def iacdil(f, g, b=iasecross(), n=1):
from iaintersec import iaintersec
from iadil import iadil
from iaisequal import iaisequal
y = iaintersec(f,g)
for i in xrange(n):
aux = y
y = iaintersec( iadil(y,b),g)
if iaisequal(y,aux): break
return y
def iacdil(f, g, b=iasecross(), n=1):
from iaintersec import iaintersec
from iadil import iadil
from iaisequal import iaisequal
y = iaintersec(f, g)
for i in range(n):
aux = y
y = iaintersec(iadil(y, b), g)
if iaisequal(y, aux): break
return y
def iatoggle(f, f1, f2, OPTION="GRAY"):
from iabinary import iabinary
from iasubm import iasubm
from iagray import iagray
from iaunion import iaunion
from iaintersec import iaintersec
from ianeg import ianeg
y = iabinary(iasubm(f, f1), iasubm(f2, f))
if upper(OPTION) == 'GRAY':
t = iagray(y)
y = iaunion(iaintersec(ianeg(t), f1), iaintersec(t, f2))
return y
def iadil(f, b=None):
from iamat2set import iamat2set
from ialimits import ialimits
from iaisbinary import iaisbinary
from iaintersec import iaintersec
from iagray import iagray
from iaadd4dil import iaadd4dil
from iasecross import iasecross
if b is None: b = iasecross()
if len(f.shape) == 1: f = f[newaxis,:]
h,w = f.shape
x,v = iamat2set(b)
if len(x)==0:
y = (ones((h,w)) * ialimits(f)[0]).astype(f.dtype)
else:
if iaisbinary(v):
v = iaintersec( iagray(v,'int32'),0)
mh,mw = max(abs(x)[:,0]),max(abs(x)[:,1])
y = (ones((h+2*mh,w+2*mw)) * ialimits(f)[0]).astype(f.dtype)
for i in range(x.shape[0]):
if v[i] > -2147483647:
y[mh+x[i,0]:mh+x[i,0]+h, mw+x[i,1]:mw+x[i,1]+w] = maximum(
y[mh+x[i,0]:mh+x[i,0]+h, mw+x[i,1]:mw+x[i,1]+w], iaadd4dil(f,v[i]))
y = y[mh:mh+h, mw:mw+w]
return y
def iadist(f, Bc=iasecross(), METRIC=None):
from iagray import iagray
from iaintersec import iaintersec
from iaisequal import iaisequal
from iaero import iaero
from iasebox import iasebox
if METRIC is not None: METRIC = METRIC.upper()
f = iagray(f, 'uint16')
y = iaintersec(f, 0)
if (METRIC == 'EUCLIDEAN') or (METRIC == 'EUC2'):
f = int32(f)
b = int32(zeros((3, 3)))
i = 1
while any(f != y):
a4, a2 = -4 * i + 2, -2 * i + 1
b = int32([[a4, a2, a4], [a2, 0, a2], [a4, a2, a4]])
y = f
i = i + 1
f = iaero(f, b)
if METRIC == 'EUCLIDEAN':
y = uint16(sqrt(f) + 0.5)
else:
if iaisequal(Bc, iasecross()):
b = int32([[-2147483647, -1, -2147483647], [-1, 0, -1],
[-2147483647, -1, -2147483647]])
elif iaisequal(Bc, iasebox()):
b = int32([[-1, -1, -1], [-1, 0, -1], [-1, -1, -1]])
else:
b = Bc
while any(f != y):
y = f
f = iaero(f, b)
return y
def iatoggle(f, f1, f2, OPTION="GRAY"):
from iabinary import iabinary
from iasubm import iasubm
from iagray import iagray
from iaunion import iaunion
from iaintersec import iaintersec
from ianeg import ianeg
y=iabinary( iasubm(f,f1),iasubm(f2,f))
if upper(OPTION) == 'GRAY':
t=iagray(y)
y=iaunion( iaintersec( ianeg(t),f1),iaintersec(t,f2))
return y
def iadil(f, b=None):
from iamat2set import iamat2set
from ialimits import ialimits
from iaisbinary import iaisbinary
from iaintersec import iaintersec
from iagray import iagray
from iaadd4dil import iaadd4dil
from iasecross import iasecross
if b is None: b = iasecross()
if len(f.shape) == 1: f = f[newaxis, :]
h, w = f.shape
x, v = iamat2set(b)
if len(x) == 0:
y = (ones((h, w)) * ialimits(f)[0]).astype(f.dtype)
else:
if iaisbinary(v):
v = iaintersec(iagray(v, 'int32'), 0)
mh, mw = max(abs(x)[:, 0]), max(abs(x)[:, 1])
y = (ones((h + 2 * mh, w + 2 * mw)) * ialimits(f)[0]).astype(f.dtype)
for i in range(x.shape[0]):
if v[i] > -2147483647:
y[mh + x[i, 0]:mh + x[i, 0] + h,
mw + x[i, 1]:mw + x[i, 1] + w] = maximum(
y[mh + x[i, 0]:mh + x[i, 0] + h,
mw + x[i, 1]:mw + x[i, 1] + w], iaadd4dil(f, v[i]))
y = y[mh:mh + h, mw:mw + w]
return y
def iaskelm(f, B=iasecross(), option="binary"):
from iaisbinary import iaisbinary
from ialimits import ialimits
from iagray import iagray
from iaintersec import iaintersec
from iasesum import iasesum
from iaero import iaero
from iaisequal import iaisequal
from iaopenth import iaopenth
from iasedil import iasedil
from iaunion import iaunion
from iabinary import iabinary
from iapad import iapad
from iaunpad import iaunpad
assert iaisbinary(f),'Input binary image only'
option = upper(option)
f = iapad(f,B)
print f
k1,k2 = ialimits(f)
y = iagray( iaintersec(f, k1),'uint16')
iszero = asarray(y)
nb = iasesum(B,0)
for r in range(1,65535):
ero = iaero( f, nb)
if iaisequal(ero, iszero): break
f1 = iaopenth( ero, B)
nb = iasedil(nb, B)
y = iaunion(y, iagray(f1,'uint16',r))
if option == 'BINARY':
y = iabinary(y)
y = iaunpad(y,B)
return y
def iaskelm(f, B=iasecross(), option="binary"):
from iaisbinary import iaisbinary
from ialimits import ialimits
from iagray import iagray
from iaintersec import iaintersec
from iasesum import iasesum
from iaero import iaero
from iaisequal import iaisequal
from iaopenth import iaopenth
from iasedil import iasedil
from iaunion import iaunion
from iabinary import iabinary
from iapad import iapad
from iaunpad import iaunpad
assert iaisbinary(f), 'Input binary image only'
option = upper(option)
f = iapad(f, B)
print f
k1, k2 = ialimits(f)
y = iagray(iaintersec(f, k1), 'uint16')
iszero = asarray(y)
nb = iasesum(B, 0)
for r in range(1, 65535):
ero = iaero(f, nb)
if iaisequal(ero, iszero): break
f1 = iaopenth(ero, B)
nb = iasedil(nb, B)
y = iaunion(y, iagray(f1, 'uint16', r))
if option == 'BINARY':
y = iabinary(y)
y = iaunpad(y, B)
return y
def iadist(f, Bc=iasecross(), METRIC=None):
from iagray import iagray
from iaintersec import iaintersec
from iaisequal import iaisequal
from iaero import iaero
from iasebox import iasebox
if METRIC is not None:
METRIC = upper(METRIC)
f = iagray(f, "uint16")
y = iaintersec(f, 0)
if (METRIC == "EUCLIDEAN") or (METRIC == "EUC2"):
f = int32(f)
b = int32(zeros((3, 3)))
i = 1
while any(f != y):
a4, a2 = -4 * i + 2, -2 * i + 1
b = int32([[a4, a2, a4], [a2, 0, a2], [a4, a2, a4]])
y = f
i = i + 1
f = iaero(f, b)
if METRIC == "EUCLIDEAN":
y = uint16(sqrt(f) + 0.5)
else:
if iaisequal(Bc, iasecross()):
b = int32([[-2147483647, -1, -2147483647], [-1, 0, -1], [-2147483647, -1, -2147483647]])
elif iaisequal(Bc, iasebox()):
b = int32([[-1, -1, -1], [-1, 0, -1], [-1, -1, -1]])
else:
b = Bc
while any(f != y):
y = f
f = iaero(f, b)
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 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 iagshow(X, X1=None, X2=None, X3=None, X4=None, X5=None, X6=None):
from iaisbinary import iaisbinary
from iagray import iagray
from iaunion import iaunion
from iaintersec import iaintersec
from ianeg import ianeg
from iaconcat import iaconcat
if iaisbinary(X): X = iagray(X,'uint8')
r = X
g = X
b = X
if X1 is not None: # red 1 0 0
assert iaisbinary(X1),'X1 must be binary overlay'
x1 = iagray(X1,'uint8')
r = iaunion(r,x1)
g = iaintersec(g,ianeg(x1))
b = iaintersec(b,ianeg(x1))
if X2 is not None: # green 0 1 0
assert iaisbinary(X2),'X2 must be binary overlay'
x2 = iagray(X2,'uint8')
r = iaintersec(r,ianeg(x2))
g = iaunion(g,x2)
b = iaintersec(b,ianeg(x2))
if X3 is not None: # blue 0 0 1
assert iaisbinary(X3),'X3 must be binary overlay'
x3 = iagray(X3,'uint8')
r = iaintersec(r,ianeg(x3))
g = iaintersec(g,ianeg(x3))
b = iaunion(b,x3)
if X4 is not None: # magenta 1 0 1
assert iaisbinary(X4),'X4 must be binary overlay'
x4 = iagray(X4,'uint8')
r = iaunion(r,x4)
g = iaintersec(g,ianeg(x4))
b = iaunion(b,x4)
if X5 is not None: # yellow 1 1 0
assert iaisbinary(X5),'X5 must be binary overlay'
x5 = iagray(X5,'uint8')
r = iaunion(r,x5)
g = iaunion(g,x5)
b = iaintersec(b,ianeg(x5))
if X6 is not None: # cyan 0 1 1
assert iaisbinary(X6),'X6 must be binary overlay'
x6 = iagray(X6,'uint8')
r = iaintersec(r,ianeg(x6))
g = iaunion(g,x6)
b = iaunion(b,x6)
return iaconcat('d',r,g,b)
return Y
def iagshow(X, X1=None, X2=None, X3=None, X4=None, X5=None, X6=None):
from iaisbinary import iaisbinary
from iagray import iagray
from iaunion import iaunion
from iaintersec import iaintersec
from ianeg import ianeg
from iaconcat import iaconcat
if iaisbinary(X): X = iagray(X, 'uint8')
r = X
g = X
b = X
if X1 is not None: # red 1 0 0
assert iaisbinary(X1), 'X1 must be binary overlay'
x1 = iagray(X1, 'uint8')
r = iaunion(r, x1)
g = iaintersec(g, ianeg(x1))
b = iaintersec(b, ianeg(x1))
if X2 is not None: # green 0 1 0
assert iaisbinary(X2), 'X2 must be binary overlay'
x2 = iagray(X2, 'uint8')
r = iaintersec(r, ianeg(x2))
g = iaunion(g, x2)
b = iaintersec(b, ianeg(x2))
if X3 is not None: # blue 0 0 1
assert iaisbinary(X3), 'X3 must be binary overlay'
x3 = iagray(X3, 'uint8')
r = iaintersec(r, ianeg(x3))
g = iaintersec(g, ianeg(x3))
b = iaunion(b, x3)
if X4 is not None: # magenta 1 0 1
assert iaisbinary(X4), 'X4 must be binary overlay'
x4 = iagray(X4, 'uint8')
r = iaunion(r, x4)
g = iaintersec(g, ianeg(x4))
b = iaunion(b, x4)
if X5 is not None: # yellow 1 1 0
assert iaisbinary(X5), 'X5 must be binary overlay'
x5 = iagray(X5, 'uint8')
r = iaunion(r, x5)
g = iaunion(g, x5)
b = iaintersec(b, ianeg(x5))
if X6 is not None: # cyan 0 1 1
assert iaisbinary(X6), 'X6 must be binary overlay'
x6 = iagray(X6, 'uint8')
r = iaintersec(r, ianeg(x6))
g = iaunion(g, x6)
b = iaunion(b, x6)
return iaconcat('d', r, g, b)
return Y
def iasedisk(r=3, DIM="2D", METRIC="EUCLIDEAN", FLAT="FLAT", h=0):
from iabinary import iabinary
from iasecross import iasecross
from iasedil import iasedil
from iasesum import iasesum
from iasebox import iasebox
from iaintersec import iaintersec
from iagray import iagray
METRIC = upper(METRIC)
FLAT = upper(FLAT)
assert DIM=='2D','Supports only 2D structuring elements'
if FLAT=='FLAT': y = iabinary([1])
else: y = int32([h])
if r==0: return y
if METRIC == 'CITY-BLOCK':
if FLAT == 'FLAT':
b = iasecross(1)
else:
b = int32([[-2147483647, 0,-2147483647],
[ 0, 1, 0],
[-2147483647, 0,-2147483647]])
return iasedil(y,iasesum(b,r))
elif METRIC == 'CHESSBOARD':
if FLAT == 'FLAT':
b = iasebox(1)
else:
b = int32([[1,1,1],
