[digikam] [Bug 316897] New: Face Detection colour filtering and using EXIF-data

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[digikam] [Bug 316897] New: Face Detection colour filtering and using EXIF-data

Axel Krebs
https://bugs.kde.org/show_bug.cgi?id=316897

            Bug ID: 316897
           Summary: Face Detection colour filtering and using EXIF-data
    Classification: Unclassified
           Product: digikam
           Version: 3.0.0
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: NOR
         Component: Face Management
          Assignee: [hidden email]
          Reporter: [hidden email]

Face detection does not work very well it proivides many hits, which "cannot
be" as green leafes, hous and other technical stuff.

Besides, it looks like (no serious research conducted), as the _same_ face once
upright is detected correctly. And, when finding the same face (of the pic!)
but in horizontal/landscape orientation, face recognition will not
work/recognize.

These observations bring me to the questions resp. suggestions:
1.) does face recognition works independent from orientation?
2.) what is the relationship of face recognition algorithm to EXIF-
information?
3.) why green leafes can be recognized as "faces"? Does digiKam respect to
Marsians?



Reproducible: Sometimes

Steps to Reproduce:
1. run face detection
2. after this step, you'll get faces, some recognized, some don't, some
upright, some horizontal
3.


Expected Results:  
Face recozghnition should work independent from orientatuion and should exclude
"erratic" face colours.

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[digikam] [Bug 316897] Face Detection colour filtering and using EXIF-data

Gilles Caulier-4
https://bugs.kde.org/show_bug.cgi?id=316897

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[hidden email]
           Severity|major                       |normal

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[digikam] [Bug 316897] Face Detection improvements by colors filtering and using EXIF orientation

Gilles Caulier-4
In reply to this post by Axel Krebs
https://bugs.kde.org/show_bug.cgi?id=316897

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Face Detection colour       |Face Detection improvements
                   |filtering and using         |by colors filtering and
                   |EXIF-data                   |using EXIF orientation
          Component|Face Management             |libkface

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[digikam] [Bug 316897] Face Detection improvements by colors filtering and using EXIF orientation

bugzilla_noreply
In reply to this post by Axel Krebs
https://bugs.kde.org/show_bug.cgi?id=316897

[hidden email] changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |wishlist

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