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1
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Vo
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Fig
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o
n
e
s
o
n
ed
g
e
d
etec
to
r
w
ill
co
n
s
id
er
ed
ir
is
.
E
q
u
atio
n
(
1
)
is
ab
le
to
d
ef
i
n
e
a
n
y
cir
cle
b
y
it
i
s
p
ar
a
m
eter
s
.
T
h
ese
p
ar
am
e
ter
s
ar
e
th
e
ce
n
ter
c
o
o
r
d
in
ates
X
an
d
Y,
an
d
th
e
r
ad
iu
s
r
,
an
d
X0
is
s
h
i
f
t i
n
x
-
a
x
is
a
n
d
Y0
is
s
h
if
t i
n
y
-
a
x
is
.
(
1
)
A
m
a
x
i
m
u
m
p
o
in
t
in
th
e
Ho
u
g
h
s
p
ac
e
w
i
ll
co
r
r
esp
o
n
d
to
th
e
r
ad
iu
s
an
d
ce
n
ter
co
o
r
d
in
ates
o
f
t
h
e
cir
cle
th
at
h
a
v
e
d
e
f
in
ed
b
y
t
h
e
ca
n
n
y
ed
g
e
p
o
in
t
s
.
T
h
e
r
es
u
lt
o
f
t
h
e
d
etec
tio
n
p
r
o
ce
s
s
i
s
s
h
o
w
n
i
n
f
ig
u
r
e
2
(
c)
.
Af
ter
f
in
d
i
n
g
t
h
e
i
r
is
f
r
o
m
t
h
e
ca
p
tu
r
ed
i
m
a
g
e.
I
t‟
s
t
h
e
ti
m
e
to
f
i
n
d
th
e
p
u
p
il
u
s
i
n
g
Ho
u
g
h
tr
an
s
f
o
r
m
.
First
s
tag
e
to
d
etec
t
p
u
p
il
i
s
m
as
k
ca
p
tu
r
ed
i
m
a
g
e
a
n
d
ex
tr
ac
t
o
n
l
y
t
h
e
ir
is
i
m
a
g
e
a
s
s
h
o
w
n
i
n
f
ig
u
r
e
3
(
a)
.
Af
ter
f
i
n
d
in
g
t
h
e
ir
i
s
f
r
o
m
th
e
ca
p
tu
r
ed
i
m
ag
e.
I
t‟
s
t
h
e
t
i
m
e
t
o
f
i
n
d
th
e
p
u
p
il
u
s
i
n
g
Ho
u
g
h
tr
a
n
s
f
o
r
m
.
First
s
ta
g
e
to
d
etec
t p
u
p
il is
m
a
s
k
ca
p
t
u
r
ed
im
ag
e
a
n
d
ex
tr
ac
t o
n
l
y
t
h
e
ir
is
i
m
a
g
e
as s
h
o
w
n
i
n
f
ig
u
r
e
3
(
a)
.
(
a)
(
b
)
(
c)
I
t‟
s
th
e
ti
m
e
to
f
i
n
d
t
h
e
p
u
p
il
u
s
in
g
Ho
u
g
h
tr
an
s
f
o
r
m
.
Firs
t
s
ta
g
e
to
d
etec
t
p
u
p
il
i
s
m
as
k
ca
p
tu
r
ed
i
m
a
g
e
an
d
e
x
tr
ac
t
o
n
l
y
t
h
e
ir
i
s
i
m
a
g
e
a
s
s
h
o
w
n
i
n
f
i
g
u
r
e
3
(
a)
.
