[Digikam-devel] Re: Status of face detection

[Gilles Caulier]

2010/10/31 Jasper <jasper.mackenzie at gmail.com>:
>
> Sven:
>>In the tags tab, so you see the people > unknown tag?
>  No.
> The  title: People Tags
> the button: Scan collection... etc.
> The colum heading: My Tags
> Then the single entry "My Tags"
>
> Marcel:
> ls -a /usr/share/opencv
> OpenCVConfig.cmake
>
>
> So I got opencv from svn, and built this first.
>
>  I have been trying to keep the different versions of digikam separate, i.e
> putting this one in /opt/svn-branch.... but this failed miserably with
> libface and all that... so purging the ubuntu versions of libcv, kipi,
> digikam et.al  and build and running was ok.
>
>  This time face detection (with opencv from svn) doesnt show the "Could not
> load classifier cascade" error, But, face detection does nothing it seems.
> It runs, progress bar et, but no result ecept a popup anouncing digikam has
> updaed the face databse...
>  there are a few things that may be of interest:
> Cascade directory located as : /usr/share/opencv/haarcascades
> Error: Directory Unknown with def3 entries considered invalid; not read.
> Scaling with darkness 0, saturation 3968, and
> multipliers 2.229557 1.000000 1.356650 1.000000
> Converting to sRGB colorspace...
> Error: Directory Unknown with def3 entries considered invalid; not read.
>
> and billions of these which I always get...
>  Warning: Directory Thumbnail, entry 0x0201: Data area exceeds data buffer,
> ignoring it.

These messages come from Exiv2 lib. Using libkexiv2 from trunk, all
these messages are rerouted with KDebug and can be disabled with
kdebugdialog. Just unselect kexiv2 debug namespace.

Gilles Caulier