b.new(b.size()).normal_(0, noise_level)
b = b + noise
- # a = (a - a.mean()) / a.std()
- # b = (b - b.mean()) / b.std()
-
return a, b, ha
######################################################################