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ce
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ater
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if
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t
s
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m
en
ts
.
As
q
u
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ted
in
[
1
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ar
k
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p
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r
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p
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[
2
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.
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is
,
a
n
d
m
i
litar
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s
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v
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.
W
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Evaluation Warning : The document was created with Spire.PDF for Python.
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J
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Sci,
Vo
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24
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b
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2
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:
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7
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96
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958
ad
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[
3
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to
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m
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f
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cr
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l
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m
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[
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A
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3
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n
ticit
y
o
f
3
D
m
es
h
m
o
d
els
is
tu
r
n
in
g
o
u
t
to
b
e
v
er
y
i
m
p
o
r
tan
t
[
5
]
.
W
ater
m
ar
k
i
n
g
m
et
h
o
d
h
as t
u
r
n
ed
o
u
t to
b
e
an
ef
f
ec
ti
v
e
m
et
h
o
d
f
o
r
p
r
o
tectin
g
t
h
e
c
o
p
y
r
i
g
h
t a
n
d
au
t
h
e
n
ticit
y
o
f
3
D
m
es
h
m
o
d
el
s
[
6
]
.
R
ec
en
t
l
y
,
n
u
m
b
er
o
f
w
ater
m
a
r
k
in
g
a
n
d
s
teg
a
n
o
g
r
ap
h
y
m
e
t
h
o
d
s
[
7
]
,
ar
e
p
r
esen
ted
f
o
r
s
e
cu
r
in
g
3
D
m
es
h
m
o
d
els.
T
h
e
w
ater
m
ar
k
i
n
g
(
WM
)
m
e
th
o
d
tec
h
n
iq
u
es
i
s
co
m
p
o
s
ed
o
f
t
w
o
clas
s
es
s
u
c
h
a
s
f
r
eq
u
e
n
c
y
an
d
s
p
atial
d
o
m
ain
.
I
n
f
r
eq
u
e
n
c
y
d
o
m
ai
n
[
8
]
-
[1
0
]
,
th
e
W
M
d
at
a
is
e
m
b
ed
d
ed
b
y
ch
a
n
g
i
n
g
i
ts
co
ef
f
icie
n
ts
.
I
n
,
s
p
atial
d
o
m
ai
n
[
1
1
]
-
[
1
5
]
,
th
e
W
M
d
ata
is
e
m
b
ed
d
ed
b
y
m
o
d
if
y
i
n
g
g
eo
m
etr
y
p
r
o
p
er
ties
o
f
3
D
m
e
s
h
m
o
d
el
s
(
3
DM
M)
.
I
n
[
8
]
,
ex
h
ib
ited
a
W
M
m
eth
o
d
f
o
r
3
DM
m
o
d
el,
an
d
W
M
is
e
m
b
ed
d
ed
in
wav
elet
co
ef
f
icie
n
t
s
(
W
C
)
co
n
s
id
er
in
g
d
iv
er
s
e
r
eso
lu
tio
n
s
s
ize.
I
n
[
1
5
]
p
r
esen
ted
a
s
ec
u
r
it
y
tec
h
n
iq
u
e
w
h
er
e
W
M
is
e
m
b
ed
in
to
to
m
es
h
m
o
d
el
b
y
m
o
d
i
f
y
i
n
g
t
h
e
o
r
d
in
ar
y
v
ec
to
r
s
o
f
th
e
W
C
.
I
n
[
1
5
]
d
eter
m
i
n
ed
t
h
e
r
o
o
t
m
ea
n
s
q
u
ar
e
(
R
M
S)
cu
r
v
e
o
f
ea
c
h
v
er
tex
in
its
n
e
i
g
h
b
o
r
h
o
o
d
r
e
g
io
n
an
d
s
ep
ar
ated
th
e
v
er
tices
in
to
w
i
n
d
o
w
s
.
Fo
r
e
m
b
ed
d
in
g
W
M
d
ata,
th
e
cu
r
v
e
v
ar
ian
ce
es
ti
m
atio
n
s
o
f
th
e
v
er
t
ices
o
f
ev
er
y
w
i
n
d
o
w
w
er
e
co
n
tr
o
lled
.
T
h
e
ex
is
ti
n
g
W
M
tech
n
iq
u
es
f
o
r
3
DM
M’
s
h
a
v
e
attain
ed
g
r
ea
t
e
x
h
ib
itio
n
s
a
n
d
h
as
ef
f
ec
ti
v
el
y
tac
k
led
s
o
m
e
p
r
o
b
lem
atic
is
s
u
e
s
.
I
n
p
ar
ticu
lar
,
m
et
h
o
d
s
o
f
f
r
ag
ile
w
a
ter
m
ar
k
in
g
b
ased
d
ata
m
as
k
i
n
g
(
DM
)
i
n
t
h
e
cr
y
p
to
g
r
ap
h
y
s
y
s
te
m
h
a
v
e
b
ee
n
m
o
d
elled
f
o
r
i
n
f
o
r
m
atio
n
i
m
p
r
o
v
e
m
en
t,
v
er
i
f
icatio
n
,
an
d
au
th
e
n
ticit
y
in
t
h
e
cr
y
p
to
g
r
ap
h
y
s
y
s
te
m
.
