T
E
L
KO
M
NIK
A
, V
ol
.
17
,
No.
6,
Dec
em
be
r
20
1
9,
p
p.
2
82
6
~
2
83
3
IS
S
N: 1
69
3
-
6
93
0
,
accr
ed
ited
F
irst
Gr
ad
e b
y K
em
en
r
istekdikti,
Decr
ee
No: 2
1/E/
K
P
T
/20
18
DOI:
10.12928/TE
LK
OM
N
IK
A
.v
1
7
i
6
.
13
240
◼
28
26
Rec
ei
v
ed
J
ul
y
2
,
20
1
8
;
Rev
i
s
ed
Ma
y
29
,
20
1
9
;
A
c
c
ep
t
ed
J
ul
y
18
,
20
1
9
Com
pressi
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a
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ncr
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p
tio
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f
or ECG
b
io
me
di
cal
s
ig
nal
in
h
eal
th
c
are
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M
u
staf
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mad
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as
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at Ib
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anap
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a
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a
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strac
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s
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g
a
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a
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l
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s
i
s
.
Pro
p
e
r
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p
re
s
s
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o
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m
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c
h
a
n
i
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m
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c
a
n
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o
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l
y
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m
p
ro
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e
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ff
i
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n
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y
b
u
t
a
l
s
o
h
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l
p
i
n
fa
s
te
r
p
o
rti
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g
o
f
d
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ta
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ro
m
o
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e
d
e
v
i
c
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to
a
n
o
t
h
e
r
d
u
e
to
i
t
s
c
o
m
p
a
c
t
s
i
z
e
.
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s
o
,
th
e
c
o
l
l
e
c
te
d
EC
G
s
i
g
n
a
l
s
a
r
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p
ro
c
e
s
s
e
d
t
h
r
o
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g
h
v
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m
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n
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r
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n
o
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e
a
n
d
th
e
n
c
o
m
p
re
s
s
e
d
.
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o
u
r
s
c
h
e
m
e
,
w
e
p
ro
p
o
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e
u
s
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o
f
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u
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r
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l
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k
s
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c
h
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s
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t
e
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o
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d
.
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a
g
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f
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g
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i
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e
n
t
m
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th
o
d
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fo
r
p
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k
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e
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t
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o
n
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o
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m
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l
,
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o
m
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s
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d
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re
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s
m
i
s
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i
o
n
o
f
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s
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g
n
a
l
f
ro
m
s
e
n
s
o
r
to
th
e
m
o
n
i
to
r
.
T
h
i
s
wor
k
fu
rth
e
r
m
a
k
e
s
u
s
e
o
f
AES
2
5
6
CBC
m
o
d
e
,
whi
c
h
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s
b
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re
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s
e
d
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n
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m
b
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d
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d
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v
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s
,
p
r
o
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s
to
b
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y
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tro
n
g
a
n
d
e
ff
i
c
i
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n
t
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n
c
i
p
h
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ri
n
g
o
f
th
e
i
n
f
o
rm
a
ti
o
n
.
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e
PRD
o
u
t
c
o
m
e
o
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p
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p
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d
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o
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c
o
m
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s
a
s
0
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n
d
CR
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s
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,
w
h
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c
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i
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tt
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th
a
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x
i
s
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s
c
h
e
m
e
s
.
Ex
p
e
ri
m
e
n
t
a
l
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s
u
l
ts
p
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o
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t
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o
f
p
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p
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d
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f
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d
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n
c
t
s
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g
n
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l
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c
o
rd
s
f
ro
m
M
IT
-
BIH a
rrh
y
t
h
m
i
a
d
a
ta
s
e
ts
.
Key
w
ords
:
CBC
m
o
d
e
,
c
o
m
p
r
e
s
s
i
o
n
,
e
l
e
c
tro
c
a
rd
i
o
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a
m
,
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n
c
ry
p
ti
o
n
,
s
e
c
u
ri
t
y
Copy
righ
t
©
2
0
1
9
Uni
v
e
rsi
t
a
s
Ahm
a
d
D
a
hl
a
n.
All
rig
ht
s
r
e
s
e
rve
d
.
1.
Int
r
o
d
u
ctio
n
T
he
Heart
r
e
l
at
ed
di
s
e
as
es
are
b
ec
om
i
ng
m
uc
h
c
o
m
m
o
n
a
l
l
o
v
er
t
he
wor
l
d
d
ue
t
o
s
ev
era
l
f
ac
tors
tha
t
i
s
ac
t
i
v
el
y
af
f
ec
ti
ng
s
tr
es
s
l
e
v
e
l
a
nd
p
h
y
s
i
c
al
c
on
di
ti
o
n
of
th
e
i
nd
i
v
i
d
ua
l
s
.
In
m
ed
i
c
a
l
f
i
el
d,
e
l
ec
tr
oc
ard
i
og
r
am
(
E
CG
)
s
i
gn
al
pr
oc
es
s
i
ng
i
s
r
e
s
ea
r
c
he
d
nu
m
erous
ti
m
es
i
n
the
p
as
t
du
e
to
i
ts
s
i
g
ni
f
i
c
an
c
e
i
n
m
on
i
t
orin
g
h
ea
r
t
s
t
atu
s
[
1]
.
E
C
G
s
i
gn
al
s
c
arr
y
e
l
ec
tr
i
c
a
l
wav
es
of
h
ea
r
t
f
un
c
ti
on
s
,
w
h
i
c
h m
ai
nl
y
c
on
s
i
s
ts
of
f
i
v
e k
i
nd
s
of
pe
ak
s
i
.e.
P
, Q
, R, S
an
d T
. Q
RS
c
om
pl
ex
i
n t
hi
s
c
on
tex
t
i
s
v
er
y
s
i
gn
i
f
i
c
an
t
t
o
be
r
ec
og
ni
z
ed
.
It
i
l
l
us
tr
at
es
l
ef
t
a
nd
r
i
gh
t
v
en
tr
i
c
ul
ar
de
p
ol
ari
z
at
i
on
an
d
h
as
no
r
m
al
du
r
at
i
o
n
of
80
m
s
-
100
m
s
.
Nor
m
al
l
y
,
a
p
ers
on
ha
s
a
he
art
r
ate
of
80
-
10
0
b
ea
ts
p
er
m
i
nu
te.
If
the
he
art
r
at
e
go
e
s
be
y
o
nd
1
00
b
ea
ts
pe
r
m
i
nu
te,
th
e
c
on
d
i
t
i
on
i
s
term
ed
as
tac
h
y
c
ard
i
a
an
d
i
f
the
be
ats
are
l
es
s
th
an
60
pe
r
m
i
nu
te,
i
t
i
s
ter
m
ed
as
brad
y
c
ardi
a
[2]
.
A
dv
a
nc
em
en
ts
i
n
m
ed
i
c
al
s
c
i
en
c
e
a
nd
po
r
t
ab
l
e
i
ns
tr
um
en
ts
ha
v
e
dra
s
ti
c
al
l
y
r
e
du
c
ed
s
en
s
or
e
qu
i
pm
en
t
s
i
z
e.
P
orta
bl
e
E
CG
s
en
s
i
ng
de
v
i
c
es
ob
ta
i
n
the
s
i
g
na
l
s
an
d
s
en
d
i
t
di
r
ec
tl
y
to
the
m
on
i
tor
f
or
f
urther
an
a
l
y
s
i
s
.
