def iatoggle(f, f1, f2, OPTION="GRAY"):
from ia870.iabinary import iabinary
from ia870.iasubm import iasubm
from ia870.iagray import iagray
from ia870.iaunion import iaunion
from ia870.iaintersec import iaintersec
from ia870.ianeg import ianeg
y = iabinary(iasubm(f, f1), iasubm(f2, f))
if OPTION.upper() == 'GRAY':
t = iagray(y)
y = iaunion(iaintersec(ianeg(t), f1), iaintersec(t, f2))
return y
def iahmax(f, h=1, Bc=iasecross()):
from ia870.iasubm import iasubm
from ia870.iainfrec import iainfrec
g = iasubm(f, h)
y = iainfrec(g, f, Bc)
return y
def iaedgeoff(f, Bc=iasecross()):
from ia870.iaframe import iaframe
from ia870.iasubm import iasubm
from ia870.iainfrec import iainfrec
edge = iaframe(f)
return iasubm( f, iainfrec(edge, f, Bc))
def iaregmax(f, Bc=iasecross()):
from ia870.iasubm import iasubm
from ia870.iahmax import iahmax
from ia870.iabinary import iabinary
from ia870.iaregmin import iaregmin
from ia870.ianeg import ianeg
y = iasubm(f, iahmax(f, 1, Bc))
return iabinary(y)
def iacloseth(f, b=None):
from ia870.iasubm import iasubm
from ia870.iaclose import iaclose
from ia870.iasecross import iasecross
if b is None:
b = iasecross()
y = iasubm(iaclose(f, b), f)
return y
def iaopenrecth(f, bero=None, bc=None):
from ia870.iasubm import iasubm
from ia870.iaopenrec import iaopenrec
from ia870.iasecross import iasecross
if bero is None:
bero = iasecross()
if bc is None:
bc = iasecross()
y = iasubm(f, iaopenrec( f, bero, bc))
return y
def iaregmin(f, Bc=iasecross(), option="binary"):
from ia870.iahmin import iahmin
from ia870.iaaddm import iaaddm
from ia870.iasubm import iasubm
from ia870.iabinary import iabinary
from ia870.iasuprec import iasuprec
from ia870.iaunion import iaunion
from ia870.iathreshad import iathreshad
if option != "binary":
raise Exception("iaregmin accepts only binary option")
return iabinary(iasubm(iahmin(f,1,Bc), f))
def iacbisector(f, B, n):
from ia870.iaintersec import iaintersec
from ia870.iasesum import iasesum
from ia870.iaero import iaero
from ia870.iacdil import iacdil
from ia870.iasubm import iasubm
from ia870.iaunion import iaunion
y = iaintersec(f, 0)
for i in range(n):
nb = iasesum(B, i)
nbp = iasesum(B, i + 1)
f1 = iaero(f, nbp)
f2 = iacdil(f1, f, B, n)
f3 = iasubm(iaero(f, nb), f2)
y = iaunion(y, f3)
return y
def iacthin(f, g, Iab=None, n=-1, theta=45, DIRECTION="CLOCKWISE"):
from ia870.iaisbinary import iaisbinary
from ia870.iasupgen import iasupgen
from ia870.iainterot import iainterot
from ia870.iaunion import iaunion
from ia870.iasubm import iasubm
from ia870.iaisequal import iaisequal
from ia870.iahomothin import iahomothin
if Iab is None:
Iab = iahomothin()
DIRECTION = DIRECTION.upper()
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
def iacloserecth(f, bdil=iasecross(), bc=iasecross()):
from ia870.iasubm import iasubm
from ia870.iacloserec import iacloserec
y = iasubm( iacloserec(f,bdil,bc), f)
return y
def iasymdif(f1, f2):
from ia870.iaunion import iaunion
from ia870.iasubm import iasubm
y = iaunion(iasubm(f1, f2), iasubm(f2, f1))
return y