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(
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ak
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1
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C
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tec
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le
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u
ct
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m
ee
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it
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k
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telei
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w
ill
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ter
ac
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s
ta
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tl
y
w
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th
y
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f
r
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I
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s
o
r
to
th
e
"
co
m
m
o
d
it
y
I
n
ter
n
et"
,
as
th
e
ex
is
t
in
g
I
n
ter
n
et
i
s
n
o
w
k
n
o
wn
.
I
n
t
er
n
et
2
is
a
co
llab
o
r
ativ
e
p
r
o
j
ec
t,
o
v
er
s
ee
n
b
y
t
h
e
U
n
i
v
er
s
it
y
C
o
r
p
o
r
atio
n
f
o
r
A
d
v
an
ce
d
I
n
ter
n
et
Dev
el
o
p
m
e
n
t,
a
n
d
w
o
r
k
ed
o
n
b
y
1
3
0
US
u
n
i
v
er
s
i
ties
a
n
d
a
n
u
m
b
er
o
f
g
o
v
er
n
m
e
n
t
ag
en
cie
s
an
d
co
r
p
o
r
ate
s
p
o
n
s
o
r
s
.
I
lu
s
tr
ated
in
F
ig
u
r
e
1.
Fig
u
r
e
1
.
Vie
w
s
o
f
ca
m
er
as
T
elei
m
m
er
s
ed
en
v
ir
o
n
m
e
n
t
2.
CO
M
P
O
NE
NT
S O
F
A
H
O
L
O
G
R
AP
H
I
C
E
NVIRO
NM
E
NT
T
eleim
m
er
s
i
v
e
d
is
p
la
y
s
o
f
ea
r
lier
d
a
y
s
r
eq
u
ir
ed
u
s
er
to
w
ea
r
s
p
ec
ial
g
o
g
g
le
s
a
n
d
a
h
ea
d
d
ev
ice
t
h
at
tr
ac
k
ed
th
e
v
ie
w
p
o
in
t
o
f
t
h
e
u
s
er
lo
o
k
i
n
g
at
t
h
e
s
cr
ee
n
.
A
t
th
e
o
t
h
er
en
d
,
t
h
e
p
eo
p
le,
w
h
o
ap
p
ea
r
ed
as
3
d
i
m
a
g
e,
w
h
er
e
tr
ac
k
ed
w
it
h
an
d
ar
r
ay
o
f
8
o
r
d
in
ar
y
v
id
eo
ca
m
er
as
w
h
ile
t
h
r
ee
o
th
er
v
id
e
o
ca
m
er
as
ca
p
t
u
r
ed
r
ea
l
lif
e
p
atter
n
s
p
r
o
j
ec
ted
in
ea
ch
r
o
o
m
to
ca
lcu
late
d
is
tan
ce
.
T
h
is
en
ab
led
th
e
p
r
o
p
er
d
ep
th
to
th
e
r
ec
r
ea
ted
o
n
th
e
s
cr
e
e
n
.
So
if
an
o
b
s
er
v
er
m
o
v
e
h
er
e
h
ea
d
to
th
e
le
f
t,
s
h
e
co
u
ld
s
ee
t
h
e
co
r
r
esp
o
n
d
in
g
i
m
a
g
e
th
a
t
w
o
u
ld
b
e
s
ee
n
if
s
h
e
w
er
e
ac
t
u
all
y
in
th
e
r
o
o
m
w
i
th
t
h
e
p
er
s
o
n
o
n
t
h
e
s
cr
ee
n
.
I
l
u
s
tr
ated
in
Fig
u
r
e
2
.
Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
-
I
C
T
I
SS
N:
2252
-
8776
T
ele
-
i
mme
r
s
io
n
(
A.
Ja
ya
n
th
ila
Dev
i
)
75
Fig
u
r
e
2.
V
id
eo
ca
m
er
as c
ap
t
u
r
ed
r
ea
l lif
e
p
atter
n
s
Scien
ti
s
ts
ar
e
d
e
v
elo
p
in
g
n
e
w
tech
n
o
lo
g
ie
s
s
u
p
p
o
r
t
t
h
i
s
t
y
p
e
o
f
co
m
m
u
n
icat
io
n
.
A
p
ar
t
o
f
th
e
s
e
n
e
w
tech
n
o
lo
g
ies i
s
:
1.
T
elec
u
b
ical
User
s
w
i
ll
co
m
m
u
n
icate
b
y
u
s
in
g
th
i
s
tec
h
n
o
lo
g
y
.
I
t
co
n
s
i
s
t
o
f
a
Ster
eo
i
m
m
er
s
i
v
e
d
esk
s
u
r
f
ac
e
a
n
d
t
w
o
s
ter
eo
i
m
m
er
s
i
v
e
w
all
s
u
r
f
ac
e
s
.
T
h
ese
th
r
ee
d
is
p
la
y
s
u
r
f
ac
es
j
o
in
to
f
o
r
m
a
v
ir
t
u
al
co
n
f
er
en
ce
tab
le
in
th
e
ce
n
tr
e.
