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[
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er
m
ec
h
a
n
is
m
p
r
o
v
id
es
in
s
tan
t
s
w
itch
in
g
o
f
th
e
aler
t
s
y
s
tem
with
o
u
t
s
ig
n
if
ican
t
d
elay
.
Fig
u
r
e
2
illu
s
tr
ates
th
e
cir
cu
it
co
n
n
ec
ti
o
n
s
o
f
t
h
e
s
y
s
tem
.
T
h
e
A
r
d
u
in
o
in
teg
r
ates
th
e
f
in
g
er
p
r
in
t
s
en
s
o
r
,
GPS,
GSM,
an
d
ca
m
e
r
a
m
o
d
u
les
to
en
ab
le
au
th
e
n
ticatio
n
,
m
o
n
it
o
r
in
g
,
a
n
d
r
ea
l
-
tim
e
em
er
g
en
cy
aler
t tr
an
s
m
is
s
io
n
.
T
ab
le
2
.
Sp
ec
if
icatio
n
o
f
c
o
m
p
o
n
en
ts
in
e
x
p
er
im
e
n
ted
au
to
m
ate
s
m
ar
t h
an
d
b
ag
C
o
m
p
o
n
e
n
t
S
p
e
c
i
f
i
c
a
t
i
o
n
A
r
d
u
i
n
o
U
n
o
R
3
7V
-
1
2
V
F
i
n
g
e
r
p
r
i
n
t
S
e
n
s
o
r
r
3
0
7
4
.
2
V
-
6V
G
P
S
N
EO
6
M
2
.
7
V
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6V
G
S
M
S
I
M
8
0
0
L
3
.
4
V
-
4
.
4
V
Li
-
i
o
n
B
a
t
t
e
r
y
12V
ESP
3
2
C
a
mera
3
.
3
V
Tr
i
g
g
e
r
-
Fig
u
r
e
2
.
C
ir
cu
it
d
iag
r
am
o
f
p
r
o
to
ty
p
e
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
Fig
u
r
e
3
d
ep
icts
th
e
wo
r
k
in
g
o
f
th
e
s
m
ar
t
h
an
d
b
ag
s
y
s
tem
.
Up
o
n
ac
tiv
atio
n
,
th
e
s
y
s
tem
p
er
f
o
r
m
s
f
in
g
er
p
r
in
t
au
t
h
en
ticatio
n
.
I
f
a
u
th
en
ticatio
n
f
ails
,
GPS
lo
ca
tio
n
is
ac
q
u
ir
ed
,
an
im
a
g
e
is
ca
p
tu
r
ed
,
an
d
an
SOS
aler
t is tr
an
s
m
itted
v
ia
GSM.
Fig
u
r
e
3
.
Flo
w
d
ia
g
r
am
o
f
m
o
d
el
Evaluation Warning : The document was created with Spire.PDF for Python.
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2
2
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1
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No
.
3
,
Sep
tem
b
er
20
2
6
:
6
6
9
-
6
7
7
672
Fig
u
r
e
4
r
ep
r
esen
ts
th
e
h
ar
d
w
ar
e
o
f
th
e
p
r
o
p
o
s
ed
s
m
ar
t
h
a
n
d
b
ag
s
y
s
tem
.
Fig
u
r
e
4
(
a
)
r
ep
r
esen
ts
th
e
PC
B
lay
o
u
t
o
f
th
e
h
ar
d
war
e
p
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ty
p
e,
wh
ile
Fig
u
r
e
4
(
b
)
r
e
p
r
esen
ts
th
e
r
ea
l
tim
e
d
e
p
lo
y
m
en
t
o
f
th
e
s
y
s
tem
r
u
n
n
in
g
in
r
ea
l
-
tim
e
em
er
g
en
c
y
s
ce
n
ar
io
s
.
T
h
e
h
ar
d
war
e
p
r
o
to
ty
p
e
u
tili
ze
s
a
1
2
V,
2
5
0
0
m
Ah
L
i
-
io
n
b
atter
y
.
T
h
e
b
atter
y
life
was
ca
lcu
lated
o
n
t
h
e
b
asis
o
f
th
e
a
v
er
ag
e
c
u
r
r
en
t
d
r
awn
f
r
o
m
th
e
b
atter
y
in
d
if
f
er
e
n
t
m
o
d
es
,
wh
ich
r
an
g
es
f
r
o
m
2
0
–
5
5
h
o
u
r
s
d
ep
e
n
d
in
g
o
n
o
p
e
r
atin
g
m
o
d
es
s
h
o
wn
in
T
a
b
le
3
,
with
GPS
an
d
GSM
m
o
d
u
les
b
ein
g
th
e
p
r
im
a
r
y
p
o
wer
co
n
s
u
m
er
s
in
th
e
d
ev
ic
e’
s
ac
tiv
e
an
d
em
er
g
en
cy
s
tates.
