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AXIS P1204 Network Camera
Detectors
Note
Using the motion detection feature may decrease the product’s overall performance.
Set Up Motion Detection Windows
To set up a motion detection Include Window, follow these instructions:
1. Go to Detectors > Motion Detection.
2. Select the Configure Included Windows option and click New. Select the new window in the list of window s and enter
adescriptivename.
3. Adjust the size (drag the b ottom r ight-hand corner) and the position (click on the text at the top and drag to the desired
position) of the window.
4. Adjust the Object Size, History and Sensitivity profile sliders (see Motion Detection Parameters for details). Any detected
motion within an active window is indicated by red peaks in the Activity window.
5. Click Save.
To exclude parts of the include window, select the Configure Excluded Windows and position the exclude window within the
include window.
To delete an include or exclude window, s elect the window in the list of w indows and click Del.
Motion Detection Parameters
The parameters controlling motion detection are described in the table below:
Parameter
Object Size
History
Sensitivity
Description
Object size relative to window
size.
Object memory length.
Difference in luminance
between background and
object.
High level (100%)
Only very large objects trigger
motion detection.
An object that appears in
the window triggers motion
detection for a long time
before it is considered as
non-moving.
Ordinary colored objects on
ordinary backgrounds trigger
motion detection.
Medium level (50%)
A large difference in luminance
is required to trigge r motion
detection.
Low level (0%)
Even very small objects trigger
motion detection.
An object that appears in
the window triggers motion
detection only for a very short
time before it is considered as
non-moving.
Only very bright objects on
a dark background tri
gger
motion detection.
Recommended values
5–15% 60–90% 75–95%
Default values
15% 90% 90%
Note
• To trigger on small o bjects or movements, use several small motion detection windows rather than one large w indow
and select a low object size.
• To avoid triggering on small objects, select a high object size.
• If no objects should appear in the Include Window, select a high history level. This will cause motion detection to
trigger a s long as the object is present in the window.
• To only detect flashing light, s elect a low sensitivity. In other cases high sensitivity is recommended.
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