Sin
ce
th
e
p
u
p
il
is
a
l
w
a
y
s
in
s
id
e
t
h
e
I
r
is
,
t
h
is
w
a
y
is
u
s
ed
in
o
r
d
er
to
d
ec
r
e
ase
p
r
o
ce
s
s
in
g
ti
m
e
o
f
t
h
e
Ho
u
g
h
s
p
ac
e,
s
i
n
ce
th
e
Ho
u
g
h
tr
an
s
f
o
r
m
is
“
b
r
u
te
-
f
o
r
ce
”
an
d
tr
y
m
a
n
y
p
ix
e
l
i
n
it
to
lo
ca
te
t
h
e
lar
g
er
cir
cle
th
at
co
n
s
tr
u
cted
f
r
o
m
ed
g
e
d
etec
to
r
.
T
h
is
w
ill
d
ec
r
ea
s
e
th
e
p
ix
el
t
h
at
s
ea
r
ch
o
n
it
f
o
r
t
h
e
p
u
p
il
.
T
h
e
s
a
m
e
p
r
o
ce
s
s
in
f
in
d
i
n
g
th
e
ce
n
ter
a
n
d
r
ad
iu
s
f
o
r
ir
is
is
ap
p
lied
f
o
r
f
in
d
in
g
th
e
ce
n
t
er
an
d
r
ad
iu
s
f
o
r
p
u
p
il
as
s
h
o
w
n
i
n
f
ig
u
r
e
3
.
An
d
f
in
al
r
esu
lt
f
r
o
m
th
e
s
eg
m
e
n
tatio
n
is
s
h
o
w
n
i
n
f
i
g
u
r
e
4
.
(
T
h
e
p
r
o
ce
s
s
w
as
d
o
n
e
o
n
s
a
m
p
le
3
f
r
o
m
t
h
e
1
0
8
s
a
m
p
les
o
f
C
A
SI
A
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atab
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Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
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8776
Ha
lf I
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u
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2
.
a)
A
d
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u
s
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tr
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o
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ig
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n
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g
e
d
etec
to
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o
f
p
u
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il c
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u
p
il
d
etec
t f
r
o
m
th
e
Ho
u
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an
s
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o
r
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er
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Fig
u
r
e
3
.
R
esu
lt a
f
ter
Se
g
m
e
n
t
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p
r
o
ce
s
s
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4.
NO
RM
AL
I
Z
AT
I
O
N
No
r
m
a
lizatio
n
p
r
o
ce
s
s
i
s
co
n
v
er
tin
g
t
h
e
ir
is
f
r
o
m
t
h
e
p
o
lar
co
o
r
d
in
ate
to
th
e
r
ec
tan
g
u
lar
co
o
r
d
in
ate.
Af
ter
co
m
p
leti
n
g
t
h
e
s
e
g
m
e
n
t
atio
n
p
r
o
ce
s
s
an
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k
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th
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ter
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d
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n
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h
e
n
ex
t
s
te
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is
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to
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ta
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g
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o
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is
ap
p
lied
th
e
b
o
u
n
d
ar
y
o
u
ts
i
d
e
th
e
p
u
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il
r
ad
iu
s
th
is
p
r
o
ce
s
s
w
i
ll g
e
n
er
ate
th
e
r
ec
tan
g
u
lar
te
m
p
late
as s
h
o
w
n
in
f
ig
u
r
e
5
.
Fig
u
r
e
4
.
P
o
lar
t
o
r
ec
tan
g
u
lar
an
d
te
m
p
late
C
o
n
v
er
s
io
n
p
r
o
ce
s
s
f
o
r
ir
i
s
i
m
ag
e
to
r
ec
tan
g
u
lar
te
m
p
late
is
p
er
f
o
r
m
ed
u
s
i
n
g
t
h
e
co
m
m
o
n
p
o
lar
to
r
ec
tan
g
u
lar
co
o
r
d
in
ate
tr
an
s
f
o
r
m
atio
n
.
T
h
is
p
r
o
ce
s
s
is
ca
lled
as
n
o
r
m
aliza
t
io
n
.
