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test_img_from_gp_5x5_denoise.py
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test_img_from_gp_5x5_denoise.py
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'''
Create image from GP output.
copy and paste the string representation of the output.
IMPORTANT: terminal set and operators defined here must be the same as the ones used during training.
QUESTO FILE E' UNO STUB: MODIFICARLO A PIACERE
'''
import operator, random, sys, multiprocessing, numpy, pickle, os, math
from deap import algorithms
from deap import base
from deap import creator
from deap import tools
from deap import gp
from PIL import Image
import pygraphviz as pgv
#import pickle, sys
SIZE = 128 #dimensione lato immagine
#LOAD DATASET
if len(sys.argv) != 5:
print (" USAGE: python create_img_from_gp.py checkpoint_name.pkl path_destination image_to_apply")
print (" ex: python create_img_from_gp.py GRIGIO_2016121_1426/GRIGIO_best.pkl Destination/folder ")
sys.exit()
with open(sys.argv[1], "rb") as cp_file:
cp = pickle.load(cp_file)
BEST = cp["best"]
time = cp["time"]
datanoise = numpy.loadtxt(sys.argv[3])
OUTIMAGE = sys.argv[4] + ".bmp"
OUTPDF = sys.argv[4] + ".pdf"
# TODO Define functions
#ATTENZIONE: IL PRIMITIVESET DEVE ESSERE IDENTICO ALLA FASE DI TRAINING
def safeadd(a,b):
try:
s = a + b
except:
return 0
if s >= 255:
s =255
return s
def safesub(a, b):
try:
s = a - b
except:
return 0
if s < 0:
s = 0
return s
def safemul(a, b):
try:
s = a * b
except:
return 0
if s < 0:
s = 0
if s > 255:
s = 255
return s
def safediv(a, b):
if b == 0:
return 0
try:
s = a / b
except:
return 0
if s <= -255:
return -255
if s >= 255:
return 255
def avg2(a, b):
try:
return (a + b) / 2
except:
return 0
def avg3(a, b, c):
try:
return (a + b + c) / 3
except:
return 0
pset = gp.PrimitiveSet("MAIN",25)
pset.addPrimitive(safeadd,2)
pset.addPrimitive(safesub,2)
pset.addPrimitive(safemul,2)
pset.addPrimitive(safediv,2)
pset.addPrimitive(avg2,2)
pset.addPrimitive(avg3,3)
pset.renameArguments(ARG0='x0y0')
pset.renameArguments(ARG1='x0y')
pset.renameArguments(ARG2='x0y1')
pset.renameArguments(ARG3='x0y2')
pset.renameArguments(ARG4='x0y3')
pset.renameArguments(ARG5='xy0')
pset.renameArguments(ARG6='xy')
pset.renameArguments(ARG7='xy1')
pset.renameArguments(ARG8='xy2')
pset.renameArguments(ARG9='xy3')
pset.renameArguments(ARG10='x1y0')
pset.renameArguments(ARG11='x1y')
pset.renameArguments(ARG12='x1y1')
pset.renameArguments(ARG13='x1y2')
pset.renameArguments(ARG14='x1y3')
pset.renameArguments(ARG15='x2y0')
pset.renameArguments(ARG16='x2y')
pset.renameArguments(ARG17='x2y1')
pset.renameArguments(ARG18='x2y2')
pset.renameArguments(ARG19='x2y3')
pset.renameArguments(ARG20='x3y0')
pset.renameArguments(ARG21='x3y')
pset.renameArguments(ARG22='x3y1')
pset.renameArguments(ARG23='x3y2')
pset.renameArguments(ARG24='x3y3')
pset.addEphemeralConstant('rand30', lambda: random.randint(1,30))
pset.addEphemeralConstant('rand01', lambda: random.randint(0,1))
pset.addEphemeralConstant('rand255', lambda: random.randint(0,255))
#crea oggetto a partire da rappresentazione da stringa
besttree= gp.PrimitiveTree.from_string(BEST, pset)
func = gp.compile(besttree,pset)
#create a new image with the input image
points=[(y,x) for y in range(1,SIZE-2) for x in range(1,SIZE-2)]
newimg = numpy.zeros((SIZE,SIZE),dtype=int)
for p in points:
newimg[p] = func( datanoise[p[0]-2,p[1]-2],
datanoise[p[0]-2,p[1]-1],
datanoise[p[0]-2,p[1]],
datanoise[p[0]-2,p[1]+1],
datanoise[p[0]-2,p[0]+2],
datanoise[p[0]-1,p[1]-2],
datanoise[p[0]-1,p[1]-1],
datanoise[p[0]-1,p[1]],
datanoise[p[0]-1,p[1]+1],
datanoise[p[0]-1,p[1]+2],
datanoise[p[0],p[1]-2],
datanoise[p[0],p[1]-1],
datanoise[p],
datanoise[p[0],p[1]+1],
datanoise[p[0],p[1]+2],
datanoise[p[0]+1,p[1]-2],
datanoise[p[0]+1,p[1]-1],
datanoise[p[0]+1,p[1]],
datanoise[p[0]+1,p[1]+1],
datanoise[p[0]+1,p[1]+2],
datanoise[p[0]+2,p[1]-2],
datanoise[p[0]+2,p[1]-1],
datanoise[p[0]+2,p[1]],
datanoise[p[0]+2,p[1]+1],
datanoise[p[0]+2,p[1]+2] )
#save
print ("saving result image ", OUTIMAGE, "...")
img_noise = Image.fromarray(numpy.uint8(newimg))
img_noise.save(OUTIMAGE)
# PLOTTING
best_tree= gp.PrimitiveTree.from_string(BEST,pset)
nodes, edges, labels = gp.graph(best_tree)
#save pdf
g = pgv.AGraph()
g.add_nodes_from(nodes)
g.add_edges_from(edges)
g.layout(prog="dot")
for i in nodes:
n = g.get_node(i)
n.attr["label"] = labels[i]
g.draw(OUTPDF)