Mercurial > ift6266

annotate transformations/testtransformations.py @ 61:cc4be6b25b8e

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Data iterator alternating between NIST/font/captcha, removed the use of batches, keep track of labels (Not fully done yet)
author boulanni <nicolas_boulanger@hotmail.com>
date Mon, 08 Feb 2010 23:45:17 -0500
parents 6846136b2201
children 4407ab3f7805
rev   line source
57
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1 #!/usr/bin/env python
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2
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3
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4 from pylearn.io import filetensor as ft
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5 import copy
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6 import pygame
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7 import time
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8 import numpy as N
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9
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10 #from gimpfu import *
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11
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12
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13 from PoivreSel import PoivreSel
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14 from thick import Thick
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15 from BruitGauss import BruitGauss
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16 from DistorsionGauss import DistorsionGauss
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17 from PermutPixel import PermutPixel
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18 #from gimp_script import GIMPTransformation
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19 from Rature import Rature
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20 from contrast import Contrast
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21 from local_elastic_distortions import LocalElasticDistorter
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22 from slant import Slant
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23 #from Occlusion import Occlusion
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24 from add_background_image import AddBackground
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25 from affine_transform import AffineTransformation
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26
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27 ###---------------------order of transformation module
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28 MODULE_INSTANCES = [Thick(),Slant(),AffineTransformation(), LocalElasticDistorter(), PermutPixel(), Rature(), BruitGauss(),PoivreSel(), Contrast()]
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29
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30 ###---------------------complexity associated to each of them
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31 complexity = [0.6,0.7,0.5,0.4,0.1,0.5,0.03,0.03,0.5]
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32
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33
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34 nbmodule = len(MODULE_INSTANCES)
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35
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36 datapath = '/data/lisa/data/nist/by_class/'
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37 f = open(datapath+'lower/lower_train_data.ft')
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38 d = ft.read(f)
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39
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40 d = d[0:1000,:]/255.0
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41
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42 pygame.surfarray.use_arraytype('numpy')
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43
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44 pygame.display.init()
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45 screen = pygame.display.set_mode((4*(nbmodule+1)*32,4*32+20),0,8)
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46 anglcolorpalette=[(x,x,x) for x in xrange(0,256)]
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47 screen.set_palette(anglcolorpalette)
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48
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49 pygame.font.init()
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50
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51 for i in range(10000):
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52 a=d[i,:]
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53 b=N.asarray(N.reshape(a,(32,32)))
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54 c=N.asarray(N.reshape(a*255.0,(32,32))).T
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55 new=pygame.surfarray.make_surface(c)
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56 new=pygame.transform.scale2x(new)
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57 new=pygame.transform.scale2x(new)
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58 new.set_palette(anglcolorpalette)
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59 screen.blit(new,(0,0))
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60
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61 offset = 4*32
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62 ct = 0
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63 for j in MODULE_INSTANCES:
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64 #max dilation
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65
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66 #random
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67 print j.get_settings_names(), j.regenerate_parameters(complexity[ct])
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68
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69 b=j.transform_image(b)
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70 c=N.asarray(b*255).T
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71
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72 new=pygame.surfarray.make_surface(c)
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73 new=pygame.transform.scale2x(new)
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74 new=pygame.transform.scale2x(new)
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75 new.set_palette(anglcolorpalette)
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76 screen.blit(new,(offset,0))
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77 font = pygame.font.SysFont('liberationserif',18)
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78 text = font.render(j.__module__,0,(255,255,255),(0,0,0))
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79 screen.blit(text,(offset,4*32))
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80 offset += 4*32
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81 ct+=1
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82 pygame.display.update()
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83 raw_input('Press Enter')
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84
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85 pygame.display.quit()