Mercurial > ift6266

annotate data_generation/transformations/thick.py @ 387:44094ff28ed1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Ajout d'une option finetune amelioree pour PNIST07
author SylvainPL <sylvain.pannetier.lebeuf@umontreal.ca>
date Tue, 27 Apr 2010 08:41:58 -0400
parents 1f5937e9e530
children
rev   line source
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
1 #!/usr/bin/python
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
2 # coding: utf-8
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
3
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
4 '''
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
5 Simple implementation of random thickness deformation using morphological
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
6 operation of scipy.
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
7 Only one morphological operation applied (dilation or erosion), the kernel is random
14
ebf61603489b Added different image format handling (minibatches,32*32,lines of 1024...) and some commentaries
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 13
diff changeset
8 out of a list of 12 symmetric kernels. (only 5 to be chosen for erosion because it can
ebf61603489b Added different image format handling (minibatches,32*32,lines of 1024...) and some commentaries
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 13
diff changeset
9 hurt the recognizability of the charater and 12 for dilation).
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
10
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
11 Author: Xavier Glorot
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
12
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
13 '''
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
14
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
15 import scipy.ndimage.morphology
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
16 import numpy as N
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
17
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
18
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
19 class Thick():
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
20 def __init__(self,complexity = 1):
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
21 #---------- private attributes
14
ebf61603489b Added different image format handling (minibatches,32*32,lines of 1024...) and some commentaries
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 13
diff changeset
22 self.__nx__ = 32 #xdim of the images
ebf61603489b Added different image format handling (minibatches,32*32,lines of 1024...) and some commentaries
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 13
diff changeset
23 self.__ny__ = 32 #ydim of the images
120
5e00ed18ae32 changed some transformation paramters to better fit with visualization
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 26
diff changeset
24 self.__erodemax__ = 5 #nb of index max of erode structuring elements
23
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
25 self.__dilatemax__ = 9 #nb of index max of dilation structuring elements
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
26 self.__structuring_elements__ = [N.asarray([[1,1]]),N.asarray([[1],[1]]),\
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
27 N.asarray([[1,1],[1,1]]),N.asarray([[0,1,0],[1,1,1],[0,1,0]]),\
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
28 N.asarray([[1,1,1],[1,1,1]]),N.asarray([[1,1],[1,1],[1,1]]),\
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
29 N.asarray([[1,1,1],[1,1,1],[1,1,1]]),\
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
30 N.asarray([[1,1,1,1],[1,1,1,1],[1,1,1,1]]),\
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
31 N.asarray([[1,1,1],[1,1,1],[1,1,1],[1,1,1]]),\
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
32 N.asarray([[0,0,1,0,0],[0,1,1,1,0],[1,1,1,1,1],[0,1,1,1,0],[0,0,1,0,0]]),\
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
33 N.asarray([[1,1,1,1],[1,1,1,1]]),N.asarray([[1,1],[1,1],[1,1],[1,1]])]
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
34 #------------------------------------------------
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
35
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
36 #---------- generation parameters
13
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
37 self.regenerate_parameters(complexity)
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
38 #------------------------------------------------
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
39
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
40 def _get_current_parameters(self):
19
db10ee2a07fb merged 2 thick parameter in one
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 17
diff changeset
41 return [self.thick_param]
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
42
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
43 def get_settings_names(self):
19
db10ee2a07fb merged 2 thick parameter in one
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 17
diff changeset
44 return ['thick_param']
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
45
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
46 def regenerate_parameters(self, complexity):
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
47 self.erodenb = N.ceil(complexity * self.__erodemax__)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
48 self.dilatenb = N.ceil(complexity * self.__dilatemax__)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
49 self.Perode = self.erodenb / (self.dilatenb + self.erodenb + 1.0)
23
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
50 self.Pdilate = self.dilatenb / (self.dilatenb + self.erodenb + 1.0)
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
51 assert (self.Perode + self.Pdilate <= 1) & (self.Perode + self.Pdilate >= 0)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
52 assert (complexity >= 0) & (complexity <= 1)
13
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
53 P = N.random.uniform()
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
54 if P>1-(self.Pdilate+self.Perode):
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
55 if P>1-(self.Pdilate+self.Perode)+self.Perode:
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
56 self.meth = 1
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
57 self.nb=N.random.randint(self.dilatenb)
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
58 else:
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
59 self.meth = -1
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
60 self.nb=N.random.randint(self.erodenb)
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
61 else:
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
62 self.meth = 0
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
63 self.nb = -1
19
db10ee2a07fb merged 2 thick parameter in one
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 17