T
h
is
w
ill
allo
w
t
h
e
r
ea
lis
tic
in
c
lu
s
io
n
o
f
telei
m
m
er
s
i
o
n
in
to
th
e
w
o
r
k
en
v
ir
o
n
m
e
n
t
,
as
it
w
ill
ta
k
e
u
p
th
e
u
s
u
al
a
m
o
u
n
t o
f
d
esk
s
p
ac
e.
2.
I
n
ter
n
et2
T
h
is
w
ill
r
ep
lace
t
h
e
c
u
r
r
en
t
in
ter
n
e
t
i
n
f
r
a
s
tr
u
ct
u
r
e.
I
t
i
s
a
co
n
s
o
r
tiu
m
m
ad
e
u
p
o
f
t
h
e
U
S
g
o
v
er
n
m
e
n
t,
in
d
u
s
tr
y
an
d
ac
ad
e
m
ia
(
1
8
0
u
n
iv
er
s
itie
s
)
th
at
h
a
s
b
ee
n
f
o
r
m
e
d
f
o
r
cr
ea
tin
g
to
m
o
r
r
o
w
‟
s
in
te
r
n
et.
T
h
is
n
e
w
n
et
w
o
r
k
w
ill
h
a
v
e
a
h
i
g
h
er
b
an
d
w
id
th
a
n
d
s
p
ee
d
s
th
at
ar
e
1
0
0
0
tim
e
s
f
aster
t
h
a
n
to
d
a
y
‟
s
in
ter
n
et.
T
h
i
s
h
ig
h
b
an
d
w
id
th
,
h
ig
h
s
p
ee
d
n
et
w
o
r
k
is
n
ec
ess
ar
y
to
tr
an
s
f
e
r
th
e
lar
g
e
a
m
o
u
n
ts
o
f
d
ata
th
at
telei
m
m
er
s
i
o
n
w
il
l p
r
o
d
u
ce
.
3.
B
an
d
w
id
t
h
is
s
u
e
s
Net
w
o
r
k
b
an
d
w
id
t
h
r
eq
u
ir
ed
to
m
a
k
e
telei
m
m
er
s
io
n
w
o
r
k
i
s
o
n
e
o
f
th
e
m
a
in
co
n
ce
r
n
s
o
f
t
h
i
s
n
e
w
tech
n
o
lo
g
y
.
I
t
i
s
esti
m
ated
t
h
at
as
m
u
c
h
as
1
.
2
g
i
g
ab
its
p
e
r
s
ec
w
ill
b
e
n
ee
d
ed
f
o
r
f
u
t
u
r
e
h
ig
h
q
u
al
it
y
ef
f
ec
ts
.
T
h
is
is
m
u
ch
h
i
g
h
e
r
th
an
th
e
av
er
a
g
e
h
o
m
e
c
o
n
n
ec
tio
n
b
an
d
w
id
t
h
.
T
h
e
ex
ac
t
a
m
o
u
n
t
o
f
b
an
d
w
id
t
h
n
ee
d
ed
f
o
r
ea
c
h
s
c
en
e
d
ep
en
d
s
o
n
t
h
e
co
m
p
le
x
it
y
o
f
t
h
e
b
ac
k
g
r
o
u
n
d
.
W
ith
t
i
m
e,
th
e
n
u
m
b
er
o
f
m
eg
ab
it
s
u
s
ed
w
ill
f
all
a
s
ad
v
an
ce
d
co
m
p
r
ess
io
n
tech
n
iq
u
e
s
ar
e
estab
lis
h
ed
.
C
u
r
r
en
tl
y
,
t
h
e
„
last
m
ile
‟
o
f
n
et
w
o
r
k
co
n
n
ec
tio
n
s
f
o
r
to
p
co
m
p
u
ter
s
cie
n
ce
d
ep
ar
t
m
en
t
s
in
U
S
u
s
e
a
n
OC
3
li
n
e.
T
h
is
ca
n
ca
r
r
y
1
5
5
m
eg
ab
it
s
p
er
s
ec
o
n
d
an
d
s
u
p
p
o
r
ts
,
at
a
b
asic
lev
el,
a
th
r
ee
w
a
y
co
n
v
er
s
a
tio
n
.
A
lt
h
o
u
g
h
O
C
3
lin
es
ar
e
1
0
0
ti
m
e
s
f
a
s
ter
th
a
n
n
o
r
m
al
b
r
o
ad
b
an
d
,
th
e
y
ar
e
also
m
o
r
e
ex
p
e
n
s
i
v
e.
I
llu
s
tr
ated
in
Fi
g
u
r
e
3.
Fig
u
r
e
3.
B
an
d
w
id
t
h
o
v
er
ti
m
e
–
b
an
d
w
id
th
u
tili
za
t
io
n
g
r
ap
h
I
n
itiall
y
,
b
an
d
w
id
th
-
i
n
te
n
s
i
v
e
ap
p
licatio
n
w
i
ll
h
a
v
e
to
b
e
lim
ited
to
th
e
lar
g
er
o
r
g
a
n
izatio
n
s
t
h
at
ca
n
af
f
o
r
d
h
ig
h
co
n
n
ec
tio
n
s
p
ee
d
s
.