T
h
e
b
atter
y
’
s
s
tan
d
b
y
tim
e
is
s
u
f
f
icien
t
f
o
r
r
eg
u
lar
u
s
ag
e,
th
e
e
f
f
ec
t
o
f
alwa
y
s
-
o
n
GPS
o
n
b
atter
y
life
is
co
n
s
id
er
ab
le.
T
h
is
im
p
lies
th
at
th
e
r
e
is
p
o
te
n
tial
f
o
r
f
u
t
u
r
e
b
atter
y
life
im
p
r
o
v
em
e
n
ts
b
y
u
s
in
g
d
u
ty
-
cy
c
led
GPS
o
r
ass
is
ted
GPS.
T
h
e
in
teg
r
ated
h
ar
d
war
e
s
y
s
tem
en
ab
les
co
o
r
d
in
ated
o
p
er
atio
n
o
f
a
u
th
en
tica
tio
n
,
tr
ac
k
in
g
,
an
d
co
m
m
u
n
icatio
n
m
o
d
u
les f
o
r
r
ea
l
-
tim
e
s
af
ety
m
o
n
ito
r
i
n
g
.
Tab
le 3
.
P
o
we
r
a
n
a
l
y
sis in
d
iffere
n
t
m
o
d
e
s o
f
o
p
e
ra
ti
o
n
O
p
e
r
a
t
i
n
g
M
o
d
e
A
c
t
i
v
e
M
o
d
u
l
e
s
Est
i
m
a
t
e
d
C
u
r
r
e
n
t
D
u
r
a
t
i
o
n
S
t
a
n
d
b
y
M
C
U
o
n
l
y
Lo
w
(
2
0
0
mA
)
50
–
5
5
h
A
c
t
i
v
e
M
C
U
+
G
P
S
M
e
d
i
u
m (
3
5
0
mA
)
32
–
3
6
h
P
e
a
k
L
o
a
d
G
P
S
+
G
S
M
+
C
a
m
e
r
a
H
i
g
h
(
6
0
0
mA
)
20
–
2
3
h
(
a)
(
b
)
Fig
u
r
e
4
.
Mo
d
el
o
f
s
m
ar
t h
an
d
b
ag
(
a)
PC
B
d
esig
n
an
d
(
b
)
r
e
al
tim
e
d
ep
lo
y
m
e
n
t
3
.
1
.
AI
-
ba
s
ed
t
hrea
t
cla
s
s
if
ica
t
io
n us
ing
YO
L
O
v
3
T
h
e
ca
m
er
a
m
o
d
u
le
also
i
n
tr
o
d
u
ce
s
a
n
ex
t
r
a
s
ec
u
r
ity
f
ea
tu
r
e
t
h
at
ca
p
tu
r
es
im
ag
es
o
f
th
e
en
v
ir
o
n
m
en
t
an
d
u
s
es
th
e
YOL
O
v
3
o
b
ject
d
etec
tio
n
alg
o
r
i
th
m
to
aid
th
e
v
e
r
if
icatio
n
o
f
th
e
th
r
ea
t.
T
h
e
AI
m
o
d
u
le
will
f
ilter
th
e
ca
p
tu
r
e
d
im
ag
es
in
to
th
r
ee
ca
teg
o
r
ies:
h
u
m
an
s
,
an
im
als,
an
d
v
e
h
icles.
T
h
is
will
en
s
u
r
e
th
at
th
e
em
er
g
e
n
cy
s
itu
atio
n
s
ar
e
v
alid
ated
co
r
r
ec
tly
b
ef
o
r
e
th
e
SOS m
ess
ag
e
is
s
en
t.
Fig
u
r
e
5
s
h
o
ws
a
s
ch
em
atic
r
ep
r
esen
tatio
n
o
f
t
h
e
YOL
O
v
3
-
b
ased
th
r
ea
t
class
if
icatio
n
.
W
h
en
a
tr
ig
g
er
o
cc
u
r
s
o
r
au
th
en
ticatio
n
tim
es
o
u
t,
th
e
E
SP
3
2
-
C
AM
m
o
d
u
le
ca
p
tu
r
es
an
im
a
g
e,
w
h
ich
is
th
en
r
esized
to
4
1
6
×
4
1
6
p
i
x
els
d
u
r
in
g
p
r
e
-
p
r
o
ce
s
s
in
g
.
T
h
e
n
,
th
e
r
esiz
ed
im
ag
e
is
p
r
o
ce
s
s
ed
b
y
th
e
YOL
O
v
3
m
o
d
el,
wh
ich
u
s
es
p
r
e
-
tr
ain
ed
d
a
r
k
n
et
weig
h
ts
f
o
r
o
b
ject
d
e
tectio
n
.
Af
ter
o
b
ject
d
etec
ti
o
n
,
n
o
n
-
m
a
x
im
u
m
s
u
p
p
r
ess
io
n
is
p
er
f
o
r
m
ed
d
u
r
i
n
g
p
o
s
t
-
p
r
o
ce
s
s
in
g
to
ca
teg
o
r
i
ze
th
e
s
ce
n
e
as a
h
u
m
a
n
,
an
im
al,
o
r
v
e
h
icle.