In
c
on
v
e
nt
i
on
al
s
y
s
t
em
s
,
a
s
en
s
or
k
ee
ps
on
s
en
di
n
g
ea
c
h
n
e
v
er
y
bi
t
of
s
i
gn
al
up
on
s
en
s
i
n
g
to
t
he
m
on
i
tor
wi
th
ou
t a
n
y
bu
f
f
er
[3]
.
A
f
ew
c
om
pl
ex
i
ti
es
aris
e
he
r
e
du
e
to
th
e
i
m
proper
tr
an
s
m
i
s
s
i
on
r
ate
or
l
o
w
ba
nd
wi
dth
i
n
c
o
m
m
un
i
c
ati
on
c
ha
nn
e
l
.
O
f
ten
,
c
o
nti
nu
o
us
f
l
o
w
of
s
i
gn
al
m
a
y
l
ea
d
to
an
i
nc
r
ea
s
e
i
n
s
he
er
v
o
l
um
e
of
da
ta
[4, 5]
.
T
he
r
ef
ore, th
e v
o
l
um
e o
f
da
ta
i
s
s
i
gn
i
f
i
c
an
tl
y
af
f
ec
ti
ng
to the i
m
pr
ope
r
tr
ans
m
i
s
s
i
on
r
ate
or
l
o
w
ba
n
d
wi
dth
i
n
c
om
m
un
i
c
ati
on
c
ha
n
ne
l
.
O
f
ten
,
c
on
t
i
nu
ou
s
f
l
o
w
of
s
i
gn
al
m
a
y
l
ea
d
to
pa
c
k
et
drop
an
d
s
i
gn
i
f
i
c
an
t
l
os
s
of
v
i
tal
i
nf
or
m
ati
on
.
H
o
w
e
v
er,
t
he
c
om
pres
s
i
on
wi
th
el
i
m
i
na
ti
n
g
r
ed
un
da
nc
y
i
n
d
ata
i
s
ne
ed
ed
to
o
pti
m
i
z
e
s
tora
ge
s
pa
c
e
an
d
r
ed
uc
e
the
t
i
m
e
r
eq
ui
r
ed
f
or
da
ta
tr
an
s
m
i
s
s
i
on
c
au
s
es
s
tab
i
l
i
t
y
[6
-
8]
.
A
dd
i
ti
o
na
l
l
y
,
th
e
E
CG
bi
om
ed
i
c
al
s
i
gn
al
s
c
on
tai
n
s
e
ns
i
t
i
v
e
priv
ate
he
a
l
th
i
nf
orm
ati
on
a
s
w
e
l
l
as
de
tai
l
s
th
at
s
erv
e
to
i
nd
i
v
i
du
al
l
y
di
s
t
i
ng
ui
s
h
p
ati
e
nts
,
h
en
c
e
mu
s
t
be
en
c
r
y
pte
d
prio
r
to
tr
an
s
m
i
s
s
i
on
ac
r
os
s
pu
bl
i
c
m
ed
i
a
s
o
as
to
prev
e
nt
un
a
ut
ho
r
i
z
ed
ac
c
es
s
b
y
ad
v
ers
arie
s
f
r
om
c
y
be
r
-
att
ac
k
s
[9,
10]
.
T
hu
s
,
In
the
r
es
ea
r
c
h
[1
1]
propos
e
d
s
c
he
m
es
f
or
c
o
m
pres
s
i
on
-
then
-
e
nc
r
y
pt
i
on
of
the
M
IT
-
B
IH
A
r
r
h
y
thm
i
a
E
C
G
s
i
gn
a
l
s
.
T
he
i
r
s
c
he
m
e
i
n
v
o
l
v
es
c
om
pl
ex
i
t
y
s
ort
i
ng
(
B
ea
t
de
tec
ti
on
,
2D
E
CG
arr
a
y
f
orm
ati
on
,
P
eri
od
Nor
m
al
i
z
ati
on
,
Dc
E
qu
al
i
z
ati
on
,
Com
pl
ex
i
t
y
S
orti
ng
,
Co
de
c
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
NIK
A
IS
S
N: 1
69
3
-
6
93
0
◼
Comp
r
es
s
i
on
a
nd
e
nc
r
y
pti
o
n f
or
E
CG
b
i
om
ed
i
c
al
s
i
gn
a
l
in
… (
Mu
s
taf
a
E
ma
d
Ham
ee
d)
2827
Q
ua
nt
i
z
ati
on
an
d
J
P
E
G
20
00
c
od
ec
)
an
d
c
o
up
l
ed
c
h
ao
ti
c
m
ap
m
uta
ti
on
.
In
the
i
r
s
c
he
m
e,
the
y
as
s
u
m
e
wi
r
el
es
s
tr
an
s
m
i
s
s
i
on
(
us
i
ng
R
a
y
l
e
i
gh
f
ad
i
n
g
wi
r
el
es
s
c
ha
nn
e
l
)
of
E
CG
t
hroug
h
O
F
DM
(
O
r
tho
go
n
al
F
r
eq
u
en
c
y
D
i
v
i
s
i
on
Mu
l
t
i
pl
ex
i
n
g)
a
nd
en
ha
nc
e
i
t
to
c
orr
ec
t
i
m
pa
i
r
s
a
m
pl
es
us
i
ng
MM
F
(
M
ov
i
ng
Me
di
an
F
i
l
t
erin
g).
T
he
y
s
ho
w
s
torag
e
s
p
ac
e
m
i
n
i
m
i
z
a
ti
o
n
t
hroug
h
2
D
c
om
pres
s
i
on
m
e
c
ha
ni
s
m
an
d
c
om
bi
ne
d
i
t
wi
th
c
h
ao
t
i
c
b
as
ed
on
m
uta
t
i
on
s
c
he
m
e
to
r
an
d
om
i
z
e
E
CG
v
ec
tor
f
or
m
ai
nta
i
ni
ng
s
hi
el
d
t
o
d
ata
c
on
f
i
de
nti
al
i
t
y
t
hu
s
pre
v
en
t
f
r
om
ea
v
es
dropp
i
ng
.
A
s
pe
r
Ma
hs
a
Raei
ati
ba
n
ad
k
oo
k
i
[12]
h
av
e
pro
po
s
e
a
s
c
he
m
e
tha
t
c
an
c
om
pres
s
the
da
t
a
wi
t
h
ou
t
an
y
l
os
s
of
i
m
po
r
tan
t
i
nf
orm
ati
on
an
d
al
s
o
ap
p
l
y
c
r
y
p
to
graph
i
c
s
c
he
m
e
to
pres
erv
e
c
on
f
i
de
nti
al
i
t
y
f
r
o
m
un
au
tho
r
i
z
ed
ac
c
es
s
.
In
th
ei
r
wor
k
,
the
y
us
e
m
ob
i
l
e
c
o
m
pu
ti
n
g
d
ev
i
s
e
to
el
i
m
i
na
te
us
ag
e
of
c
o
m
pu
ters
. T
he
y
pe
r
f
or
m
preproc
es
s
i
ng
s
uc
h a
s
r
em
ov
a
l
of
ga
us
s
i
an
an
d
ba
s
e
l
i
n
e n
oi
s
e,
de
t
ec
t
pe
ak
s
,
do
he
art
r
ate
a
na
l
y
s
i
s
an
d
c
om
pres
s
the
E
C
G
s
i
gn
al
.
