python-pillowHow to find image edges
from PIL import Image, ImageFilter
im = Image.open('/var/www/examples/heroine.png')
im = im.convert("L")
im = im.filter(ImageFilter.FIND_EDGES)
im.show()ctrl + cPILimport Pillow package modules | Image.openopen given image with Pillow |
.convert("L")convert image to grayscale to prepare it for edge detection | .filter(apply given filter to an image |
ImageFilter.FIND_EDGESthis filter highlights edges of an image and removed everything else | .show()displays resulting image |
Usage example
from PIL import Image, ImageFilter
im = Image.open('/var/www/examples/heroine.png')
im = im.convert("L")
im = im.filter(ImageFilter.FIND_EDGES)
im.show()