if __name__ == '__main__':
# from sys import argv
# if len(argv) < 2:
# print("Usage: python %s <image>" % argv[0])
# exit()
im_path = '/tfshare/PycharmProjects/canny/valve.png'
im = array(Image.open(im_path))
subplot(1, 2, 1)
imshow(im)
axis('off')
title('Original')
im = im[:, :, 0]
gim = gaussian(im)
grim, gphase = gradient(gim)
gmax = maximum(grim, gphase)
thres = thresholding(gmax)
edge = tracking(thres)
gray()
# subplot(1, 2, 1)
# imshow()
# axis('off')
# title('double')
subplot(1, 2, 2)
imshow(edge.im)
axis('off')
title('Edges')
show()
thres[i][j] = strong
strongs.append((i, j))
elif px >= lo:
thres[i][j] = weak
return thres, strongs
if __name__ == '__main__':
from sys import argv
if len(argv) < 2:
print "Usage: python %s <image>" % argv[0]
exit()
im = array(Image.open(argv[1]))
im = im[:, :, 0]
gim = gaussian(im)
grim, gphase = gradient(gim)
gmax = maximum(grim, gphase)
thres = thresholding(gmax)
gray()
subplot(1, 2, 1)
imshow(im)
axis('off')
title('Original')
subplot(1, 2, 2)
imshow(thres[0])
axis('off')
title('Double thresholding')
show()