T
h
e
a
m
o
u
n
t
o
f
d
ata
s
e
n
t
t
o
r
en
d
er
th
i
s
telep
r
ese
n
ce
w
i
ll
also
r
eq
u
ir
e
f
a
s
t
p
r
o
ce
s
s
in
g
p
o
w
er
.
T
h
is
w
ill
n
ee
d
to
b
e
av
ailab
le
as
r
eq
u
ir
ed
o
n
th
e
in
ter
n
et.
[
2
]
A
n
e
w
n
et
w
o
r
k
ca
lled
th
e
Gr
id
co
u
ld
b
e
a
s
o
l
u
tio
n
.
T
h
e
Gr
id
w
ill
u
s
e
d
is
tr
ib
u
ted
co
m
p
u
ti
n
g
.
T
h
er
e
ar
e
n
o
t
en
o
u
g
h
s
u
p
er
co
m
p
u
ter
s
t
o
id
ea
l
w
it
h
th
e
en
o
r
m
o
u
s
a
m
o
u
n
t
o
f
d
ata
th
at
w
ill
r
u
s
h
th
r
o
u
g
h
th
e
n
e
t
in
th
e
f
u
tu
r
e.
As
a
s
o
lu
tio
n
,
n
e
w
n
et
w
o
r
k
w
ill
co
n
n
ec
t
th
e
ir
P
C
s
s
o
th
e
y
ca
n
s
h
ar
e
p
r
o
ce
s
s
in
g
p
o
w
er
an
d
h
ar
d
d
is
k
s
p
ac
e.
T
h
e
y
w
il
l
b
e
lo
ck
ed
in
to
a
g
r
id
-
e
f
f
ec
ti
v
el
y
cr
ea
ti
n
g
o
n
e
s
u
p
er
co
m
p
u
ter
.
1.
Dis
p
la
y
tec
h
n
o
lo
g
ies
S
ter
eo
i
m
m
er
s
i
v
e
d
is
p
la
y
s
w
o
u
ld
h
a
v
e
to
p
r
esen
t a
clea
r
v
ie
w
o
f
t
h
e
s
ce
n
es b
ei
n
g
tr
a
n
s
m
it
ted
.
2.
Hap
tic
s
en
s
o
r
s
W
o
u
ld
allo
w
to
to
u
ch
p
r
o
j
ec
tio
n
s
as i
f
th
e
y
w
er
e
r
ea
l.
3.
Desk
to
p
s
u
p
er
co
m
p
u
ter
s
W
o
u
ld
p
er
f
o
r
m
t
h
e
tr
illi
o
n
s
o
f
ca
lc
u
latio
n
s
n
ee
d
ed
to
cr
e
ate
a
h
o
lo
g
r
ap
h
ic
en
v
ir
o
n
m
e
n
t.
A
n
e
t
w
o
r
k
o
f
co
m
p
u
ter
s
t
h
at
s
h
ar
e
p
o
w
er
co
u
ld
also
p
o
s
s
ib
l
y
s
u
p
p
o
r
t th
ese
en
v
ir
o
n
m
e
n
ts
.
4.
Ho
w
T
elei
m
m
er
s
io
n
W
o
r
k
s
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
.
2
,
A
u
g
u
s
t
20
1
6
:
72
–
7
8
76
I
n
th
is
s
i
m
p
l
if
ied
s
c
h
e
m
e
f
o
r
h
o
w
a
f
u
t
u
r
e
telei
m
m
er
s
io
n
s
ch
e
m
e
m
i
g
h
t
w
o
r
k
,
t
w
o
p
ar
tn
er
s
s
ep
ar
ated
b
y
1
,
0
0
0
m
iles
co
llab
o
r
ate
o
n
a
n
e
w
e
n
g
in
e
d
esi
g
n
.
Fo
llo
w
i
n
g
t
h
e
f
lo
w
o
f
in
f
o
r
m
at
io
n
telei
m
m
er
s
io
n
d
ep
en
d
s
o
n
in
te
n
s
e
d
ata
p
r
o
ce
s
s
i
n
g
at
ea
c
h
en
d
o
f
a
co
n
n
ec
ti
o
n
,
m
ed
iated
b
y
h
i
g
h
p
er
f
o
r
m
an
ce
n
et
w
o
r
k
.
5.
Fro
m
th
e
s
en
d
er
P
ar
allel
p
r
o
ce
s
s
o
r
s
ac
ce
p
t
v
is
u
al
in
p
u
ts
f
r
o
m
th
e
ca
m
er
as
an
d
r
ein
ter
p
r
et
th
e
s
ce
n
e
as
a
3
-
Di
m
e
n
s
io
n
al
co
m
p
u
ter
m
o
d
el.
I
lu
s
tr
ated
in
F
ig
u
r
e
4
.
Fig
u
r
e
4.
