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)
.
T
h
er
ef
o
r
e,
th
e
ar
ter
y
is
r
ec
o
g
n
ized
w
h
e
n
th
e
b
o
u
n
d
ar
ies o
f
th
e
n
ea
r
an
d
f
ar
w
al
l e
n
d
o
th
el
iu
m
h
av
e
b
e
en
tr
ac
ed
[
3
]
.
T
h
er
e
h
av
e
b
ee
n
ef
f
o
r
ts
to
ex
tr
ac
t
th
e
tar
g
et
v
es
s
el
au
to
m
at
icall
y
w
it
h
f
ee
d
-
f
o
r
w
ar
d
ac
tiv
e
co
n
to
u
r
(
s
n
a
k
e)
[
7
]
o
r
w
it
h
a
p
r
o
b
ab
ilis
tic
ap
p
r
o
ac
h
to
t
h
e
co
m
p
u
te
r
ized
tr
ac
k
in
g
o
f
ar
ter
ial
w
all
s
[
8
]
a
m
o
n
g
o
t
h
er
s
.
Ho
w
e
v
er
,
th
o
s
e
b
ased
o
n
ed
g
e
d
etec
tio
n
,
ar
e
p
ar
ticu
lar
l
y
v
u
l
n
er
ab
le
to
s
p
ec
k
le
n
o
is
e.
Gen
er
all
y
,
ed
g
e
i
s
d
etec
ted
ac
co
r
d
in
g
to
alg
o
r
ith
m
s
s
u
c
h
as
So
b
el,
R
o
b
er
ts
,
P
r
ew
itt,
C
an
n
y
,
an
d
L
OG
(
L
ap
lacia
n
o
f
Ga
u
s
s
ian
)
o
p
er
ato
r
s
[
9
]
.
Ho
w
e
v
er
,
th
e
d
r
a
w
b
ac
k
o
f
s
u
c
h
m
eth
o
d
i
s
also
w
ell
s
tu
d
ied
a
s
th
e
y
co
n
s
is
t
o
f
h
i
g
h
p
as
s
f
il
ter
in
g
,
w
h
ic
h
ar
e
n
o
t
ap
p
r
o
p
r
iate
f
o
r
n
o
is
e
u
ltra
s
o
u
n
d
i
m
a
g
e
e
d
g
e
d
etec
tio
n
[
1
0
]
.
An
u
ltra
s
o
u
n
d
i
m
ag
e
in
cl
u
d
es
m
o
r
e
n
o
is
e
co
n
ten
t,
esp
ec
iall
y
s
p
ec
k
le
n
o
is
e,
t
h
an
a
n
y
o
th
er
i
m
a
g
in
g
m
o
d
alit
y
.
Sp
ec
k
le
is
th
e
ar
ti
f
ac
t
ca
u
s
ed
b
y
in
ter
f
er
en
ce
o
f
e
n
er
g
y
f
r
o
m
r
a
n
d
o
m
l
y
d
is
tr
ib
u
ted
s
ca
tte
r
in
g
o
b
j
ec
ts
w
h
ic
h
r
ed
u
ce
s
i
m
a
g
e
r
eso
lu
tio
n
a
n
d
co
n
tr
ast
an
d
b
lu
r
s
ess
e
n
tial
d
etails.
T
h
er
ef
o
r
e,
s
p
ec
k
le
n
o
is
e
s
u
p
p
r
ess
io
n
is
a
n
i
m
p
o
r
tan
t
r
eq
u
ir
e
m
e
n
t
w
h
e
n
ev
er
u
l
tr
aso
u
n
d
i
m
ag
in
g
i
s
u
s
ed
[
1
1
]
.
W
ith
in
th
e
li
m
ita
tio
n
s
o
f
s
u
c
h
ed
g
e
d
etec
tio
n
b
ased
alg
o
r
ith
m
s
,
a
s
tu
d
y
tr
ies
to
f
i
n
d
th
e
b
est
co
m
b
i
n
atio
n
o
f
d
etec
tio
n
alg
o
r
ith
m
,
w
ith
s
p
ec
k
l
e
r
ed
u
cin
g
an
i
s
o
tr
o
p
ic
d
if
f
u
s
io
n
[
1
2
]
.
I
n
th
is
p
ap
er
,
w
e
f
o
c
u
s
o
n
ex
tr
ac
ti
n
g
b
r
ac
h
ial
ar
ter
y
au
to
m
at
icall
y
w
it
h
m
o
r
e
n
o
is
e
-
to
ler
a
n
t
in
telli
g
e
n
t
al
g
o
r
ith
m
.
