hofig2s13
Illustration of the opening property of Eq. 2.16

from morph import *

from handson import *

from Numeric import shape, ones

a=mmedgeoff(mmreadgray('blob.tif'))

b=mmsedisk(13)

d=mmseunion(mmsedil(b,mmseline(12)),mmsedil(b,mmseline(12,180)))

mmshow(mmseshow(b))

mmshow(mmseshow(d))

fig_a=a

fig_d=mmunion(mmgray(mmopen(a,b)),mmgray(mmgradm(a),'uint8',100))

fig_e=mmunion(mmgray(mmopen(a,d)),mmgray(mmgradm(mmopen(a,b)),'uint8',100))

mmshow(fig_a)

mmshow(fig_d)

mmshow(fig_e)

fig_f=a

fig_g=mmunion(mmgray(mmopen(a,d)),mmgray(mmgradm(a),'uint8',100))

fig_h=mmopen(a,d)

mmshow(fig_f)

mmshow(fig_g)

mmshow(fig_h)