A
t
t
he
c
om
pres
s
i
on
th
e
y
ap
pl
y
3
l
e
v
e
l
wav
el
et
tr
a
ns
f
or
m
a
ti
on
(
db
0
4)
an
d
us
e
thres
ho
l
d
m
ec
ha
ni
s
m
s
.
Nex
t,
Huf
fm
an
c
od
i
n
g
tec
hn
i
qu
e
i
s
us
ed
t
o
c
om
pr
es
s
an
d
en
c
r
y
p
t
th
e
s
i
gn
al
.
T
he
y
ge
t
th
e
c
om
pres
s
i
on
r
ate
of
97
.7
2%
whi
c
h
i
s
qu
i
te
d
ec
en
t
f
or
an
y
c
om
pres
s
i
on
s
c
he
m
e.
F
ur
the
r
,
th
e
E
CG
s
i
gn
a
l
s
are
tr
an
s
m
i
tte
d
ov
er
T
CP
/IP
to
tel
em
ed
i
c
i
ne
c
l
i
n
i
c
f
or s
pe
c
i
al
i
s
t
’
as
s
es
s
m
en
t.
T
he
s
tud
y
pres
en
t
ed
i
n
[
13
]
s
tat
es
th
e
s
i
g
ni
f
i
c
an
c
e
of
c
om
pres
s
i
on
wi
th
r
es
pe
c
t
t
o
E
CG
s
i
gn
a
l
s
.
A
c
c
ordi
ng
th
e
r
es
ea
r
c
he
r
s
,
E
CG
i
l
l
us
tr
at
es
an
i
nd
i
v
i
d
ua
l
’
s
he
art
el
ec
tr
i
c
al
m
ov
e
m
en
ts
.
It
he
l
ps
i
n
m
on
i
tori
n
g a
nd
di
a
gn
os
i
s
of
he
art r
e
l
at
ed
di
s
e
as
e.
Rem
ote
m
on
i
tori
ng
ap
pl
i
c
a
ti
o
ns
s
uc
h
as
tel
em
ed
i
c
i
ne
n
ec
es
s
i
tat
es
s
torage
of
a
b
i
g
am
ou
nt
of
da
ta
f
or
as
s
es
s
m
en
t
an
d
d
i
ag
no
s
i
s
.
W
i
r
el
es
s
tr
an
s
m
i
s
s
i
on
e
v
en
c
on
s
um
es
m
ore
en
erg
y
wh
i
l
e
tr
an
s
m
i
tti
ng
un
c
om
pres
s
ed
d
ata
.
T
hu
s
,
c
o
m
pres
s
i
on
of
da
ta
i
s
m
u
c
h
r
eq
ui
r
e
d
to
r
e
du
c
e
s
tora
ge
s
pa
c
e,
i
m
prov
e
tr
an
s
m
i
s
s
i
on
r
ate
an
d
ba
nd
wi
d
th
us
ag
e.
T
he
y
c
o
m
pa
r
ed
di
v
ers
e
l
os
s
l
es
s
c
om
pres
s
i
on
s
c
he
m
es
w
.r
.t
E
CG
r
ec
ords
an
d
c
o
m
pa
r
ed
ti
m
e
ef
f
i
c
i
en
c
y
an
d
c
om
pres
s
i
on
r
ate
of
tho
s
e
s
c
he
m
es
.
T
hrough
t
he
i
r
s
tu
d
y
,
the
y
c
on
c
l
ud
ed
tha
t
m
i
ni
m
u
m
v
aria
nc
e
Huf
fm
an
c
od
i
ng
i
s
the
be
s
t
op
t
i
o
n
t
o
c
om
pres
s
E
CG
s
i
gn
al
s
.
T
he
y
c
o
ns
i
d
ered
MIT
-
B
IH
a
r
r
h
y
thm
i
a
da
t
as
et
f
or
the
i
r
s
tud
y
an
d
M
A
T
LA
B
too
l
f
or
s
i
m
ul
ati
o
ns
.
A
s
pe
r
the
i
r
r
es
ul
ts
,
a
l
m
os
t
ha
l
f
of
the
s
torage
m
e
m
or
y
c
a
n
be
s
av
ed
wi
th
Mi
ni
m
u
m
v
ari
an
c
e
Huf
fm
a
n
c
od
e
ha
v
i
n
g
c
om
pu
tat
i
on
a
l
c
om
pl
ex
i
t
y
of
N
Lo
g
2N.
I
n
th
ei
r
s
c
he
m
e
th
e
y
s
ho
wn
t
he
be
tt
er
uti
l
i
z
at
i
on
of
b
an
d
wi
dt
h
wi
t
h
s
i
m
pl
e
bu
f
f
er
de
s
i
gn
.
Henc
e,
th
e
c
om
pres
s
i
on
m
ec
ha
ni
s
m
qu
al
i
t
y
i
n
r
ec
on
s
tr
uc
ted
E
CG
n
ee
ds
t
o
be
m
ea
s
ured
b
y
m
os
t
po
pu
l
ar
f
un
c
ti
on
s
uc
h
as
P
R
D
(
P
erc
en
t
ag
e
Roo
t
-
m
ea
n
-
s
qu
are
Di
f
f
erenc
e).
T
ho
ug
h,
the
r
e
are
m
an
y
c
ha
nc
es
th
at
qu
al
i
t
y
of
r
ec
on
s
tr
uc
ti
on
an
d
th
e
r
es
ul
ts
m
a
y
v
ar
y
d
u
r
i
ng
e
v
a
l
ua
t
i
o
n
of
s
c
he
m
e
d
ue
to
d
i
f
f
erent
l
ev
e
l
s
of
da
ta
c
o
m
pres
s
i
on
s
.
In
the
i
r
wor
k
the
y
de
m
on
s
tr
ate
d
t
ha
t
i
f
ef
f
i
c
i
en
c
y
of
E
C
G
c
o
m
pres
s
i
o
n
s
c
he
m
e
i
s
tes
ted
a
l
on
e
i
n
term
s
of
qu
a
l
i
t
y
throu
gh
P
RD
m
eth
od
the
n
v
ar
i
ab
l
e
ou
tc
om
es
m
a
y
oc
c
ur.
T
hu
s
,
the
y
prop
os
e
the
us
e
of
m
ul
ti
pl
e
m
eth
od
s
(
P
RD1
a
nd
CR)
i
n
ord
er
to
ac
hi
e
v
e
m
ore
ac
c
urate
an
d
r
el
i
a
bl
e
r
es
ul
ts
an
d
b
ett
er
c
on
c
l
us
i
on
s
d
urin
g
s
i
m
ul
ati
o
ns
.
T
he
y
p
erf
or
m
ed
s
i
m
ul
ati
o
ns
on
MIT
-
B
IH
E
CG
(
A
r
r
y
thm
i
a)
da
t
as
et
w
i
t
h
di
ff
erent
c
om
pres
s
i
on
l
ev
el
s
to
an
al
y
z
e
i
ts
i
nf
l
u
en
c
e
o
n
p
erf
or
m
an
c
e
us
i
ng
P
RD
1 a
nd
CR
(
Com
pres
s
i
on
R
ati
o)
[14
]
.