3
D
P
r
o
ce
s
s
s
en
d
in
g
an
d
R
ec
ei
v
n
g
T
o
th
e
r
ec
eiv
er
:
Sp
ec
if
ic
r
en
d
er
in
g
o
f
r
e
m
o
te
p
eo
p
le
an
d
p
lace
s
ar
e
s
y
n
t
h
e
s
ized
f
r
o
m
th
e
m
o
d
el
as
i
t
is
r
ec
eiv
ed
to
m
atc
h
t
h
e
p
o
in
t
o
f
v
ie
w
o
f
ea
ch
e
y
e
o
f
a
u
s
er
.
T
h
e
w
h
o
le
p
r
o
ce
s
s
r
ep
ea
ts
m
a
n
y
ti
m
es
a
s
ec
o
n
d
to
k
ee
p
u
p
w
ith
t
h
e
u
s
er
h
ea
d
m
o
tio
n
.
Fig
u
r
e
5.
A
r
r
a
y
o
f
ca
m
er
a
3.
G
E
NE
R
AT
I
N
G
T
H
E
3
-
D
I
M
AG
E
1.
An
ar
r
a
y
o
f
ca
m
er
as
v
ie
w
s
p
e
o
p
le
an
d
th
eir
s
u
r
r
o
u
n
d
i
n
g
s
f
r
o
m
d
i
f
f
er
e
n
t
an
g
le
.
E
ac
h
ca
m
er
a
g
e
n
er
ates
an
i
m
a
g
e
f
r
o
m
it
s
p
o
in
t o
f
v
ie
w
m
a
n
y
ti
m
e
s
in
a
s
ec
o
n
d
.
2.
E
ac
h
s
et
o
f
t
h
e
i
m
ag
e
s
tak
e
n
a
t a
g
iv
e
n
i
n
s
ta
n
t is
s
o
r
ted
in
to
s
u
b
s
et
s
o
f
o
v
er
lap
p
in
g
tr
io
s
o
f
i
m
ag
e
s
3.
Fro
m
ea
c
h
tr
io
o
f
i
m
a
g
es,
a
“d
is
p
ar
it
y
m
ap
”
i
s
ca
lc
u
lated
,
r
ef
lecti
n
g
t
h
e
d
eg
r
ee
o
f
v
ar
iat
io
n
a
m
o
n
g
t
h
e
i
m
a
g
es
at
all
p
o
in
t
s
in
t
h
e
Di
s
p
ar
it
y
m
ap
v
is
u
al
f
ield
.
T
h
e
d
is
p
ar
ities
ar
e
th
en
a
n
al
y
ze
d
to
y
ield
d
ep
th
s
t
h
at
w
o
u
ld
ac
co
u
n
t
f
o
r
t
h
e
d
if
f
er
en
ce
s
b
et
w
ee
n
w
h
a
t
ea
ch
ca
m
er
a
s
ee
s
.
T
h
ese
d
ep
th
v
al
u
es
ar
e
co
m
b
i
n
ed
i
n
to
a
“
b
as r
elie
f
”
d
ep
th
m
ap
o
f
th
e
s
ce
n
e.
4.
A
ll
th
e
d
ep
t
h
m
ap
s
ar
e
co
m
b
i
n
ed
in
to
a
s
in
g
le
v
ie
w
p
o
i
n
t
i
n
d
ep
en
d
en
t
s
c
u
lp
tu
r
al
m
o
d
el
o
f
t
h
e
s
ce
n
e
at
a
g
iv
e
n
m
o
m
e
n
t.
P
r
o
ce
s
s
o
f
co
m
b
in
i
n
g
th
e
d
ep
th
m
ap
s
p
r
o
v
i
d
em
ap
s
o
p
p
o
r
tu
n
ities
m
f
in
a
l v
ie
w
.
4.
T
E
L
E
I
M
M
E
RSI
O
N
AND
V
I
RT
U
AL
R
E
A
L
I
T
Y:
T
eleim
m
er
s
io
n
m
a
y
s
o
u
n
d
lik
e
v
ir
t
u
al
r
ea
lit
y
b
u
t
th
er
e
ar
e
m
aj
o
r
d
if
f
er
en
ce
s
b
et
w
ee
n
th
e
t
wo
tech
n
o
lo
g
ies.
W
h
ile
v
ir
t
u
al
r
ea
lit
y
allo
w
s
y
o
u
to
m
o
v
e
i
n
a
co
m
p
u
ter
-
g
e
n
er
ated
3
-
D
en
v
ir
o
n
m
e
n
t,
telei
m
m
er
s
io
n
ca
n
o
n
l
y
cr
ea
te
a
3
d
en
v
ir
o
n
m
en
t
th
a
t
y
o
u
c
an
s
ee
b
u
t
n
o
t
i
n
ter
ac
t
w
it
h
.
H
o
w
e
v
er
,
in
ter
ac
tio
n
is
p
o
s
s
ib
le
b
y
co
m
b
i
n
in
g
t
h
e
t
w
o
tech
n
o
lo
g
ie
s
.
Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
-
I
C
T
I
SS
N:
2252
-
8776
T
ele
-
i
mme
r
s
io
n
(
A.
Ja
ya
n
th
ila
Dev
i
)
77
5.
