[Digikam-devel] [Bug 259146] New: libface doesn't learn new faces
teemu at rautakuu.org
Tue Dec 7 16:44:23 GMT 2010
Summary: libface doesn't learn new faces
Platform: openSUSE RPMs
AssignedTo: digikam-devel at kde.org
ReportedBy: teemu at rautakuu.org
Created an attachment (id=54262)
Patch that makes learning work. Might not be a correct way to work with opencv.
Version: 2.0.0 (using KDE 4.5.4)
If trained face contains known face ID,
to average old face and new face, but in Eigenfaces::EigenfacesPriv::learn()
second argument newFace is commented out, and not included into tempFaces for
Reproducible: Didn't try
Steps to Reproduce:
Train face database twice with same id.
OpenCV throws exception for not being able to calculate average.
Average is calculated, and stored.
Current averaging method puts too much value for lastly trained face (50%), and
isn't really an "average" of trained faces.
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