Auto-classification of local photos tons

Hi, All

Any suggestion how to make pre-classification of megatons of photos that were collected since 2012 ?
List of photos paths is gotten already.
It's a pain to tap each one among 6000 photos, with a half of them as a garbage to be deleted...

By creating a routine that reads metadata, exif data and saves in a database

It's obviously "by means", but question is "how" to auto-classify bitmaps...

To classify automatically would require automatic photo recognition.
Like an AI that could recognize what's in the photo.
Otherwise, you would have to do it yourself. index all photos and then create tags for the selection.
Show photos as thumbnails. Choose a tag (Person, landscape, ...) and select all the photos corresponding to this tag.
It's a lot of work.
I don't think it's possible to do everything automatically if you don't have a recognition system.
Maybe someone has another idea.

zed, the topic is exactly for this - do we have any free recognition\classification system API for Android ?

To my knowledge, no.
But since I never needed to do this job, I could be wrong.
There is of course Google Cloud Vision API.
But it's used google services