Fig
u
r
e
5
.
T
h
r
ea
t c
lass
if
icatio
n
p
r
o
ce
s
s
u
s
in
g
YOL
Ov
3
T
h
is
m
o
d
el
was
tr
ain
ed
an
d
ev
alu
ated
u
s
in
g
a
co
m
b
i
n
atio
n
o
f
p
u
b
licly
av
ailab
le
im
a
g
es
an
d
a
cu
s
to
m
d
ataset
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n
s
is
tin
g
o
f
ap
p
r
o
x
im
ately
1
,
8
0
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im
ag
e
s
,
with
an
8
0
:2
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tr
ain
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test
s
p
lit.
I
m
ag
es
wer
e
Evaluation Warning : The document was created with Spire.PDF for Python.
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A
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r
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n
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a
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en
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n
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o
men
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fety
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s
in
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ttin
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(
V
ija
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a
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Lo
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n
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th
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f
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atch
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ize
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ataset
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litt
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an
d
v
al
id
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n
m
o
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ito
r
i
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g
.
T
h
e
p
r
o
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ty
p
e
ev
alu
atio
n
o
f
E
SP
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3
2
ca
m
er
a,
em
p
lo
y
in
g
a
YOL
O
v
3
-
b
ased
th
r
e
at
class
if
icatio
n
m
o
d
u
le,
is
p
r
esen
ted
i
n
Fig
u
r
e
6
.
On
ce
a
th
r
ea
t
o
b
ject
is
id
e
n
tifie
d
,
it
is
en
clo
s
ed
in
a
b
o
u
n
d
in
g
b
o
x
a
n
d
class
if
ied
in
to
o
n
e
o
f
th
r
ee
ca
teg
o
r
ies:
h
u
m
a
n
,
an
im
al,
o
r
v
eh
icle.
T
h
is
v
e
r
if
i
es th
e
em
er
g
en
c
y
s
itu
atio
n
b
ef
o
r
e
s
en
d
in
g
o
u
t t
h
e
SOS s
ig
n
al.
T
h
e
co
n
f
u
s
io
n
m
atr
ix
in
Fig
u
r
e
7
s
h
o
ws
clea
r
s
ep
ar
atio
n
a
m
o
n
g
class
es,
r
esu
ltin
g
in
an
ac
cu
r
ac
y
o
f
9
2
.
5
%.
T
h
e
v
alu
es
in
T
ab
le
4
r
ef
lect
th
e
f
ac
t
th
at
o
u
r
m
o
d
el
h
as
ac
h
iev
ed
0
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9
2
,
0
.
9
1
,
an
d
0
.
9
1
o
f
av
er
a
g
e
p
r
ec
is
io
n
,
r
ec
all
an
d
F1
-
s
co
r
es
r
esp
ec
tiv
ely
.
Alth
o
u
g
h
m
o
d
el
s
s
u
ch
as
SS
D,
R
etin
aNe
t,
an
d
E
f
f
icien
tDet
o
f
f
er
h
ig
h
ac
c
u
r
ac
y
,
th
eir
d
ep
l
o
y
m
en
t
o
n
lo
w
-
p
o
wer
e
d
g
e
d
ev
ic
es
lik
e
E
SP
3
2
is
co
n
s
tr
ain
ed
.
YOL
O
v
3
p
r
o
v
i
d
es
an
ef
f
ec
tiv
e
b
ala
n
ce
b
etwe
en
d
etec
tio
n
ac
cu
r
ac
y
an
d
co
m
p
u
tatio
n
al
ef
f
icien
c
y
,
m
ak
i
n
g
it
s
u
itab
le
f
o
r
r
ea
l
-
tim
e
s
af
ety
ap
p
licatio
n
s
as sh
o
wn
in
T
ab
le
5
.
I
n
o
th
e
r
wo
r
d
s
,
wh
ile
YOL
O
v
3
is
a
g
o
o
d
tr
ad
e
-
o
f
f
b
etwe
e
n
its
ac
cu
r
ac
y
in
d
etec
tin
g
o
b
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Fig
u
r
e
8
d
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th
e
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ated
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t
s
y
s
tem
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Fig
u
r
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8
(
a)
d
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ate
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ich
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u
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e
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t f
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ar
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ased
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3
s
Tab
le 7
.
S
tate
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of
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t
h
e
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a
rt
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p
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]
No
No
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n
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S
M
[
7
]
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a
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y
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s
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Th
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s
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+
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T
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e
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Ar
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ef
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l
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tem
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d
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ea
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tim
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Alth
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e
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le
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d
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u
to
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f
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t
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r
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g
th
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d
ata
r
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iev
al
tim
e,
im
p
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v
in
g
lo
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a
n
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e
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f
er
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n
ce
ca
p
ab
ilit
y
.
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I
AE
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