I
n
t
ern
a
t
i
o
n
a
l
J
o
u
rn
a
l
o
f
E
l
ect
ri
ca
l
a
n
d
C
o
m
p
u
t
er E
n
g
i
n
eeri
n
g
(
I
J
E
C
E
)
V
o
l.
8
,
No
.
5
,
O
c
t
obe
r
20
1
8
,
p
p.
27
80~
2
787
I
S
S
N
:
2088
-
8708
,
D
O
I
:
10.
11
591/
i
j
ece
.
v8
i
5
.
pp
278
0
-
2787
2780
Jou
r
n
al
h
om
e
p
age
:
h
ttp
:
//ia
e
s
c
o
r
e
.
c
o
m/
j
our
nal
s
/
i
nde
x
.
php/
I
J
E
C
E
Wa
v
e
F
ile
F
ea
t
ur
es
E
x
t
ra
ct
io
n
us
in
g
Reduced
LBP
Aw
s
Al
-
Qa
i
s
i
1
,
Sa
l
e
h A
.
K
h
a
w
a
t
reh
2
,
A
h
m
a
d A
.
Sha
r
a
dq
a
h
3
,
Z
i
a
d A
.
A
l
qa
di
4
1
D
ep
ar
t
m
e
nt
of
C
om
m
uni
c
a
t
i
on
E
ng
i
ne
e
r
i
ng
,
F
a
c
ul
t
y
of
E
ng
i
ne
e
r
i
ng
T
e
c
hnol
og
y
,
A
l
-
B
a
lq
a
A
p
p
lie
d
U
n
iv
e
r
s
ity
,
Y
or
da
ni
a
2
D
ep
ar
t
m
en
t
o
f
C
om
put
e
r
E
ng
i
ne
e
r
i
ng
,
Al
-
A
h
l
i
y
y
a
A
m
m
an
U
n
i
v
er
s
i
t
y
,
Y
or
da
ni
a
3
,4
C
om
put
e
r
E
ng
i
ne
e
r
i
ng
D
e
pa
r
t
m
e
nt
,
F
a
c
ul
t
y
of
E
ng
i
ne
e
r
i
ng
T
e
c
hno
l
og
y
,
a
t
A
l
-
B
a
l
qa
A
ppl
i
e
d U
ni
v
e
r
s
i
t
y
,
Y
or
da
ni
a
A
rt
i
cl
e I
n
f
o
AB
S
T
RAC
T
A
r
tic
le
h
is
to
r
y
:
R
ecei
v
ed
N
ov
29
,
201
7
Re
v
i
se
d
Fe
b
6
,
201
8
A
ccep
t
ed
A
ug
21
,
201
8
I
n t
hi
s
w
or
k
,
w
e
pr
e
s
e
nt
a
nov
e
l
a
ppr
oa
c
h f
or
e
x
t
r
a
c
t
i
ng
f
e
a
t
ur
e
s
of
a
di
g
ita
l
w
a
v
e
f
i
l
e.
T
h
i
s
ap
p
r
o
ach
w
i
l
l
b
e p
r
es
en
t
ed
,
i
m
p
l
em
en
t
ed
an
d
t
es
t
ed
.
A
s
i
g
n
at
u
r
e o
r
a k
e
y
t
o
an
y
w
av
e
f
i
l
e w
i
l
l
b
e
cr
eat
ed
.
T
h
i
s
s
i
g
n
at
u
r
e
w
i
l
l
b
e
r
e
d
u
c
e
d
t
o
m
in
im
iz
e
th
e
e
f
f
o
r
ts
o
f
d
ig
ita
l s
ig
n
a
l p
r
o
c
e
s
s
in
g
a
p
p
lic
a
tio
n
s
.
H
en
ce,
t
h
e f
eat
u
r
es
ar
r
a
y
can
b
e u
s
ed
as
k
e
y
t
o
r
eco
v
er
a w
av
e
f
i
l
e f
r
o
m
a
d
at
ab
as
e co
n
s
i
s
t
i
n
g
o
f
s
ev
er
al
w
a
v
e
f
i
l
es
u
s
i
n
g
r
ed
u
ced
L
o
cal
b
i
n
a
r
y
p
at
t
er
n
s
(
R
L
B
P
)
.
E
x
p
er
i
m
en
t
al
r
es
u
l
t
s
ar
e p
r
es
en
t
ed
an
d
s
h
o
w
t
h
at
T
he
pr
op
os
e
d
R
L
B
P
m
et
h
o
d
i
s
at
l
eas
t
3
t
i
m
es
f
as
t
er
t
h
an
C
S
L
B
P
m
et
h
o
d
,
w
h
i
ch
m
ean
t
h
at
t
he
pr
op
os
e
d m
e
t
ho
d
i
s
m
o
r
e ef
f
i
ci
en
t
.
Ke
y
wo
rd
:
C
S
L
B
P
DW
F
FA
L
B
P
R
L
B
P
C
opy
r
i
g
ht
©
201
8
I
ns
t
i
t
ut
e
o
f
A
d
v
anc
e
d E
ngi
ne
e
r
i
ng
an
d
Sc
i
e
nc
e
.
A
l
l
ri
g
h
t
s re
se
rv
e
d
.
Co
rre
sp
o
n
d
i
n
g
Au
t
h
o
r
:
A
ws
Al
-
Q
a
is
i
,
D
ep
ar
t
m
e
nt
o
f
C
o
m
m
u
n
i
c
a
t
i
o
n E
n
gi
ne
e
r
i
n
g,
Fa
c
ul
t
y o
f
E
ngi
ne
e
r
i
ng T
e
c
hn
o
l
o
g
y
,
Al
-
B
a
l
qa
A
ppl
i
e
d U
n
i
ve
r
s
i
t
y
,
Y
o
r
d
an
i
a.
E
m
a
il: a
w
s
.
a
lq
a
is
i
@
b
a
u
.
e
d
u
.
j
o
1.
I
NT
RO
D
UCT
I
O
N
T
h
e D
i
g
i
t
al
w
a
v
e
f
i
l
e (
D
W
F
)
r
ep
r
es
en
t
s
t
h
e
s
a
m
p
l
ed
a
n
d
q
u
a
n
t
i
zed
s
o
u
n
d
w
a
v
e
w
h
i
c
h
h
ap
p
en
s
t
o
b
e
a
bov
e
or
be
l
ow
t
h
e
e
q
u
i
l
i
br
i
um
or
a
m
bi
e
n
t
a
i
r
p
re
s
s
u
re
[1
],
[2
].
