Sony IPELA SNC-RX550NP User Manual page 82

Select the minimum size of the detectable unattended
object from L (Large), M (Medium) and S (Small),
Each option represents the corresponding size below:
L: 64 × 64 dots
M: 32 × 32 dots
S: 8 × 8 dots
Tip
The monitor display is 640 × 480 dots. Size L is 1/10 the
width of the monitor display.
Restart button
Click this button to initialize the unattended object
detection function. A new background image will be
acquired from the current image.
OK button
Click to send the set values to the camera and confirm
the settings.
Notes
• Unattended object detection does not operate until the
status lamp turns green.
• Although the display on the monitor quickly responds
to the setting being performed as you change the size
of a window or a setting, you need to click the OK
button to confirm the setting. The setting will be
cancelled if you do not click the OK button.
To set the unattended object detection
function
Set the unattended object detection function as follows:
1
Set the PTZ position.
Select Preset position for PTZ position when you
activate unattended object detection linked with a
preset position. Select Current position when you
activate it regardless of the camera position.
2
Select the camera position where you want to
activate detection.
When you select Preset position for PTZ position,
select the desired preset position from the Position
drop-down list, and the camera will move to the
selected preset position automatically.
3
Select Unattended object on Detection.
The setting items for unattended object detection
appear.
4
Wait until the status lamp turns green.
82
Setting the Object Detection Function — Object detection Menu
When the status lamp is gray, the camera is in the
process of acquiring a background image.
Unattended object detection does not work during
this period.
The status lamp turns green when the background
image has been acquired.
Note
When you acquire a background image, use an
image with as little motion as possible. If you use
an image with a lot of motion, it will take a long
time to complete acquiring of the background
image.
5
Check the Window 1 check box.
The Window 1 frame appears on the monitor
display.
6
Adjust the position and size of Window 1.
Drag Window 1 to move it and change its size.
7
Set the active or inactive windows.
Select Active to set Window 1 as an active area, or
Inactive to set it as an inactive area.
Note
If an active window and inactive window overlap,
the overlapped portion will be regarded as an
inactive area.
When the two windows overlap, the inactive
window is displayed over the active window on the
monitor screen. If the active window is hidden by
an inactive window and its position or size cannot
be changed, temporarily change the active window
to an inactive window and change the position and
size. After changing, reset it as an active window.
8
Set the function for Windows 2 to Windows 4.
Repeat steps 5 to 7 for each window.
9
Select the object size for Object size.
Select a larger size if a small noise may be detected
as an object by mistake.
10
Check whether an unattended object is detected
properly.
Place an object in the window and confirm that
unattended object detection works correctly.
The object regarded as an unattended object is
marked with a green frame.
Note
It may take a long time until an unattended object is
detected, depending on the image being shot.
11
Click OK.