Fo
r
ex
a
m
p
le,
i
n
C
C
e
n
v
ir
o
n
m
e
n
t
t
h
e
3
D
m
es
h
m
o
d
els
ar
e
f
ir
s
t
e
n
cr
y
p
ted
w
ith
o
u
t
h
a
v
i
n
g
a
n
y
p
r
io
r
k
n
o
w
led
g
e
o
f
s
o
u
r
ce
m
e
s
h
d
ata
o
r
th
e
s
ec
r
et
k
e
y
u
til
ized
f
o
r
ca
r
r
y
i
n
g
o
u
t
en
cr
y
p
tio
n
o
p
er
atio
n
.
I
t
is
th
en
co
n
ce
iv
ab
le
to
m
as
k
a
p
r
i
v
ac
y
in
f
o
r
m
at
io
n
in
t
h
e
e
n
co
d
ed
p
ictu
r
e.
I
n
d
ec
r
y
p
tio
n
s
tag
e,
t
h
e
ac
t
u
al
m
esh
m
o
d
els
ca
n
b
e
r
ec
o
v
er
ed
ef
f
icie
n
tl
y
a
n
d
p
r
iv
ac
y
in
f
o
r
m
atio
n
r
etr
iev
ed
m
u
s
t
b
e
w
it
h
g
o
o
d
q
u
alit
y
(
i.e
.
,
w
it
h
m
in
i
m
a
l
o
r
n
o
er
r
o
r
)
.
T
h
u
s
,
t
h
er
e
ex
i
s
ts
tr
ad
eo
f
f
s
a
m
o
n
g
r
ec
o
n
s
tr
u
ct
io
n
3
D
m
e
s
h
q
u
alit
y
a
n
d
m
as
k
i
n
g
ca
p
ac
it
y
.
Fo
r
b
r
in
i
n
g
s
u
c
h
tr
ad
eo
f
f
s
v
ar
io
u
s
w
ater
m
ar
k
i
n
g
m
et
h
o
d
ar
e
p
r
esen
ted
in
liter
atu
r
e.
Fo
r
ex
ten
s
i
v
e
it
is
s
ee
n
t
h
e
ex
i
s
ti
n
g
m
o
d
el
p
r
ese
n
ted
s
o
f
ar
f
o
r
m
as
k
in
g
d
ata
in
3
D
m
e
s
h
m
o
d
els
i
n
d
u
ce
s
lo
w
m
as
k
in
g
ca
p
ac
it
y
a
n
d
r
ec
o
n
s
tr
u
ctio
n
q
u
alit
y
ar
e
v
er
y
p
o
o
r
.
Fu
r
th
er
,
v
er
y
li
m
ited
w
o
r
k
is
ca
r
r
ied
o
u
t
f
o
r
m
as
k
i
n
g
i
n
f
o
r
m
atio
n
o
n
en
cr
y
p
ted
3
D
m
o
d
els.
Fo
r
o
v
er
co
m
i
n
g
r
esear
ch
p
r
o
b
lem
s
,
th
is
w
o
r
k
p
r
ese
n
t
a
n
i
m
p
r
o
v
e
d
d
ata
m
as
k
i
n
g
(
i.e
.
w
ater
m
ar
k
i
n
g
al
g
o
r
ith
m
)
m
et
h
o
d
f
o
r
3
D
m
e
s
h
m
o
d
els.
T
h
e
m
o
d
el
b
r
in
g
g
o
o
d
tr
ad
eo
f
f
s
b
et
w
ee
n
ac
h
ie
v
i
n
g
h
ig
h
er
m
as
k
i
n
g
ca
p
ab
ilit
y
w
it
h
i
m
p
r
o
v
ed
r
ec
o
n
s
tr
u
ctio
n
q
u
a
lit
y
.
T
h
e
c
o
n
tr
ib
u
tio
n
o
f
r
esear
ch
w
o
r
k
i
s
as
s
h
o
w
n
i
n
:
P
r
esen
ted
ef
f
ic
ien
t
d
ata
m
as
k
in
g
m
et
h
o
d
th
at
b
r
in
g
s
g
o
o
d
tr
ad
eo
f
f
s
b
et
w
ee
n
e
m
b
ed
d
in
g
ca
p
ac
ity
a
n
d
r
ec
o
n
s
tr
u
ctio
n
q
u
alit
y
.
E
DM
m
et
h
o
d
attai
n
h
i
g
h
er
e
m
b
ed
d
in
g
ca
p
ac
it
y
an
d
h
i
g
h
er
q
u
ali
t
y
r
ec
o
v
er
y
m
e
s
h
a
n
d
er
r
o
r
-
f
r
ee
ex
tr
ac
tio
n
co
m
p
ar
ed
w
it
h
th
e
ex
is
t
in
g
s
tate
-
of
-
th
e
-
ar
t d
ata
m
as
k
i
n
g
m
et
h
o
d
[
16
].
T
h
e
m
a
n
u
s
cr
ip
t
i
s
o
r
g
an
ized
in
f
o
llo
w
in
g
s
tr
u
ct
u
r
e.