diff changeset
64 self.thick_param = self.meth*self.nb
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
65 return self._get_current_parameters()
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
66
14
ebf61603489b Added different image format handling (minibatches,32*32,lines of 1024...) and some commentaries
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 13
diff changeset
67 def transform_1_image(self,image): #the real transformation method
13
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
68 if self.meth!=0:
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
69 maxi = float(N.max(image))
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
70 mini = float(N.min(image))
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
71
26
47e7202d4f19 Array format handling bug fix for thick.py
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 23
diff changeset
72 imagenorm=image/maxi
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
73
13
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
74 if self.meth==1:
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
75 trans=scipy.ndimage.morphology.grey_dilation\
26
47e7202d4f19 Array format handling bug fix for thick.py
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 23
diff changeset
76 (imagenorm,size=self.__structuring_elements__[self.nb].shape,structure=self.__structuring_elements__[self.nb])
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
77 else:
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
78 trans=scipy.ndimage.morphology.grey_erosion\
26
47e7202d4f19 Array format handling bug fix for thick.py
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 23
diff changeset
79 (imagenorm,size=self.__structuring_elements__[self.nb].shape,structure=self.__structuring_elements__[self.nb])
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
80
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
81 #------renormalizing
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
82 maxit = N.max(trans)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
83 minit = N.min(trans)
17
c91d9f70206d Changed a call to numpy without having imported it as numpy
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 14
diff changeset
84 trans= N.asarray((trans - (minit+mini)) / (maxit - (minit+mini)) * maxi,dtype=image.dtype)
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
85 #--------
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
86 return trans
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
87 else:
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
88 return image
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
89
14
ebf61603489b Added different image format handling (minibatches,32*32,lines of 1024...) and some commentaries
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 13
diff changeset
90 def transform_image(self,image): #handling different format
ebf61603489b Added different image format handling (minibatches,32*32,lines of 1024...) and some commentaries
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 13
diff changeset
91 if image.shape == (self.__nx__,self.__ny__):
ebf61603489b Added different image format handling (minibatches,32*32,lines of 1024...) and some commentaries
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 13
diff changeset
92 return self.transform_1_image(image)
ebf61603489b Added different image format handling (minibatches,32*32,lines of 1024...) and some commentaries
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 13
diff changeset
93 if image.ndim == 3:
26
47e7202d4f19 Array format handling bug fix for thick.py
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 23
diff changeset
94 newimage = copy.copy(image)
14
ebf61603489b Added different image format handling (minibatches,32*32,lines of 1024...) and some commentaries
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 13
diff changeset
95 for i in range(image.shape[0]):
26
47e7202d4f19 Array format handling bug fix for thick.py
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 23
diff changeset
96 newimage[i,:,:] = self.transform_1_image(image[i,:,:])
47e7202d4f19 Array format handling bug fix for thick.py
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 23
diff changeset
97 return newimage
14
ebf61603489b Added different image format handling (minibatches,32*32,lines of 1024...) and some commentaries
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 13
diff changeset
98 if image.ndim == 2 and image.shape != (self.__nx__,self.__ny__):
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
99 newimage = N.reshape(image,(image.shape[0],self.__nx__,self.__ny__))
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
100 for i in range(image.shape[0]):
13
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
101 newimage[i,:,:] = self.transform_1_image(newimage[i,:,:])
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
102 return N.reshape(newimage,image.shape)
14
ebf61603489b Added different image format handling (minibatches,32*32,lines of 1024...) and some commentaries
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 13
diff changeset
103 if image.ndim == 1:
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
104 newimage = N.reshape(image,(self.__nx__,self.__ny__))
13
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
105 newimage = self.transform_1_image(newimage)
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
106 return N.reshape(newimage,image.shape)
14
ebf61603489b Added different image format handling (minibatches,32*32,lines of 1024...) and some commentaries
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 13
diff changeset
107 assert False #should never go there
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
108
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
109
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
110
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
111
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
112 #test on NIST (you need pylearn and access to NIST to do that)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
113
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
114 if __name__ == '__main__':
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
115
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
116 from pylearn.io import filetensor as ft
17
c91d9f70206d Changed a call to numpy without having imported it as numpy
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 14
diff changeset
117 import copy
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
118 import pygame
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
119 import time
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
120 datapath = '/data/lisa/data/nist/by_class/'
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
121 f = open(datapath+'digits/digits_train_data.ft')
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