R
e
-
m
ap
s
ea
ch
p
ix
el
w
it
h
i
n
ir
i
s
r
eig
n
to
p
air
p
o
la
r
co
-
o
r
d
in
at
es
(
r
,
θ)
w
h
er
e
“
r
‟
lies
i
n
th
e
u
n
it
i
n
ter
v
al
[
0
,
1
]
an
d
“
θ‟
is
th
e
u
s
u
al
an
g
u
lar
q
u
an
tit
y
t
h
at
is
c
y
clic
o
v
er
[
0
,
2
π]
.
T
h
is
ca
lled
h
o
m
o
g
e
n
o
u
s
r
u
b
b
er
s
h
ee
t
m
o
d
el
w
h
ich
u
s
e
d
b
y
Dau
g
m
an
[
1
]
.
T
h
e
r
em
ap
p
in
g
o
f
t
h
e
ir
is
i
m
ag
e
I
(
x
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y
)
f
r
o
m
r
a
w
C
ar
te
s
i
an
co
o
r
d
in
ates
(
x
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)
to
th
e
d
i
m
en
s
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n
le
s
s
n
o
n
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co
n
ce
n
tr
ic
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o
lar
co
o
r
d
in
ate
s
y
s
te
m
(
r
,
θ)
ca
n
b
e
r
ep
r
esen
ted
as:
(
2
)
(
3
)
(
4
)
(
a)
(
b
)
(
c)
0
1
r
r
θ
θ
r
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
2
5
2
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IJ
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Vo
l.
5
,
No
.
1
,
A
p
r
il
20
1
6
:
2
1
–
2
7
24
W
h
er
e
is
th
e
ir
is
r
e
g
io
n
i
m
ag
e,
is
t
h
e
o
r
ig
i
n
al
C
ar
tes
ia
n
co
o
r
d
in
ates,
ar
e
th
e
co
r
r
esp
o
n
d
in
g
n
o
r
m
alize
d
p
o
lar
co
o
r
d
in
ates,
an
d
an
d
ar
e
th
e
co
o
r
d
in
ates
o
f
t
h
e
p
u
p
il
an
d
ir
is
b
o
u
n
d
ar
ies
alo
n
g
t
h
e
θ
d
ir
ec
tio
n
.
Sin
ce
th
e
r
ad
ial
co
o
r
d
in
at
e
r
an
g
es
f
r
o
m
t
h
e
ir
is
i
n
n
er
b
o
u
n
d
ar
y
to
its
o
u
ter
b
o
u
n
d
ar
y
as
a
u
n
i
t
i
n
ter
v
al,
it
is
i
n
h
er
en
tl
y
co
r
r
ec
ts
f
o
r
th
e
elastic
p
atter
n
d
ef
o
r
m
atio
n
i
n
t
h
e
ir
is
w
h
en
th
e
p
u
p
il c
h
an
g
e
s
in
s
ize.
(
5
)
W
h
er
e
an
d
(
6
)
Fro
m
t
h
ese
eq
u
atio
n
s
,
I
r
i
s
e
x
tr
ac
ted
f
r
o
m
t
h
e
ca
p
tu
r
ed
i
m
a
g
e
an
d
a
r
ec
tan
g
u
lar
te
m
p
late
is
g
en
er
ated
w
it
h
r
ad
ial
r
eso
lu
t
io
n
o
f
2
0
p
ix
el
an
d
a
n
g
u
lar
2
4
0
p
ix
el
to
g
en
er
ate
2
0
*
2
4
0
te
m
p
late.
T
h
e
te
m
p
late
t
h
at
i
s
g
en
er
ated
b
y
u
s
in
g
eq
u
atio
n
w
il
l
co
n
tai
n
o
n
l
y
t
h
e
lo
w
er
p
o
r
tio
n
o
f
ir
is
f
r
o
m
th
e
e
y
e.