T
h
e
s
a
m
p
l
ed
v
al
u
es
ar
e
o
r
g
an
i
zed
i
n
o
n
e
c
ol
um
n
(
f
or
m
o
n
o D
W
F
)
or
i
n
t
w
o c
ol
um
ns
(
f
or
s
t
e
r
e
o D
W
F
)
,
s
o
w
e
c
a
n
de
a
l
w
i
t
h
D
W
F
a
s
a
m
a
t
r
i
x
w
hi
c
h
c
o
ns
i
s
t
s
o
f
p
o
s
i
t
i
ve
a
nd
ne
ga
t
i
ve
va
l
ue
s
o
ve
r
t
he
i
t
s
e
nt
i
r
e
r
a
nge
o
f
s
a
m
p
l
e
s
[
3
]
,
[
4
]
,
[
5]
.
F
i
gur
e
1
sh
o
w
s
s
o
m
e
s
a
m
p
l
es
o
f
a D
W
F
,
w
h
i
l
e t
h
e
F
i
g
ur
e
2
s
ho
w
s
t
he
w
a
ve
o
f
a
D
W
F
.
F
i
gu
r
e
1.
S
a
m
pl
e
s
of
D
W
F
Evaluation Warning : The document was created with Spire.PDF for Python.
In
t
J
E
l
e
c
&
C
o
m
p
E
n
g
I
S
S
N
:
2088
-
8708
W
av
e
F
i
l
e
F
e
at
ur
e
s
E
x
t
r
ac
t
i
on us
i
ng R
e
d
uc
e
d L
B
P
(
A
ws
A
l
-
Q
a
i
s
i
)
2781
F
i
gu
r
e
2.
S
a
m
pl
e
s
of
D
W
F
O
n
e o
f
t
h
e
m
o
s
t
u
s
ed
ap
p
l
i
cat
i
o
n
s
i
n
v
o
l
v
ed
w
i
t
h
D
W
F
p
r
o
ces
s
i
n
g
i
s
v
o
i
ce r
eco
g
n
i
t
i
o
n
.
H
en
ce,
m
o
s
t
o
f t
h
e
s
e
ap
p
l
i
cat
i
o
n
s
u
s
e t
h
e n
at
u
r
e o
f
D
W
F
t
o
e
x
t
r
act
v
o
i
ce f
eat
u
r
e b
y
m
ea
n
o
f
cal
cu
l
at
i
n
g
s
e
v
er
al
p
ar
am
et
er
s
l
i
k
e zer
o
-
cr
o
s
s
i
n
g
,
d
y
n
a
m
i
c r
an
g
e a
n
d
p
eak
v
al
u
e [
6
]
,
[
7
]
,
[
1
5
]
.
C
al
cu
l
at
i
n
g
t
h
e
s
e p
ar
a
m
et
er
s
r
e
q
ui
r
e
und
e
r
s
t
a
nd
i
ng
t
he
vo
i
c
e
na
t
ur
e
,
a
nd
s
o
m
e
t
i
m
e
t
he
y
d
o
n
o
t
g
i
v
e a
n
accep
t
ab
l
e r
eco
g
n
i
t
i
o
n
r
at
i
o
i
f
w
e
us
e
t
he
m
t
o
r
e
c
o
gni
z
e
t
he
vo
i
c
e
[6
],
[7
],
[8
].
T
o
a
v
oi
d t
h
e
a
bov
e
m
e
n
t
i
on
e
d
w
e
a
kn
e
s
s
,
w
e
pr
opos
e
a
m
e
t
hod w
h
i
c
h
c
a
n
de
a
l
w
i
t
h
D
W
F
u
s
i
ng
t
w
o
di
m
e
ns
i
on
a
l
m
a
t
r
i
x
.
T
h
i
s
c
a
n
be
don
e
by
c
onv
e
r
t
i
ng
t
h
e
one
or
t
w
o c
ol
um
n
v
oi
c
e
a
r
r
a
y
t
o t
w
o di
m
e
n
s
i
o
n
a
l
ma
t
r
i
x
w
i
t
h
m
u
l
t
i
p
l
e r
o
w
s
a
n
d
co
l
u
m
n
s
.
H
e
n
ce,
t
h
e D
W
F
can
b
e r
ep
r
es
en
t
e
d
a
s
a
gr
a
y
i
m
a
ge
,
a
s
s
ho
w
n i
n
F
i
g
ur
e
3.
F
i
g
u
r
e 3
.
P
ar
t
o
f
D
W
F
r
ep
r
es
en
t
ed
b
y
m
at
r
i
x
I
n
t
h
i
s
p
ap
er
,
o
n
ce
t
h
e D
W
F
i
s
co
n
v
er
t
ed
t
o
a
m
at
r
i
x
,
t
h
e
n
t
he
f
e
a
t
ur
e
s
o
f
D
W
F
can
b
e
o
b
t
ai
n
ed
us
i
n
g t
he
ne
i
ghb
o
r
ho
o
d
c
o
nc
e
p
t
s
,
b
y
c
o
ns
i
d
e
r
i
n
g
t
he
p
o
i
nt
i
n t
he
c
e
nt
e
r
a
nd
t
he
p
o
i
nt
ne
i
ghb
o
r
s
a
s
s
ho
w
n
i
n
F
i
g
ur
e
4
.
T
h
is
te
c
h
n
iq
u
e
is
c
a
lle
d
lo
c
a
l b
in
a
r
y
p
a
tte
r
n
(
L
B
P
)
[
9
]
.
L
B
P
c
om
pu
t
e
s
bi
n
a
r
y
num
be
r
s
b
y
l
a
be
l
i
n
g
t
he
p
i
xe
l
s
o
f
a
n i
m
a
ge
t
hr
o
u
g
h t
hr
e
s
ho
l
d
i
n
g t
he
3
x3
-
ne
i
g
hb
o
r
ho
o
d
o
f
e
a
c
h p
i
xe
l
w
i
t
h t
he
c
e
nt
e
r
va
l
ue
.
T
he
p
r
o
ced
u
r
es
o
f
cal
cu
l
at
i
n
g
t
h
e
s
e p
at
t
er
n
s
ar
e s
h
o
w
n
i
n
F
i
g
ur
e
s
5
a
nd
F
i
g
ur
e
6
[
10]
,
[
11]
,
[
14]
.
F
i
gur
e
7
s
ho
w
s
an
ex
a
m
p
l
e o
f
cal
c
u
l
at
i
n
g
L
B
P
f
o
r
a m
at
r
i
x
.
0
1
2
3
4
5
6
7
8
x
1
0
4
-
0.
2
-
0
.
15
-
0.
1
-
0
.
05
0
0
.
05
0.
1
0
.
15
T
i
me
A
m
pl
i
t
ude
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SSN
:
20
88
-
8708
In
t
J
E
l
e
c
&
C
o
m
p
E
n
g
,
V
o
l.
8
, N
o
.
5
,
O
c
t
obe
r
20
18
:
278
0
-
2787
2782
F
i
gu
r
e
4.
P
oi
n
t
n
e
i
gh
bor
h
ood
F
i
g
u
r
e 5
.
G
en
er
at
i
n
g
b
i
n
ar
y
p
at
t
er
n
F
i
gu
r
e
6.