W
e
p
r
o
p
o
s
e
a
p
ix
el
cl
u
s
ter
in
g
s
tr
ate
g
y
in
ex
tr
ac
tin
g
tar
g
et
b
r
ac
h
i
al
ar
ter
y
ar
ea
f
r
o
m
u
ltra
s
o
n
o
g
r
ap
h
y
w
it
h
F
u
zz
y
C
-
m
ea
n
s
(
FC
M)
al
g
o
r
ith
m
.
Fu
z
z
y
C
-
Me
a
n
s
(
F
C
M)
cl
u
s
ter
i
n
g
is
an
u
n
s
u
p
er
v
is
e
d
tech
n
iq
u
e
t
h
at
class
if
ie
s
th
e
i
m
ag
e
b
y
g
r
o
u
p
i
n
g
s
i
m
i
lar
d
ata
p
o
in
ts
in
t
h
e
f
ea
t
u
r
e
s
p
ac
e
in
to
clu
s
ter
s
.
T
h
is
clu
s
ter
i
n
g
is
ac
h
ie
v
ed
b
y
iter
at
iv
el
y
m
in
i
m
izin
g
a
co
s
t
f
u
n
cti
o
n
th
at
is
d
ep
en
d
e
n
t
o
n
t
h
e
d
is
tan
ce
o
f
th
e
p
i
x
el
s
to
th
e
clu
s
ter
ce
n
ter
s
in
t
h
e
f
e
atu
r
e
d
o
m
a
in
.
F
C
M
h
a
s
s
h
o
wn
its
ef
f
ec
t
iv
e
n
es
s
esp
ec
ial
l
y
i
n
s
eg
m
e
n
tatio
n
i
n
m
an
y
e
n
g
i
n
ee
r
i
n
g
ar
ea
s
a
s
w
e
ll
as
m
ed
ical
d
o
m
ai
n
.
A
s
p
ec
i
al
t
y
p
e
o
f
FC
M
h
as
b
ee
n
ap
p
lied
to
ca
r
o
ti
d
ar
ter
y
s
eg
m
e
n
tatio
n
[
1
3
]
b
u
t
th
a
t
alg
o
r
ith
m
i
s
co
u
p
led
w
it
h
o
th
er
s
p
ec
ial
i
m
a
g
e
p
r
o
ce
s
s
in
g
s
tr
ate
g
ies
t
h
u
s
m
a
y
n
o
t
b
e
u
s
ed
in
o
t
h
er
ar
ea
s
o
f
ap
p
licatio
n
.
T
h
u
s
,
w
e
k
ee
p
t
h
e
F
C
M
v
er
s
io
n
o
f
o
u
r
o
w
n
ap
p
li
ca
tio
n
u
s
ed
in
o
t
h
er
m
ed
ical
i
m
ag
i
n
g
an
al
y
s
is
[
1
4
]
.
2.
P
RO
P
O
SE
D
M
E
T
H
O
D
O
F
B
RACH
I
AL
AR
T
E
RY
S
E
G
M
E
NT
AT
I
O
N
I
n
o
r
d
er
to
ex
tr
ac
t
th
e
b
r
ac
h
ia
l
ar
ter
y
,
w
e
n
ee
d
to
en
h
an
ce
t
h
e
in
te
n
s
it
y
co
n
tr
ast
to
d
if
f
er
n
ciate
t
h
e
tar
g
et
ar
ea
f
r
o
m
o
th
er
ar
ea
.
T
h
e
p
r
o
ce
s
s
ca
n
b
e
s
u
m
m
ar
ized
as sh
o
w
n
i
n
Fi
g
u
r
e
1
.
T
h
e
r
eg
io
n
o
f
in
ter
est
(
R
OI
)
w
h
er
e
th
e
b
r
ac
h
ia
l
ar
ter
y
ex
i
s
ts
is
m
ar
k
ed
as
a
tr
ap
ez
o
id
as
s
h
o
w
n
in
Fig
u
r
e
2
(
a)
.
I
n
o
r
d
er
t
o
en
h
an
ce
th
e
in
ten
s
u
t
y
co
n
tr
ast,
w
e
ap
p
ly
Mi
n
-
Ma
x
b
in
ar
izatio
n
a
n
d
th
e
i
n
p
u
t
o
m
ag
e
is
ch
a
n
g
e
s
as s
h
o
w
n
in
F
ig
u
r
e
2
(
b
)
.
Fig
u
r
e
1
.
P
r
o
ce
s
s
f
o
r
ex
tr
ac
tin
g
b
r
ac
h
ial
ar
ter
y
I
n
o
r
d
er
to
ex
tr
ac
t
th
e
o
b
j
ec
t
in
t
h
e
i
m
ag
e,
w
e
ap
p
l
y
4
-
d
ir
e
ctio
n
al
co
n
to
u
r
tr
ac
k
i
n
g
alg
o
r
ith
m
w
it
h
m
as
k
s
s
h
o
w
n
i
n
Fi
g
u
r
e
3
.
