Ok, my sister plans to upgrade to newer Vinux, whis is based on Ubuntu 10.10, so I will wait and try this again in the new system.
regards Helios 2011/1/4 Eitan Isaacson <ei...@monotonous.org>: > Hey > I am using Fedora where it works, not Ubuntu, but it seems > like frei0r-plugins is pulling in an incomplete opencv package. > see https://bugs.launchpad.net/ubuntu/+source/opencv/+bug/459940 > The workaround they suggest is to remove frei0r-plugins which is not an > option since you need it. > Try installing libcv-dev since it contains the missing file. > Cheers, > Eitan. > 2011/1/4 Helios <helio...@gmail.com> >> >> Ok, >> I got that GUI and also: >> >> pe...@hp550:/home/psychopetra/Plocha$ gstreamer-properties >> gstreamer-properties-Message: Skipping unavailable plugin 'artsdsink' >> gstreamer-properties-Message: Skipping unavailable plugin 'esdsink' >> gstreamer-properties-Message: Skipping unavailable plugin 'glimagesink' >> gstreamer-properties-Message: Skipping unavailable plugin 'sdlvideosink' >> gstreamer-properties-Message: Skipping unavailable plugin 'v4lmjpegsrc' >> gstreamer-properties-Message: Skipping unavailable plugin 'qcamsrc' >> gstreamer-properties-Message: Skipping unavailable plugin 'esdmon' >> pe...@hp550:/home/psychopetra/Plocha$ >> >> And all looks to be OK, testing also works. However, the problem remains: >> >> pe...@hp550:/home/psychopetra/Plocha$ gst-launch-0.10 autovideosrc ! >> ffmpegcolorspace ! frei0r-filter-bw0r ! >> ERROR: Could not load classifier cascade >> /usr/share/opencv/haarcascades/haarcascade_frontalface_alt2.xml >> VAROVÁNÍ: chybná roura: propojení bez elementu spotřebiče >> pe...@hp550:/home/psychopetra/Plocha$ >> >> I added some screenshots so maybe there is somewhere incorrectly set. >> >> Helios >> >> >> >> 2011/1/4 Eitan Isaacson <ei...@monotonous.org>: >> > Looks like your webcam is not automatically getting picked up by >> > gstreamer. >> > run gstreamer-properties (in Ubuntu it's in the gnome-media package), >> > and >> > make sure the video default input works, or configure it appropriately. >> > >> > 2011/1/4 Helios <helio...@gmail.com> >> >> >> >> Hi Eitan, >> >> I am not sure if I did all correctly but.... I installed frei0r-filter >> >> (first I googled a little to find out what is it) from Ubuntu >> >> repository, but when I tried the supplied command, I got this output: >> >> >> >> pe...@hp550:/home/psychopetra/Plocha$ gst-launch-0.10 autovideosrc ! >> >> ffmpegcolorspace ! frei0r-filter-bw0r ! >> >> ERROR: Could not load classifier cascade >> >> /usr/share/opencv/haarcascades/haarcascade_frontalface_alt2.xml >> >> ERROR: Could not load classifier cascade >> >> /usr/share/opencv/haarcascades/haarcascade_frontalface_alt2.xml >> >> VAROVÁNÍ: chybná roura: propojení bez elementu spotřebiče >> >> pe...@hp550:/home/psychopetra/Plocha$ >> >> >> >> It is in Czech - the last but one row means something like "Warning: >> >> incorrect pipe: connection without device element >> >> >> >> I tried to install python-opencv, but I again got this: >> >> >> >> E: yaml-mode: podproces instalovaný post-installation skript vrátil >> >> chybový status 1 >> >> (subprocess installed post-installation skrict returned error status 1) >> >> >> >> Helios >> >> >> >> Vinux 3.0 (Ubuntu Lucid, Kernel 2.6.32-27-generic), Gnome 2.30.2, >> >> HP550 laptop: Intel Celeron, 1GB ram, Intel graphics >> >> >> >> 2011/1/4 Eitan Isaacson <ei...@monotonous.org>: >> >> > On Sat, Jan 1, 2011 at 1:56 PM, Helios <helio...@gmail.com> wrote: >> >> >> >> >> >> Hi, >> >> >> we are just testing a standard webcam to be used as a digital >> >> >> magnifier for visually impaired users. Such gadget could be very >> >> >> useful, as many low vision users need such device, but those >> >> >> commercially available are Windows only and mostly very expensive. >> >> >> We tested common Genius webcam with manual focus feature using >> >> >> Cheese, >> >> >> however, there are no features needed for this kind of users >> >> >> (supplied >> >> >> by my visually impaired sister): >> >> >> - inverse color mode >> >> > >> >> > >> >> > gst-launch-0.10 autovideosrc ! ffmpegcolorspace ! frei0r-filter-bw0r >> >> > ! >> >> > frei0r-filter-invert0r ! ffmpegcolorspace ! autovideosink >> >> >> >> >> >> - color profiles (eg. yellow text on blue background - simple runs >> >> >> in >> >> >> BW mode only and replaces black with yellow and white with blue) >> >> > >> >> > >> >> > gst-launch-0.10 autovideosrc ! ffmpegcolorspace ! >> >> > frei0r-filter-contrast0r >> >> > contrast=0.7 ! frei0r-filter-bw0r ! frei0r-filter-invert0r ! >> >> > frei0r-filter-levels white-output=0.06 black-output=0.27 channel=2 ! >> >> > ffmpegcolorspace ! autovideosink >> >> >> >> >> >> - guiding lines (can provide some screenshots) >> >> > >> >> > There should be an easy way of doing that. >> >> > >> >> >> >> >> >> - and some others >> >> >> >> >> > >> >> > The options are limitless! And it would be fun to create a simple UI >> >> > for >> >> > all >> >> > that. >> >> >> >> >> >> >> >> -- >> >> S pozdravem >> >> >> >> Helios >> > >> > >> >> >> >> -- >> S pozdravem >> >> Helios > > -- S pozdravem Helios _______________________________________________ gnome-accessibility-list mailing list gnome-accessibility-list@gnome.org http://mail.gnome.org/mailman/listinfo/gnome-accessibility-list