L
B
P
cal
cu
l
at
i
o
n
p
r
o
ced
u
r
es
Evaluation Warning : The document was created with Spire.PDF for Python.
In
t
J
E
l
e
c
&
C
o
m
p
E
n
g
I
S
S
N
:
2088
-
8708
W
av
e
F
i
l
e
F
e
at
ur
e
s
E
x
t
r
ac
t
i
on us
i
ng R
e
d
uc
e
d L
B
P
(
A
ws
A
l
-
Q
a
i
s
i
)
2783
F
i
gu
r
e
7.
L
B
P
c
a
lc
u
la
tio
n
e
x
a
m
p
le
U
s
i
n
g
t
h
e
L
B
P
m
et
h
o
d
t
o
cr
eat
e f
eat
u
r
es
f
o
r
s
i
g
n
al
r
eco
g
n
i
t
i
o
n
l
ead
s
to
e
x
tr
a
e
f
f
o
r
ts
b
e
c
a
u
s
e
th
e
s
iz
e
o
f
t
h
e
g
en
er
at
ed
f
eat
u
r
es
ar
r
a
y
i
s
v
er
y
b
i
g
an
d
i
t
co
n
t
ai
n
s
2
5
6
en
t
r
i
es
(
r
ep
et
i
t
i
o
n
s
f
o
r
t
h
e v
al
u
es
f
r
o
m
0
t
o
2
5
5
)
[1
0
].
T
o
m
i
n
i
m
i
ze t
h
e n
u
m
b
e
r
o
f
en
t
r
i
es
i
n
t
h
e
f
eat
u
r
e
s
ar
r
a
y
w
e ca
n
u
s
e ce
n
t
er
s
y
m
m
et
r
i
c L
B
P
(
C
S
L
B
P
)
wh
i
c
h
can
g
e
n
er
at
e a f
eat
u
r
es
ar
r
ay
w
i
t
h
1
6
en
t
r
i
e
s
[
1
1
]
,
[
1
2
]
,
[
1
3
]
.
T
h
e p
r
o
ce
d
u
r
e o
f
c
a
lc
u
la
ti
n
g
C
S
L
B
P
is
s
ho
w
n i
n
F
i
g
ur
e
8
,
w
hi
l
e
t
he
F
i
g
ur
e
9
s
ho
w
s
a
n e
xa
m
p
l
e
o
f
c
a
l
c
ul
a
t
i
ng
C
S
L
B
P
.
I
t
c
a
n b
e
s
ho
w
n
f
r
o
m
F
i
g
ur
e
9
t
h
at
t
h
e
C
S
L
B
P
r
ed
u
ces
t
h
e f
eat
u
r
e ar
r
a
y
e
n
t
r
i
es
t
o
1
6
.
H
en
ce,
t
h
e
C
S
L
B
P
m
i
n
i
m
i
z
e t
h
e r
eq
u
i
r
e
m
e
n
t
s
n
e
e
de
d t
o a
ppl
y
v
oi
c
e
r
e
c
ogn
i
t
i
on
pr
oc
e
s
s
.
F
i
gu
r
e
8.
P
r
o
ce
d
u
r
es
t
o
cal
cu
l
at
e C
S
L
B
P
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SSN
:
20
88
-
8708
In
t
J
E
l
e
c
&
C
o
m
p
E
n
g
,
V
o
l.
8
, N
o
.
5
,
O
c
t
obe
r
20
18
:
278
0
-
2787
2784
F
ig
u
r
e
9
.
C
S
L
B
P
c
a
lc
u
la
tio
n
e
x
a
m
p
le
2.
P
R
OP
OS
E
D
M
E
T
HOD
T
h
e
pr
opos
e
d
m
e
t
h
od i
s
ba
s
e
d on
C
S
L
B
P
t
o
cr
eat
e a D
W
F
f
eat
u
r
es
ar
r
a
y
.
T
h
e
m
a
i
n c
o
nt
r
i
b
ut
i
o
n o
f
t
h
e
pr
opos
e
d
m
e
t
h
od l
a
y
i
n
r
e
du
c
i
ng
t
h
e
num
be
r
of
e
n
t
r
i
e
s
f
r
o
m
16 t
o
4 e
n
t
r
i
e
s
.
T
h
e o
b
t
a
i
n
ed
D
W
F
f
eat
u
r
e
s
a
r
r
a
y
b
y
pr
opos
e
d m
e
t
h
od c
a
n be
u
s
e
d f
or
v
a
r
i
ou
s
a
ppl
i
c
a
t
i
o
n
s
s
u
c
h
a
s
:
a.
I
d
e
nt
i
f
yi
ng t
he
vo
i
c
e
,
b
e
cau
s
e
t
h
e f
ea
t
u
r
e ar
r
a
y
i
s
a
u
n
i
q
u
e ar
r
ay
f
o
r
each
D
W
F
.
b.
U
s
i
n
g
f
eat
u
r
es
ar
r
a
y
as
a k
e
y
t
o
r
et
r
i
ev
e a
w
av
e
f
i
l
e
f
r
o
m
a d
at
ab
as
e co
n
s
i
s
t
i
n
g
o
f
s
ev
er
al
w
a
v
e f
i
l
es
.
c.
U
s
i
n
g
f
eat
u
r
es
ar
r
a
y
as
an
i
n
p
u
t
d
at
a s
et
t
o
an
y
r
eco
g
n
i
t
i
o
n
o
r
ex
p
er
t
s
y
s
t
e
m
.
d.
F
i
nd
i
ng
w
h
e
t
he
r
t
h
e D
W
F
i
s
d
i
s
r
u
p
t
ed
o
r
n
o
t
,
k
n
o
w
i
n
g
t
h
e a
ccu
r
at
e f
eat
u
r
es
ar
r
a
y
o
f
o
r
i
g
i
n
al
D
W
F
.
T
h
e
pr
opos
e
d m
e
t
h
od us
i
n
g
r
e
du
c
e
d L
B
P
c
a
n
be
i
m
pl
e
m
e
n
t
e
d by
a
ppl
y
i
n
g
t
h
e
f
ol
l
o
w
i
ng
s
t
e
ps
:
a.
Ge
t
DW
F
.
b.
G
e
t th
e
s
iz
e
o
f
th
e
D
W
F
a
r
r
a
y
(
r
: r
o
w
,
c
: c
o
lu
m
n
s
w
h
ic
h
is
a
l
w
a
y
s
1
f
o
r
m
o
n
o
f
i
l
e
s
or
2 f
or
s
t
e
r
e
o on
e
)
.
c.
R
es
h
ap
e t
h
e
m
at
r
i
x
o
f
D
W
F
t
o
o
n
e co
l
u
m
n
ar
r
a
y
(
R
)
.
d.
G
e
t M
a
s
a
m
u
ltip
lic
a
tio
n
o
f
r
a
n
d
c
.
e.