T
ak
in
g
t
h
e
lo
w
er
p
ar
t
o
f
th
e
ir
is
i
s
v
er
y
u
s
ef
u
l
s
in
ce
t
h
is
p
ar
t
o
f
ar
ea
d
o
n
‟
t
h
a
v
e
E
y
e
lid
an
d
e
y
elas
h
as
s
h
o
w
n
in
f
i
g
u
r
e
6
,
th
e
u
p
p
er
p
o
r
tio
n
o
f
th
e
e
y
e
co
n
ta
in
s
o
m
e
o
f
E
y
elid
an
d
e
y
ela
s
h
.
Fig
u
r
e
5
.
a)
T
ak
in
g
o
n
l
y
t
h
e
l
o
w
er
p
ar
t o
f
th
e
ir
is
b
o
u
n
d
ar
y
to
cr
ea
te
a
r
ec
tan
g
u
lar
I
r
is
t
h
at
w
ill ap
p
lied
to
R
E
D.
b
)
R
ec
tan
g
u
lar
I
r
is
w
it
h
h
eig
h
t 2
0
an
d
w
id
th
2
4
0
o
f
th
e
lo
w
er
p
ar
t o
f
ir
is
.
T
h
e
r
u
b
b
er
s
h
ee
t
m
o
d
el
ta
k
es
in
to
ac
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u
n
t
p
u
p
il d
ilat
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n
a
n
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s
ize
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co
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s
i
s
ten
c
ies i
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ce
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r
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alize
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n
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ta
n
t
d
i
m
e
n
s
io
n
.
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n
t
h
is
w
a
y
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e
ir
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le
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b
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er
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n
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e
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o
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n
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ar
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h
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e
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ter
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ce
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t.
T
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e
d
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a
n
d
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ictio
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w
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ize
[
2
]
.
5.
F
E
AT
U
RE
E
XT
RAC
T
I
O
N
T
h
e
R
id
g
e
E
n
er
g
y
D
ir
ec
tio
n
(
R
E
D)
alg
o
r
ith
m
u
s
ed
f
o
r
ir
is
r
ec
o
g
n
itio
n
.
Featu
r
e
ex
tr
ac
tio
n
is
b
ased
o
n
th
e
d
ir
ec
tio
n
o
f
t
h
e
r
id
g
es
t
h
at
ap
p
ea
r
o
n
th
e
i
m
a
g
e
[
3
]
.
On
ce
th
e
ir
i
s
is
s
e
g
m
en
ted
,
t
h
e
alg
o
r
ith
m
ta
k
es
t
h
e
ir
is
an
d
d
iv
id
es
it
i
n
to
m
=2
0
co
n
ce
n
tr
ic
r
ad
ial
lin
es
a
n
d
n
=2
4
0
an
g
u
lar
,
w
h
ic
h
r
esu
lts
i
n
a
2
0
r
o
w
x
2
4
0
co
lu
m
n
r
ep
r
ese
n
tatio
n
o
f
t
h
e
I
r
is
.
T
h
e
en
er
g
y
o
f
ea
ch
p
ix
el
is
s
i
m
p
l
y
t
h
e
s
q
u
ar
e
o
f
t
h
e
v
alu
e
o
f
t
h
e
in
f
r
ar
ed
in
te
n
s
it
y
w
it
h
i
n
t
h
e
p
ix
el
a
n
d
is
u
s
ed
to
d
etec
t
f
ea
tu
r
e
s
.
Af
t
er
co
n
v
er
tin
g
t
h
e
I
r
is
i
n
to
r
ec
tan
g
u
lar
co
o
r
d
in
ate
s
th
en
,
t
h
e
R
E
D
i
s
ap
p
lied
o
n
th
e
lo
w
er
p
ar
t
o
f
th
e
ir
is
an
d
tr
an
s
f
o
r
m
ed
in
to
an
en
er
g
y
i
m
ag
e.
T
o
p
er
f
o
r
m
f
ilter
i
n
g
th
e
r
ec
tan
g
le
I
r
is
is
f
u
r
th
er
p
as
s
ed
th
r
o
u
g
h
a
p
er
io
d
ic
ar
r
ay
o
f
8
1
(
9
×9
)
v
alu
es
at
a
ti
m
e.
