Mercurial > ift6266

annotate transformations/testtransformations.py @ 117:c9d680d9a908

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changed again the variance scaling for Distorsion Gauss, come back to the original
author Xavier Glorot <glorotxa@iro.umontreal.ca>
date Wed, 17 Feb 2010 16:23:54 -0500
parents 291d749452df
children 0d083964af4b
rev   line source
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1 #!/usr/bin/env python
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2
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3
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4
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5 from pylearn.io import filetensor as ft
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6 import copy
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7 import pygame
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8 import time
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9 import numpy as N
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10
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11 from ttf2jpg import ttf2jpg
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12
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13 #from gimpfu import *
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14
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15
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16 from PoivreSel import PoivreSel
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17 from thick import Thick
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18 from BruitGauss import BruitGauss
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19 from DistorsionGauss import DistorsionGauss
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20 from PermutPixel import PermutPixel
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21 from gimp_script import GIMP1
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22 from Rature import Rature
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23 from contrast import Contrast
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24 from local_elastic_distortions import LocalElasticDistorter
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25 from slant import Slant
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26 from Occlusion import Occlusion
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27 from add_background_image import AddBackground
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28 from affine_transform import AffineTransformation
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30 ###---------------------order of transformation module
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31 MODULE_INSTANCES = [Slant(),Thick(),AffineTransformation(),LocalElasticDistorter(),GIMP1(),Rature(),Occlusion(), PermutPixel(),DistorsionGauss(),AddBackground(), PoivreSel(), BruitGauss(), Contrast()]
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32
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33 ###---------------------complexity associated to each of them
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34 complexity = [0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5]
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35 #complexity = [0.5]*len(MODULE_INSTANCES)
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36 #complexity = [0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.]
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37
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38 def createimage(path,d):
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39 for i in range(100):
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40 screen.fill(0)
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41 a=d[i,:]
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42 off1=4*32
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43 off2=0
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44 for u in range(100):
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45 b=N.asarray(N.reshape(a,(32,32)))
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46 c=N.asarray([N.reshape(a*255.0,(32,32))]*3).T
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47 new=pygame.surfarray.make_surface(c)
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48 new=pygame.transform.scale2x(new)
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49 new=pygame.transform.scale2x(new)
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50 #new.set_palette(anglcolorpalette)
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51 screen.blit(new,(0,0))
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52 exemple.blit(new,(0,0))
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53
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54 offset = 4*32
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55 offset2 = 0
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56 ct = 0
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57 for j in MODULE_INSTANCES:
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58 #max dilation
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59 ctmp = N.random.rand()*complexity[ct]
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60 #random
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61 print j.get_settings_names(), j.regenerate_parameters(ctmp)
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62
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63 b=j.transform_image(b)
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64 c=N.asarray([b*255]*3).T
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65 new=pygame.surfarray.make_surface(c)
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66 new=pygame.transform.scale2x(new)
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67 new=pygame.transform.scale2x(new)
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68 if u==0:
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69 #new.set_palette(anglcolorpalette)
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70 screen.blit(new,(offset,offset2))
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71 font = pygame.font.SysFont('liberationserif',18)
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72 text = font.render('%s '%(int(ctmp*100.0)/100.0) + j.__module__,0,(255,255,255),(0,0,0))
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73 screen.blit(text,(offset,offset2+4*32))
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74 if ct == len(MODULE_INSTANCES)/2-1:
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75 offset = 0
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76 offset2 = 4*32+20
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77 else:
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78 offset += 4*32
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79 ct+=1
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80 exemple.blit(new,(off1,off2))
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81 if off1 != 9*4*32:
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82 off1+=4*32
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83 else:
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84 off1=0
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85 off2+=4*32
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86 pygame.image.save(exemple,path+'/perimages/%s.PNG'%i)
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87 pygame.image.save(screen,path+'/exemples/%s.PNG'%i)
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88
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89
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91
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92 nbmodule = len(MODULE_INSTANCES)
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93
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94 pygame.surfarray.use_arraytype('numpy')
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95
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96 #pygame.display.init()
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97 screen = pygame.Surface((4*(nbmodule+1)/2*32,2*(4*32+20)),depth=32)
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98 exemple = pygame.Surface((10*4*32,10*4*32),depth=32)
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99
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100 anglcolorpalette=[(x,x,x) for x in xrange(0,256)]
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101 #pygame.Surface.set_palette(anglcolorpalette)
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102 #screen.set_palette(anglcolorpalette)
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103
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104 pygame.font.init()
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105
113
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106 d = N.zeros((100,1024))
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107
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108 from Facade import *
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109
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110 for i in range(100):
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111 d[i,:]=N.asarray(N.reshape(generateCaptcha(0,0),(1,1024))/255.0,dtype='float32')
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112
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113 createimage('/u/glorotxa/transf/capcha',d)
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114
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115
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116 for i in range(100):
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117 myttf2jpg = ttf2jpg()
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118 d[i,:]=N.reshape(myttf2jpg.generate_image(),(1,1024))
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119 createimage('/u/glorotxa/transf/fonts',d)
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120
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121
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122
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123 datapath = '/data/lisa/data/nist/by_class/'
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124 f = open(datapath+'lower/lower_train_data.ft')
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125 d = ft.read(f)
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126 d = d[0:100,:]/255.0
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127 createimage('/u/glorotxa/transf/NIST_lower',d)
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128
291d749452df testtransformation.py to source from all the available data
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129 datapath = '/data/lisa/data/nist/by_class/'
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130 f = open(datapath+'upper/upper_train_data.ft')
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131 d = ft.read(f)
291d749452df testtransformation.py to source from all the available data
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132 d = d[0:100,:]/255.0
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133 createimage('/u/glorotxa/transf/NIST_upper',d)
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134
291d749452df testtransformation.py to source from all the available data
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135 datapath = '/data/lisa/data/nist/by_class/'
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136 f = open(datapath+'digits_reshuffled/digits_reshuffled_train_data.ft')
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137 d = ft.read(f)
291d749452df testtransformation.py to source from all the available data
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parents: 97
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138 d = d[0:100,:]/255.0
291d749452df testtransformation.py to source from all the available data
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parents: 97
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139 createimage('/u/glorotxa/transf/NIST_digits',d)
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parents: 97
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140
291d749452df testtransformation.py to source from all the available data
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parents: 97
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141 datapath = '/data/lisa/data/ocr_breuel/filetensor/unlv-corrected-2010-02-01-shuffled.ft/'
291d749452df testtransformation.py to source from all the available data
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parents: 97
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142 f = open(datapath)
291d749452df testtransformation.py to source from all the available data
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 97
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143 d = ft.read(f)
291d749452df testtransformation.py to source from all the available data
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parents: 97
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144 d = d[0:100,:]/255.0
291d749452df testtransformation.py to source from all the available data
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parents: 97
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145 createimage('/u/glorotxa/transf/OCR',d)
291d749452df testtransformation.py to source from all the available data
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parents: 97
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146
291d749452df testtransformation.py to source from all the available data
Xavier Glorot <glorotxa@iro.umontreal.ca>
parents: 97
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147
291d749452df testtransformation.py to source from all the available data
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148
291d749452df testtransformation.py to source from all the available data
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149
57
6846136b2201 Add a simple test script to see transformation step by step
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150
84
104e0b8a1c70 testtransformation now work with all the transformations and save image files (.PNG) to a hard coded path
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parents: 80
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151 #pygame.display.quit()