T
he
s
tud
y
s
h
o
w
s
tha
t,
m
os
t
of
th
e
prev
i
ou
s
wor
k
s
c
on
c
en
tr
ate
m
ore
on
qu
al
i
t
y
of
s
i
gn
a
l
ba
s
ed
on
pe
ak
de
tec
t
i
on
b
ut
l
ac
k
s
s
ec
urit
y
as
pe
c
t.
T
ho
ug
h
f
e
w
w
ork
s
are
f
ou
n
d
w
i
t
h
s
ec
urit
y
m
od
el
al
on
g
wi
th
f
i
l
t
erin
g
a
nd
c
om
pres
s
i
on
s
c
he
m
es
,
bu
t
tho
s
e
s
c
he
m
es
are
n
ot
s
o
ef
f
i
c
i
en
t
i
n
term
s
of
l
os
s
l
e
s
s
c
om
pres
s
i
on
or
n
oi
s
e
f
i
l
t
erin
g.
W
e
propos
e
a
ne
w
s
y
s
t
em
m
o
de
l
s
ba
s
e
d
o
n
l
os
s
l
es
s
s
c
he
m
e
s
uc
h
as
Huf
fm
an
c
od
i
ng
f
or
c
o
m
pr
es
s
i
on
s
o
th
at
th
ere
i
s
no
i
nf
or
m
ati
on
l
os
s
up
on
r
ec
o
ns
tr
uc
ti
o
n.
A
l
s
o,
t
o
av
oi
d
the
c
h
an
c
es
of
da
t
a
tam
pe
r
i
ng
w
e
m
ak
e
us
e
s
y
m
m
etri
c
k
e
y
of
c
i
ph
eri
ng
ba
s
ed
on
the
A
E
S
-
CB
C
a
l
go
r
i
thm
w
i
th
2
56
-
bi
t
k
e
y
s
i
z
e
.
Rem
ai
ni
n
g
s
ec
ti
on
s
of
th
i
s
pa
pe
r
ar
e
orga
ni
z
ed
as
,
s
ec
ti
on
1
c
o
nta
i
ns
Int
r
o
du
c
ti
o
n
s
ec
ti
on
,
2
c
on
t
ai
ns
r
es
ea
r
c
h
m
eth
od
of
propos
e
d
m
ec
ha
ni
s
m
s
,
s
ec
ti
on
3
c
o
nta
i
ns
ex
pe
r
i
m
en
tal
r
es
u
l
ts
a
nd
s
ec
t
i
o
n
4
s
um
m
a
r
i
z
es
the
p
ap
er
as
c
on
c
l
us
i
on
.
2.
Re
se
a
r
ch M
eth
o
d
T
he
bl
oc
k
di
ag
r
am
of
the
propos
ed
E
CG
c
om
pres
s
i
on
an
d
e
nc
r
y
pt
i
on
m
eth
od
ha
s
be
en
r
ep
r
es
en
te
d
i
n
th
e
F
i
gu
r
e
1
.
A
t
f
i
r
s
t
s
tag
e,
t
he
E
CG
bi
om
ed
i
c
a
l
s
i
g
na
l
ha
s
be
en
l
oa
d
ed
i
nt
o
propos
e
d
s
y
s
t
em
.
T
he
s
ec
on
d
s
t
ag
e
i
s
th
e
r
em
ov
e
no
s
i
ng
f
r
om
the
s
i
gn
a
l
us
i
n
g
Di
s
c
r
ete
W
av
el
et
T
r
an
s
f
or
m
(
D
W
T
)
c
o
m
bi
ne
d
wi
th
a
T
hres
ho
l
d
i
n
g.
T
he
thi
r
d
s
ta
ge
i
s
th
e
b
l
oc
k
c
r
ea
ti
on
of
E
CG
s
i
gn
a
l
.
N
ex
t
to
f
ou
r
th
s
ta
ge
the
c
om
pres
s
i
on
m
eth
o
d
i
s
ap
p
l
i
e
d
b
y
us
e
H
uf
fm
an
c
od
i
ng
on
ea
c
h
bl
oc
k
of
E
CG
s
i
g
na
l
.
A
f
ter
c
om
pl
eti
ng
th
e
pr
ev
i
ou
s
s
tag
e,
the
en
c
r
y
p
ti
on
m
et
ho
d
ha
s
be
e
n
ap
p
l
y
i
ng
ba
s
ed
on
A
E
S
-
CB
C al
g
orit
hm
i
n t
h
e
f
i
f
th
s
tag
e a
nd
t
he
n t
r
an
s
m
i
s
s
i
on
bl
o
c
k
E
CG
s
i
gn
a
l
i
nto
m
on
i
tor
i
ng
.
F
i
na
l
l
y
,
a
f
ter
r
ec
ei
v
i
n
g
E
CG
s
i
gn
a
l
bl
oc
k
the
de
c
r
y
pt
i
o
n
an
d
de
c
om
pres
s
Evaluation Warning : The document was created with Spire.PDF for Python.
◼
IS
S
N: 16
93
-
6
93
0
T
E
L
KO
M
NIK
A
V
ol
.
17
,
No
.
6,
D
ec
em
be
r
20
19
:
28
26
-
2833
2828
proc
e
s
s
es
ap
pl
y
i
ng
r
es
pe
c
ti
v
el
y
ba
s
e
d
on
i
n
v
ers
i
o
n
A
E
S
-
CB
C
an
d
i
n
v
ers
i
o
n
H
uf
fm
an
c
od
i
ng
the
n,
th
e
bl
oc
k
ag
gregat
i
on
to
r
ec
up
erate
the
orig
i
n
al
E
CG
b
i
om
ed
i
c
al
s
i
gn
al
.
F
i
gu
r
e
1.
P
r
op
os
e
d o
pe
r
at
i
on
s
2.1
. DW
T
(
Disc
r
ete W
av
el
et T
r
ansf
o
r
m)
W
av
el
ets
are
arit
hm
eti
c
f
u
nc
ti
on
s
th
at
w
ork
on
s
i
gn
a
l
da
ta
as
pe
r
r
es
ol
ut
i
on
or
s
c
al
e
.
D
W
T
c
an
be
c
a
teg
ori
z
ed
a
s
a
t
y
p
e
of
wav
el
et
t
ha
t
ar
e
d
i
s
c
r
ete
l
y
s
am
pl
ed
th
e
F
i
gu
r
e
2
s
h
o
w
n
wav
el
e
t
f
l
o
w
of
op
erat
i
on
.
O
ne
of
the
k
e
y
m
erit
s
of
D
W
T
ov
er
f
ou
r
i
er
tr
an
s
f
orm
s
i
s
i
t
an
a
l
y
s
es
bo
t
h
f
r
eq
ue
nc
y
an
d
ti
m
e
(
l
o
c
ati
on
)
i
n
pa
r
a
l
l
el
.
S
of
t
or
ha
r
d
thres
h
ol
d
m
eth
o
ds
de
f
i
n
e
s
hrin
k
ag
e rul
es
[
15
]
.
F
i
gu
r
e
1
.
W
av
el
et
f
l
o
w of
o
pe
r
ati
on
s
T
hres
ho
l
di
n
g
c
an
be
ap
pl
i
ed
to
th
e
s
i
g
na
l
v
ec
tor
ba
s
ed
o
n
i
ts
c
ha
r
ac
teri
s
t
i
c
s
.