[1,1,1],
[1,1,1]])
return iasedil(y,iasesum(b,r))
elif METRIC == 'OCTAGON':
if FLAT == 'FLAT':
b1,b2 = iasebox(1),iasecross(1)
else:
b1 = int32([[1,1,1],[1,1,1],[1,1,1]])
b2 = int32([[-2147483647, 0,-2147483647],
[ 0, 1, 0],
[-2147483647, 0,-2147483647]])
if r==1: return b1
else: return iasedil( iasedil(y,iasesum(b1,r/2)) ,iasesum(b2,(r+1)/2))
elif METRIC == 'EUCLIDEAN':
v = arange(-r,r+1)
x = resize(v, (len(v), len(v)))
y = transpose(x)
Be = iabinary(sqrt(x*x + y*y) <= (r+0.5))
if FLAT=='FLAT':
return Be
be = h + int32( sqrt( maximum((r+0.5)*(r+0.5) - (x*x) - (y*y),0)))
be = iaintersec( iagray(Be,'int32'),be)
return be
else:
assert 0,'Non valid metric'
return B
def iasedisk(r=3, DIM="2D", METRIC="EUCLIDEAN", FLAT="FLAT", h=0):
from iabinary import iabinary
from iasecross import iasecross
from iasedil import iasedil
from iasesum import iasesum
from iasebox import iasebox
from iaintersec import iaintersec
from iagray import iagray
METRIC = METRIC.upper()
FLAT = FLAT.upper()
assert DIM == '2D', 'Supports only 2D structuring elements'
if FLAT == 'FLAT': y = iabinary([1])
else: y = int32([h])
if r == 0: return y
if METRIC == 'CITY-BLOCK':
if FLAT == 'FLAT':
b = iasecross(1)
else:
b = int32([[-2147483647, 0, -2147483647], [0, 1, 0],
[-2147483647, 0, -2147483647]])
return iasedil(y, iasesum(b, r))
elif METRIC == 'CHESSBOARD':
if FLAT == 'FLAT':
b = iasebox(1)
else:
b = int32([[1, 1, 1], [1, 1, 1], [1, 1, 1]])
return iasedil(y, iasesum(b, r))
elif METRIC == 'OCTAGON':
if FLAT == 'FLAT':
b1, b2 = iasebox(1), iasecross(1)
else:
b1 = int32([[1, 1, 1], [1, 1, 1], [1, 1, 1]])
b2 = int32([[-2147483647, 0, -2147483647], [0, 1, 0],
[-2147483647, 0, -2147483647]])
if r == 1: return b1
else:
return iasedil(iasedil(y, iasesum(b1, r / 2)),
iasesum(b2, (r + 1) / 2))
elif METRIC == 'EUCLIDEAN':
v = arange(-r, r + 1)
x = resize(v, (len(v), len(v)))
y = transpose(x)
Be = iabinary(sqrt(x * x + y * y) <= (r + 0.5))
if FLAT == 'FLAT':
return Be
be = h + int32(
sqrt(maximum((r + 0.5) * (r + 0.5) - (x * x) - (y * y), 0)))
be = iaintersec(iagray(Be, 'int32'), be)
return be
else:
assert 0, 'Non valid metric'
return B
def iasupgen(f, INTER):
from iaintersec import iaintersec
from iaero import iaero
from ianeg import ianeg
A,Bc = INTER
y = iaintersec( iaero( f, A),
iaero( ianeg(f), Bc))
return y
def iacmp(f1, oper, f2, oper1=None, f3=None):
from iaintersec import iaintersec
from iabinary import iabinary
if oper == '==': y = (f1==f2)
elif oper == '~=': y = (f1!=f2)
elif oper == '<=': y = (f1<=f2)
elif oper == '>=': y = (f1>=f2)
elif oper == '>': y = (f1> f2)
elif oper == '<': y = (f1< f2)
else:
assert 0, 'oper must be one of: ==, ~=, >, >=, <, <=, it was:'+oper
if oper1 != None:
if oper1 == '==': y = iaintersec(y, f2==f3)
elif oper1 == '~=': y = iaintersec(y, f2!=f3)
elif oper1 == '<=': y = iaintersec(y, f2<=f3)
elif oper1 == '>=': y = iaintersec(y, f2>=f3)
elif oper1 == '>': y = iaintersec(y, f2> f3)
elif oper1 == '<': y = iaintersec(y, f2< f3)
else:
assert 0, 'oper1 must be one of: ==, ~=, >, >=, <, <=, it was:'+oper1
y = iabinary(y)
return y
def iainfcanon(f, Iab, theta=45, DIRECTION="CLOCKWISE"):
from iaunion import iaunion
from iainterot import iainterot
from iaintersec import iaintersec
from iainfgen import iainfgen