T
E
L
E
I
M
M
E
RSI
VE
H
O
L
O
G
RAP
H
I
C
E
NV
I
RO
NM
E
NT
H
AVE A
NUM
B
E
R
O
F
AP
P
L
I
CA
T
I
O
N
S.
I
m
ag
i
n
e
a
v
id
eo
g
a
m
e
f
r
ee
o
f
j
o
y
s
tick
s
,
in
w
h
ic
h
y
o
u
b
ec
o
m
e
a
p
ar
ticip
an
t
i
n
t
h
e
g
a
m
e,
f
ig
h
ti
n
g
m
o
n
s
ter
s
o
r
s
co
r
in
g
to
u
ch
d
o
w
n
s
.
I
n
s
tead
o
f
tr
av
e
lin
g
h
u
n
d
r
ed
s
o
f
m
ile
s
to
v
is
it
y
o
u
r
r
elativ
e
s
d
u
r
i
n
g
th
e
h
o
lid
a
y
s
,
y
o
u
ca
n
s
i
m
p
l
y
ca
ll
th
e
m
u
p
a
n
d
j
o
in
th
e
m
in
a
s
h
ar
ed
h
o
lo
g
r
ap
h
ic
r
o
o
m
.
Do
cto
r
s
an
d
So
ld
ier
s
co
u
ld
u
s
e
telei
m
m
er
s
io
n
to
t
r
ain
in
a
s
i
m
u
lated
e
n
v
ir
o
n
m
en
t.
B
u
ild
in
g
i
n
s
p
ec
to
r
s
co
u
ld
to
u
r
s
tr
u
ctu
r
e
s
w
it
h
o
u
t
liv
i
n
g
th
eir
d
esk
s
.
Au
to
m
o
b
ile
d
esig
n
er
s
f
r
o
m
d
if
f
er
en
t
co
n
t
in
e
n
ts
co
u
ld
m
ee
t
to
d
ev
elo
p
th
e
n
ex
t
g
en
er
atio
n
o
f
v
e
h
icles.
S
u
r
g
eo
n
s
in
d
i
f
f
er
en
t
g
eo
g
r
ap
h
ical
s
p
ac
e
co
u
ld
ex
p
er
im
e
n
t
w
i
th
v
ir
t
u
al
m
ed
ica
l
p
r
o
ce
d
u
r
es
b
ef
o
r
e
w
o
r
k
in
g
o
n
ac
tu
al
p
atien
ts
.
Me
d
ical
tech
n
o
lo
g
ies
t
h
at
ar
e
p
h
y
s
ica
ll
y
i
n
ac
ce
s
s
ib
le
i
n
s
o
m
e
p
lace
s
co
u
ld
b
e
u
s
ed
to
s
av
e
liv
es
b
y
m
a
n
ip
u
lat
in
g
v
ir
t
u
al
m
o
d
el
s
,
in
s
t
an
ce
,
o
f
f
s
h
o
r
e
o
ilrig
s
a
n
d
s
h
ip
s
.
I
n
th
e
en
ter
tai
n
m
e
n
t
in
d
u
s
tr
y
,
b
allr
o
o
m
d
a
n
ce
r
s
co
u
ld
tr
ain
to
g
eth
er
f
r
o
m
s
ep
ar
ate
p
h
y
s
ical
s
p
ac
es.
I
n
s
tead
o
f
co
m
m
u
ti
n
g
to
w
o
r
k
f
o
r
a
b
o
ar
d
m
ee
ti
n
g
,
b
u
s
i
n
es
s
p
er
s
o
n
s
co
u
ld
atten
d
it
b
y
p
r
o
j
ec
tin
g
t
h
e
m
s
el
v
es
in
to
th
e
co
n
f
er
en
ce
r
o
o
m
.
T
h
e
lis
t
o
f
a
p
p
licatio
n
s
i
s
lar
g
e
a
n
d
v
ar
ie
d
,
an
d
o
n
e
th
i
n
g
i
s
cr
y
s
tal
cle
ar
-
t
h
is
tec
h
n
o
lo
g
y
w
il
l si
g
n
if
ica
n
tl
y
a
f
f
ec
t th
e
ed
u
ca
tio
n
al,
s
cien
tific
an
d
m
ed
ic
al
s
ec
to
r
s
.
[
3
]
5
.
1
.
M
edicine
T
eleim
m
er
s
io
n
ca
n
b
e
im
m
e
n
s
e
u
s
e
th
e
f
iel
d
o
f
m
ed
ici
n
e.
T
h
e
w
a
y
m
ed
ici
n
e
is
t
h
o
u
g
h
t
a
n
d
p
r
ac
ticed
h
as a
l
w
a
y
s
b
ee
n
v
er
y
h
an
d
s
-
o
n
.
I
t is
i
m
p
o
s
s
ib
le
to
tr
ea
t a
p
atien
t o
v
er
t
h
e
p
h
o
n
e
o
r
g
iv
e
in
s
tr
u
ct
io
n
s
f
o
r
a
tu
m
o
u
r
to
b
e
r
em
o
v
ed
w
it
h
o
u
t
p
h
y
s
icall
y
b
ein
g
th
er
e.