I
n
s
ec
tio
n
,
th
e
d
etai
led
s
u
r
v
e
y
o
f
ex
is
ti
n
g
s
ec
u
r
it
y
m
et
h
o
d
f
o
r
i
m
a
g
e
i
s
d
escr
ib
ed
.
I
n
S
ec
tio
n
3
t
h
e
p
r
o
p
o
s
ed
ef
f
icie
n
t
d
ata
m
a
s
k
i
n
g
m
et
h
o
d
f
o
r
s
ec
u
r
in
g
3
D
m
e
s
h
m
o
d
el
s
.
T
h
e
ex
p
er
i
m
en
t
o
u
tco
m
e
ac
h
ie
v
ed
is
d
escr
ib
ed
in
S
ec
tio
n
4
.
T
h
e
co
n
clu
s
io
n
a
n
d
f
u
t
u
r
e
w
o
r
k
i
s
d
is
cu
s
s
ed
i
n
last
s
ec
ti
o
n
.
2.
L
I
T
T
E
RA
T
UR
E
SURV
E
Y
T
h
is
s
ec
tio
n
p
r
ese
n
t
a
n
e
x
te
n
s
iv
e
s
u
r
v
e
y
o
f
v
ar
io
u
s
s
tate
-
of
-
ar
t
e
x
is
ti
n
g
d
ata
m
a
s
k
in
g
m
eth
o
d
f
o
r
s
ec
u
r
i
n
g
3
D
m
e
s
h
m
o
d
els.
B
o
th
3
D
m
es
h
es
a
n
d
3
D
p
o
in
t
cl
o
u
d
ar
e
f
u
n
d
a
m
e
n
tal
p
o
r
tr
ay
al
s
o
f
3
D
m
o
d
el
s
.
As
o
f
late,
a
g
r
ea
t
d
ea
l
o
f
WM
m
eth
o
d
s
f
o
r
3
DM
m
o
d
els
ar
e
b
ein
g
m
o
d
elled
.
I
n
[
17
]
,
p
o
ly
g
o
n
m
es
h
m
o
d
el
s
ar
e
u
tili
ze
d
ac
r
o
s
s
d
i
f
f
er
e
n
t
p
lace
s
b
ec
au
s
e
o
f
i
ts
s
u
p
er
io
r
v
er
s
ati
liti
es
a
n
d
r
eliab
ilit
y
.
T
h
e
p
er
c
ep
tu
al
ab
ilit
ie
s
a
n
d
also
th
e
v
i
s
u
al
k
n
o
w
led
g
e
o
f
t
h
e
w
ater
m
ar
k
i
n
g
m
o
d
el
ar
e
f
r
eq
u
en
tl
y
t
h
e
m
ed
to
f
al
s
i
f
icati
o
n
at
ea
ch
lev
el,
a
s
th
e
w
ater
m
ar
k
i
n
g
m
o
d
el
f
r
eq
u
en
tl
y
en
d
u
r
e
d
if
f
er
en
t le
v
els o
f
s
i
g
n
al
p
r
o
ce
s
s
in
g
d
ea
li
n
g
o
u
t
f
o
r
th
e
p
er
s
is
te
n
ce
o
f
d
ef
o
r
m
a
tio
n
,
tr
a
n
s
m
i
s
s
io
n
,
g
e
n
er
aliza
tio
n
an
d
s
to
r
ag
e,
p
er
ce
p
tu
al
ab
ilit
ie
s
a
n
d
also
t
h
e
v
i
s
u
al
p
r
ac
tice
o
f
th
e
3
DM
M
ar
e
f
r
eq
u
e
n
tl
y
s
u
b
j
ec
ted
to
m
i
s
r
ep
r
esen
tatio
n
(
i.e
.
,
d
is
to
r
tio
n
)
at
ea
ch
lev
el.
T
h
u
s
e
x
a
m
in
i
n
g
t
h
e
p
er
ce
p
tu
al
ac
cu
r
ac
ies
a
n
d
th
e
v
is
u
al
k
n
o
w
led
g
e
o
f
3
DM
M
h
as
d
ev
e
lo
p
ed
as
o
n
e
o
f
t
h
e
m
o
s
t
d
i
f
f
icu
l
t
an
d
ch
alle
n
g
i
n
g
j
o
b
s
f
o
r
b
o
th
th
e
ed
u
ca
tio
n
al
a
n
d
in
d
u
s
tr
ial
p
u
r
p
o
s
e.
I
n
[
1
8
]
,
g
iv
es
a
n
ea
s
y
a
s
w
ell
a
s
ef
f
ec
t
u
al
s
ec
u
r
it
y
m
e
th
o
d
,
f
o
r
d
ata
m
a
s
k
in
g
t
h
r
u
t
w
o
s
ta
n
d
ar
d
3
D
d
at
a
m
as
k
in
g
m
eth
o
d
s
[
1
9
]
.
T
h
e
m
aj
o
r
f
ac
to
r
is
th
at
at
th
e
ti
m
e
b
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ild
i
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g
e
f
f
ic
ien
t
m
o
d
el
th
e
v
ar
ia
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ce
s
o
f
[
1
9
]
.
