Mac: Need a Face Recognition picture solution

and I need it to highlight duplicates and make it easy to purge duplicates.

I have 48GB clogging my disk with pictures and think I have many duplicates.  Know many images exist in both the Photo Gallery AND on my disk. And often there are multiple copies in both places.

What kind of automation is there I can use to save disk space and not spend time going through each picture. I really do not have the time, but I want:

1) grouping by person to be an option, and will train the system later, when I have time
2) remove from disk when safely stored in this program

Can I use Photo Gallery on the Mac for this?

Shall I consider the Google program, the name of which I forget?

Thanks.
newbiewebSr. Software EngineerAsked:
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David FavorLinux/LXD/WordPress/Hosting SavantCommented:
If they're exact matches, then you can get away with using one of these Duplicate File Finder programs.

Or... likely better...

DupeGuru which provides optional fuzzy matching on photos, which are slightly different.

Sometimes which Apps import photos, they change them slightly. Usually culprit is injected meta tags.

Normal approach is to do two pass de-dupe (de-duplicating).

Pass #1: To exact matching, which is way faster than fuzzy matching.

Then clean up all duplicates that match exactly.

Pass #2: Fuzzy matching, to find photos with subtle changes.
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arnoldCommented:
As the above, you can use terminal shell script that will use md5sum or sha256sum
ls | while read filename; do
If test -f "$filename"; then
echo -e "processing file: $filename: " $(md5sum "$filename")
echo " "
done > results_file.txt

The above will generate a list of files in the first column and the md5 digest/signature or if you use sha256sum......
Sorting the data in the second column, identical ..
If you want to get IDS that have more than one

cat results_file.txt | awk ' { print $NF } ' |sort |unique -c | sort -rn |awk ' ($1>=2) { print $2" Appears "$1" times" }'

All this is in a terminal window using eithe shell or bash and possibly ksh or zsh ......
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newbiewebSr. Software EngineerAuthor Commented:
thanks
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