M
aj
orl
y
,
the
r
e
ar
e
t
w
o
thres
ho
l
d
i
n
g
m
eth
od
s
na
m
el
y
,
s
of
t
a
nd
h
ard
w
h
ere
h
ard
i
s
t
h
e
ea
s
i
es
t
on
e.
Har
d
t
hres
h
ol
di
n
g:
(
)
=
{
|
|
≥
0
|
|
<
(
1)
s
of
t th
r
es
ho
l
d
i
n
g:
(
)
=
{
−
>
0
|
|
≤
+
<
−
(
2)
wi
th
wthres
h,
ha
r
d
or s
of
t th
r
es
ho
l
d c
an
be
ap
p
l
i
ed
.
T
he
d
au
be
c
h
i
es
(
Db)
wav
el
ets
are
m
os
t
po
pu
l
ar
d
i
s
c
r
ete
wav
el
e
t
tr
an
s
f
or
m
s
i
n
s
i
gn
a
l
proc
es
s
i
ng
.
It
was
d
ev
el
op
ed
i
n
19
88
b
y
B
el
gi
um
ba
s
ed
m
ath
em
ati
c
i
an
Ing
r
i
d
D
au
be
c
h
i
es
.
Db
ha
s
a
r
an
ge
of
wav
el
e
ts
, th
e f
i
r
s
t o
f
w
h
i
c
h i
s
t
he
D
b1
o
r
Haa
r
w
a
v
e
l
et
[16
,
17]
.
2.2
. Com
p
r
es
sion
Com
pres
s
i
on
i
s
the
proc
es
s
of
c
o
m
pa
c
ti
ng
s
i
z
e
of
the
d
ata
thro
ug
h
f
orm
ul
as
or
arit
hm
eti
c
op
erat
i
o
ns
[18
]
.
Com
pres
s
i
on
r
at
i
o
i
s
c
a
l
c
ul
ate
d
t
o
m
ea
s
ure
t
he
pe
r
f
orm
an
c
e
of
c
om
pres
s
i
on
s
c
he
m
e
an
d
c
om
pa
c
tne
s
s
of
da
ta.
T
he
r
e
are
t
w
o
t
y
p
e
s
of
c
o
m
pres
s
i
on
s
c
he
m
es
,
i
.
e.
l
os
s
y
a
nd
l
os
s
l
es
s
.
Lo
s
s
l
es
s
s
c
he
m
es
r
ec
ov
er
c
om
pres
s
ed
f
i
l
e
to
i
ts
orig
i
n
al
s
tat
us
w
i
t
ho
ut
an
y
l
os
s
of
da
ta
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
NIK
A
IS
S
N: 1
69
3
-
6
93
0
◼
Comp
r
es
s
i
on
a
nd
e
nc
r
y
pti
o
n f
or
E
CG
b
i
om
ed
i
c
al
s
i
gn
a
l
in
… (
Mu
s
taf
a
E
ma
d
Ham
ee
d)
2829
whi
l
e
de
c
om
pres
s
ed
.
P
arti
c
ul
arl
y
i
n
th
e
ap
p
l
i
c
a
ti
on
s
s
uc
h
as
c
r
i
t
i
c
al
m
ed
i
c
al
r
e
c
ords
,
f
i
na
nc
i
al
s
tat
em
en
t
f
i
l
es
a
nd
oth
er
v
i
ta
l
f
i
l
es
are
al
wa
y
s
proc
es
s
ed
w
i
th
l
os
s
l
es
s
s
c
he
m
e
as
an
y
l
os
s
of
s
i
ng
l
e
bi
t
a
l
s
o
m
a
y
af
f
ec
t
a
v
ers
i
v
el
y
.
F
or
c
om
pres
s
i
on
pe
r
f
or
m
an
c
e
ev
al
ua
t
i
on
,
v
a
r
i
ou
s
m
etri
c
es
f
un
c
ti
on
s
are
us
ed
s
uc
h
as
P
RD
,
CR
an
d
Q
S
.
T
he
C
om
pres
s
i
on
Rati
o
(
CR)
i
s
t
he
m
ea
s
ure
of
c
o
m
pres
s
i
on
ac
hi
ev
ed
i
n s
i
gn
a
l
th
r
ou
gh
e
nc
od
i
ng
m
ec
ha
n
i
s
m
s
. It
do
es
n’
t
prov
i
d
e i
nf
orm
ati
on
on
c
o
m
pres
s
ed
s
i
gn
a
l
qu
al
i
t
y
bu
t m
ea
s
ures
ef
f
i
c
i
en
c
y
of
al
g
orit
hm
i
n redu
c
i
ng
s
tora
ge
s
pa
c
e
. T
hu
s
,
the
P
erc
en
t
ag
e Ro
ot
-
m
ea
n
-
s
qu
are
Di
f
f
erenc
e
(
P
RD)
i
s
a
m
ea
s
ure
to
e
v
a
l
ua
te
err
o
r
or
di
f
f
erenc
e
be
t
w
e
en
orig
i
n
al
.
T
he
qu
al
i
t
y
s
c
ore (
Q
S
)
i
s
us
e
d t
o
e
v
a
l
ua
t
e t
he
c
om
pres
s
i
on
p
erf
orm
an
c
e w
h
i
l
e
c
on
s
i
de
r
i
ng
the
c
om
prom
i
s
ed
r
ec
on
s
tr
uc
t
i
on
err
ors
.
2.2
.1
. Huf
f
man
Co
d
e
Lo
s
s
l
es
s
c
om
pres
s
i
on
tec
hn
i
q
ue
s
are
v
er
y
us
ef
ul
i
n
a
pp
l
i
c
ati
on
s
w
h
ere
e
ac
h
b
i
t
of
da
ta
i
s
v
er
y
s
i
gn
i
f
i
c
an
t
f
or
an
al
y
s
i
s
s
uc
h
as
m
ed
i
c
al
f
i
el
d
[1
9]
.
E
CG
s
i
gn
al
s
are
q
ui
t
e
c
om
p
l
ex
to
an
al
y
z
e
du
e
t
o
the
propert
y
t
ha
t
a
s
l
i
gh
t
v
aria
t
i
o
n
i
n
s
i
gn
al
v
a
l
ue
m
a
y
m
i
s
r
ec
og
ni
z
e
the
pe
ak
t
y
pe
.
In
Huf
fm
an
c
od
i
ng
, i
n
pu
t s
tr
i
n
g c
ha
r
ac
ters
are as
s
i
g
ne
d
wi
th
v
ari
ab
l
e l
en
g
th
c
od
es
(
bi
t s
eq
ue
nc
es
)
,
f
r
eq
ue
nc
y
of
the
i
nd
i
v
i
d
ua
l
c
ha
r
ac
ter
de
term
i
ne
s
the
al
l
oc
ate
d
c
od
e
l
en
g
th.
S
m
al
l
es
t
c
od
e
i
s
as
s
i
gn
e
d
to
c
h
arac
ter
h
a
v
i
ng
t
he
m
ax
i
m
u
m
f
r
eq
ue
nc
y
an
d
l
arg
es
t
c
od
e
i
s
as
s
i
gn
ed
to
the
m
i
ni
m
u
m
f
r
eq
ue
nc
y
c
h
arac
ter.