’
s
r
eg
u
lar
ized
h
is
to
g
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m
b
in
s
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HB
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p
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w
G
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d
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GD)
,
in
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tab
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m
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el
th
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e
d
is
tr
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tio
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m
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b
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o
d
al.
Fu
r
t
h
er
,
t
h
e
y
i
m
p
r
o
v
ed
[
20
]
W
M
m
eth
o
d
s
th
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u
d
ata
m
as
k
in
g
b
y
m
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atch
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A
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D
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Ot
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ties
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HB
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attain
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n
d
ataset
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f
3
D
m
e
s
h
m
o
d
els
o
f
o
f
f
f
o
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m
ats
[
2
1
]
,
p
r
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p
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s
ed
ef
f
icie
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t
W
M
m
et
h
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d
f
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th
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d
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m
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P
C
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p
r
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ty
p
es
w
it
h
th
e
h
elp
o
f
f
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r
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te
x
s
ets
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f
in
d
t
h
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en
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m
as
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ata.
T
h
e
v
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tex
s
et
w
it
h
h
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g
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m
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C
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to
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ata,
th
is
allo
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e
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led
C
F
f
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m
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T
h
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m
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d
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d
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t
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tab
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w
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d
ata
m
as
k
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n
g
m
et
h
o
d
.
Si
m
i
lar
l
y
,
i
n
[
2
2
]
p
r
esen
ted
an
ef
f
icie
n
t
W
M
m
eth
o
d
f
o
r
3
D
P
C
m
o
d
els
u
s
i
n
g
v
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tex
c
u
r
v
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r
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f
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attain
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d
b
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g
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tr
ad
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o
f
f
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b
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t
n
es
s
a
n
d
tr
an
s
p
ar
en
c
y
.
I
n
[
2
3
]
,
s
h
o
w
ed
i
m
p
o
r
tan
ce
o
f
b
u
ild
i
n
g
ef
f
icien
t
3
DM
M
f
o
r
s
a
f
e
g
u
ar
d
in
g
in
d
u
s
tr
ial
p
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d
u
cts.
T
h
e
y
p
r
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ted
a
f
le
x
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le
s
elec
t
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o
f
m
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lo
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f
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d
ata
m
as
k
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o
f
3
DM
M
w
it
h
m
i
n
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m
al
d
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tu
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b
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ce
p
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ce
d
b
y
th
e
d
ata
m
a
s
k
in
g
m
eth
o
d
.
I
n
[
2
4
]
-
[
2
6
]
p
r
es
en
ted
an
ef
f
icie
n
t
er
r
o
r
-
f
r
ee
an
d
d
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d
ata
m
as
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g
m
eth
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d
f
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en
cr
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p
ted
i
m
a
g
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th
at
is
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ev
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s
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le
in
n
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r
e.
Ho
w
e
v
er
,
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e
s
e
m
et
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o
d
ca
n
n
o
t b
e
ap
p
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as
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3
DM
Ms a
s
t
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y
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ig
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l
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2
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i
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ag
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s
.
As
o
f
late,
n
u
m
er
o
u
s
s
tr
ate
g
ie
s
h
a
v
e
b
ee
n
p
la
n
n
ed
.
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h
e
em
b
ed
d
in
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ar
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d
o
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e
b
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o
r
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o
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af
ter
ca
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y
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g
o
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cr
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o
p
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n
.
I
n
d
ec
r
y
p
tio
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p
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ce
s
s
,
t
h
e
3
D
m
es
h
m
o
d
el
s
ar
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r
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o
n
s
tr
u
cted
an
d
e
m
b
ed
d
ed
in
f
o
r
m
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n
ca
n
b
e
h
a
n
d
led
s
i
m
u
lta
n
eo
u
s
l
y
[
2
6
]
o
r
in
d
ep
en
d
en
tl
y
[
2
6
]
-
[
2
8
]
.
No
n
e
o
f
t
h
e
e
x
is
t
in
g
m
et
h
o
d
co
u
ld
b
r
in
g
g
o
o
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ad
eo
f
f
s
b
et
w
ee
n
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n
i
n
g
h
i
g
h
m
as
k
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ca
p
ac
it
y
w
it
h
g
o
o
d
r
ec
o
n
s
tr
u
ctio
n
3
D
m
es
h
m
o
d
el
s
q
u
al
it
y
.
I
n
[
1
7
]
h
as
m
ask
i
n
g
ca
p
ac
it
y
o
f
0
:5
b
its
p
er
p
ix
el
(
B
P
P
)
an
d
r
ec
o
n
s
tr
u
ctio
n
q
u
ali
t
y
o
f
4
0
d
B
.
T
h
e
r
ec
o
n
s
tr
u
ctio
n
q
u
a
lit
y
i
s
m
ea
s
u
r
e
in
ter
m
s
o
f
p
ea
k
-
s
i
g
n
al
-
to
-
n
o
i
s
e
r
atio
.
A
l
s
o
,
[
2
6
]
attain
a
m
as
k
i
n
g
ca
p
ac
it
y
0
:1
B
P
P
.
