Count stars on a photo using python

count_stars

import numpy as np
import pylab
import mahotas as mh
from skimage import measure
sky=mh.imread('sky.jpeg')
pylab.imshow(sky)
t=mh.thresholding.otsu(sky.astype('uint8'))
labeled,stars=mh.label(sky>t)
print stars
pylab.imshow(labeled)
pylab.jet()
pylab.show()

would you mind explaining it a bit ?

google an image of sky at night, using libraries in this script, you can count the number of starts in the image.

hey! I got that. I even tried and it works fine. Was asking about the code tho. Could you explain the lines of code?

It has been a long time, I don't remember line by line, but what it does this; it reads the image in terms of colour density,then based on a threshold you would define, it will count the areas which are brighter than the rest of image, so every dot in your image depending on the threshold in terms of size will be counted.

Thanks, mate! stay blessed.