T
h
e
R
E
D
alg
o
r
ith
m
s
tate
t
h
at
f
ilter
in
g
t
h
e
r
ec
tan
g
le
I
r
is
b
y
t
w
o
d
ir
ec
tio
n
al
f
ilter
to
d
eter
m
i
n
e
t
h
e
ex
is
te
n
ce
o
f
r
id
g
es
an
d
th
eir
o
r
ien
tat
io
n
[
4
]
.
Mo
r
e
s
p
ec
if
icall
y
,
t
h
e
r
esu
l
t
is
co
m
p
u
ted
b
y
f
ir
s
t
m
u
ltip
l
y
i
n
g
ea
c
h
f
i
lter
v
al
u
e
b
y
t
h
e
co
r
r
esp
o
n
d
in
g
i
n
p
u
t d
ata
v
alu
e.
T
h
en
a
s
u
m
m
atio
n
is
p
er
f
o
r
m
ed
,
an
d
th
e
r
e
s
u
l
t is
s
to
r
ed
in
a
m
e
m
o
r
y
lo
ca
tio
n
th
at
co
r
r
esp
o
n
d
s
to
th
e
ce
n
tr
o
id
o
f
t
h
e
f
ilter
.
T
h
is
p
r
o
ce
s
s
r
ep
ea
ts
f
o
r
ea
c
h
p
i
x
el
i
n
t
h
e
i
n
p
u
t
d
ata,
s
tep
p
in
g
r
ig
h
t,
co
lu
m
n
-
by
-
co
l
u
m
n
,
an
d
d
o
w
n
,
r
o
w
-
by
-
r
o
w
,
u
n
t
il
t
h
e
f
ilter
ap
p
l
y
o
n
all
t
h
e
p
i
x
els
i
n
t
h
e
r
ec
ta
n
g
le
I
r
is
.
T
h
e
f
ilter
p
r
o
ce
s
s
in
g
w
ill
r
e
p
ea
t
t
w
o
ti
m
es
o
n
t
h
e
in
p
u
t
d
at
a
o
n
e
w
ith
v
er
tical
f
il
ter
an
d
th
e
o
th
er
w
i
th
h
o
r
izo
n
tal
f
ilter
.
A
s
s
h
o
w
n
i
n
f
i
g
u
r
e
9
.
(
b
)
(
a)
2
4
0
20
Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
-
I
C
T
I
SS
N:
2252
-
8776
Ha
lf I
r
is
ma
tch
in
g
b
a
s
ed
o
n
R
E
D
A
lg
o
r
ith
m
(
S
a
fa
a
S
.
Omra
n
)
25
Fig
u
r
e
6
.
a)
R
E
D
v
er
tical
f
il
te
r
s
ize
9
*
9
ap
p
lied
o
n
r
ec
tan
g
le
ir
is
.
b
)
R
E
D
h
o
r
izo
n
tal
f
i
lter
s
ize
9
*
9
ap
p
lied
o
n
r
ec
tan
g
le
ir
is
.
R
ec
tan
g
le
I
r
is
f
ilter
ed
in
th
i
s
p
ap
er
w
ith
s
e
v
er
al
f
ilter
s
o
f
R
E
D
al
g
o
r
ith
m
w
i
th
d
i
f
f
er
en
t
s
izes.
B
y
u
s
i
n
g
th
e
h
a
m
m
i
n
g
d
i
s
tan
ce
f
o
r
m
atc
h
i
n
g
b
et
w
ee
n
t
h
e
ir
i
s
t
e
m
p
lates,
t
h
e
m
o
r
e
t
h
e
h
a
m
m
i
n
g
d
i
s
tan
ce
is
clo
s
e
to
ze
r
o
th
e
m
o
r
e
ac
cu
r
ate
d
etec
tio
n
w
il
l
b
e
b
et
w
ee
n
te
m
p
lat
es.