DIRECTION = DIRECTION.upper()
y = iaunion(f, 1)
for t in range(0, 360, theta):
Irot = iainterot(Iab, t, DIRECTION)
y = iaintersec(y, iainfgen(f, Irot))
return y
def iainfcanon(f, Iab, theta=45, DIRECTION="CLOCKWISE"):
from iaunion import iaunion
from iainterot import iainterot
from iaintersec import iaintersec
from iainfgen import iainfgen
DIRECTION = upper(DIRECTION)
y = iaunion(f,1)
for t in range(0,360,theta):
Irot = iainterot( Iab, t, DIRECTION )
y = iaintersec( y, iainfgen(f, Irot))
return y
def iaskelmrec(f, B=None):
from iabinary import iabinary
from iaintersec import iaintersec
from iadil import iadil
from iaunion import iaunion
from iasecross import iasecross
if B is None:
B = iasecross(None)
y = iabinary( iaintersec(f, 0))
for r in range(max(ravel(f)),1,-1):
y = iadil( iaunion(y,iabinary(f,r)), B)
y = iaunion(y, iabinary(f,1))
return y
def iaframe(f, WT=1, HT=1, DT=0, k1=None, k2=None):
from iaunion import iaunion
from iaintersec import iaintersec
from ialimits import ialimits
if k1 is None: k1 = ialimits(f)[1]
if k2 is None: k2 = ialimits(f)[0]
assert len(f.shape)==2,'Supports 2D only'
y = iaintersec(f,k2)
y[:,0:WT] = k1
y[:,-WT:] = k1
y[0:HT,:] = k1
y[-HT:,:] = k1
return y
def iaframe(f, WT=1, HT=1, DT=0, k1=None, k2=None):
from iaunion import iaunion
from iaintersec import iaintersec
from ialimits import ialimits
if k1 is None: k1 = ialimits(f)[1]
if k2 is None: k2 = ialimits(f)[0]
assert len(f.shape) == 2, 'Supports 2D only'
y = iaintersec(f, k2)
y[:, 0:WT] = k1
y[:, -WT:] = k1
y[0:HT, :] = k1
y[-HT:, :] = k1
return y
def iaskelmrec(f, B=None):
from iabinary import iabinary
from iaintersec import iaintersec
from iadil import iadil
from iaunion import iaunion
from iasecross import iasecross
if B is None:
B = iasecross(None)
y = iabinary(iaintersec(f, 0))
for r in range(max(ravel(f)), 1, -1):
y = iadil(iaunion(y, iabinary(f, r)), B)
y = iaunion(y, iabinary(f, 1))
return y
def iainpos(f, g, bc=iasecross()):
from iaisbinary import iaisbinary
from iagray import iagray
from ianeg import ianeg
from iadatatype import iadatatype
from ialimits import ialimits
from iasuprec import iasuprec
from iaintersec import iaintersec
from iaunion import iaunion
assert iaisbinary(f), 'First parameter must be binary image'
fg = iagray(ianeg(f), iadatatype(g))
k1 = ialimits(g)[1] - 1
y = iasuprec(fg, iaintersec(iaunion(g, 1), k1, fg), bc)
return y
def iainpos(f, g, bc=iasecross()):
from iaisbinary import iaisbinary
from iagray import iagray
from ianeg import ianeg
from iadatatype import iadatatype
from ialimits import ialimits
from iasuprec import iasuprec
from iaintersec import iaintersec
from iaunion import iaunion
assert iaisbinary(f),'First parameter must be binary image'
fg = iagray( ianeg(f), iadatatype(g))
k1 = ialimits(g)[1] - 1
y = iasuprec(fg, iaintersec( iaunion(g, 1), k1, fg), bc)
return y
def iacbisector(f, B, n):
from iaintersec import iaintersec
from iasesum import iasesum
from iaero import iaero
from iacdil import iacdil
from iasubm import iasubm
from 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 iacbisector(f, B, n):
from iaintersec import iaintersec
from iasesum import iasesum
from iaero import iaero
from iacdil import iacdil
from iasubm import iasubm
from 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 iacenter(f, b=None):