F
i
n
d S
a
s
a
f
l
oor
of
t
h
e
s
qu
a
r
e
r
oot
of
M
.
f.
Sq
u
a
r
e
S t
o
g
e
t
SS.
g.
G
et
a n
u
m
b
er
o
f
v
al
u
e
s
o
f
R
e
q
u
al
t
o
S
S
an
d
s
t
o
r
e t
h
e
m
i
n
R
R
ar
r
a
y
.
h.
R
es
h
ap
e
R
R
ar
r
a
y
t
o
a s
q
u
ar
e
m
at
r
i
x
(
M
R
)
(
w
i
t
h
r
o
w
s
=
S
,
an
d
co
l
u
m
n
s
=S
)
.
i.
I
n
i
t
i
al
i
ze
f
eat
u
r
es
ar
r
a
y
t
o
zer
o
(
F
A
=zer
o
s
(
4
,
1
)
)
.
j.
F
o
r
each
p
o
i
n
t
i
n
M
R
cal
cu
l
a
t
e t
h
e r
ed
u
ced
L
B
P
ap
p
l
y
i
n
g
t
h
e f
o
l
l
o
w
i
n
g
s
t
ep
s
a
s
s
ho
w
n i
n
F
i
g
ur
e
10:
1)
F
i
nd
a
t
hr
e
s
ho
l
d
va
l
ue
u
s
i
ng t
he
f
o
llo
w
i
n
g
f
o
r
m
u
la
:
T
=
(
I(i
,
j
+
1
) +
I(i
+
1
,
j
)+
I(i
,
j
-
1
)
+
I(i
-
1
,
j
)+
I
(i
+
1
,
j
+
1
)+
I(i
+
1
,
j
-
1
)
+
I(i
-
1
, j
-
1
)+
I
(i
-
1
,
j
+
1)
-
8
*
I(i
,
j
))
/
9
;
2)
F
i
nd
t
he
f
o
l
l
o
w
i
ng t
w
o
b
i
na
r
y
d
i
gi
t
s
A0
=
((I(i
,
j
+
1
) +
I(i
+
1
,
j
)
-
I(i
,
j
-
1)
-
I(i
-
1
,
j
)
> T
)
);
B0
=
((I
(i
+
1
,
j
+
1
)+
I(i
+
1
,
j
-
1
)
-
I
(i
-
1
,
j
-
1)
-
I(i
-
1,
j
+
1)
>
T
)
);
3)
G
e
t
t
he
i
nd
e
x o
f
F
A
a
s
:
I
F
A
=
A
0
*
2
^
0+
B
0*
2^
1
4)
In
c
re
m
e
n
t
F
A
(IF
A
=
1
) b
y
1
k.
S
av
e F
A
.
T
h
e
f
ol
l
o
w
i
n
g
M
a
t
l
a
b c
ode
w
a
s
w
r
i
t
t
e
n
t
o i
m
p
l
e
m
e
n
t
t
h
e
pr
opos
e
d m
e
t
h
od:
[
aa f
s
]
=
w
av
r
e
ad(
'
C
:
\
U
se
rs
\
wi
n
7
\
D
es
kt
o
p
\
vo
i
ce
\
h
o
r
se
.
wa
v
'
)
;
Evaluation Warning : The document was created with Spire.PDF for Python.
In
t
J
E
l
e
c
&
C
o
m
p
E
n
g
I
S
S
N
:
2088
-
8708
W
av
e
F
i
l
e
F
e
at
ur
e
s
E
x
t
r
ac
t
i
on us
i
ng R
e
d
uc
e
d L
B
P
(
A
ws
A
l
-
Q
a
i
s
i
)
2785
[
n1 n2
]
=
s
i
z
e
(
aa)
;
a1
=
r
e
s
hape
(
aa,
n1*n
2,
1)
;
b=
n
1*n
2;
b1=
f
l
oor
(
s
qr
t
(
b)
)
;
a2(
:
,
1)
=
a1(
1:
b1*b1
,
1)
;
I
=
r
e
s
hape
(
a2,
b1,
b
1)
;
si
z
e
(
I
)
h=
z
e
r
os
(
4,
1)
;
[
y
x
]
=
s
i
z
e
(I
);
fo
r
i=
2
:
y
-
1
fo
r
j=
2
:
x
-
1
T
=
(I
(i
,
j
+
1
)
+
I
(i
+
1
,
j
)+
I
(i
,
j
-
1
)+
I(
i
-
1
,
j
)
+I
(
i
+1
,
j
+1
)
+I
(
i
+1
,
j
-
1
)+
I
(i
-
1
, j
-
1
)
+
I(i
-
1,
j
+
1)
-
8
*
I
(
i,
j)
)
/9
;
%
keep
i
n
g
I
(
j
,
i
)
a
s
cen
t
er
w
e
co
m
p
u
t
e C
S
L
B
P
a
=
((I
(i
,
j
+
1
) +
I
(i
+
1
,
j
)
-
I
(i
,
j
-
1)
-
I
(i
-
1,
j
)
>
T
)
* 2^
0 )
;
b
=
((I
(i
+
1
,
j
+
1
)
+
I
(i
+
1
,
j
-
1
)
-
I
(i
-
1
, j
-
1)
-
I
(i
-
1,
j
+
1)
>
T
)
* 2^
1 )
;
e
=a
+b
;
h(
e
+
1)
=
h
(e
+
1
) +
1
;
en
d
en
d
h
O
n
e o
f
t
h
e s
a
m
p
l
e D
W
F
u
s
ed
i
n
t
h
e
i
m
p
le
m
e
n
ta
tio
n
p
r
o
c
e
s
s
s
iz
e
=
15547
*
2
t
he
n
f
i
x
(
s
qr
t
(
155
47
*
2)
)
=
176
V
o
i
ce m
at
r
i
x
s
i
ze=1
7
6
*
1
7
6
3.
RE
S
U
L
T
S
AND AN
AL
Y
S
I
S
I
n
t
h
i
s
s
ect
i
o
n
,
T
h
e
p
r
o
p
p
ed
m
et
h
o
d
w
a
s
i
m
p
l
e
m
en
t
ed
s
ev
er
al
t
i
m
es
u
s
i
n
g
v
ar
io
u
s
D
W
F
w
it
h
d
if
f
e
r
e
n
t s
iz
e
s
,
T
ab
l
e 1
s
h
o
w
s
s
o
me
i
mp
l
e
me
n
t
a
t
io
n
s
a
m
p
le
s
:
T
a
b
le
1
.
