P: A filter for portrait and landscape images

I'm an event photographer I take a combination of landscape and portrait pictures when it comes to Editing I want to be able to filter out the landscape from the portrait for re sizing for re signs in also just to be able to create a separate album yet to create a separate album for portrait pitches alone without having to go through a manual selection process is there any way we can develop a filter anyway we can develop a filter for such a task