(accelerometer-based gestures)

Paul V. Borza paul at
Wed Oct 15 21:08:06 CEST 2008

Right now there are a couple of loose dependencies, so that will have
to be removed in the 0.2 which will have a different architecture.
But other than that, I don't plan to exclude the Debian distro from
this project.


On Wed, Oct 15, 2008 at 9:46 AM, Peter Neubauer <peter at> wrote:
> 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> 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
>>, and
>> The code has moved from into a GIT
>> repository located at
>> 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
>><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 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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Paul V. Borza

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