Fu
r
th
er
,
in
ex
is
t
in
g
DM
m
et
h
o
d
,
th
e
in
f
o
r
m
atio
n
is
e
m
b
ed
u
s
i
n
g
least
s
i
g
n
i
f
ica
n
t
b
it
(
L
SB
)
s
u
b
s
t
itu
t
io
n
.
No
n
et
h
ele
s
s
,
in
c
r
y
p
to
g
r
ap
h
y
s
y
s
te
m
u
s
in
g
t
h
es
e
s
tate
-
of
-
ar
t
m
et
h
o
d
,
it
is
h
ar
d
to
d
is
tin
g
u
is
h
i
f
a
p
ictu
r
e
is
co
m
p
o
s
ed
o
f
m
as
k
e
d
in
f
o
r
m
atio
n
o
r
n
o
t.
Sin
ce
p
ix
els
v
alu
e
e
x
h
ib
it
s
p
s
eu
d
o
r
an
d
o
m
n
ess
.
F
u
r
th
er
,
in
r
ec
en
t
ti
m
e
w
id
e
r
esear
ch
o
n
d
ata
h
id
in
g
(
DH)
f
o
r
m
u
l
t
i
m
ed
ia
an
d
3
D
m
es
h
m
o
d
els
h
as
b
ee
n
g
o
in
g
o
n
.
T
h
e
m
e
th
o
d
p
r
esen
ted
s
o
f
ar
h
as
r
es
u
lted
i
n
m
o
r
e
id
ea
l
s
tr
ateg
ie
s
t
h
eo
r
etica
ll
y
.
Ho
wev
er
,
f
o
r
3
D
m
e
s
h
m
o
d
el
s
,
t
h
e
r
esear
c
h
ac
ti
v
it
y
i
s
at
v
er
y
ea
r
l
y
s
ta
g
e.
W
ith
i
n
cr
ea
s
ed
u
s
a
g
e
o
f
3
D
m
e
s
h
m
o
d
e
l b
ased
ap
p
licatio
n
h
as
w
it
h
i
n
cr
ea
s
ed
ca
p
ac
it
y
,
3
D
m
e
s
h
m
o
d
el
is
s
ig
n
i
f
ic
an
tl
y
u
t
ilized
an
d
s
h
ar
ed
th
r
o
u
g
h
w
eb
o
r
ien
ted
ap
p
licatio
n
.
T
h
u
s
,
h
a
s
led
r
esear
ch
er
in
b
u
ild
in
g
DM
.
Fr
o
m
d
ee
p
r
o
o
ted
s
u
r
v
e
y
it
ca
n
b
e
s
ee
n
b
u
ild
in
g
ef
f
icien
t
d
ata
m
as
k
i
n
g
m
et
h
o
d
f
o
r
3
D
m
es
h
m
o
d
el
is
c
h
alle
n
g
i
n
g
.
E
x
is
ti
n
g
m
o
d
el
s
u
f
f
er
s
in
p
r
o
v
id
in
g
tr
ad
eo
f
f
s
b
et
w
ee
n
h
ig
h
e
m
b
ed
d
in
g
ca
p
ac
it
y
an
d
S
NR
.
F
u
r
t
h
er
,
d
u
e
to
th
e
lar
g
e
cip
h
er
te
x
t
ex
p
an
s
io
n
a
n
d
h
i
g
h
c
o
m
p
u
t
a
ti
o
n
a
l
c
o
m
p
l
ex
i
ty
o
f
ex
is
t
in
g
s
e
cu
r
i
ty
s
y
s
t
em
.
T
h
u
s
,
i
t
n
o
t
e
f
f
i
c
i
en
t
in
p
r
a
c
t
i
ce
.
T
h
u
s
,
t
h
is
p
a
p
e
r
a
im
s
to
im
p
r
o
v
e
th
e
em
b
e
d
d
in
g
a
b
il
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ty
a
n
d
q
u
a
l
ity
o
f
t
h
e
r
e
c
o
v
e
r
e
d
m
e
s
h
,
an
d
r
e
a
l
i
ze
s
e
r
r
o
r
-
f
r
e
e
ex
t
r
a
c
t
i
o
n
o
f
th
e
d
a
t
a
.
3.
E
F
F
I
CI
E
N
T
DA
T
A
M
ASK
I
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M
E
T
H
O
D
F
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NCR
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D
3
D
M
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SH
M
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w
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k
p
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t
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t
w
ater
m
ar
k
in
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m
et
h
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d
f
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r
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D
m
e
s
h
m
o
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el.
T
h
e
ar
ch
i
tectu
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o
f
p
r
o
p
o
s
ed
ef
f
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d
ata
m
a
s
k
i
n
g
m
eth
o
d
(
E
DM
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m
et
h
o
d
i
s
s
h
o
w
n
i
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Fi
g
u
r
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1
.
T
h
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ar
ch
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ictio
n
p
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ase,
en
cr
y
p
tio
n
p
h
a
s
e,
d
ata
m
ask
i
n
g
p
h
ase,
d
ata
d
ec
r
y
p
tio
n
a
n
d
d
ata
r
ec
o
n
s
tr
u
ctio
n
p
h
ase.
