ift6266: deep/stacked_dae/v_sylvain/sgd_optimization.py comparison

comparison deep/stacked_dae/v_sylvain/sgd_optimization.py @ 361:b599886e3655

Ajout d'une fonctionnalite utile avec le programme voir_erreurs.py afin de voir les exemples ainsi que la prediction du modele donne dans le fichier config.py

author	SylvainPL <sylvain.pannetier.lebeuf@umontreal.ca>
date	Thu, 22 Apr 2010 13:17:19 -0400
parents	cfb79f9fd1a4
children	f24b10e43a6f

comparison

equal deleted inserted replaced

-:f37c0705649d
+:b599886e3655
 iter2 = dataset.train(self.hp.minibatch_size,bufsize=buffersize)
 train_losses2 = [test_model(x,y) for x,y in iter2]
 train_score2 = numpy.mean(train_losses2)
 print "Training error is: " + str(train_score2)
+#To see the prediction of the model, the real answer and the image to judge
+def see_error(self, dataset):
+import pylab
+#The function to know the prediction
+test_model = \
+theano.function(
+[self.classifier.x,self.classifier.y], self.classifier.logLayer.y_pred)
+user = []
+nb_total = 0     #total number of exemples seen
+nb_error = 0   #total number of errors
+for x,y in dataset.test(1):
+nb_total += 1
+pred = self.translate(test_model(x,y))
+rep =  self.translate(y)
+error = pred != rep
+print 'prediction: ' + str(pred) +'\t answer: ' + str(rep) + '\t right: ' + str(not(error))
+pylab.imshow(x.reshape((32,32)))
+pylab.draw()
+if error:
+nb_error += 1
+user.append(int(raw_input("1 = The error is normal, 0 = The error is not normal : ")))
+print '\t\t character is hard to distinguish: ' + str(user[-1])
+else:
+time.sleep(3)
+print '\n Over the '+str(nb_total)+' exemples, there is '+str(nb_error)+' errors. \nThe percentage of errors is'+ str(float(nb_error)/float(nb_total))
+print 'The percentage of errors done by the model that an human will also do: ' + str(numpy.mean(user))
+#To translate the numeric prediction in character if necessary
+def translate(self,y):
+if y <= 9:
+return y[0]
+elif y == 10:
+return 'A'
+elif y == 11:
+return 'B'
+elif y == 12:
+return 'C'
+elif y == 13:
+return 'D'
+elif y == 14:
+return 'E'
+elif y == 15:
+return 'F'
+elif y == 16:
+return 'G'
+elif y == 17:
+return 'H'
+elif y == 18:
+return 'I'
+elif y == 19:
+return 'J'
+elif y == 20:
+return 'K'
+elif y == 21:
+return 'L'
+elif y == 22:
+return 'M'
+elif y == 23:
+return 'N'
+elif y == 24:
+return 'O'
+elif y == 25:
+return 'P'
+elif y == 26:
+return 'Q'
+elif y == 27:
+return 'R'
+elif y == 28:
+return 'S'
+elif y == 28:
+return 'T'
+elif y == 30:
+return 'U'
+elif y == 31:
+return 'V'
+elif y == 32:
+return 'W'
+elif y == 33:
+return 'X'
+elif y == 34:
+return 'Y'
+elif y == 35:
+return 'Z'
+elif y == 36:
+return 'a'
+elif y == 37:
+return 'b'
+elif y == 38:
+return 'c'
+elif y == 39:
+return 'd'
+elif y == 40:
+return 'e'
+elif y == 41:
+return 'f'
+elif y == 42:
+return 'g'
+elif y == 43:
+return 'h'
+elif y == 44:
+return 'i'
+elif y == 45:
+return 'j'
+elif y == 46:
+return 'k'
+elif y == 47:
+return 'l'
+elif y == 48:
+return 'm'
+elif y == 49:
+return 'n'
+elif y == 50:
+return 'o'
+elif y == 51:
+return 'p'
+elif y == 52:
+return 'q'
+elif y == 53:
+return 'r'
+elif y == 54:
+return 's'
+elif y == 55:
+return 't'
+elif y == 56:
+return 'u'
+elif y == 57:
+return 'v'
+elif y == 58:
+return 'w'
+elif y == 59:
+return 'x'
+elif y == 60:
+return 'y'
+elif y == 61:
+return 'z'

Mercurial > ift6266

comparison deep/stacked_dae/v_sylvain/sgd_optimization.py @ 361:b599886e3655