I
m
p
le
m
e
n
ta
tio
n
Sa
m
p
l
e
s
W
a
v
e
f
ile
S
i
ze(
b
y
t
e)
F
ea
t
u
r
es
1
(
bi
r
d
.
w
a
v
)
1
2
5
4
52
8
4
4
7
7
0
3
2
9
0
9
3
2
4
4
5
4
5
1
1
2
2
(
co
w
.w
av
)
4
9
5
4
24
1
8
1
4
8
1
1
2
1
3
1
1
9
6
3
1
9
1
9
2
3
(
co
w
2
.w
av
)
2
7
9
9
04
1
1
4
9
9
6
3
1
6
6
3
5
1
1
0
0
5
9
4
(
d
o
g.
w
a
v
)
7
3
7
1
04
2
8
2
2
0
1
6
8
1
7
1
6
7
5
3
2
8
8
1
1
5
(
d
o
l
p
h
i
n
.
w
a
v
)
6
2
8
7
04
2
3
7
0
6
1
5
0
4
6
1
4
9
0
6
2
3
6
2
6
6
(
d
o
nk
e
y
.
w
a
v)
1
9
0
3
90
4
7
3
2
1
6
4
3
5
5
5
4
3
2
2
1
7
5
2
3
3
7
(
d
u
c
k
.
w
a
v
)
3
2
8
8
57
6
1
2
2
6
18
8
1
5
4
3
8
1
3
3
4
1
2
2
8
26
8
(
e
l
e
p
h
an
t
.w
av
)
3
6
0
2
72
1
4
0
8
2
8
0
9
4
7
8
4
7
1
4
0
7
7
9
(
h
o
r
s
e
.
w
a
v
)
2
4
8
7
52
8
9
1
0
6
2
9
9
6
1
1
8
8
9
4
9
T
h
e f
eat
u
r
e ar
r
a
y
i
s
v
er
y
s
e
n
s
i
t
i
ve
t
o
a
n
y c
ha
n
ge
s
i
n t
he
D
W
F
,
e
ve
n
i
f
w
e
c
ha
nge
o
ne
v
a
l
ue
i
n t
he
f
i
l
e
a
s
s
ho
w
n i
n
T
ab
l
e 2
,
s
o
t
h
i
s
f
eat
u
r
e ar
r
a
y
can
b
e
u
s
ed
as
an
i
d
e
n
t
i
f
i
er
o
r
a p
r
i
m
ar
y
k
e
y
t
o
r
et
r
i
e
v
e t
h
e
w
a
v
e
f
ile
.
T
a
b
le
2
.
R
L
P
B
S
e
n
s
iti
v
it
y
W
a
v
e
f
ile
C
ha
n
ge
s
F
ea
t
u
r
es
1
N
o
c
h
a
n
g
e
4
4
7
7
0
3
2
9
0
9
3
2
4
4
5
4
5
1
1
2
W
a
v
(
2
2
0
)
=
0
.
0
0
3
8
c
h
a
n
ge
d
t
o
0
.
5
4
4
7
7
2
3
2
9
0
6
3
2
4
4
6
4
5
1
1
2
2
N
o c
h
a
n
ge
1
8
1
4
8
1
1
2
1
3
1
1
9
6
3
1
9
1
9
2
W
a
v
(
2
2
0
)
=
-
0
.
0
09
5
ch
an
g
ed
t
o
0
.5
1
8
1
4
7
1
1
2
1
3
1
1
9
6
4
1
9
1
9
2
3
N
o c
h
a
n
ge
1
1
4
9
9
6
3
1
6
6
3
5
1
1
0
0
5
9
W
a
v
(
2
2
0
)
=
0
.
0
0
7
8
c
h
a
n
ge
d
t
o
0
.
5
1
1
4
9
6
6
3
1
7
6
3
5
2
1
0
0
6
0
4
N
o c
h
a
n
ge
2
8
2
2
0
1
6
8
1
7
1
6
7
5
3
2
8
8
1
1
W
a
v
(
2
2
0
)
=
-
0
.
0
0
1
9
ch
an
g
ed
t
o
0
.
5
2
8
2
2
1
1
6
8
1
7
1
6
7
5
4
2
8
8
0
9
5
N
o c
h
a
n
ge
2
3
7
0
6
1
5
0
4
6
1
4
9
0
6
2
3
6
2
6
W
a
v
(
2
2
0
)
=
0
c
h
a
n
ge
d
t
o
0
.
5
2
3
7
0
8
1
5
0
4
5
1
4
9
0
6
2
3
6
2
5
6
N
o c
h
a
n
ge
7
3
2
1
6
4
3
5
5
5
4
3
2
2
1
7
5
2
3
3
W
a
v
(
2
2
0
)
=
0
.
0
0
5
6
c
h
a
n
ge
d
t
o
0
.
5
7
3
2
1
5
4
3
5
5
5
4
3
2
2
2
7
5
2
3
3
7
N
o c
h
a
n
ge
1
2
2
6
18
8
1
5
4
3
8
1
3
3
4
1
2
2
8
26
W
a
v
(
2
2
0
)
=
-
0
.
0
0
7
5
ch
an
g
ed
t
o
0
.
5
1
2
2
6
20
8
1
5
4
0
8
1
3
3
5
1
2
2
8
26
8
N
o c
h
a
n
ge
1
4
0
8
2
8
0
9
4
7
8
4
7
1
4
0
7
7
W
a
v
(
2
2
0
)
=
-
0
.
0
21
0
ch
an
g
ed
t
o
0
.
5
1
4
0
7
9
8
0
9
5
7
8
4
8
1
4
0
7
8
9
N
o c
h
a
n
ge
8
9
1
0
6
2
9
9
6
1
1
8
8
9
4
9
W
a
v
(
2
2
0
)
=
-
0
.
0
15
6
ch
an
g
ed
t
o
0
.
5
8
9
1
1
6
2
9
9
6
1
1
7
8
9
4
9
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SSN
:
20
88
-
8708
In
t
J
E
l
e
c
&
C
o
m
p
E
n
g
,
V
o
l.
8
, N
o
.
5
,
O
c
t
obe
r
20
18
:
278
0
-
2787
2786
F
r
o
m
t
h
e r
es
u
l
t
s
o
f
i
m
p
l
e
m
e
n
t
at
i
o
n
,
w
e ca
n
r
ai
s
e t
h
e f
o
l
l
o
w
i
n
g
f
act
s
:
a.
E
ach
D
W
F
h
a
s
a u
n
i
q
u
e
f
eat
u
r
es
ar
r
ay
.
b.
F
A
c
o
n
si
st
s
o
f
o
n
l
y
4
e
l
e
m
e
n
t
s
.
c.
F
A
d
o
es
n
o
t
d
ep
en
d
o
n
D
W
F
s
i
ze an
d
h
a
s
al
w
a
y
s
t
h
e s
i
ze
of
32 by
t
e
s
.
d.
F
A
can
b
e u
s
ed
as
a
k
e
y
o
r
a s
i
g
n
a
t
u
r
e t
o
d
eal
w
i
t
h
d
i
g
i
t
al
w
av
e f
i
l
es
.
e.
