best way to import iphoto-formatted photos on dvd
I was trying to eliminate duplicate photos, so used a program that identified 1,400; I then burned these onto DVD before deleting. I now think the program misidentified some duplicates, so I want to re-import the photos.
Out of caution, I burned them in two formats, on two different disks: as an iPhoto folder and as exported photos.
How do I best re-import these photos into my library? I assume the iPhoto-folder disk would retain the most metadata. Can I just "select all" of the photos on the disk (within iPhoto, not the Finder), then drag them back into the library? Or is there more to it?
iMac, Mac OS X (10.7), mid-2011 i5