Fig
u
r
e
1
.
A
r
ch
itectu
r
e
o
f
p
r
o
p
o
s
ed
ef
f
icie
n
t d
ata
m
a
s
k
in
g
m
eth
o
d
f
o
r
3
D
m
es
h
m
o
d
el
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4752
I
n
d
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lec
E
n
g
&
C
o
m
p
Sci,
Vo
l.
24
,
No
.
2
,
No
v
e
m
b
er
2
0
2
1
:
95
7
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96
4
960
3
.
1
.
P
re
pro
ce
s
s
ing
o
f
3
D
m
esh
m
o
del
s
Gen
er
all
y
,
t
h
e
m
es
h
f
i
le
f
o
r
m
ats
s
u
c
h
as
OF
F
r
ep
r
esen
t
an
in
d
ex
ed
d
ata
s
tr
u
c
tu
r
e.
T
h
e
th
r
ee
d
i
m
en
s
io
n
al
i.e
.
,
tr
ia
n
g
le
m
e
s
h
es
i
s
co
n
s
i
s
t
o
f
t
w
o
ele
m
e
n
ts
s
u
c
h
as
v
er
t
ex
d
ata
(
VD)
an
d
f
ac
e
(
co
n
n
ec
t
iv
i
t
y
)
d
ata
(
FD)
.
VD
is
co
m
p
o
s
ed
o
f
co
o
r
d
in
ate
p
o
s
itio
n
i
n
f
o
r
m
atio
n
o
f
v
er
tices.
Fu
r
t
h
er
,
VD
m
a
y
al
s
o
h
a
v
e
p
h
o
to
m
etr
ic
in
f
o
r
m
at
io
n
f
o
r
ex
a
m
p
le
co
lo
r
s
an
d
g
e
n
er
ic
v
e
cto
r
s
.
T
h
e
FD
p
r
o
v
id
es
in
f
o
r
m
atio
n
o
f
to
p
o
lo
g
y
s
tr
u
ct
u
r
e
th
at
d
ep
icts
w
h
ich
v
e
r
tices
b
elo
n
g
s
to
w
h
ich
tr
ia
n
g
l
es.
L
et
{
}
d
ep
icts
th
e
s
et
o
f
v
er
tices
p
r
esen
t
d
u
r
in
g
m
e
s
h
tr
a
v
er
s
i
n
g
,
w
h
er
e
(
)
(
1
)
an
d
is
th
e
v
er
tice
s
s
ize.
An
i
m
p
o
r
tan
t
t
h
i
n
g
to
b
e
n
o
ted
h
er
e
is
th
at
ev
er
y
co
o
r
d
in
ates
*
+
.
I
n
g
e
n
er
al,
th
e
u
n
co
m
p
r
e
s
s
e
d
(
UC
)
f
o
r
m
o
f
m
es
h
m
o
d
els
(
MM
’
s
)
d
ep
icts
v
er
tex
co
o
r
d
in
ate
(
VC
)
as
a
b
it
f
lo
atin
g
-
p
o
in
t
(
FP
)
s
ize.
Fu
r
t
h
er
,
th
e
s
ize
o
f
e
v
er
y
V
C
’
s
i
m
p
o
r
tan
t
p
ar
a
m
e
ter
is
.
First,
w
it
h
in
a
n
ax
is
-
ali
g
n
ed
b
o
u
n
d
in
g
b
o
x
(
B
B
)
th
e
p
o
s
itio
n
s
ar
e
n
o
r
m
alize
d
.
Seco
n
d
,
u
n
i
f
o
r
m
l
y
t
h
e
co
o
r
d
in
ates
ar
e
q
u
an
tized
to
b
its
w
it
h
ce
r
tain
ac
cu
r
ac
ies.
T
h
u
s
,
th
e
y
ca
n
b
e
d
escr
ib
ed
as
in
teg
er
f
o
r
m
w
it
h
in
a
nd
.
E
m
p
ir
icall
y
,
,
-
.
Fo
r
ev
er
y
co
o
r
d
i
n
ate
o
f
a
v
er
tex
,
it is
n
o
r
m
aliz
ed
to
as d
escr
ib
ed
in
(
2
)
.
⌊
⌋
(
2
)
T
h
u
s
,
t
h
is
w
o
r
k
m
o
d
elled
3
D
m
es
h
m
o
d
els
e
n
cr
y
p
tio
n
,
m
e
s
h
d
ata
m
a
s
k
i
n
g
,
m
es
h
d
ec
r
y
p
tio
n
an
d
m
es
h
d
ata
e
x
tr
ac
tio
n
u
s
in
g
.
Fo
r
co
n
s
tr
u
ct
in
g
m
an
a
g
ed
m
es
h
e
s
,
th
e
m
o
d
el
tr
an
s
f
o
r
m
t
h
e
m
a
n
ag
ed
i
n
te
g
r
al
co
o
r
d
in
ates o
f
v
er
tices
̿
to
d
ec
im
al
co
o
r
d
in
ates
̿
in
r
ev
er
s
ib
le
m
an
n
er
̿
̿
̿
(
3
)
T
h
e
p
ar
am
eter
i
m
p
ac
ts
t
h
e
co
m
p
u
tatio
n
o
v
er
h
ea
d
o
f
ev
e
r
y
s
tag
e
o
f
th
e
b
u
ild
i
n
g
ef
f
ic
ien
t
w
ater
m
ar
k
i
n
g
m
et
h
o
d
o
f
en
cr
y
p
ted
m
e
s
h
m
o
d
el.