U
s
in
g
4
e
le
m
e
n
t
a
r
r
a
y
r
e
d
u
c
e
s
a
ll
th
e
e
f
f
o
r
ts
c
o
n
c
e
r
n
i
n
g
a
n
y
a
p
p
lic
a
tio
n
th
a
t
d
e
a
ls
w
it
h
d
ig
ita
l
w
a
v
e
f
ile
s
.
T
h
e
pr
opos
e
d
R
L
B
P
m
e
t
h
od w
a
s
i
m
pl
e
m
e
nt
e
d s
e
v
e
r
a
l
t
i
m
e
s
u
s
i
ng
v
a
r
io
u
s
w
a
v
e
f
ile
s
w
it
h
d
if
f
e
r
e
n
t
s
i
zes
,
t
h
e t
i
m
e t
o
ex
t
r
act
f
eat
u
r
es
w
as
co
m
p
u
t
ed
(
T
2
)
,
t
h
e s
a
m
e f
i
l
es
w
er
e t
r
eat
ed
u
s
i
n
g
C
S
L
B
P
m
et
h
o
d
an
d
t
h
e
f
eat
u
r
es
e
x
t
r
act
i
o
n
t
i
m
e
w
as
al
s
o
co
m
p
u
t
ed
(
T
1
)
.
T
h
e ex
p
e
r
i
m
e
n
ta
l r
e
s
u
l
ts
a
r
e
s
h
o
w
n
in
T
ab
l
e 3
.
F
r
o
m
T
ab
l
e 3
,
it
can
b
e s
ee
n
t
h
at
t
h
e
s
p
eed
u
p
o
f
t
h
e p
r
o
p
o
s
ed
m
et
h
o
d
i
s
at
l
ea
s
t
3
t
i
m
es
f
a
s
t
er
,
w
h
i
c
h
m
ean
t
h
at
t
h
e
pr
op
os
e
d m
e
t
h
od i
s
m
or
e
e
f
f
i
c
i
e
n
t
c
o
m
pa
r
e
d
w
i
t
h
C
S
L
B
P
m
e
t
h
od
T
ab
l
e 3
.
E
x
p
er
i
m
e
n
t
al
Co
m
p
a
r
i
so
n
Re
su
l
t
s
W
a
v
e f
i
l
e s
i
ze(
b
y
t
e)
C
S
L
B
P
f
ea
t
u
r
es
e
x
tr
a
c
t
io
n
t
im
e
(S
e
c
.
) T
1
P
r
o
p
o
s
ed
R
L
B
P
f
ea
t
u
r
es
e
x
t
r
act
i
o
n
t
i
m
e
(
S
e
c.)
T
2
S
p
e
e
d
u
p
2
8
8
0
00
0
1
.
9
53
4
6
0
0
.
5
89
3
9
5
3
.
3
14
3
1
9
0
3
90
4
0
.
9
39
9
4
6
0
.
2
90
7
6
0
3
.
2
32
7
1
2
5
4
52
8
0
.
4
18
7
8
2
0
.
1
20
2
1
5
3
.
4
83
6
7
3
7
1
04
0
.
3
38
3
8
8
0
.
0
98
4
8
1
3
.
4
36
1
6
2
8
7
04
0
.
1
00
0
5
6
0
.
0
44
8
4
3
2
.
2
31
3
4
9
5
4
24
0
.
0
30
0
7
8
0
.
0
09
3
5
7
3
.
2
14
5
3
6
0
2
72
0
.
0
30
9
5
5
0
.
0
08
5
8
7
3
.
6
04
9
3
2
8
8
57
6
0
.
0
30
7
1
0
0
.
0
08
2
3
2
3
.
7
30
6
2
7
9
9
04
0
.
0
30
6
7
2
0
.
0
07
5
6
5
4
.
0
54
5
2
4
8
7
52
0
.
0
28
5
2
9
0
.
0
06
0
8
9
4
.
6
85
3
4.
CO
NCL
U
S
I
O
N
A
n
e
w
m
et
h
o
d
o
f
d
i
g
i
t
al
w
av
e f
i
l
e
f
eat
u
r
e e
x
t
r
act
i
o
n
w
as
p
r
o
p
o
s
ed
,
i
m
p
l
e
m
e
n
t
ed
a
n
d
t
es
t
ed
.
T
he
pr
op
os
e
d
m
e
t
h
od h
a
s
s
o
m
e
a
d
v
a
n
t
a
g
e
s
c
o
m
pa
r
i
n
g
w
i
t
h
ot
h
e
r
e
x
i
s
t
i
ng
m
e
t
h
od a
n
d i
t
c
a
n
s
u
i
t
a
ny
a
ppl
i
c
a
t
i
on
d
eal
i
n
g
w
i
t
h
w
av
e
f
i
l
es
.
T
h
e ex
t
r
act
ed
f
eat
u
r
es
w
er
e
u
n
i
q
u
e t
o
a
w
av
e
f
i
l
e a
n
d
t
h
e
y
can
b
e u
s
ed
as
a
n
e
xc
e
l
l
e
nt
ke
y o
r
s
i
g
na
t
ur
e
f
o
r
a
d
i
gi
t
a
l
w
a
ve
f
ile
.
R
EF
ER
EN
C
ES
[
1]
As
h
r
a
f
Ab
u
-
Ein
,
e
t a
l.
, "
A
T
e
ch
n
i
q
u
e o
f
H
i
d
i
n
g
S
ecr
et
e T
ex
t
i
n
W
a
v
e F
i
l
e,
"
I
nt
e
r
nat
i
o
nal
J
our
n
al
of
C
om
p
ut
e
r
A
ppl
i
c
at
i
ons
,
vo
l
.
2,
pp
.
0
97
5
–
88
8
7,
20
16
.
[
2]
R
.
A
r
ul
m
oz
hi
y
a
l
a
nd K
.
B
a
s
k
a
r
a
n,
"
,
E
x
pe
r
i
m
e
nt
a
l
I
nv
e
s
t
i
ga
t
i
on of
W
a
ve
F
i
l
e
C
om
pr
e
ssi
o
n
-
D
e
c
om
pr
e
s
s
i
on,
"
Th
e
I
nt
e
r
n
at
i
on
al
J
o
ur
n
al
of
C
om
put
e
r
Sc
i
e
nc
e
an
d I
n
f
or
m
at
i
o
n Se
c
ur
i
t
y
,
vo
l
.
14
,
p
p.
77
4,
20
16
.
[
3]
J
ih
a
d
N
a
d
ir
,
e
t a
l.
,
"
A
T
e
c
hni
q
ue
t
o E
nc
r
y
pt
-
d
ecr
y
p
t
S
t
er
eo
W
a
v
e F
i
l
e,
"
I
nt
e
r
nat
i
o
nal
J
o
ur
n
al
o
f
C
om
put
e
r
a
nd
I
nf
or
m
at
i
o
n T
e
c
h
nol
ogy
, V
o
l
5
,
pp
.
