view transformations/testtransformations.py @ 75:9e5463ebd044

Diminution de la proba de faire une rature, c'est 15% maintenant
author SylvainPL <sylvain.pannetier.lebeuf@umontreal.ca>
date Wed, 10 Feb 2010 14:12:34 -0500
parents 6846136b2201
children 4407ab3f7805
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#!/usr/bin/env python


from pylearn.io import filetensor as ft
import copy
import pygame
import time
import numpy as N

#from gimpfu import *


from PoivreSel import PoivreSel
from thick import Thick
from BruitGauss import BruitGauss
from DistorsionGauss import DistorsionGauss
from PermutPixel import PermutPixel
#from gimp_script import GIMPTransformation
from Rature import Rature
from contrast import Contrast
from local_elastic_distortions import LocalElasticDistorter
from slant import Slant
#from Occlusion import Occlusion
from add_background_image import AddBackground
from affine_transform import AffineTransformation

###---------------------order of transformation module
MODULE_INSTANCES = [Thick(),Slant(),AffineTransformation(), LocalElasticDistorter(), PermutPixel(), Rature(), BruitGauss(),PoivreSel(), Contrast()]

###---------------------complexity associated to each of them
complexity = [0.6,0.7,0.5,0.4,0.1,0.5,0.03,0.03,0.5]


nbmodule = len(MODULE_INSTANCES)

datapath = '/data/lisa/data/nist/by_class/'
f = open(datapath+'lower/lower_train_data.ft')
d = ft.read(f)

d = d[0:1000,:]/255.0

pygame.surfarray.use_arraytype('numpy')

pygame.display.init()
screen = pygame.display.set_mode((4*(nbmodule+1)*32,4*32+20),0,8)
anglcolorpalette=[(x,x,x) for x in xrange(0,256)]
screen.set_palette(anglcolorpalette)

pygame.font.init()

for i in range(10000):
    a=d[i,:]
    b=N.asarray(N.reshape(a,(32,32)))
    c=N.asarray(N.reshape(a*255.0,(32,32))).T
    new=pygame.surfarray.make_surface(c)
    new=pygame.transform.scale2x(new)
    new=pygame.transform.scale2x(new)
    new.set_palette(anglcolorpalette)
    screen.blit(new,(0,0))
    
    offset = 4*32
    ct = 0
    for j in MODULE_INSTANCES:
        #max dilation
             
        #random
        print j.get_settings_names(), j.regenerate_parameters(complexity[ct])

        b=j.transform_image(b)
        c=N.asarray(b*255).T
        
        new=pygame.surfarray.make_surface(c)
        new=pygame.transform.scale2x(new)
        new=pygame.transform.scale2x(new)
        new.set_palette(anglcolorpalette)
        screen.blit(new,(offset,0))
        font = pygame.font.SysFont('liberationserif',18)
        text = font.render(j.__module__,0,(255,255,255),(0,0,0))
        screen.blit(text,(offset,4*32))
        offset += 4*32
        ct+=1
    pygame.display.update()
    raw_input('Press Enter')

pygame.display.quit()