T
h
e
r
es
u
lts
o
f
f
ilter
ar
e
s
h
o
w
n
i
n
tab
le
1
.
[
5
]
T
h
e
r
esu
lt
s
h
o
w
n
in
tab
le
1
i
n
d
icate
s
t
h
at
t
h
e
m
o
r
e
t
h
e
s
ize
o
f
t
h
e
f
ilter
th
e
m
o
r
e
t
h
e
h
a
m
m
i
n
g
d
is
ta
n
ce
clo
s
e
to
ze
r
o
.
A
ls
o
th
e
r
esu
lt
t
h
at
t
h
e
ti
m
e
to
co
m
p
u
te
t
h
e
1
5
*
1
5
f
ilter
is
la
r
g
e
co
m
p
ar
ed
to
th
e
o
th
er
f
ilter
t
h
at
h
a
v
e
lo
w
er
s
ize
s
in
ce
it
w
i
ll
ta
k
e
2
2
5
m
u
ltip
licat
io
n
f
o
r
ea
ch
v
alu
e
at
ti
m
e
t
h
i
s
m
u
ltip
licatio
n
w
i
ll
i
n
cr
ea
s
e
th
e
ti
m
e.
T
h
e
ac
cu
r
ac
y
w
ill
i
n
cr
e
ase
w
i
th
t
h
e
s
ize
o
f
t
h
e
f
i
lter
an
d
d
ec
r
ea
s
e
w
ith
lo
w
er
th
e
s
ize
o
f
th
e
f
i
lter
.
A
lt
h
o
u
g
h
t
h
e
1
5
*
1
5
r
eq
u
ir
es
m
u
c
h
m
o
r
e
ti
m
e
to
g
e
n
er
ate
th
e
te
m
p
late
w
h
ile
t
h
e
7
*
7
f
i
lter
r
eq
u
ir
es
lo
w
er
ti
m
e
to
g
e
n
er
ate
th
e
te
m
p
late
w
it
h
lo
w
er
ac
cu
r
ac
y
,
s
o
it
h
av
e
to
b
alan
ce
b
et
w
ee
n
th
e
a
cc
u
r
ac
y
an
d
ti
m
e
to
lo
ca
te
r
ig
h
t e
y
e
in
th
e
d
atab
as
e.
T
h
is
w
ill d
ep
en
d
o
n
t
h
e
ap
p
licatio
n
to
ch
o
o
s
e
t
h
e
ac
cu
r
ac
y
in
s
tead
th
e
t
i
m
e
to
lo
ca
te
th
e
r
ig
h
t e
y
e
i
n
d
atab
as
e
o
r
v
ice
v
er
s
a
[
6
]
.
T
ab
le
1
.
Fil
ter
s
ize
w
it
h
m
a
tch
in
g
p
ict
u
r
e
Af
ter
th
e
r
ec
tan
g
le
I
r
is
is
p
ass
th
r
o
u
g
h
t
w
o
f
ilter
s
t
h
e
h
o
r
izo
n
tal
an
d
th
e
v
er
tical
d
i
m
e
n
s
io
n
w
ill
g
en
er
ate
t
w
o
i
m
a
g
es
o
n
e
o
f
t
h
e
m
th
e
r
es
u
lt
f
r
o
m
v
er
tical
f
ilter
w
ith
r
ec
ta
n
g
le
I
r
is
.
A
n
d
th
e
o
th
er
i
s
cr
ea
ted
f
r
o
m
h
o
r
izo
n
tal
f
i
lter
w
it
h
th
e
r
ec
tan
g
le
I
r
is
a
s
s
h
o
w
n
i
n
f
i
g
u
r
e
8
.