W
ith
th
e
h
elp
o
f
telei
m
m
e
r
s
io
n
,
3
d
s
u
r
g
ical
lear
n
in
g
f
o
r
v
ir
t
u
al
o
p
er
atio
n
is
n
o
w
i
n
p
lace
an
d
,
in
th
e
f
u
t
u
r
e,
th
e
h
o
p
e
is
to
b
e
ab
le
to
ca
r
r
y
o
u
t
r
ea
l
s
u
r
g
er
y
o
n
r
ea
l
p
atien
ts
.
A
g
eo
g
r
ap
h
icall
y
d
is
ta
n
ce
d
s
u
r
g
eo
n
co
u
l
d
b
e
teleim
m
er
s
ed
in
to
an
o
p
er
atio
n
th
ea
tr
e
to
p
er
f
o
r
m
an
o
p
er
atio
n
.
T
h
is
c
o
u
ld
p
atien
tl
y
b
e
li
f
e
s
a
v
i
n
g
if
t
h
e
p
atie
n
t
is
in
n
ee
d
o
f
s
p
ec
ial
ca
r
e
(
eith
er
a
tech
n
iq
u
e
o
r
a
p
iece
o
f
eq
u
ip
m
en
t)
,
w
h
ic
h
is
n
o
t
av
ai
lab
le
at
th
e
p
ar
ticu
lar
lo
ca
tio
n
.
T
eleim
m
er
s
io
n
„
w
il
l
g
i
v
e
s
u
r
g
eo
n
s
t
h
e
ab
ilit
y
to
s
u
p
er
im
p
o
s
e
a
n
ato
m
ic
i
m
a
g
es
r
i
g
h
ts
o
n
t
h
eir
p
atie
n
t
s
w
i
ll
t
h
e
y
ar
e
b
ein
g
o
p
er
ated
o
n
‟
.
T
h
e
ar
g
u
m
e
n
t
a
g
ai
n
s
t
t
h
is
i
s
:
h
o
w
r
eliab
le
i
s
th
is
tec
h
n
o
lo
g
y
?
W
h
at
w
o
u
ld
b
e
th
e
le
g
al
i
m
p
licatio
n
if
t
h
e
tech
n
o
lo
g
y
f
ails
s
u
d
d
en
l
y
a
n
d
th
e
telei
m
m
er
s
ed
s
u
r
g
eo
n
d
i
s
ap
p
ea
r
s
in
th
e
m
id
d
le
o
f
an
o
p
er
atio
n
,
w
i
th
t
h
e
p
atien
t
le
f
t
w
it
h
o
u
t
m
ed
ical
h
elp
?
Ho
w
ac
cu
r
ate
ar
e
t
h
e
m
o
v
e
m
e
n
t
s
o
f
t
h
e
tr
an
s
p
o
r
ted
d
o
cto
r
w
h
e
n
w
it
h
i
n
an
en
v
ir
o
n
m
e
n
t?
W
ill
t
h
e
d
o
cto
r
b
e
ab
le
to
s
en
s
e
a
p
atien
t‟
s
m
o
o
d
an
d
f
ee
lin
g
s
?
T
h
ese
ar
e
d
if
f
icu
lt
q
u
e
s
tio
n
s
to
an
s
w
er
a
n
d
th
er
e
ar
e
b
o
n
d
to
b
e
m
an
y
s
k
ep
tics
.
5
.
2
.
Uses
in E
du
ca
t
io
n
I
n
ed
u
ca
tio
n
,
telei
m
m
er
s
io
n
ca
n
b
e
u
s
ed
to
b
r
i
n
g
to
g
et
h
er
s
t
u
d
en
t
s
at
r
e
m
o
te
s
ites
in
a
s
i
n
g
le
en
v
ir
o
n
m
e
n
t
r
elatio
n
s
h
ip
a
m
o
n
g
ed
u
ca
tio
n
al
i
n
s
t
itu
tio
n
s
co
u
ld
i
m
p
r
o
v
e
tr
e
m
en
d
o
u
s
l
y
i
n
th
e
f
u
t
u
r
e
w
it
h
th
e
us
e
o
f
telei
m
m
er
s
io
n
.
A
lr
ea
d
y
,
t
h
e
ac
ad
e
m
ic
w
o
r
ld
i
s
s
h
ar
in
g
i
n
f
o
r
m
atio
n
o
n
r
esear
ch
a
n
d
d
ev
elo
p
m
e
n
t
to
b
etter
th
e
e
n
d
r
es
u
lt
s
.
T
elei
m
m
er
s
io
n
w
il
l
o
n
l
y
p
r
o
m
o
te
t
h
i
s
co
llab
o
r
atio
n
.
T
h
is
w
ill
b
e
d
is
ti
n
ct
ad
v
a
n
ta
g
e
i
n
s
u
r
g
ical
tr
ain
i
n
g
.
