"""

Local Otsu Threshold in python

Rudra Poudel

"""

__docformat__ = 'restructedtext en'

from skimage.morphology import disk

from skimage.filters import threshold_otsu, rank

def otsuThreshold(img):

return global_otsu.astype(int)

def otsuThresholdLocal(img, radius = 15):

return local_otsu.astype(int)

if __name__ == '__main__':

# -------------------------------------------

import scipy, numpy

from PIL import Image

img = Image.open('image/house.jpg')

img = numpy.asarray(img)

print(numpy.min(img))

print(numpy.max(img))

print(img.dtype)

log = 'log/'

gray = otsuThresholdLocal(img.copy())

gray = scipy.misc.toimage(gray, cmin = 0, cmax = 1)

gray.save(log + 'otsu_local_out_py.png')

gray = otsuThreshold(img.copy())

gray = scipy.misc.toimage(gray, cmin = 0, cmax = 1)

gray.save(log + 'otsu_out_py.png')

# -------------------------------------------