Fig
u
r
e
7
.
a)
Ver
tical
te
m
p
late
r
esu
lt
f
r
o
m
v
er
t
ical
te
m
p
late
w
it
h
t
h
e
in
p
u
t i
m
ag
e.
b
)
Ho
r
izo
n
tal
te
m
p
late
r
esu
lt
f
r
o
m
v
er
t
ical
t
e
m
p
late
w
it
h
t
h
e
in
p
u
t i
m
ag
e.
Fin
all
y
,
t
h
e
te
m
p
late
is
g
en
er
ated
b
y
co
m
p
ar
i
n
g
t
h
e
r
es
u
lts
o
f
t
w
o
d
if
f
er
en
t
d
ir
ec
tio
n
al
f
i
lter
s
(
h
o
r
izo
n
tal
an
d
v
er
tical)
an
d
w
r
iti
n
g
a
s
i
n
g
le
b
it
th
at
r
ep
r
esen
ts
t
h
e
f
il
ter
w
it
h
th
e
h
i
g
h
e
s
t
o
u
tp
u
t
at
th
e
eq
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iv
ale
n
t
lo
ca
tio
n
.
T
h
e
o
u
tp
u
t
o
f
ea
c
h
f
ilter
is
co
m
p
ar
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an
d
f
o
r
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ch
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l,
a
„
1
‟
is
ass
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g
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ed
f
o
r
s
tr
o
n
g
F
i
l
t
e
r
si
z
e
H
a
mm
i
n
g
d
i
st
a
n
c
e
f
o
r
mat
c
h
e
y
e
7
*
7
0
.
1
3
3
5
4
2
9
*
9
0
.
0
8
2
9
1
6
7
1
1
*
1
1
0
.
0
4
2
2
9
1
7
1
3
*
1
3
0
.
0
3
0
2
0
8
3
1
5
*
1
5
0
.
0
2
2
5
(
a)
(
b
)
(
a
)
(b)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
2
5
2
-
8776
IJ
-
I
C
T
Vo
l.
5
,
No
.
1
,
A
p
r
il
20
1
6
:
2
1
–
2
7
26
v
er
tical
co
n
te
n
t
o
r
a
„
0
‟
f
o
r
s
tr
o
n
g
h
o
r
izo
n
tal
co
n
te
n
t.
T
h
ese
b
its
ar
e
co
n
ca
ten
ated
to
f
o
r
m
a
b
it
v
ec
to
r
u
n
iq
u
e
to
th
e
“
ir
is
s
i
g
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t
h
at
co
n
v
e
y
s
t
h
e
id
e
n
ti
f
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le
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n
f
o
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m
atio
n
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e
m
as
k
al
s
o
w
ill
g
e
n
er
ate
at
th
i
s
p
r
o
ce
s
s
i
f
a
n
y
v
alu
e
o
f
r
es
u
lti
n
g
o
f
t
w
o
d
i
f
f
er
en
t
d
ir
ec
tio
n
al
f
ilter
(
h
o
r
i
zo
n
tal
an
d
v
er
tical)
is
ab
o
v
e
th
e
t
h
r
es
h
o
ld
th
is
lo
ca
tio
n
w
il
l
m
ar
k
as
n
o
t
v
alid
b
y
p
u
t
1
to
it
as
s
h
o
w
n
i
n
f
i
g
u
r
e
9
.
T
h
is
ch
ar
ac
ter
iza
tio
n
o
f
t
h
e
R
E
D
alg
o
r
it
h
m
f
ilter
s
t
h
e
ir
is
in
to
a
2
0
x
2
4
0
=
4
,
8
0
0
b
it
tem
p
late.
T
h
er
e
f
o
r
e,
th
e
al
g
o
r
ith
m
r
eq
u
ir
es
4
,
8
0
0
iter
atio
n
s
o
f
t
h
i
s
p
r
o
ce
s
s
to
en
co
d
e
a
f
u
ll ir
is
i
m
ag
e
in
to
a
te
m
p
late.
Fig
u
r
e
8
.
