https://bugs.kde.org/show_bug.cgi?id=505483

            Bug ID: 505483
           Summary: Issue with recognition of faces on a collection with
                    already face data
    Classification: Applications
           Product: digikam
      Version First 8.7.0
       Reported In:
          Platform: Microsoft Windows
                OS: Microsoft Windows
            Status: REPORTED
          Severity: grave
          Priority: NOR
         Component: Faces-Recognition
          Assignee: digikam-bugs-n...@kde.org
          Reporter: mass...@savazzi.eu
  Target Milestone: ---

Created attachment 182190
  --> https://bugs.kde.org/attachment.cgi?id=182190&action=edit
people tag list - 001

SUMMARY
I’ve mapped more or less 100 people I’m interested in with lightroom, then I
wrote all those info in the images in the XMP data so that I have the
name/hierarchy and the region.
I’ve imported the pictures in a new database in digiKam and the result is a
total mess.
the contact structure is messed up: I have tags outside of the hierarchy: see
attachment 001

it screwed up all faces putting tens or hundreds of faces under a name as
Confirmed when they are not, this should be all the same face :frowning:
(I'll attach a second one ) 

this is a MESS no face identical

It appears the face recognition algorithm is not trained correctly and it add
all random faces as confirmed

Also the tags are not imported correctly as some of them are out of the correct
tree structure

STEPS TO REPRODUCE
1. create a library of images with faces, saved as Region in XMP data
2. hierarchical subject and PeopleInPicture tags are populated
3. add folder to digiKam

OBSERVED RESULT
1) hundreds of wrong faces as confirmed in existing tags
2) tags not imported correctly


EXPECTED RESULT
1) confirmed faces to be imported
2) AI to be trained on confirmed faces
3) new faces proposed for confirmation after training
4) people tag in pictures imported correctly

SOFTWARE/OS VERSIONS
Windows: Windows 11 - latest

ADDITIONAL INFORMATION

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