122 d = ft.read(f)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
123
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
124 pygame.surfarray.use_arraytype('numpy')
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
125
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
126 pygame.display.init()
23
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
127 screen = pygame.display.set_mode((8*4*32,8*32),0,8)
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
128 anglcolorpalette=[(x,x,x) for x in xrange(0,256)]
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
129 screen.set_palette(anglcolorpalette)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
130
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
131 MyThick = Thick()
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
132
23
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
133 #debut=time.time()
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
134 #MyThick.transform_image(d)
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
135 #fin=time.time()
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
136 #print '------------------------------------------------'
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
137 #print d.shape[0],' images transformed in :', fin-debut, ' seconds'
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
138 #print '------------------------------------------------'
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
139 #print (fin-debut)/d.shape[0]*1000000,' microseconds per image'
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
140 #print '------------------------------------------------'
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
141 #print MyThick.get_settings_names()
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
142 #print MyThick._get_current_parameters()
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
143 #print MyThick.regenerate_parameters(0)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
144 #print MyThick.regenerate_parameters(0.5)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
145 #print MyThick.regenerate_parameters(1)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
146 for i in range(10000):
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
147 a=d[i,:]
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
148 b=N.asarray(N.reshape(a,(32,32))).T
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
149
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
150 new=pygame.surfarray.make_surface(b)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
151 new=pygame.transform.scale2x(new)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
152 new=pygame.transform.scale2x(new)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
153 new=pygame.transform.scale2x(new)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
154 new.set_palette(anglcolorpalette)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
155 screen.blit(new,(0,0))
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
156
23
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
157 #max dilation
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
158 MyThick.meth=1
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
159 MyThick.nb=MyThick.__dilatemax__
13
a25474d4d34f Changed parameter generation in order to fit with the new specificities
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 11
diff changeset
160 c=MyThick.transform_image(a)
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
161 b=N.asarray(N.reshape(c,(32,32))).T
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
162
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
163 new=pygame.surfarray.make_surface(b)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
164 new=pygame.transform.scale2x(new)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
165 new=pygame.transform.scale2x(new)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
166 new=pygame.transform.scale2x(new)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
167 new.set_palette(anglcolorpalette)
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
168 screen.blit(new,(8*32,0))
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
169
23
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
170 #max erosion
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
171 MyThick.meth=-1
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
172 MyThick.nb=MyThick.__erodemax__
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
173 c=MyThick.transform_image(a)
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
174 b=N.asarray(N.reshape(c,(32,32))).T
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
175
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
176 new=pygame.surfarray.make_surface(b)
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
177 new=pygame.transform.scale2x(new)
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
178 new=pygame.transform.scale2x(new)
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
179 new=pygame.transform.scale2x(new)
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
180 new.set_palette(anglcolorpalette)
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
181 screen.blit(new,(8*2*32,0))
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
182
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
183 #random
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
184 print MyThick.get_settings_names(), MyThick.regenerate_parameters(1)
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
185 c=MyThick.transform_image(a)
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
186 b=N.asarray(N.reshape(c,(32,32))).T
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
187
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
188 new=pygame.surfarray.make_surface(b)
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
189 new=pygame.transform.scale2x(new)
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
190 new=pygame.transform.scale2x(new)
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
191 new=pygame.transform.scale2x(new)
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
192 new.set_palette(anglcolorpalette)
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
193 screen.blit(new,(8*3*32,0))
442789c94b27 Changed thick maximum erosion and dilation transformations
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 19
diff changeset
194
11
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
195 pygame.display.update()
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
196 raw_input('Press Enter')
dbc806d025a2 Added a thick.py script defining a Thick class transforming randomly the thickness of the characters
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents:
diff changeset
197
17
c91d9f70206d Changed a call to numpy without having imported it as numpy
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 14
diff changeset
198 pygame.display.quit()