T
he
s
e
v
ari
ab
l
e
l
e
n
gth
c
o
de
s
are
k
no
w
n
as
pref
i
x
c
od
es
[
20
]
.
T
he
s
e
pref
i
x
c
od
es
are
un
i
qu
e
f
or
ea
c
h
c
ha
r
ac
ter
as
s
i
gn
m
en
t.
T
hu
s
,
i
t
i
s
en
s
u
r
ed
tha
t
t
he
r
e
s
ho
ul
d
no
t
b
e
an
y
am
bi
gu
i
t
y
at
th
e
ti
m
e
of
de
c
od
i
ng
o
p
erati
o
n
on
e
nc
od
e
d
bi
t
s
tr
ea
m
.
In
Huffm
an
,
i
f
th
ere ex
i
s
ts
un
i
qu
e c
h
ara
c
ters
to
en
c
od
e,
t
he
n
o
v
era
l
l
ed
g
e c
ou
n
t (
)
w
ou
l
d
be
:
=
(
2
∗
−
2
)
(
3)
2.3.
C
r
y
p
t
o
g
r
aph
y
Cr
y
pto
grap
hi
c
m
ec
ha
ni
s
m
i
s
a
proc
es
s
i
n
w
h
i
c
h
i
nf
orm
ati
on
i
s
c
on
v
erted
to
pr
e
v
en
t
i
t
f
r
o
m
be
i
ng
r
ec
o
gn
i
z
ed
b
y
att
ac
k
ers
[21]
.
T
he
c
r
y
p
t
og
r
ap
h
y
i
nc
l
ud
es
t
w
o
pro
c
es
s
es
f
i
r
s
t
i
s
the
en
c
r
y
p
ti
o
n
pr
oc
es
s
whi
c
h
en
t
ai
l
s
c
on
v
erti
ng
the
i
nt
el
l
i
g
i
b
l
e
da
t
a
i
nto
un
i
nt
el
l
i
gi
bl
e
da
t
a
us
i
ng
a
c
r
y
pto
graph
y
al
g
orit
hm
an
d
en
c
r
y
pt
i
on
k
e
y
.
T
he
s
ec
on
d
pr
oc
es
s
i
s
de
c
r
y
pt
i
o
n,
whi
c
h
i
n
v
ol
v
es
c
on
v
ert
i
n
g
th
e
un
i
nte
l
l
i
g
i
b
l
e
da
t
a
i
nto
i
nte
l
l
i
g
i
bl
e
da
ta
u
s
i
ng
t
he
s
am
e
al
go
r
i
thm
an
d
a
de
c
r
y
p
ti
on
k
e
y
[
22
]
.
T
he
c
r
y
p
tog
r
a
ph
y
i
s
di
v
i
de
d
i
nt
o
t
wo
broa
d
c
ate
g
orie
s
;
s
y
m
m
etri
c
k
e
y
a
nd
as
y
m
m
etri
c
k
e
y
c
r
y
p
tog
r
a
ph
y
.
T
he
f
i
r
s
t
c
ate
g
or
y
,
s
y
m
m
etri
c
k
e
y
c
r
y
pto
graph
y
(
o
the
r
wi
s
e
c
a
l
l
ed
s
ec
r
et
-
k
e
y
c
r
y
p
tog
r
a
ph
y
)
us
es
t
h
e
s
am
e
k
e
y
at
the
s
ou
r
c
e
an
d
de
s
t
i
na
t
i
o
n.
T
he
s
ec
on
d
c
ate
go
r
y
,
as
y
m
m
etri
c
k
e
y
c
r
y
pt
og
r
a
ph
y
us
es
d
i
f
f
e
r
en
t k
e
y
s
(
c
a
l
l
e
d t
h
e p
ub
l
i
c
k
e
y
)
at
t
he
s
o
urc
e a
n
d d
es
t
i
na
t
i
o
n
[2
3]
.
2.3
.1
.
A
E
S
A
lgo
r
it
h
m
A
E
S
was
on
e
am
on
g
t
he
f
i
na
l
i
s
ts
i
n
NI
S
T
c
o
m
pe
ti
ti
on
an
d
w
o
n
th
e
t
i
tl
e
of
m
os
t
s
ec
ure
c
r
y
p
tog
r
a
ph
i
c
a
l
go
r
i
thm
i
n
O
c
tob
er,
2
00
0.
I
t
i
s
a
l
s
o
k
no
w
n
as
R
i
j
nd
a
el
an
d
c
a
n
h
av
e
a
v
aria
bl
e
k
e
y
s
i
z
e
of
12
8
bi
ts
,
1
92
b
i
ts
or
25
6
b
i
ts
wi
th
a
f
i
x
ed
bl
oc
k
s
i
z
e
of
12
8
b
i
ts
.
It
i
s
a
s
y
m
m
etri
c
al
g
orit
hm
tha
t
us
es
s
i
ng
l
e
s
ec
r
et
k
e
y
f
or
bo
th
en
c
r
y
pt
i
on
a
nd
de
c
r
y
pt
i
on
.
T
he
r
e
are
f
ou
r
ba
s
i
c
s
tag
es
i
n
e
ac
h
r
o
un
d
of
A
E
S
e
nc
r
y
pt
i
o
n
or
de
c
r
y
p
t
i
on
.
P
erm
uta
ti
on
s
t
ag
e
i
s
S
hi
f
tRo
w
s
an
d
r
em
ai
ni
ng
t
hree
s
ub
s
ti
tut
i
o
n
s
tag
es
are
S
u
bs
ti
t
ute
b
y
te,
M
i
x
Co
l
um
ns
an
d
A
d
dR
ou
nd
K
e
y
[24]
.
T
he
en
c
r
y
pt
i
on
a
nd
de
c
r
y
p
ti
on
proc
e
du
r
es
of
th
e
A
d
v
an
c
ed
E
nc
r
y
p
ti
on
S
t
an
d
ard
al
go
r
i
t
hm
c
an
s
ho
w
i
n Fi
gu
r
e 3
.
F
or
25
6
b
i
ts
A
E
S
,
K
e
y
L
en
gth
(
Nk
)
i
s
8
i
.e.
8
wor
ds
o
f
32
-
bi
ts
,
B
l
oc
k
S
i
z
e
(
N
b)
i
s
4
i
.e.
4
w
ords
of
32
-
b
i
ts
a
nd
n
o.
of
r
ou
nd
s
(
Nr
)
i
s
14
.
T
he
c
i
ph
eri
ng
f
un
c
ti
on
:
(
[
4
∗
]
,
[
4
∗
]
,
[
∗
(
+
1
)
]
)
(
4)
c
an
be
el
ab
orated
i
n
f
ol
l
o
wi
ng
s
te
ps
:
Le
t
be
the
s
tat
e
an
d
r
ou
n
d
be
,
A
E
S
w
ork
s
w
e
l
l
wi
th
bo
th
ha
r
d
war
e
as
wel
l
as
s
of
tw
are.T
he
r
e
are
f
i
v
e
op
erati
o
na
l
m
od
es
i
n
A
E
S
i
.e.
E
CB
,
CB
C,
CF
B
,
O
F
B
an
d CT
R.
Evaluation Warning : The document was created with Spire.PDF for Python.
◼
IS
S
N: 16
93
-
6
93
0
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E
L
KO
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V
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17
,
No
.
