DMS 80 / DMS 160 / DMS 240 / DMS 240 HSR
www.dallmeier.com
71
¾
Set the
Minimum object size
.
¾
Set the
Time to message
.
¾
Finally confirm with
Close
.
Object size
The minimum size of a relevant object can be set between 2% to 30% of the image reso-
lution.
If a very low object size is set, a minor deviance is enough to trigger a message. But minor
deviances often are caused by alternating ambient conditions (brightness, shadow). Many
false messages have to be anticipated.
If a very high object size is set, the current image may differ very much from the reference
data. Only few false messages can be anticipated. But small objects will not be detected.
Reference values
5%
=
sensitive / many messages
15%
=
average value
30%
=
insensitive / few messages
Time to message
The
Time to message
determines how long an object has to be detected before an object
event is reported. The longer this period is the fewer false messages will be triggered.
However short-term added or removed objects can not be detected.
6.8.4
SmartFinder
The
SmartFinder
®
function detects motions by analyzing and comparing subsequent ima-
ges. A detected motion event is saved with the corresponding coordinates in a data base.
Evaluation of the motion events can be done for arbitrary image sections with the external
Dallmeier software
PView
or with the recorder’s GUI.
Note that...
... the function is not suitable for dome/PTZ cameras.
... the camera has to be mounted vibration-free.
... displaying and sending of a message is not intended.
... the
Use Database
option automatically will be activated for the relevant camera.
... the
Search Criteria / Movement coordinates
option automatically will be activated.
... alternating ambient conditions (brightness, precipitation) can cause false messages
¾
Left-click
the relevant SmartFinder button.
Fig. 6-52 : SmartFinder activation
The
SmartFinder
function will be activated with default settings for the corresponding came-
ra. The configuration of the SmartFinder function is done in the
Settings for SmartFinder
dialog.
¾
Rightclick
the relevant SmartFinder button.