T
h
is
s
tag
e
i
s
co
m
p
o
s
ed
o
f
m
es
h
e
n
cr
y
p
tio
n
,
d
at
a
m
as
k
i
n
g
,
m
es
h
d
ec
r
y
p
tio
n
,
d
ata
ex
tr
ac
tio
n
,
a
n
d
m
e
s
h
r
ec
o
v
er
y
.
Alo
n
g
w
i
t
h
,
p
ar
a
m
eter
d
ef
i
n
es
w
h
et
h
er
a
3
D
m
es
h
m
o
d
el
s
ca
n
b
e
r
ec
o
n
s
tr
u
cted
i
n
lo
s
s
le
s
s
n
at
u
r
e
to
its
ac
tu
a
l
m
e
s
h
f
o
r
m
s
,
a
n
d
th
e
t
h
r
esh
o
ld
is
r
ep
r
es
en
ted
.
3
.
2
.
E
rr
o
r
identif
ica
t
i
o
n pre
dict
io
n
T
h
e
s
o
u
r
ce
u
s
er
tr
av
er
s
es
en
ti
r
e
v
er
tices
in
FD
’
s
o
f
3
D
m
es
h
in
an
asce
n
d
in
g
o
r
d
er
,
an
d
ca
lcu
late
d
m
as
k
ed
s
et
an
d
s
o
u
r
ce
s
et
ac
co
r
d
in
g
to
to
p
o
lo
g
ical
in
f
o
r
m
atio
n
a
m
o
n
g
v
er
tices.
So
u
r
ce
tr
av
er
s
es
t
h
e
in
itial
v
er
te
x
i
n
th
e
FD
a
n
d
ad
d
th
is
v
er
te
x
to
,
estab
lis
h
its
n
ei
g
h
b
o
r
in
g
v
er
t
ices
a
n
d
ad
d
th
e
m
to
.
T
h
e
m
as
k
ed
s
et
is
u
s
ed
to
m
a
s
k
ad
d
itio
n
al
d
ata,
an
d
th
e
s
o
u
r
ce
s
et
is
u
tili
ze
d
to
r
ec
o
v
er
/r
ec
o
n
s
tr
u
ct
t
h
e
m
e
s
h
w
it
h
o
u
t n
ee
d
o
f
m
o
d
i
f
y
in
g
t
h
e
v
er
tices d
u
r
i
n
g
t
h
e
e
n
tire
p
r
o
ce
d
u
r
e.
3
.
3
.
E
ncry
ptio
n o
f
3
D
m
esh
m
o
del
s
T
h
is
w
o
r
k
co
n
s
id
er
s
p
r
ep
r
o
ce
s
s
ed
v
er
tice
s
,
a
n
d
s
i
g
n
i
f
y
th
e
b
it
s
o
f
a
n
ele
m
e
n
t
o
f
a
v
er
te
x
as
,
w
h
er
e
an
d
*
+
.
T
h
is
in
f
er
s
t
h
at
⌊
⁄
⌋
(
4
)
T
h
e
d
ata
o
w
n
er
t
h
e
n
s
elec
t
s
a
n
en
cr
y
p
tio
n
k
e
y
u
s
i
n
g
ch
ao
ti
c
s
eq
u
e
n
ce
f
o
r
g
en
er
ati
n
g
p
s
e
u
d
o
-
r
an
d
o
m
b
it
s
u
tili
zi
n
g
s
tr
ea
m
cip
h
er
(
SC
)
f
u
n
ct
io
n
,
an
d
p
er
f
o
r
m
en
cr
y
p
t
i
o
n
s
o
f
th
e
b
its
tr
ea
m
o
f
t
h
e
p
r
ep
r
o
ce
s
s
ed
3
D
m
es
h
m
o
d
el
s
u
s
i
n
g
(
5
)
.
(
5
)
w
h
er
e
d
ep
icts
k
e
y
s
tr
ea
m
b
i
ts
,
d
ep
icts
co
n
s
tr
u
cted
cip
h
e
r
d
ata,
an
d
r
ep
r
esen
t
ex
clu
s
i
v
e
O
R
(
XOR).
T
h
u
s
,
th
e
e
n
cr
y
p
ted
in
teg
r
al
3
D
m
es
h
m
o
d
el
s
ca
n
b
e
co
n
s
tr
u
cted
u
s
i
n
g
(
6
)
.
∑
(
6
)
w
h
er
e
d
ep
icts
in
teg
r
al
p
ar
a
m
e
ter
o
f
co
o
r
d
in
ate
s
ets,
an
d
*
+
.
