I scanned many old slides and have many photos of my own. I set out to archive these a couple of years ago. My main aim was to annotate details in a format that would last and could be transferable across imaging software products. After much deliberation I decided to use Windows Photo gallery because it was easy. The caption transferred nicely to Picasa and to Lightroom that I have not yet got used to. In LR however, the caption was replicated also in Title. Easy to fix. I also embarked on geotagging and after a few false starts, settled on LR. Again, with few exceptions, the locations seem to keep well across products. I then face tagged them and here is where I am at now; I see them in Geosetter (boxes over faces with names). Picasa too recognises them though as it is no longer supported I no longer use it.IN LR however, some are and most are not. Of a total of 4000 faces, 300 or so have matched perfectly. The remainder have boxes with '?' in them, others are a mess. I thought never mind. I do this manually again but move over to LR for workflow except that the pictures I have tagged with LR are not recognised in either Windows Photo Gallery or Geosetter! I have looked this up here and elsewhere. It seems I must become a coder and embark on doing scary command prompts on Exiftool to get the regions and keywords to match or something but I keep hopeful - if some have gone across, then surely I must have done something to make that possible and I could get all to go across. Perhaps it doesn't matter that Windows doesn't recognise them but alas Windows isn't a small player here - what ever solution I chose, it must work across the main platforms. I'm now thinking I'll use Daminion or Mylio. They are free but do I really have to use yet another program to do these simple things? Somebody out there must have the answer - an answer that is suitable for a simple end user such as me that doesn't want to have to learn code or hack into a program to do basic things....Please help.
LR, Picasa, and Windows Photo Gallery all use different ways of representing face rectangles and associated person names in the photo's metadata. There is a relevant industry standard from the Metadata Working Group, but they use its mechanisms differently in somewhat incompatible ways. So trying to use more than one of the programs simultaneously will only result in frustration. Best to pick one program and research the various online forums for how to convert to that program's representation using Exiftool (painful, indeed).