#!/usr/bin/python
import re
import fileMaker
def wordExtractor(line):
# first lowercase it
line = line.lower()
# next, remove all non [a-z ] characters; [^a-z ] is a regular
# expression for everything except a-z and space.
line = re.sub("[^a-z ]", " ", line)
# split out all words, since word == feature
words = line.split()
# compute the features
feats = {}
for word in words:
if feats.has_key(word):
feats[word] += 1
else:
feats[word] = 1
return feats
if __name__=="__main__":
fileMaker.mainExtractor(wordExtractor)
#!/usr/bin/python
import re
import fileMaker
def pixelExtractor(line):
# get all the pixel values and normalize them to be in [0,1] instead of [0,255]
vals = [ float(v) / 255 for v in line.split() ]
# the layout is row-major, so pixels 0..27 are the first line, 28..55 are the second line and so on
feats = {}
for i in range(len(vals)):
feats["px" + repr(i)] = vals[i]
return feats
if __name__=="__main__":
fileMaker.mainExtractor(pixelExtractor)
#!/usr/bin/python
import re
import fileMaker
def wordExtractor(line):
# first lowercase it
line = line.lower()
# next, remove all non [a-z ] characters; [^a-z ] is a regular
# expression for everything except a-z and space.
line = re.sub("[^a-z ]", " ", line)
# split out all words, since word == feature
words = line.split()
# compute the features
feats = {}
for word in words:
if feats.has_key(word):
feats[word] += 1
else:
feats[word] = 1
return feats
if __name__ == "__main__":
fileMaker.mainExtractor(wordExtractor)
#!/usr/bin/python
import re
import fileMaker
def pixelExtractor(line):
# get all the pixel values and normalize them to be in [0,1] instead of [0,255]
vals = [float(v) / 255 for v in line.split()]
# the layout is row-major, so pixels 0..27 are the first line, 28..55 are the second line and so on
feats = {}
for i in range(len(vals)):
feats["px" + repr(i)] = vals[i]
return feats
if __name__ == "__main__":
fileMaker.mainExtractor(pixelExtractor)
