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By default, the entire FoV is a Scene analytics detection tools zoneframe is analyzed. If you need want to exclude parts of the scene prone to false alarms from detection (leavesdifficult areas in the camera FOV (foliage, water, etc.), you should set exclude areas – zone with Scene analytics detection tools and metadata generation disabledand so on) from the analysis, you must specify one or more areas where detection and metadata generation won’t be performed.

To do sothis, follow do the stepsfollowing:

1. Select
the Object Tracker object
2. a detector and click the Image Modified button.
3. In the
FoV, set the nodes of the closed area, in order, inside of which you want no detection
4. surveillance window, click the mouse button.
5. Select Ignore area in the list.

6. Set the anchor points of the area within which the detection won’t be performed.

   Image Modified

   Info
   title Note

When

7. Depending on the

area is

8. detector being

constructed

9. configured, the

nodes

10. area can be either rectangular or polygonal. When you set anchor points, they are connected by a two-color

dotted line which outlines

11. dashed line outlining the border of the area

's borders

12. .

Info

title	Note

 For your convenience

13. For convenience of configuration, you can

click

14. "freeze" the frame. Click the Image Modified

button and configure the mask on a still frame/snapshot. To undo, click this button again

15. button. To cancel the action, click this button again. Once the area is closed, the Image Added buttons are available on its borders between the anchor points. When you click them, a new anchor point is added, allowing you to specify the most precise areas possible. To delete a selected area, click the Image Added button.

    Action	Result

Click

16. Left-click or right-click in the

viewing tile.

17. surveillance window

    Creates a new anchor point of the area

node

18. Right-click

on

19. a created

node.

20. anchor point

    Deletes an anchor point of the area

node
Position

22. Hover the

cursor on a node and hold

23. mouse cursor over an anchor point and, holding down the left mouse button

while you

24. , move the mouse

.

25. Moves an anchor point of the area

node

27. Specify all required areas.

28. Click

the Image Removed

29. the Apply Image Added button.

Deletes the area

Once the area is closed, you will see the Image Removed buttons on the borderlines. If you click them, a new node is added. This allows you to be more flexible with zoning. 

30. Set the required masking areas.

31. Click the Apply button.

You have successfully created the detection zone.

...

...

1. To cancel the changes, click the Cancel Image Added button.

Configuration of the ignore area is complete. Ignore areas are relevant for all sub-detectors created on the basis of the parent detector.