The VE141 Camera Tampering Engine is designed to detect when the field of view is obstructed. This can occur if the camera has been moved, if the lens is spray painted, or if a large object is placed in front of the camera. This is a general purpose analytic and should normally run on each camera.
Task 1: Configure VE141
To configure the VE141:
1. In Symphony Client, from the Server menu, select Configuration. The Configuration dialog box opens. This allows you to configure devices for the currently selected server.
2. In the left pane, click Devices. The Devices dialog box opens.
3. Click the camera you want to configure for use with video analytics and click Edit.
4. Click the Analytics Engines tab and select VE141.
5. Click the Analytics Configuration tab.
To configure the Analytics Configuration tab for the VE141:
1. From the Analytics Engines drop-down list, select Intel_VE141.
2. Depending on the type of camera, you can define the pan, tilt, an zoom for a PTZ camera.
3. From the Analysis Resolution drop-down list, select a resolution.
4. Click OK to save settings.
Task 2: Create a Rule using VE141
To configure a Rule using the VE141:
1. You must configure the VE141 before creating a Rule that uses the VE141.
2. From the Server menu, select Configuration and then Rules
3. Click New. The Rule Wizard opens. Read the overview and click Next.
4. Select the check box next to the camera name. If it is a PTZ camera, select the camera tour position check box.
5. From the Select video engine for those running on camera drop-down list, select VE141 - Camera Tampering. No further configuration is required.
6. Click Next to continue in the Rule Wizard. Set up the rules as per concepts and instructions in Rules - Using the Rule Wizard.