You can use filtering only with images that has been registered.
On the filtering screen on the bottom left of the main window, put a check () in the checkbox of the items you want to select as criteria.
You can select the following items.
[Favorites]
Displays only images registered as favorites. You can also select [Favorites 1] to [Favorites 6] respectively.
[Labels]
Displays only images with labels added. You can also select such as
[Travel],
[Family], or
[Friends], respectively.
Selecting [Unlabeled] displays only images with no label.
[Rating]
Displays only images with edited ratings. You can also select each rating.