46
5
-
4
70,
20
16
.
[
4]
Z
hi
hua
C
u
i
,
e
t a
l.
, "
T
r
a
in
in
g
a
r
tif
ic
ia
l n
e
u
r
a
l n
e
tw
o
r
k
s
u
s
in
g
A
P
P
M
"
,
I
nt
e
r
n
at
i
on
al
J
o
ur
na
l
o
f
W
i
r
e
l
e
s
s
and
M
obi
l
e
C
om
put
i
ng
,
V
ol
5
,
pp
.
1
68
-
1
74,
2
012
.
[
5]
Z
. Y
i
n
h
a
i
,
e
t a
l.
, "
Ji
g
sa
w
-
b
as
ed
s
ecu
r
e d
at
a t
r
an
s
f
er
o
v
er
co
m
p
u
t
er
n
et
w
o
r
k
s
,
"
i
n
I
nt
.
C
on
f
e
r
e
nc
e
on I
n
f
or
m
at
i
o
n
T
e
c
hnol
ogy
:
C
odi
ng
a
nd C
om
p
ut
i
ng,
20
04
,
p
p
. 2
-
6.
[
6]
K
ha
l
e
d M
a
t
r
ouk
,
e
t a
l.
, "
S
pe
e
c
h F
i
ng
e
r
pr
i
nt
t
o I
de
nt
i
f
y
I
s
ol
a
t
e
d W
or
d
-
P
e
r
s
on,
"
W
or
l
d A
p
pl
i
e
d Sc
i
e
nc
e
s
J
our
nal
,
vo
l
.
3
1,
pp.
1
76
7
-
1
77
1,
20
14.
[
7]
B
i
n
W
u
,
e
t a
l
.
,
D
y
n
a
m
ic
r
a
n
g
e
e
s
tim
a
tio
n
f
o
r
n
o
n
lin
e
a
r
s
y
s
te
m
s
,
"
in
I
E
E
E
/
A
C
M
I
n
t
e
r
n
at
i
on
al
C
o
nf
e
r
e
n
c
e
on
C
om
put
e
r
-
A
i
de
d
D
e
s
i
g
n,
20
04
.
[
8]
T
i
mo
O
,
e
t a
l.
, "
M
u
lti r
e
s
o
lu
t
io
n
g
r
a
y
-
s
cal
e
an
d
r
o
t
at
i
o
n
i
n
v
ar
i
an
t
t
ex
t
u
r
e cl
as
s
i
f
i
cat
i
o
n
w
i
th
lo
c
a
l b
in
a
r
y
p
a
tte
r
n
s
,
"
I
E
E
E
T
r
a
ns
ac
t
i
ons
on
P
at
t
e
r
n A
n
al
y
s
i
s
an
d M
ac
h
i
ne
I
n
t
e
l
l
i
ge
nc
e
,
v
ol
.
2
4,
pp.
9
71
-
9
87,
2
00
2.
[
9]
M
a
r
ko
H
,
e
t a
l.
, "
D
e
s
c
r
ip
tio
n
o
f
in
te
r
e
s
t r
e
g
io
n
s
w
ith
lo
c
a
l b
i
n
a
r
y
p
a
tte
r
n
s
,
"
P
at
t
e
r
n R
e
c
ogni
t
i
on
,
vo
l
.
4
2,
pp
42
5
-
436
,
2
00
9.
[
1
0]
T
.
O
ja
la
,
e
t a
l.
, "
A
c
o
m
pa
r
a
t
i
ve
s
t
udy
of
t
e
x
t
ur
e
m
e
a
s
ur
e
s
w
i
t
h c
l
a
s
s
i
f
i
c
a
t
i
on ba
s
e
d
on f
e
a
t
ur
e
di
s
t
r
i
b
ut
i
ons
,
"
Pa
tte
r
n
Re
c
o
g
n
itio
n
,
v
ol
.
2
9,
pp
.
51
-
59,
1
996
.
[
1
1]
K
.
J
.
P
r
i
y
a an
d
R
.
S
.
R
aj
es
h
.
, "
A
L
o
cal
M
i
n
-
M
ax
B
i
n
ar
y
P
at
t
er
n
B
as
ed
F
ace R
e
co
g
n
i
t
i
o
n
U
s
i
n
g
S
i
n
g
l
e S
a
m
p
l
e p
er
C
l
a
ss,
"
I
nt
e
r
nat
i
o
na
l
J
our
nal
of
A
dv
anc
e
d
Sc
i
e
nc
e
a
nd
T
e
c
hn
ol
o
gy
,
vo
l
.
36
,
p
p.
41
-
50
,
2
01
1.
[
1
2]
Z
ha
ng
J
,
e
t a
l.
, "
L
o
cal
f
eat
u
r
es
an
d
k
er
n
el
s
f
o
r
cl
as
s
i
f
i
cat
i
o
n
o
f
t
ex
t
u
r
e an
d
o
b
j
ect
cat
eg
o
r
i
es
:
A
co
m
p
r
eh
en
s
i
v
e
s
t
udy
,
"
I
nt
e
r
nat
i
o
na
l
J
our
nal
of
C
om
put
e
r
V
is
io
n
,
v
ol
.
73
,
pp.
2
13
-
23
8,
20
07.
[
1
3]
S
ab
i
n
a Y
as
m
i
n
,
e
t a
l.
, "
P
er
f
o
r
m
an
ce S
t
u
d
y
o
f
S
o
f
t
L
o
cal
B
i
n
ar
y
P
at
t
er
n
o
v
er
L
o
cal
B
i
n
ar
y
P
at
t
er
n
u
n
d
er
N
o
i
s
y
I
m
ag
e
s
,
"
I
nt
e
r
nat
i
o
nal
J
our
nal
of
E
l
e
c
t
r
i
c
al
a
nd C
om
p
ut
e
r
E
n
gi
ne
e
r
i
ng,
v
o
l
.6
,
p
p
.
116
1
-
11
67
,
201
5
.
Evaluation Warning : The document was created with Spire.PDF for Python.
In
t
J
E
l
e
c
&
C
o
m
p
E
n
g
I
S
S
N
:
2088
-
8708
W
av
e
F
i
l
e
F
e
at
ur
e
s
E
x
t
r
ac
t
i
on us
i
ng R
e
d
uc
e
d L
B
P
(
A
ws
A
l
-
Q
a
i
s
i
)
2787
[
1
4]
T
ah
a H
.
R
a
sse
m
,
e
t a
l.
,
"
F
ace R
eco
g
n
i
t
i
o
n
U
s
i
n
g
C
o
m
p
l
et
ed
L
o
cal
T
er
n
ar
y
P
at
t
er
n
(
C
L
T
P
)
T
ex
t
u
r
e D
es
cr
i
p
t
o
r
s
,
"
I
nt
e
r
nat
i
o
nal
J
our
n
al
of
E
l
e
c
t
r
i
c
al
an
d C
om
pu
t
e
r
E
n
gi
ne
e
r
i
n
g,
v
ol
.