T
h
en
th
e
lab
elin
g
al
g
o
r
ith
m
is
a
p
p
lied
to
f
o
r
m
a
s
et
o
f
o
b
h
ec
t
s
f
o
u
n
d
i
n
th
e
R
OI
.
On
l
y
t
h
e
lar
g
est
o
b
j
ec
t
in
t
h
at
ar
ea
ca
n
b
e
th
e
ca
n
d
id
ate
o
f
b
r
ac
h
ial
ar
ter
y
.
S
m
all
o
b
jects
i
n
t
h
e
ar
ea
ar
e
r
e
m
o
v
ed
as n
o
i
s
e.
A
f
t
e
r
a
p
p
l
y
i
n
g
M
i
n
-
M
a
x
b
i
n
a
r
i
z
a
t
i
o
n
a
n
d
c
o
n
t
o
u
r
t
r
a
c
k
i
n
g
a
l
g
o
r
i
t
h
m
,
w
e
c
a
n
l
o
c
a
l
i
z
e
t
h
e
c
a
n
d
i
d
a
t
e
r
e
g
i
o
n
o
f
t
a
r
g
e
t
b
r
a
c
h
i
a
l
a
r
t
e
r
y
a
s
s
h
o
w
n
i
n
F
i
g
u
r
e
4
(
a
)
.
F
r
o
m
t
h
e
r
e
,
w
e
a
p
p
l
y
F
C
M
i
n
q
u
a
n
t
i
z
a
t
i
o
n
p
r
o
c
e
d
u
r
e
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
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p
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n
g
,
Vo
l.
8
,
No
.
2
,
Feb
r
u
ar
y
2
0
1
8
:
6
3
8
–
6
4
2
640
(a
)
ROI
(b
)
M
a
x
-
M
in
b
i
n
a
riza
ti
o
n
Fig
u
r
e
2
.
T
h
e
ef
f
ec
t o
f
b
in
ar
iz
ar
io
n
A
B
X
Y
(
a)
2
×2
m
ask
D
i
r
e
c
t
i
o
n
A
B
X
Y
F
o
r
w
a
r
d
1
0
A
B
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i
g
h
t
0
1
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i
g
h
t
1
1
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t
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(
b
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4
-
d
iectio
n
al
co
n
to
u
r
p
r
o
ce
ed
in
g
r
u
les
Fig
u
r
e
3
.
Settin
g
s
f
o
r
co
n
to
u
r
tr
ac
in
g
(a
)
Ca
n
d
id
a
te I
n
p
u
t
(b
)
A
f
ter F
CM
Fig
u
r
e
4
.
Ob
j
ec
t e
x
tr
ac
tio
n
b
y
FC
M
FC
M
i
s
a
clu
s
ter
i
n
g
m
et
h
o
d
w
h
ic
h
allo
w
s
o
n
e
p
iece
o
f
d
ata
to
b
elo
n
g
to
t
w
o
o
r
m
o
r
e
clu
s
ter
s
d
ep
en
d
in
g
o
n
t
h
e
d
eg
r
ee
o
f
m
e
m
b
er
s
h
ip
to
ea
ch
clu
s
ter
.
Fo
r
n
d
ata
v
ec
to
r
s
,
w
e
m
a
y
h
av
e
c
f
u
zz
y
clu
s
ter
s
(
c
<
n
)
an
d
ea
ch
v
ec
to
r
is
clas
s
if
ied
i
n
to
th
e
cl
u
s
ter
w
h
o
s
e
m
e
m
b
er
s
h
ip
d
eg
r
ee
is
t
h
e
h
ig
h
e
s
t.
L
et
U
r
b
e
th
e
r
th
v
er
s
io
n
o
f
t
h
e
m
e
m
b
er
s
h
ip
f
u
n
ct
io
n
an
d
m
b
e
th
e
w
ei
g
h
ti
n
g
e
x
p
o
n
en
t
th
en
FC
M
p
r
o
ce
d
u
r
e
ca
n
b
e
s
u
m
m
ar
ized
as f
o
llo
w
s
;
Ste
p
1
:
C
o
m
p
u
te
t
h
e
ce
n
tr
o
id
o
f
a
cl
u
s
ter
is
th
e
m
ea
n
o
f
all
p
o
in
t
s
,
w
ei
g
h
ted
b
y
th
eir
d
eg
r
ee
o
f
b
elo
n
g
i
n
g
to
t
h
e
clu
s
ter
as s
h
o
w
n
i
n
f
o
r
m
u
la
(
1
)
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2
0
8
8
-
8708
A
u
to
ma
tic
S
eg
men
t
a
tio
n
o
f
B
r
a
ch
ia
l A
r
tery b
a
s
ed
o
n
F
u
z
z
y
C
-
Mea
n
s
P
ixel
C
lu
s
te
r
in
g
….