W
h
ile
it
w
ill
n
o
t
r
ep
lac
e
th
e
h
an
d
s
o
n
tr
ai
n
in
g
,
t
h
is
tec
h
n
o
lo
g
y
w
i
ll
g
i
v
e
s
u
r
g
eo
n
s
a
ch
a
n
ce
to
lear
n
co
m
p
le
x
s
it
u
atio
n
s
b
e
f
o
r
e
th
e
tr
ea
t
t
h
eir
p
atien
ts
.
W
ith
te
lei
m
m
er
s
io
n
i
n
s
ch
o
o
ls
,
s
tu
d
en
t
s
co
u
ld
h
a
v
e
ac
ce
s
s
to
d
ata
o
r
co
n
tr
o
l
a
te
lesco
p
e
f
r
o
m
a
r
e
m
o
te
lo
ca
tio
n
,
o
r
m
ee
t
th
e
s
t
u
d
en
t
s
f
r
o
m
o
t
h
er
co
u
n
tr
ies
b
y
p
r
o
j
ec
tin
g
t
h
e
m
s
el
v
es
in
to
a
f
o
r
eig
n
s
p
ac
e.
I
n
ter
n
et2
w
i
ll
p
r
o
v
id
e
ac
ce
s
s
to
d
ig
ital
lib
r
ar
ies
an
d
lab
s
,
o
p
en
in
g
u
p
th
e
li
n
e
s
o
f
co
m
m
u
n
icat
io
n
f
o
r
s
t
u
d
en
t
s
.
T
elei
m
m
er
s
io
n
w
il
l
b
r
in
g
to
th
e
m
p
la
ce
,
eq
u
ip
m
en
t
an
d
s
itu
a
tio
n
s
ea
r
lier
n
o
t
a
v
ailab
l
e,
h
elp
in
g
th
e
m
ex
p
er
ie
n
ce
wh
at
th
e
y
co
u
ld
h
a
v
e
o
n
l
y
w
at
ch
ed
,
r
ea
d
o
r
h
ea
r
d
ab
o
u
t e
ar
lier
.
[
4
]
5
.
3
.
F
uture
O
f
f
ice
I
n
y
ea
r
s
to
co
m
e,
i
n
s
tead
o
f
ask
i
n
g
f
o
r
a
co
llea
g
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e
o
n
t
h
e
p
h
o
n
e
y
o
u
w
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ll
f
i
n
d
it
ea
s
ier
to
i
n
s
tr
u
ct
y
o
u
r
co
m
p
u
ter
to
f
in
d
h
i
m
.
O
n
ce
y
o
u
d
o
th
a
t,
y
o
u
w
ill
p
r
o
b
ab
ly
s
ee
a
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lic
k
er
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e
o
f
y
o
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o
f
f
ice
w
al
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n
d
f
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d
th
at
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r
co
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e,
w
h
o
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s
p
h
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y
p
r
e
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en
t
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o
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er
cit
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is
s
itti
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r
ig
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t
ac
r
o
s
s
y
o
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a
s
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f
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e
is
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i
g
h
t
th
er
e.
T
h
e
p
er
s
o
n
at
t
h
e
o
th
er
en
d
w
ill
e
x
p
er
ien
ce
th
e
s
a
m
e
i
m
m
er
s
i
v
e
co
n
n
ec
tio
n
.
W
it
h
t
h
e
telei
m
m
er
s
io
n
b
r
in
g
i
n
g
t
w
o
o
r
m
o
r
e
d
i
s
tan
t
p
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p
le
to
g
eth
er
i
n
a
s
i
n
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le,
s
i
m
u
lated
o
f
f
ice
s
etti
n
g
b
u
s
i
n
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s
tr
av
el
w
ill
b
ec
o
m
e
q
u
ite
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n
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a
n
t.V
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er
e
n
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ter
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et
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s
n
o
t
a
p
er
f
ec
t
f
o
r
m
o
f
co
m
m
u
n
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n
.
T
h
e
i
m
ag
e
i
s
clo
s
ed
to
r
ea
l
ti
m
e
b
u
t
t
h
er
e
ar
e
d
ela
y
s
t
h
at
ca
u
s
e
d
is
to
r
ted
v
id
e
o
.
A
ls
o
,
i
f
s
o
m
eo
n
e
w
alk
s
o
u
t
o
f
th
e
v
ie
w
o
f
a
ca
m
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t
h
e
p
er
s
o
n
i
s
n
o
lo
n
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e
r
v
is
ib
le.
Ho
w
e
v
er
,
w
it
h
tele
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m
m
er
s
io
n
,
p
eo
p
le
w
ill
al
w
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r
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m
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v
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b
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to
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lo
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p
la
y
s
cr
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f
r
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m
d
if
f
er
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n
t
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g
les.
T
elei
m
m
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s
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o
n
tak
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id
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co
n
f
er
en
ci
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g
to
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ig
h
er
lev
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it
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s
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d
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p
t,
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h
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an
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m
t
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u
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ter
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o
th
er
an
d
t
h
e
w
o
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ld
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n
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e
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er
al.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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:
2
2
5
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IJ
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Vo
l.
5
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2
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A
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s
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20
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6
:
72
–
7
8
78
6.
