[PD] multiblob tracking in Gem while objects keep their IDs

[Roman Haefeli]

On Thu, 2013-06-06 at 18:18 +0200, Jack wrote:
> Le 05/06/2013 22:17, Max a écrit :
> > wow, this looks so wrong! (your screenshot)
> > I have no idea why this is.
> >
> > I just tried it under Linux mint 15 (through ssh- XY from os x)
> >
> > Pd 0.43.2
> > GEM: ver: 0.93.3 
> > GEM: compiled: Sep  6 2012
> >
> > and it works perfectly there.
> >
> > on my other machine, os x
> > 0.44.0-extended-20130213
> > GEM: ver: 0.93.3 
> > GEM: compiled: Nov 10 2011
> >
> > it also runs nicely.
> >
> > I'm afraid I don't know why it isn't running on your machine.
> > can anyone else try it?
> >
> > max
> >
> >
> > Am 04.06.2013 um 13:38 schrieb Antoine Villeret <antoine.villeret at gmail.com>:
> >
> >> hi,
> >>
> >> 2013/6/2 Max <abonnements at revolwear.com>
> >>
> >> Am 30.05.2013 um 14:06 schrieb Antoine Villeret <antoine.villeret at gmail.com>:
> >>
> >>> hi,
> >>>
> >>> I'm sorry it still doesn't work
> >>> and I can't find values that works well on the testbed.mov video...
> >>>
> >>> I don't know why, tell me if you want more info or snapshots
> >> Did you download all of the files, especially the abstractions you'll need for 07b-multi-blobtracker-IDs.pd?
> >> i've cloned the Bewegungsmelder repository 
> >> Were there any messages, errors, warnings in the console?
> >> nothing explaining that in the console, nothing in the terminal
> >>
> >> with quicktime4linux or gmerlin backend :
> >> [pix_film:audio_ffmpeg] Codec not found: FFmpeg Sonic decoder
> >> [pix_film]: loaded file: /home/antoine/pd/Bewegungsmelder/testbed.mov with 623 frames (480x320) at 25.000000 fps
> >>
> >>
> >>
> >> What OS and Pd/Gem version are you using?
> >> Ubuntu 12.04
> >> Pd 44.2
> >> Gem  0.93.git f890f4d
> >>
> >> here is attached a screenshot of what i get
> >>
> >> I was guessing a video decompression artefact but I got the same result with all the backends I have that can open testbed.mov (quicktime4linux and gmerlin)
> >> but I got the same result with both...
> >>
> >> I also converted the video to mjpeg and to h264 and got the same...
> >> very strange...
> >>
> >> +
> >> a
> >>
> >> m.
> >>
> >> <Capture du 2013-06-04 13:06:45.png>
> Hello Max,
> 
> I have the same results than Antoine.
> A screenshot is attached.
> Configuration :
> Ubuntu 13.04, Pd 0.44.3, Gem ver: 0.93.git 374f713.

Just an uneducated guess: Could it be that this is caused by objects
being positioned on the same Z-plane (or quite close to each other) so
that some overlapping occurs on some gfx cards, but not on some others?

Roman