[digiKam-users] Crash during facial recognition

[Maik Qualmann]

Well, we already have various bug reports on this. We're working on it. I 
understand correctly that face detection works, it crashes in face 
recognition? Try the digiKam-7.2.0-beta1 from here:

https://files.kde.org/digikam/

Maik

Am Samstag, 10. Oktober 2020, 18:58:28 CEST schrieb bryan at gillson.net:
> I am unable to run facial recognition without Digikam crashing. Is this a
> common problem, and are there known issues or workarounds for this?
> 
> 
> 
> I'm running Digikam 7.1 on Windows 10, with a database of about 100,000
> pictures. All databases are set to MySQL Server (experimental), which
> connects to a Synology NAS running MariaDB 10.3.21 over the network. This is
> a bit slow, but my wife and I both access the database from separate PCs
> and need to share tags.
> 
> 
> 
> To run the recognition, I go to the People tab, choose Workflow -> Detect
> faces, Search In -> Whole albums collection. When this completed, I expected
> to manually tag a variety of faces in the Unknown tag and then repeat the
> process with Workflow -> Recognize faces. I assume this would reclassify
> most of the pictures from Unknown to the proper name tag, except for those
> that end up in Unconfirmed and need manual tagging.
> 
> 
> 
> Instead, Digikam adds about 800 faces to Unknown and then crashes (see the
> Windows EventVwr Application Error below). When I repeat the process with
> Recognize Faces, very few faces get recognized and I find myself mostly
> manually tagging. Faces are primarily friends and family over a 20 year
> period, so I have tagged people at points of life from babies through late
> teens.
> 
> 
> 
> Questions:
> 
> 1.	How can I stop the crashing? Is there a better log I could upload?
> 2.	Is my workflow (Detect faces first, then Recognize Faces second)
> correct?
> 3.	Am I correct in using varying ages for training data (the initial
> manual tags), or should I only pick one age and let the AI sort it out?
> 
> 
> 
> Thank you! (App crash log is below)
> 
> 
> 
> 
> 
> Log Name:      Application
> 
> Source:        Application Error
> 
> Date:          10/9/2020 4:21:01 PM
> 
> Event ID:      1000
> 
> Task Category: (100)
> 
> Level:         Error
> 
> Keywords:      Classic
> 
> User:          N/A
> 
> Computer:      PC-VM
> 
> Description:
> 
> Faulting application name: digikam.exe, version: 0.0.0.0, time stamp:
> 0x00000000
> 
> Faulting module name: libstdc++-6.dll, version: 0.0.0.0, time stamp:
> 0x00000000
> 
> Exception code: 0x40000015
> 
> Fault offset: 0x000000000002070a
> 
> Faulting process id: 0x2ddc
> 
> Faulting application start time: 0x01d69c00905c92da
> 
> Faulting application path: C:\Program Files\digiKam\digikam.exe
> 
> Faulting module path: C:\Program Files\digiKam\libstdc++-6.dll
> 
> Report Id: 762bb3d4-ed93-4e35-8912-ab928529a5c2
> 
> Faulting package full name:
> 
> Faulting package-relative application ID: