Update smart-motion-sensor.md

detection/smart-motion-sensor.md

@@ -38,3 +38,22 @@ When using Scrypted NVR, license plate recognition must first be enabled on the
 ::: tip
 License plate character recognition can be inaccurate depending on conditions. Changing the `Label Distance` setting will configure the detector to allow a number of missing or incorrect characters when attempting to match a specific plate.  Ie, a distance of 1 will match `ABCDE` to `ABCBE` or `ABCD`.
 :::
+
+## Face Recognition
+
+Scrypted can create a `Smart Motion Sensor` that triggers on specific people. This feature requires requires Scrypted NVR Object Detection (currently no camera/plugin supports this on hardware). Face Recognition is *highly* dependent on lighting conditions and face capture angle.
+
+### Scrypted NVR Setup
+
+When using Scrypted NVR, label some faces in the Detections overview tab to start recognizing the people of interest.
+
+### Face Recognition Sensor Setup
+
+1. Set up a smart motion sensor as described in the steps above.
+2. In the Detection dropdown, select `face` (Scrypted NVR). The `person` detection type will not work, as that detects the entire person and not specfically the face.
+3. Navigate to the `Recognition` tab.
+4. Type the name of person to detect as labeled in the prior step. Press enter to add it to the list. Multiple names may be provided, repeat this process for as many people are desired.
+5. Set the `Label Distance` to `0` so the name must exactly match.
+6. Click `Save`.
+
+![image](/img/face.png)