ETV
S
y
s
t
e
m
Server Software - User’s
G
u
i
d
e
Page
75
S
e
n
s
i
t
i
v
i
t
y
A
d
j
u
st
s
the sensitivity
used
for
a
n
a
l
y
t
i
cs
o
b
j
e
ct
detection. Higher sensitivity
will
detect more
su
b
t
l
e
image
ch
a
n
g
e
s.
Track
O
b
j
e
c
t
A
f
t
e
r
E
x
i
s
t
s
The
number of milliseconds for
which
the
o
b
j
e
ct
must
be
d
e
t
e
ct
e
d
before it
is
tracked
as an
o
b
j
e
ct
.
I
ncr
e
a
se
this
value
to reduce false alarms.
In
a
very
wide
field of view, this
value can be
sa
f
e
l
y
increased.
In
a
narrower field of view, this
value
must
be
a
d
j
u
st
e
d
with
ca
u
t
i
o
n
and could
p
o
ssi
b
l
y
result
in valid
persons not
being
d
e
t
e
ct
e
d
if the
value is
se
t
too
high
for the
co
n
d
i
t
i
o
ns.
Drop
O
b
j
e
c
t
s
A
f
t
e
r
M
i
ss
i
n
g
The
number of milliseconds for
which a
tracked
o
b
j
e
c
t
must
be
missing before it
is no
l
o
n
g
e
r
t
r
a
ck
e
d
.
O
b
j
e
c
t
S
i
ze
E
rr
o
r
Range
S
e
t
s
the minimum
and
maximum variation to the person
size
se
t
in
the
Perspective
S
e
tt
i
n
g
s.
L
i
g
h
t
C
h
an
g
e
T
h
r
e
s
h
o
l
d
Allows
light
changes
to occur within the
image
without triggering
any
false
o
b
j
e
ct
s
to appear
w
i
t
h
i
n
the image.
For
example lights turning
on
or
o
ff
.
Max Analyze FPS
A
d
j
u
st
s
the maximum number of frames per
second
that
will be used
for analysis.
If this
value
i
s
increased, more
CPU load will be
required for the
a
n
a
l
y
t
i
cs
e
n
g
i
n
e
.
If
o
b
j
e
ct
s
are moving very quickly through the
image in a
narrow field of
view
then this
value
ca
n
be
increased to detect
o
b
j
e
ct
s
more accurately.
If
o
b
j
e
ct
s
are moving very slowly through
t
h
e
image in a wide angle view
then this
value can be
decreased
to reduce
CPU
l
o
a
d
.
Two Pass
O
b
j
e
c
t
C
o
un
t
Allows
more comparison with
past
frames to provide
a
more in-depth analysis
using
l
o
g
i
ca
l
deductions
in views
with
p
e
r
sp
e
ct
i
v
e
.
S
t
r
i
c
t
s
i
ze
e
s
t
i
m
at
i
o
n
P
u
t
s
more emphasis
on
the
size
of
an
o
b
j
e
ct
and less
emphasis
on
its behaviour to determine if it
i
s
a valid
person or
v
e
h
i
cl
e
.
C
o
un
t
by
T
r
ac
e
O
b
j
e
ct
s
must
be
travelling through the
image and move valid
d
i
st
a
n
ce
O
b
j
e
ct
s
must
be
travelling through the
image
at
a valid
sp
ee
d
Average
size
of the
o
b
j
e
ct
must
be
co
n
si
st
e
n
t
as
it
moves
through the
i
m
a
g
e
Display
O
p
t
i
o
n
s
S
e
t
what information to display
on Video Feed
for
Each Video
A
n
a
l
y
t
i
cs
R
u
l
e
.
(29 stránky)
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