CO
NCLU
SI
O
N
W
h
en
tele
-
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er
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o
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lace
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ly
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id
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it lo
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tio
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with
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t lo
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m
e
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av
el.
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n
f
ac
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tele
-
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m
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er
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io
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ig
h
t
co
m
e
to
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s
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a
s
r
e
al
co
m
p
etitio
n
f
o
r
air
tr
av
el
--
u
n
li
k
e
v
id
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co
n
f
er
e
n
cin
g
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A
l
th
o
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f
e
w
w
o
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ld
clai
m
t
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at
tele
-
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m
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er
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io
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ill
b
e
ab
s
o
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u
tel
y
as
g
o
o
d
as
"
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in
th
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ter
m
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it
m
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t
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e
g
o
o
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en
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o
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u
s
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tin
g
s
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p
r
o
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io
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l
c
o
n
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ltatio
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s
,
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ai
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g
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ad
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s
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o
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1
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s
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is
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o
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o
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l
y
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a
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er
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ll
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ec
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e
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to
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w
t
h
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au
s
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o
f
s
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f
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y
,
la
n
d
u
s
e
an
d
e
n
v
ir
o
n
m
e
n
tal
co
n
ce
r
n
s
.
Un
d
o
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b
ted
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y
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-
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m
m
er
s
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n
w
i
ll
p
o
s
e
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e
w
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h
al
len
g
e
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as
w
ell.
So
m
e
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y
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s
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e
ex
p
r
es
s
ed
a
co
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ce
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m
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er
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ex
p
o
s
es
to
o
m
u
c
h
,
th
a
t
telep
h
o
n
es
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d
v
id
eo
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n
f
er
en
ci
n
g
t
o
o
ls
m
a
k
e
it
ea
s
ier
f
o
r
p
ar
ticip
an
ts
to
co
n
tr
o
l
th
eir
ex
p
o
s
u
r
e
--
to
p
u
t
th
e
p
h
o
n
e
d
o
w
n
o
r
m
o
v
e
o
f
f
-
s
cr
ee
n
.
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e
ar
e
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o
p
ef
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l
t
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at
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th
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er
ien
c
e
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ll
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th
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ter
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n
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tio
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o
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eh
av
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t
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ess
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u
ch
p
o
ten
tial p
r
o
b
lem
s
.
RE
F
E
R
E
NC
E
S
[1
]
T
.
A
.
De
F
a
n
ti
,
M
.
D.
Br
,
R.
S
tev
e
n
s
(G
u
e
st
Ed
it
o
rs),
“
V
ir
tu
a
l
Re
a
li
ty
Ov
e
r
Hig
h
-
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d
Ne
tw
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rk
s,
”
I
EE
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Co
mp
u
ter
Gr
a
p
h
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&
Ap
p
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c
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ti
o
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s
,
J
u
ly
1
9
9
6
,
Vo
l.
1
6
,
No
.
4
,
p
p
.
1
4
-
1
7
,
4
2
-
84
[2
]
T
.
A
.
De
F
a
n
ti
,
I.
F
o
ste
r,
M
.
P
a
p
k
a
,
R.
S
tev
e
n
s,
T
.
Ku
h
f
u
ss
,
“
Ov
e
rv
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w
o
f
th
e
I
-
WA
Y:
W
id
e
A
re
a
V
isu
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l
S
u
p
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rc
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p
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,
”
In
ter
n
a
ti
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a
l
J
o
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rn
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f
S
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p
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rc
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ter
Ap
p
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ti
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s
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n
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Hig
h
Per
fo
rm
a
n
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e
Co
mp
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t
in
g
,
Vo
l
.
1
0
,
N
o
.
2
/3
,
S
u
m
m
e
r/F
a
ll
1
9
9
6
,
p
p
.
1
2
3
-
1
3
1
[3
]
M
.
G
h
a
z
isa
e
d
y
,
D.
A
d
a
m
c
z
y
k
,
D.J
.
S
a
n
d
in
,
R.
V
.
Ke
n
y
o
n
,
T
.
A
.
De
F
a
n
ti
,
“
Ultra
so
n
ic
C
a
li
b
r
a
ti
o
n
o
f
a
M
a
g
n
e
ti
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T
ra
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k
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in
a
Vi
rtu
a
l
Rea
li
ty
S
p
a
c
e
,
”
P
ro
c
e
e
d
in
g
s
o
f
th
e
IEE
E
Virtu
a
l
Re
a
li
ty
A
n
n
u
a
l
In
tern
a
ti
o
n
a
l
S
y
m
p
o
siu
m
(V
RA
IS
9
5
),
Re
se
a
rc
h
T
rian
g
le P
a
rk
,
NC,
M
a
rc
h
1
9
9
5
[4
]
A
.
Jo
h
n
so
n
,
J.
L
e
ig
h
,
J.
Co
stig
a
n
,
“
M
u
lt
iw
a
y
T
e
le
-
I
m
m
e
r
sio
n
a
t
S
u
p
e
rc
o
m
p
u
ti
n
g
„9
7
,
”
IEE
E
Co
m
p
u
ter
G
ra
p
h
ics
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