R
id
g
e
E
n
er
g
y
D
ir
ec
tio
n
p
r
o
ce
s
s
f
o
r
g
en
er
ati
n
g
te
m
p
late
6.
T
E
M
P
L
AT
E
M
AT
CH
I
NG
T
h
e
tem
p
late
ca
n
n
o
w
b
e
co
m
p
ar
ed
w
it
h
t
h
e
s
to
r
ed
te
m
p
l
ate
u
s
i
n
g
Ha
m
m
i
n
g
d
is
ta
n
ce
(
HD)
as
th
e
m
ea
s
u
r
e
o
f
clo
s
e
n
es
s
(
7
)
W
h
er
e
te
m
p
lates
A
is
th
e
I
r
is
te
m
p
l
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7.
CO
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SI
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ce
s
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m
e
,
a
n
d
v
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v
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s
a.
RE
F
E
R
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NC
E
S
[1
]
J.
Da
u
g
m
a
n
,
"
Hig
h
Co
n
f
id
e
n
c
e
V
isu
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l
Re
c
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t
o
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tatisti
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l
In
d
e
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e
,
"
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E
T
ra
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In
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1
5
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No
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1
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p
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8
-
1
1
6
1
,
N
o
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e
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.
[2
]
R.
P
.
W
il
d
e
s,
"
Iris R
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:
An
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in
P
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p
.
1
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9
7
.
[3
]
W
.
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n
g
a
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d
D.
Zh
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c
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P
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tern
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Ho
n
g
Ko
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,
2
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0
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.
[4
]
J.
Da
u
g
m
a
n
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"
Ho
w
Iris
Re
c
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g
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it
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W
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s
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IEE
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T
ra
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sa
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Circ
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Vi
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.
1
4
,
N
o
.
1
,
p
p
.
2
1
-
3
0
,
2
0
0
4
.
[5
]
R.
W
.
Iv
e
s,
R.
P
.
Be
o
u
ss
a
rd
,
L
.
R.
Ke
n
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ll
,
R.
N.
Ra
k
v
ic,
D.
M
.
Et
ter,
"
Iris
Rec
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g
n
it
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u
sin
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th
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Ri
d
g
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En
e
rg
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Dire
c
ti
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n
(
RE
D)
Al
g
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rith
m
,
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n
P
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.
4
2
n
d
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n
n
.
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silo
m
a
r
Co
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f
.
S
ig
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s
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Co
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p
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,
P
a
c
if
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ro
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CA
,
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v
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2
0
0
8
.
Ho
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tal
f
ilter
Ver
tical f
ilter
Co
m
p
a
r
in
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G
e
n
e
r
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Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
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Ha
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27
[6
]
S
.
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G
.
M
a
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M
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,
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t.
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1
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2
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.
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P
.
,
.
A
.
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G
.
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ra
sh
a
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M
Ullag
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d
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i,
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P
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m
p
le
m
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n
tatio
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o
f
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h
m
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d
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u
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,
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ter
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o
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o
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e
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tro
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ms
(
IJ
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)
,
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1
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4
,
p
p
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7
2
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7
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0
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.
[8
]
R.
N.
Ra
k
v
ic,
B.
J.
Ulis,
R.
P
.
Bro
u
ss
a
rd
,
R.
W
.
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e
s,
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m
p
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n
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ra
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h
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d
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1
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6
.
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re
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e
B.
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c
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g
h
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d
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rsity
,
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q
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in
1
9
7
8
,
1
9
8
1
a
n
d
1
9
8
4
,
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sp
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ti
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e
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s b
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o
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ra
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u
a
te
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ies
a
n
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ff
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irs.
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tere
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re
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m
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g
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g
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i
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rs
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se
d
in
str
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tatio
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d
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ta
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p
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P
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b
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n
d
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ry
p
to
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ra
p
h
y
tec
h
n
iq
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e
s.
Evaluation Warning : The document was created with Spire.PDF for Python.