After adding the person(s), you can add a face comparison group and add person(s) to the group for face comparison.

1. Click Person > Face Comparison Group > Add to enter the adding face comparison group page.
   Figure 1. Add Face Comparison Group
2. Create a name for the face comparison group.
3. Set the face comparison similarity threshold which affects the frequency and accuracy of face picture comparison alarm. When the face comparison similarity is higher than the configured threshold, the camera will regard the person as matched.
4. Optional: Enter the description information if needed.
5. Confirm to add the face comparison group.

   • To add persons to the face comparison group, click Add and Add Person and perform the following steps.

   • To save the face comparison group first and add persons to the face comparison group later, click Add to finish this task and return to the face comparison group list.

6. Optional: If you click Add and Add Person, you will enter the next page to add persons to this face comparison group.
   1. In the Add from field, choose to add existing persons or add a new person to this group.

      Existing Person

      Add existing persons in the system to this face comparison group.

      Add New Person

      Add a new person to this face comparison group. The person will be added to the person list as well.

   2. Optional: If you select Existing Person, you can filter persons in the person list by entering keywords of person name, person group name, or additional information.

      Person List

      Filter persons in the person list by entering keywords of person name, person group name, or additional information.

      Note:

      You can click Additional Information to enable the custom additional information as search condition.

      Face Comparison Group

      Add all the persons in the selected face comparison group(s) to this face comparison group.

7. Optional: After adding the persons to the face comparison group, you can do one or more of the followings.

   Option	Description
   Manage Persons in Face Comparison Group	Click the added face comparison group and the persons in this group will be displayed on the right. You can add more persons into this group, or perform other operations such as issuing cards, importing and exporting persons. For details, refer toManage Person List.
   Edit Face Comparison Group	Click in the Operation column to edit its details and edit the cameras that it is applied to.
   Delete Face Comparison Group	Select one face comparison group and click Delete to delete it.
   Delete All Face Comparison Groups	Click Delete All to delete all the added face comparison groups.