The Processing tab contains controls to set up face detection and image processing options.
Check Image Processing to enable image processing.
The Show Processing Window group includes the following options:
Never: the ID Photo Processing window will not be displayed (will be skipped off), and the image will be processed according to the last settings made.
Always: the ID Photo Processing window is always invoked,
Show if necessary: the ID Photo Processing window is displayed when necessary, e.g. when the face is not recognized on the image, when the face is too close to the image border, etc.
Check Auto Face Detection to activate the automatic face recognition and detection.