Media Server 12.13

# Analyze Facial Expression

This section describes how to analyze the facial expression for detected faces.

TIP: You must first detect faces by setting up a face detection task. For information about how to do this, see Detect Faces.

To analyze facial expression

1. Create a new configuration to send to Media Server with the `process` action, or open an existing configuration that you want to modify.

2. In the `[Session]` section, add a new analysis task by setting the `EngineN` parameter. You can give the task any name, for example:

       [Session]
       Engine0=Ingest
       Engine1=FaceDetect
       Engine2=FaceState

3. Create a new configuration section to contain the task settings, and set the following parameters:

   `Type` | The analysis engine to use. Set this parameter to `FaceState`.
   `Input` | The track that contains detected faces that you want to analyze. Providing you have sufficient computational resources, Micro Focus recommends setting this parameter to the `DataWithSource` output track from your face detection task. For example, if your face detection task is named `FaceDetect`, set this parameter to `FaceDetect.DataWithSource`. Alternatively, you can use the `ResultWithSource` track produced by your face detection task.

   For example:

       [FaceState]
       Type=facestate
       Input=FaceDetect.DataWithSource

   For more information about these parameters, refer to the Media Server Reference.

4. Save and close the configuration file. Micro Focus recommends that you save your configuration files in the location specified by the `ConfigDirectory` parameter.

© Copyright 2022 Micro Focus or one of its affiliates
Version 12.13 | Last updated October 2022

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Product: IDOL Media Server 12.13

Topic Title: Analyze Facial Expression