def iathick(f, Iab=None, n=-1, theta=45, DIRECTION="CLOCKWISE"):
from iaisbinary import iaisbinary
from iaintersec import iaintersec
from iasupgen import iasupgen
from iainterot import iainterot
from iaunion import iaunion
from iaisequal import iaisequal
from iahomothick import iahomothick
if Iab is None:
Iab = iahomothick()
DIRECTION = upper(DIRECTION)
assert iaisbinary(f), 'f must be binary image'
if n == -1: n = product(f.shape)
y = f
zero = iaintersec(f, 0)
for i in range(n):
aux = zero
for t in range(0, 360, theta):
sup = iasupgen(y, iainterot(Iab, t, DIRECTION))
aux = iaunion(aux, sup)
y = iaunion(y, sup)
if iaisequal(aux, zero): break
return y
def iathick(f, Iab=None, n=-1, theta=45, DIRECTION="CLOCKWISE"):
from iaisbinary import iaisbinary
from iaintersec import iaintersec
from iasupgen import iasupgen
from iainterot import iainterot
from iaunion import iaunion
from iaisequal import iaisequal
from iahomothick import iahomothick
if Iab is None:
Iab = iahomothick()
DIRECTION = upper(DIRECTION)
assert iaisbinary(f),'f must be binary image'
if n == -1: n = product(f.shape)
y = f
zero = iaintersec(f,0)
for i in range(n):
aux = zero
for t in range(0,360,theta):
sup = iasupgen( y, iainterot(Iab, t, DIRECTION))
aux = iaunion( aux, sup)
y = iaunion( y, sup)
if iaisequal(aux,zero): break
return y
def iasupcanon(f, Iab, theta=45, DIRECTION="CLOCKWISE"):
from iaintersec import iaintersec
from iainterot import iainterot
from iaunion import iaunion
from iasupgen import iasupgen
DIRECTION = upper(DIRECTION)
y = iaintersec(f, 0)
for t in range(0, 360, theta):
Irot = iainterot(Iab, t, DIRECTION)
y = iaunion(y, iasupgen(f, Irot))
return y
def iasupcanon(f, Iab, theta=45, DIRECTION="CLOCKWISE"):
from iaintersec import iaintersec
from iainterot import iainterot
from iaunion import iaunion
from iasupgen import iasupgen
DIRECTION = upper(DIRECTION)
y = iaintersec(f,0)
for t in range(0,360,theta):
Irot = iainterot( Iab, t, DIRECTION )
y = iaunion( y, iasupgen(f, Irot))
return y
def iacthin(f, g, Iab=None, n=-1, theta=45, DIRECTION="CLOCKWISE"):
from iaisbinary import iaisbinary
from iasupgen import iasupgen
from iainterot import iainterot
from iaunion import iaunion
from iasubm import iasubm
from iaisequal import iaisequal
from iahomothin import iahomothin
if Iab is None:
Iab = iahomothin()
DIRECTION = upper(DIRECTION)
assert iaisbinary(f),'f must be binary image'
if n == -1: n = product(f.shape)
y = f
old = y
for i in range(n):
for t in range(0,360,theta):
sup = iasupgen( y, iainterot(Iab, t, DIRECTION))
y = iaunion( iasubm( y, sup),g)
if iaisequal(old,y): break
old = y
return y
