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It is possible to apply a privacy mask to the video image to hide certain parts of the frame:

• when viewing live videos;
• when viewing the archive;
• on exported videos and still frames.

The detection tools that support privacy mask:

• Configuring Face detection;
• Configuring Face detection (VL);
• Configuring Face Detection and Temperature Control;
• Configuring Masks Detection;
• Person-based privacy masking configuration;
• Specific settings for People masking detection tool.

Privacy mask will apply to all users who have the View masked video parameter set to No in the role configuration (see Creating and configuring roles).

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1. Select the Video Camera object and click the Image Removed Image Added button.

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   The button is inactive, if the text overlay button is active Image Removed Image Added (see Putting a text over the camera window).

   
   

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   For your convenience, you can click the Image Removed Image Added button and configure the mask on a still frame. To undo, click this button again.

   
   

2. In the preview window, sequentially set the anchor points of the closed area that you want to hide when viewing the live video image. 

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   When the area is being constructed, the anchor points are connected by a two-color dotted line which outlines the area's borders.

   
   

   Action	Result
   Left or right click in the video surveillance window	Create a new anchor point in the area
   Right click on a created anchor point	Delete the area anchor point
   Point the cursor to an anchor point and holding the left mouse button, move the mouse	Move the area anchor point
   Click the Image Removed Image Added button	Delete the area

   
   

3. You can mask the selected area with black color (by default), or with a mosaic mask. To apply the mosaic mask, do the following:

   1. Click the Image Removed Image Added button.

   2. Set the checkbox.
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   3. Click the OK button.

4. You can specify several areas.
5. Click the Apply button.

Privacy mask configuration is complete. When you view a video image from this camera, the selected area will be hidden.

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