To set face sizes for recognition, perform the following:

1. Go to the Hardware tab in the System Settings dialog box.
2. Select the Face Recognition Server object in the objects tree.
   
3. Set the minimum width in pixels in the Min. width field (1).
4. Set the minimum height in pixels in the Min. height field (2).
5. Set the maximum width in pixels in the Max. width field (3).
6. Set the maximum height in pixels in the Max. height field (4).
7. To save changes click Apply (5).

 Setting the captured face sizes for recognition is completed.