Accelsense.org (accelerometer-based gestures)

Peter Neubauer peter at neubauer.se
Wed Oct 15 08:46:17 CEST 2008


Hi Paul,
great effort and a good example of community driven invention!

Will the project be available to the debian distro too or in other
words, are there hard dependencies on the 2008.x distros?

Cheers

/peter

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On Tue, Oct 14, 2008 at 9:06 PM, Paul V. Borza <paul at accelsense.org> wrote:
> Hi everyone,
>
> A couple of people asked me whether I will or won't continue my
> project on accelerometer-based gestures.
> My answer was always yes, and to make that clear, I've bought
> accelsense.com, and accelsense.org.
> The code has moved from http://code.google.com/p/accelges/ into a GIT
> repository located at http://repo.accelsense.org.
>
> I'm now in the first year of masters, and I've managed to get two of
> my courses into the accelerometer-based gestures (i.e. to implement
> this as homework).
> From now on, my professors require me to use SOMs (i.e.
> self-organizing maps, a type of neural networks), instead of hidden
> Markov models.
>
> A couple of you guys asked whether the efficiency and speed can be
> improved using HMMs. Again, the answer is yes, just that I don't have
> time to work on the HMM implementation anymore.
>
> Just wanted to let you know that from now on, I'll focus exclusively
> on working with the Neo, rather than the Wii to test the gestures; and
> make them smooth and natural.
> Nokia is using SOMs for gesture recognition in mobile phones, so we
> should be on the technology wave as I can tell (still, I'm just one
> guy).
>
> What I'll focus on in the 0.2 release:
> * use some code from the rotate application that is flying around.
> * keep the current Dbus system for interaction.
> * 10% of CPU (it's now using 20%), and yes it's doable.
> * no GUI, but change the text console UI to be something like 'top',
> and not just printf hundreds of xyz data.
> * reintegrate with matlab-compatible diagrams.
> * will still be in C99 and under LGPL.
> * math formulas that are used in code will have a link to
> http://wiki.accelsense.org/wiki/<page> and the formula will be written
> in LaTex.
> * some of you gave me advices on how to improve the organization of
> the project, will also do that.
> * some dependencies aren't checked, there are too many you say, will be removed.
> * integration with the freesmartphone.org Dbus FSO communication
> system (I've seen that it grew since I last checked it).
> * implementation of self-organizing maps.
>
> Bottom line: I'll be trying turn it in a mature project ;)
>
> You can do interesting things with SOMs, like Nokia was doing:
> detecting when the user climbs down, up or walks, just using an
> accelerometer.
>
> Thanks,
> Paul
>
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