[jitter] Automatic multi-object tracking ?

i love eyesweb, it was joy working with. i haven't followed it after the
stable 3.3 release.

anyways, check the cv.jit package, its almost mandatory for CV in jitter,
you can find it using maxobjects.com or google.

have fun

On Wed, May 21, 2008 at 10:14 PM, olivier <olivier.caignart at gmail.com>
wrote:

>
> Dear Max/MSP/Jitter community  (first post here so I am polite :) )
>
> I'd like to share a few theorical problems I have on implementing a
> multi-object tracking with jitter. I'm quite new with Max/MSP but I have
> worked a lot with eyesweb. So please excuse me if I missed some really easy
> objects or patch I could use.
>
> So the idea is multi-object tracking, and not color tracking. So far, I
> found the jit.track that can follow many objects. The main issue here is to
> provide the coordinates of the moving objects. From what I saw, it is mainly
> manually done by clicking with the mouse but this solution doesn't satisfy
> me.
> In my patch, the objects could be extracted from the video with a simple
> frame difference and I would obtain a 1/0 matrix (or black and white image)
> with blobs of white pixels, 1 for each object. So my first question is here,
> what can I use to automatically find the coordinates (whatever it is, first
> pixel, or centroid) and area of several detected objects on screen?
>
> Second, I found few trackers on jitter besides a linear Kalman, are there
> some other librairies available with different trackers ? In my patch, it is
> really important that different objects don't mix with each other if their
> detected blobs collapse for a few frames on screen...
>
> Thanks for reading (and maybe thinking ;)) about my questions !
> I believe people who will read this post are interested in tracking
> objects. I'd love to see your works so don't hesitate to make some
> advertisment.
>
> Bonne soirée (good evening in french)
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>
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