6,
D
ec
em
be
r
20
19
:
28
26
-
2833
2830
F
i
gu
r
e
2
.
A
E
S
a
l
g
orit
hm
s
tep
s
2.3
.2
.
Cip
h
e
r
Bloc
k Chain
ing
M
o
d
e Op
er
atio
n
(
CBC
)
T
o
ea
c
h
c
i
ph
ertex
t
b
l
oc
k
produc
e
d
ea
r
l
i
er,
a
n
X
O
R
i
s
ad
de
d
to
e
ac
h
pl
ai
nte
x
t
bl
oc
k
.
Ci
ph
erin
g
thro
ug
h
CB
C
m
od
e
of
A
E
S
c
an
be
i
l
l
us
tr
a
ted
as
F
i
gu
r
e
4
s
ho
w
th
e
en
c
r
y
pt
i
o
n
an
d
proc
ed
ure
of
th
e
C
B
C
m
od
e
op
erati
on
.
T
he
o
utc
om
e
of
ea
c
h
s
uc
c
ee
di
ng
c
i
ph
ertex
t
bl
oc
k
r
el
i
es
on
the
prec
ed
i
ng
on
e.
T
he
i
ni
t
i
a
l
p
l
ai
nte
x
t
b
l
oc
k
i
s
ad
de
d
X
O
R
to
a
n
un
s
y
s
t
em
a
ti
c
i
n
i
ti
al
i
z
ati
on
v
ec
tor
(
I
V
)
.
A
n
ad
v
a
nc
em
e
nt
to
t
he
a
nc
es
tr
al
bl
oc
k
l
ev
e
l
c
i
ph
erin
g
v
ers
i
o
n
of
A
E
S
s
uc
h
as
E
CB
i
s
Ci
p
he
r
B
l
oc
k
Chai
ni
ng
(
CB
C)
.
In
thi
s
c
i
ph
erin
g
s
c
he
m
e,
the
r
e
i
s
a
de
pe
n
d
en
c
y
of
ev
er
y
en
c
r
y
pt
ed
b
l
oc
k
on
al
l
p
l
a
i
nt
ex
t
bl
oc
k
s
w
h
i
c
h
are
op
era
t
ed
up
to
t
ha
t
s
ta
ge
.
D
ue
t
o
t
hi
s
proc
ed
ure,
an
a
dd
i
ti
o
na
l
l
ev
el
of
c
o
m
pu
tat
i
on
i
s
r
eq
ui
r
ed
w
h
i
l
e g
e
ne
r
ati
ng
t
he
c
i
ph
er tex
t
[2
5]
.
F
i
gu
r
e
3
.
C
B
C m
od
e o
p
erat
i
on
3.
Re
sult
s
a
n
d
A
n
al
y
s
is
T
hi
s
po
r
ti
on
r
ep
orts
an
d
d
el
i
be
r
at
es
the
r
es
ul
ts
of
th
e
c
on
du
c
te
d
i
n
v
es
t
i
ga
t
i
o
ns
.
In
thi
s
wor
k
,
w
e
us
e
d
D
W
T
f
or
c
l
ea
n
s
i
g
na
l
wi
th
thres
h
ol
di
n
g
th
en
c
om
pres
s
i
on
s
i
g
na
l
us
ed
l
os
s
l
es
s
m
eth
od
ba
s
ed
on
th
e
H
uf
fm
an
c
od
i
ng
al
go
r
i
t
hm
an
d
en
c
r
y
pt
i
o
n
th
e
s
i
gn
a
l
us
ed
s
y
m
m
etri
c
k
e
y
c
r
y
p
tog
r
a
ph
y
b
as
ed
on
th
e
A
E
S
-
CB
C
a
l
go
r
i
thm
bl
oc
k
c
i
ph
erin
g.
T
he
c
on
du
c
te
d e
x
pe
r
i
m
en
ts
are
pe
r
f
or
m
ed
on
a
c
om
pu
ter
wi
th
s
p
ec
i
f
i
c
ati
o
ns
(
p
r
oc
es
s
or
Int
el
(
R)
Cor
e
(
T
M)
i
5
-
4300U
CP
U
@
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0
G
H
z
2
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H
z
,
RA
M
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,
un
de
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wi
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prof
es
s
i
on
a
l
64
-
b
i
t
u
s
i
ng
MA
T
LA
B
(
R2
01
8
b
)
.
T
he
ex
ec
uti
o
n
o
f
the
propos
ed
m
eth
od
wa
s
as
s
es
s
ed
us
i
ng
s
om
e
pa
r
am
ete
r
s
,
f
o
r
de
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no
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s
e
s
i
gn
a
l
MS
E
,
P
S
N
R,
S
N
R
a
nd
CC
t
he
c
om
pres
s
i
on
pe
r
f
or
m
an
c
e
pa
r
am
ete
r
s
are
P
RD
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
NIK
A
IS
S
N: 1
69
3
-
6
93
0
◼
Comp
r
es
s
i
on
a
nd
e
nc
r
y
pti
o
n f
or
E
CG
b
i
om
ed
i
c
al
s
i
gn
a
l
in
… (
Mu
s
taf
a
E
ma
d
Ham
ee
d)
2831
an
d
C
R.
I
n
th
e
e
nd
t
he
t
i
m
el
y
ex
ec
uti
on
an
d
s
ec
urit
y
l
ev
el
the
y
ar
e
s
i
gn
i
f
i
c
an
t
pa
r
am
ete
r
s
f
o
r
ev
a
l
u
ati
on
of
propos
ed
s
y
s
tem
pe
r
f
or
m
an
c
e.
T
he
r
ef
or
e,
t
h
e
c
om
pu
tat
i
on
al
ti
m
e
of
the
s
y
s
t
em
m
od
el
c
an
be
de
f
i
n
ed
as
t
he
t
i
m
e
tak
en
b
y
ea
c
h
pro
c
es
s
i
n
s
y
s
t
em
.
P
erf
or
m
an
c
e
pa
r
am
ete
r
i
nc
l
u
de
th
e
ti
m
e
tak
en
b
y
t
he
al
go
r
i
t
hm
f
or
the
c
o
m
pr
es
s
i
on
an
d
en
c
r
y
p
ti
o
n
of
i
n
pu
t
E
CG
s
i
g
na
l
tha
t
i
s
c
om
pu
tat
i
on
al
c
o
m
pres
s
i
on
ti
m
e
an
d
c
o
m
pu
tat
i
on
a
l
e
nc
r
y
pt
i
on
ti
m
e
us
ed
f
o
r
the
proc
es
s
i
ng
on
t
he
E
CG
s
i
gn
a
l
b
ef
ore tr
an
s
m
uta
ti
o
n t
o s
y
s
t
em
m
on
i
tori
ng
.
S
ub
s
e
qu
e
ntl
y
,
af
ter
r
ec
ei
v
e
d
the
f
i
l
e
c
a
l
c
ul
a
ted
t
he
es
ti
m
ate
d
ti
m
e
ta
k
en
b
y
t
he
al
g
orit
hm
f
or
the
de
c
r
y
pti
on
a
nd
d
ec
o
m
pres
s
i
on
of
f
i
l
e
r
ec
ei
v
i
ng
t
ha
t
i
s
c
om
pu
tat
i
o
na
l
de
c
r
y
p
ti
on
t
i
m
e
an
d
c
o
m
pu
tat
i
on
a
l
de
c
om
pres
s
i
on
ti
m
e
us
ed
f
or
the
proc
es
s
i
ng
on
the
E
CG
s
i
gn
a
l
.
