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1. Go to Archive mode and find the object you want to mask (see Switching to the Archive mode). Go to the frame where the object first appears in the camera FOV (see Navigating in the archive).
   
2. Click the  button.
3. Select a shape for the mask: oval or rectangular.
   

4. Apply the mask over the object.

   Info
   title Note
   Configuring a masked area similar to adding a comment (see Adding a commentsee Bookmarks).

   

5. Locate the last frame before the object disappears from the camera FOV and place the mask over it. To save mask position, click the Add point button.
   
6. The system automatically interpolates the mask position on intermediate frames, assuming that the object is moving straight and rectilinear. 

7. View the video. If necessary, you can specify additional mask positions on intermediate frames for better masking. The system automatically re-interpolates mask positions within the video sequence.
   

   Info
   title Note
   To remove a mask position, click the  button.

8. After setting all necessary mask positions, enter your comment and click the Save button.

   Note
   title Attention!
   After the mask is saved, you cannot delete it. Only the users who have the Yes value selected for the View masked video parameter can hide the mask when viewing the archive and exporting (see Role).

   

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