from iaasf import iaasf
from iaunion import iaunion
from iaintersec import iaintersec
from iaisequal import iaisequal
from iasecross import iasecross
if b is None:
b = iasecross(None)
y = f
diff = 0
while not diff:
aux = y
beta1 = iaasf(y,'COC',b,1)
beta2 = iaasf(y,'OCO',b,1)
y = iaunion( iaintersec(y,beta1),beta2)
diff = iaisequal(aux,y)
return y
def iacenter(f, b=None):
from iaasf import iaasf
from iaunion import iaunion
from iaintersec import iaintersec
from iaisequal import iaisequal
from iasecross import iasecross
if b is None:
b = iasecross(None)
y = f
diff = 0
while not diff:
aux = y
beta1 = iaasf(y, 'COC', b, 1)
beta2 = iaasf(y, 'OCO', b, 1)
y = iaunion(iaintersec(y, beta1), beta2)
diff = iaisequal(aux, y)
return y
def iaintershow(Iab):
from iaseunion import iaseunion
from iaintersec import iaintersec
assert (type(Iab) is tuple) and (len(Iab) == 2),'not proper fortmat of hit-or-miss template'
A,Bc = Iab
S = iaseunion(A,Bc)
Z = iaintersec(S,0)
n = product(S.shape)
one = reshape(array(n*'1','c'),S.shape)
zero = reshape(array(n*'0','c'),S.shape)
x = reshape(array(n*'.','c'),S.shape)
saux = choose( S + iaseunion(Z,A), ( x, zero, one))
s = ''
for i in range(saux.shape[0]):
s=s+(join(list(saux[i]))+' \n')
return s
def iagdist(f, g, Bc=iasecross(), METRIC=None):
from ianeg import ianeg
from iagray import iagray
from iaintersec import iaintersec
from iaisequal import iaisequal
from iacero import iacero
from iaaddm import iaaddm
from iaunion import iaunion
assert METRIC is None, 'Does not support EUCLIDEAN'
fneg, gneg = ianeg(f), ianeg(g)
y = iagray(gneg, 'uint16', 1)
ero = iaintersec(y, 0)
aux = y
i = 1
while (ero != aux).any():
aux = ero
ero = iacero(gneg, fneg, Bc, i)
y = iaaddm(y, iagray(ero, 'uint16', 1))
i = i + 1
y = iaunion(y, iagray(ero, 'uint16'))
return y
def iagdist(f, g, Bc=iasecross(), METRIC=None):
from ianeg import ianeg
from iagray import iagray
from iaintersec import iaintersec
from iaisequal import iaisequal
from iacero import iacero
from iaaddm import iaaddm
from iaunion import iaunion
assert METRIC is None,'Does not support EUCLIDEAN'
fneg,gneg = ianeg(f),ianeg(g)
y = iagray(gneg,'uint16',1)
ero = iaintersec(y,0)
aux = y
i = 1
while (ero != aux).any():
aux = ero
ero = iacero(gneg,fneg,Bc,i)
y = iaaddm(y,iagray(ero,'uint16',1))
i = i + 1
y = iaunion(y,iagray(ero,'uint16'))
return y
def iacthick(f, g, Iab=None, n=-1, theta=45, DIRECTION="CLOCKWISE"):
from iaisbinary import iaisbinary
from iasupgen import iasupgen
from iainterot import iainterot
from iaintersec import iaintersec
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
old = y
for i in range(n):
for t in range(0,360,theta):
sup = iasupgen( y, iainterot(Iab, t, DIRECTION))
y = iaintersec( iaunion( y, sup),g)
if iaisequal(old,y): break
old = y
return y
def iacthick(f, g, Iab=None, n=-1, theta=45, DIRECTION="CLOCKWISE"):
from iaisbinary import iaisbinary
from iasupgen import iasupgen
from iainterot import iainterot
from iaintersec import iaintersec
from iaunion import iaunion
from iaisequal import iaisequal
from iahomothick import iahomothick
if Iab is None:
Iab = iahomothick()
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 = iaintersec(iaunion(y, sup), g)
if iaisequal(old, y): break
old = y
return y