(
Jo
o
n
s
u
n
g
P
a
r
k
)
641
(
1
)
w
h
er
e
i
d
en
o
te
th
e
cl
u
s
ter
n
u
m
b
er
,
j
d
en
o
tes t
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[1
]
E.
N.
M
a
rieb
,
W
il
h
e
lm
P
B,
M
a
ll
a
tt
J.
Hu
m
a
n
a
n
a
to
my
.
P
e
a
rs
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n
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2
0
1
4
.
[2
]
“
Bra
c
h
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A
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y
In
ju
ry
S
y
m
p
to
m
s
a
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T
r
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In
Bra
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le:
h
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tm
l
[3
]
M
.
A
.
S
a
n
c
h
e
z
-
S
a
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tan
a
,
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t
a
l.
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to
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o
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Un
ive
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l.
1
9
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p
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.
1
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.
[4
]
M
.
S
o
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k
a
,
e
t
a
l.
,
“
A
u
to
m
a
ted
a
n
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l
y
sis
o
f
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ra
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u
n
d
im
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g
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q
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s:
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th
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li
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l
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n
,
”
IEE
E
tra
n
sa
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ti
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me
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in
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p
p
.
1
2
7
1
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7
9
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2
.
[5
]
D.
N.
P
u
g
li
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se
,
e
t
a
l.
,
“
F
e
e
d
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c
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3
1
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.
[6
]
S
.
Ro
sa
ti
,
e
t
a
l.
,
“
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se
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.
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.
[7
]
T
.
W
.
Ca
r
y
,
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t
a
l.
,
“
Bra
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ial
a
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ry
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so
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tran
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lt
ra
so
u
n
d
,
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M
e
d
ica
l
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sic
s
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v
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l.
4
1
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o
.
2
,
2
0
1
4
.
[8
]
B.
Ka
n
b
e
r
a
n
d
K.
V.
Ra
m
n
a
rin
e
,
“
A
p
ro
b
a
b
il
isti
c
a
p
p
r
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a
c
h
t
o
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o
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p
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teriz
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d
trac
k
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o
f
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rteria
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w
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ll
s
in
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lt
ra
so
u
n
d
im
a
g
e
se
q
u
e
n
c
e
s,”
IS
RN
S
ig
n
a
l
P
ro
c
e
ss
in
g
,
v
o
l.
2
0
1
2
,
2
0
1
2
.
[9
]
V
.
G
.
Na
re
n
d
ra
a
n
d
K.
S
.
H
a
re
e
sh
a
,
“
S
tu
d
y
a
n
d
Co
m
p
a
riso
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o
f
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rio
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s
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D
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tec
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Qu
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ty
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Ev
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g
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ra
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F
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ts
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ter v
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,
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In
ter
n
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t
io
n
a
l
J
o
u
r
n
a
l
o
f
Ag
ric
u
lt
u
ra
l
&
Bi
o
lo
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ic
a
l
E
n
g
i
n
e
e
rin
g
,
v
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l
.
4
,
n
o
.
2
,
p
p
.
8
3
-
9
0
,
2
0
1
1
.
[1
0
]
M
.
Ku
m
a
r
a
n
d
R.
S
a
x
e
n
a
,
“
A
l
g
o
rit
h
m
a
n
d
tec
h
n
i
q
u
e
o
n
v
a
rio
u
s
e
d
g
e
d
e
tec
ti
o
n
:
A
su
rv
e
y
,
”
S
ig
n
a
l
&
Ima
g
e
Pro
c
e
ss
in
g
,
v
o
l
.
4
,
n
o
.
3
,
p
p
.
6
5
,
2
0
1
3
.
[1
1
]
J.
L
.
M
a
t
e
o
a
n
d
A
.
F
e
rn
á
n
d
e
z
-
Ca
b
a
ll
e
ro
,
“
F
in
d
in
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o
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t
g
e
n
e
ra
l
ten
d
e
n
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ies
in
sp
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o
ise
re
d
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in
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lt
ra
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Exp
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[1
2
]
M
.
Ra
f
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ti
,
e
t
a
l.
,
“
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m
p
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riso
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o
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im
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g
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ro
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ial
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d
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c
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a
n
is
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tro
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d
if
f
u
sio
n
f
il
ter,”
Ira
n
i
a
n
Red
Cre
sc
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n
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643
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4
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K.
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Kim
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rm
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ti
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s,
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n
d
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g
e
p
ro
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e
ss
in
g
.
Evaluation Warning : The document was created with Spire.PDF for Python.