An
i
m
p
o
r
tan
t
th
in
g
t
o
b
e
s
ee
n
h
er
e
is
th
at
t
h
e
S
C
i
n
(
4
)
s
cr
am
b
les
co
o
r
d
in
ate
v
alu
es.
Ho
w
e
v
er
,
it
d
o
es
n
o
t
s
cr
a
m
b
le
th
e
lo
ca
tio
n
o
f
co
o
r
d
in
ates.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esia
n
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2502
-
4752
A
n
efficien
t d
a
ta
ma
s
kin
g
meth
o
d
fo
r
en
cryp
te
d
3
D
mesh
m
o
d
el
(
Ma
n
ika
mma
Ma
lip
a
til
)
961
3
.
4
.
D
a
t
a
m
a
s
kin
g
o
f
3
D
m
e
s
h
m
o
del
s
P
o
s
s
ess
i
n
g
en
cr
y
p
ted
i
n
f
o
r
m
atio
n
o
f
3
D
m
e
s
h
m
o
d
el
s
,
th
e
d
ata
m
as
k
er
d
o
es
n
o
t
h
a
v
e
a
n
y
k
n
o
w
led
g
e
o
f
th
e
ac
tu
al
m
e
s
h
d
ata.
F
u
r
th
er
,
t
h
e
m
as
k
er
c
an
m
as
k
a
n
ad
d
itio
n
al
d
ata
i
n
to
th
e3
D
m
e
s
h
b
y
ch
an
g
i
n
g
a
ce
r
tain
p
o
r
tio
n
o
f
th
e
en
cr
y
p
ted
m
e
s
h
co
n
te
n
t.
F
o
r
m
as
k
i
n
g
t
h
e
d
ata
in
to
m
e
s
h
m
o
d
el
is
s
elec
ted
b
ased
o
n
f
o
llo
w
i
n
g
co
n
d
itio
n
.
Si
n
ce
a
v
er
tex
i
s
li
m
ite
d
w
it
h
i
n
n
u
m
er
o
u
s
tr
ian
g
le
s
ets,
o
n
ce
if
a
n
y
m
o
d
i
f
icat
io
n
is
d
o
n
e
to
a
v
er
tex
f
o
r
m
as
k
i
n
g
d
ata,
th
e
n
eig
h
b
o
r
in
g
v
er
tice
s
m
u
s
t
n
o
t
b
e
ch
an
g
ed
an
d
is
u
tili
ze
d
to
r
ec
o
n
s
tr
u
c
t
th
e
p
r
in
cip
al
v
er
tex
b
y
n
eig
h
b
o
r
in
g
co
r
r
elatio
n
at
th
e
en
d
u
s
er
.
T
h
u
s
,
f
o
r
d
ata
m
a
s
k
er
s
,
f
ir
s
tl
y
t
h
e
y
m
u
s
t
s
e
g
m
en
t
th
e
v
er
tices
i
n
to
2
s
et
s
n
a
m
el
y
t
h
e
“m
a
s
k
ed
”
s
et
an
d
t
h
e
“
s
o
u
r
ce
”
s
et.
T
h
e
“m
as
k
ed
”
s
et
is
u
tili
ze
d
f
o
r
m
as
k
in
g
m
es
s
ag
e
a
n
d
t
h
e
“
s
o
u
r
ce
”
s
et
is
u
tili
ze
d
f
o
r
r
ec
o
n
s
tr
u
cti
n
g
th
e
n
eig
h
b
o
r
in
g
“m
as
k
ed
”
m
ess
a
g
e
at
t
h
e
e
n
d
u
s
er
s
id
e.
Da
ta
m
as
k
i
n
g
i
n
m
as
k
ed
s
et:
T
h
is
w
o
r
k
ta
k
es
a
d
ata
m
as
k
i
n
g
k
e
y
to
en
cr
y
p
t
t
h
e
m
as
k
ed
co
n
te
n
t.
Fo
r
ev
er
y
m
ask
ed
v
er
te
x
(
MV
)
in
t
h
e
m
a
s
k
ed
s
et
in
t
h
e
en
cr
y
p
ted
in
te
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ize
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ate
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*
+
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cr
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ize
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ar
atin
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th
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ize
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s
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d
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‖
‖
‖
‖
‖
‖
(
8
)
As
er
r
o
r
s
m
a
y
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is
e,
er
r
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co
r
r
ec
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es
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C
C
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an
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ip
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⌊
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⌋
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T
h
er
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o
r
e,
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ea
l size
o
f
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m
as
k
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in
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m
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s
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g
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[
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[
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1
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w
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ith
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tio
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‖
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(
1
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3
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5
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Dec
r
y
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Fo
r
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ar
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d
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(
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RE
F
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R
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NC
E
S
[1
]
A
.
Zale
s
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]
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Ho
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D.
Kim
,
W
.
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h
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d
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Acc
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[3
]
W
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C.
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Z.
Erk
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[5
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J.
L
iu
,
Y.
Y
a
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,
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M
a
,
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Wan
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a
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d
Z.
P
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n
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Wate
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m
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M
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th
o
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f
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r
3
D
M
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d
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ls
Ba
se
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a
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re
V
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rtex
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c
a
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z
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ti
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in
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[6
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X
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[7
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9
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