7
,
pp.
15
94
-
160
1
,
20
17.
[
1
5]
F
ooa
d J
a
l
i
l
i
,
e
t a
l.
, "
S
pe
e
c
h R
e
c
og
ni
t
i
on U
s
i
ng
C
om
bi
ne
d F
u
z
z
y
a
nd A
nt
C
ol
ony
A
l
g
or
i
t
hm
,
"
I
nt
e
r
nat
i
o
na
l
J
our
n
al
o
f
E
l
e
c
t
r
i
c
al
an
d C
om
pu
t
e
r
E
ngi
ne
e
r
i
ng,
vol
.
7
,
p
p
.
22
05
-
2210
,
20
16
.
BI
O
G
RAP
H
I
E
S
O
F
AUT
H
O
RS
Dr
Aws
A
l
-
c
a
s
e
i
s
a
n a
s
s
oc
i
a
t
e
d pr
of
e
s
s
or
i
n t
he
C
om
m
uni
c
a
t
i
on E
ng
i
ne
e
r
i
ng
D
e
pa
r
t
m
e
nt
,
F
a
c
ul
t
y
of
E
ng
i
ne
e
r
i
ng
a
nd T
e
c
hnol
og
y
,
A
l
-
B
a
l
qa
’
A
ppl
i
e
d U
ni
v
e
r
s
i
t
y
,
J
or
da
n.
T
ud
or
w
a
s
r
ecei
v
ed
h
i
s
P
h
D
an
d
M
S
c i
n
co
m
m
u
n
i
cat
i
o
n
an
d
s
i
g
n
al
p
r
o
ces
s
i
n
g
f
r
o
m
N
e
w
ca
s
t
l
e u
n
i
v
er
s
i
t
y
i
n
2
0
0
6
an
d
2
0
1
0
r
es
p
ect
i
v
el
y
.
D
r
.
A
w
s
r
es
ear
ch
i
n
t
er
es
t
i
n
cl
u
d
es
D
i
g
i
t
al
s
i
g
n
al
p
r
o
ces
s
i
n
g
,
s
ei
s
m
i
c
s
i
g
na
l
pr
o
ces
s
i
n
g
,
W
i
r
el
e
s
s
co
m
m
u
n
i
cat
i
o
n
,
D
i
g
i
t
al
co
m
m
u
n
i
cat
i
o
n
an
d
w
i
r
el
es
s
s
en
s
o
r
n
et
w
o
r
k
.
H
e s
er
v
ed
as
r
ev
i
e
w
er
i
n
m
an
y
i
n
t
er
n
at
i
o
n
al
j
o
u
r
n
al
s
w
h
er
e h
e h
as
p
u
b
l
i
s
h
ed
m
o
r
e t
h
an
16 s
c
i
e
nt
i
f
i
c
pa
pe
r
s
i
n t
he
f
i
e
l
d of
c
om
m
uni
c
a
t
i
on a
n
d s
i
g
na
l
pr
oc
e
s
s
i
ng
.
D
r
S
al
eh
A
.
K
h
a
w
at
r
eh
i
s
Assi
st
a
n
t
P
r
o
f
e
sso
r
i
n
C
om
put
e
r
E
ng
i
ne
e
r
i
ng
D
e
pa
r
t
e
m
e
nt
,
F
acu
l
t
y
o
f
E
ng
i
ne
e
r
i
ng
,
Al
-
A
h
l
i
y
y
a
A
m
m
an
U
n
i
v
er
s
i
t
y
.
D
r
S
al
eh
A
.
K
h
a
w
at
r
eh
r
es
ear
ch
i
n
t
er
es
t
i
n
cl
u
d
es
C
om
put
e
r
N
e
t
w
or
k
s
,
c
o
m
put
e
r
A
ppl
i
c
a
t
i
on a
nd s
i
g
na
l
pr
oc
e
s
s
i
ng
.
D
r
.
Ah
m
e
d
A
.
M
S
ha
r
a
dqh r
e
c
e
i
v
e
d hi
s
P
hD
D
e
g
r
e
e
i
n C
om
put
e
r
,
c
om
put
i
ng
s
y
s
t
e
m
a
nd
n
e
tw
o
r
k
s
f
r
o
m
N
a
tio
n
a
l T
e
c
h
n
ic
a
l o
f
U
k
r
a
in
e
"
K
y
iv
P
o
ly
te
c
h
n
ic
I
n
s
titu
te
U
k
r
a
in
e
in
2
0
0
7
.
S
in
c
e
200
9,
D
r
.
A
hm
e
d s
ha
r
a
dqh
ha
s
be
e
n a
n
A
s
s
oc
i
a
t
e
pr
of
e
s
s
or
i
n t
he
C
om
put
e
r
E
ng
i
ne
e
r
i
ng
De
pa
r
t
m
e
nt
,
F
a
c
ul
t
y
of
E
ng
i
ne
e
r
i
ng
T
e
c
hnol
og
y
,
a
t
A
l
-
B
al
q
a
A
p
p
l
i
ed
U
n
i
v
er
s
i
t
y
.
H
i
s
r
es
e
ar
ch
i
n
t
er
es
t
s
i
n
cl
u
d
e
P
er
f
o
r
m
an
ce o
f
n
et
w
o
r
k
,
Q
u
al
i
t
y
s
er
v
i
ces
,
s
e
cu
r
i
t
y
n
et
w
o
r
k
,
i
m
ag
e p
r
o
ces
s
i
n
g
,
di
g
i
t
a
l
s
y
s
t
e
m
s
de
s
i
g
n,
ope
r
a
t
i
ng
s
y
s
t
e
m
,
a
nd M
i
c
r
opr
oc
e
s
s
or
s
.
Dr
Z
i
ad
A
.
A
.
A
l
q
ad
i
h
as
b
een
pr
of
e
s
s
or
i
n t
he
C
om
put
e
r
E
ng
i
ne
e
r
i
ng
D
e
pa
r
t
m
e
nt
,
F
a
c
ul
t
y
of
E
ng
i
ne
e
r
i
ng
T
e
c
hnol
og
y
,
a
t
A
l
-
B
a
l
qa
A
ppl
i
e
d U
ni
v
e
r
s
i
t
y
.
H
e
i
s
t
he
H
e
a
d of
C
o
m
put
e
r
en
g
i
n
eer
i
n
g
d
ep
ar
t
m
en
t
.
H
i
s
r
e
s
ear
ch
i
n
t
er
es
t
s
i
n
cl
u
d
e S
i
g
n
al
p
r
o
ces
s
i
n
g
,
p
ar
al
l
el
p
r
o
ces
s
i
n
g
,
i
m
a
g
e p
r
o
ces
s
i
n
g
.
Evaluation Warning : The document was created with Spire.PDF for Python.