A
s
s
h
o
w
n
i
n
T
ab
l
e
1
the
t
i
m
e
f
or
di
ff
e
r
e
nt
nu
m
be
r
of
bl
oc
k
s
fr
o
m
the
whol
e
s
i
g
na
l
un
t
i
l
60
bl
oc
k
s
i
n
the
i
n
pu
t
of
E
CG
s
i
gn
al
f
i
l
e
,
wh
i
c
h
i
s
th
e
ex
ec
u
ti
o
n
ti
m
e
f
or
k
e
y
ge
n
erati
on
,
c
o
m
pres
s
i
on
,
en
c
r
y
pt
i
o
n,
d
ec
r
y
pt
i
on
,
d
ec
om
pres
s
i
on
an
d
tot
a
l
t
i
m
e
of
s
y
s
tem
propos
ed
r
es
pe
c
ti
v
el
y
.
T
he
r
ef
ore
,
f
or
the
f
ou
r
bl
oc
k
s
o
f
E
CG
s
i
gn
al
t
he
ex
ec
ut
i
o
n
ti
m
e
are
3.2
80
8,
3.
85
4
8,
3.
53
4
4,
0.
61
6,
i
n
s
ec
on
d
r
es
pe
c
ti
v
el
y
f
or
e
ac
h
b
l
oc
k
.
Ho
w
e
v
er,
th
e
i
nc
r
ea
s
e
f
or num
be
r
of
bl
oc
k
s
on
the
E
CG
s
i
gn
al
l
e
ad
s
to
c
om
pu
tat
i
on
a
l
ov
erhea
d
at
th
e
ti
m
e
of
ex
ec
uti
on
h
e
nc
e,
th
e
r
es
ul
ts
s
ho
w
i
t
t
ha
t
the
prop
os
ed
s
y
s
t
em
w
i
th
i
n f
ou
r
b
l
oc
k
s
are c
on
s
um
es
l
es
s
ti
m
e c
o
m
pa
r
ed
wi
t
h o
t
he
r
n
um
be
r
of
bl
oc
k
s
.
T
hu
s
,
t
he
F
i
gu
r
e
s
5
(
a)
an
d
(
b)
s
ho
w
s
th
e
ef
f
i
c
i
en
c
y
of
the
s
y
s
tem
i
n
term
s
o
f
the
ex
ec
uti
on
ti
m
e
f
or
en
c
r
y
pti
on
m
ec
ha
ni
s
m
then
c
om
pres
s
i
on
m
ec
ha
ni
s
m
,
th
e
c
om
pres
s
i
on
the
n
en
c
r
y
p
ti
on
.
A
s
t
he
e
x
pe
r
i
m
en
ta
l
r
es
u
l
ts
s
h
o
w
th
at
t
he
en
c
r
y
p
ti
on
proc
es
s
the
n
the
c
om
pres
s
i
on
c
on
s
um
e
s
m
ore
ex
ec
uti
o
n
ti
m
e
i
n
the
proc
es
s
of
i
m
pl
em
en
ted
b
ec
au
s
e
of
the
e
ntrop
y
of
E
CG
s
i
gn
al
i
nc
r
ea
s
ed
af
ter
e
nc
r
y
pt
i
on
p
r
oc
es
s
.
In
the
F
i
gu
r
e
6
r
e
pres
en
ts
m
ea
n
of
CR
a
nd
P
R
D
r
etr
i
e
v
ed
o
n
s
el
ec
ted
f
i
v
e
da
t
as
ets
wi
th
0.5
d
b,
1d
B
an
d
2
dB
no
i
s
e.
A
s
the
r
es
u
l
ts
ba
r
el
y
s
ho
w
a
n
y
di
f
f
erenc
e
whi
l
e
c
ha
n
gi
ng
d
ata
s
et
an
d
no
i
s
e
r
ati
o,
thu
s
a
v
erage
of
i
t
i
s
de
m
on
s
tr
ate
d
s
ho
wn i
n Fi
g
ure 6
.
T
ab
l
e
1
.
E
x
ec
ut
i
on
T
i
m
e
of
P
r
op
os
e
d S
y
s
tem
(
i
n S
ec
o
nd
)
N
o
.
o
f
b
loc
k
A
E
S
K
e
y
g
e
n
Ti
m
e
C
o
m
p
r
e
s
s
ion
Ti
m
e
E
n
c
r
y
p
t
ion
Ti
m
e
D
e
c
r
y
p
t
ion
Ti
m
e
D
e
c
o
m
p
r
e
s
s
ion
Ti
m
e
Total
Ti
m
e
o
f
S
y
s
t
e
m
P
r
o
c
e
s
s
w
h
o
le
0
.
1
8
7
4
5
.
2
9
4
3
.
8
8
6
2
3
.
8
1
8
2
1
.
3
2
1
6
1
4
.
3
2
5
4
0
.
1
8
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whi
c
h
i
s
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ui
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e
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tt
er
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i
s
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ng
s
c
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m
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l
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c
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25
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ou
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ted
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be
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c
e.
Ref
er
en
ce
s
[1
]
SP
Aw
a
s
a
rm
o
l
,
S
As
h
te
k
a
r,
A
Chi
n
ta
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r
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a
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n
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ECG
s
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l
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s
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g
D
W
T
.
2
0
1
7
I
n
t.
Co
n
f.
En
e
rg
y
,
Com
m
u
n
.
D
a
ta
An
a
l
.
So
ft
C
o
m
p
u
t.
ICECD
S
2
0
1
7
.
2
0
1
7
:
2850
–
2
8
5
4
.
[2
]
J
S
Sa
h
a
m
b
i
,
SN
T
a
n
d
o
n
,
RKP
Bh
a
tt
.
U
s
i
n
g
w
a
v
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l
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t
tra
n
s
fo
rm
s
fo
r
ECG
c
h
a
ra
c
te
r
i
z
a
ti
o
n
.
An
o
n
-
l
i
n
e
d
i
g
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t
a
l
s
i
g
n
a
l
p
ro
c
e
s
s
i
n
g
s
y
s
t
e
m
.
IEEE
En
g
.
M
e
d
.
Bi
o
l
.
M
a
g
.
1997
;
16
(
1
):
77
–
83.
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
NIK
A
IS
S
N: 1
69
3
-
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93
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◼
Comp
r
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CG
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i
om
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c
al
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a
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in
… (
Mu
s
taf
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E
ma
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ee
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2833
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]
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V
Ram
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G
R
Rag
i
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o
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.
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.
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s
Ap
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.
2012
:
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]
H
Ku
p
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Pa
ti
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R
Se
s
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a
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ri
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Bi
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Dat
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.
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In
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[5
]
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An
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M
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.
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.
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[6
]
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[7
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ASCII
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h
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o
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.
In
t.
J
.
M
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.
En
g
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I
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.
2
0
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6;
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4
):
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.
[8
]
AF
Hus
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S
J
Ha
s
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AFA
Az
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Am
b
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In
te
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l
.
Hum
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n
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z
.
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t.
2017
:
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.
[9
]
H
Al
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Ham
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