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Re: Kalman filtering with accelerometers

by nescivi :: Rate this Message:

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On Wednesday 07 May 2008 07:28:50 Eirik Blekesaune wrote:

> Hi,
> I'm currently working on an interactive danceperformance, using
> accelerometers. I'm now trying to implement some kind of position
> measurements with the signals from the accelerometers. During my
> googling I've found this article:
> http://www.gamasutra.com/view/feature/1494/wheres_the_wiimote_using_kalman_
>.php?page=1
>
> I wondered if someone has done anthing with processing accelerometer
> data using SuperCollider. Trying here to find differrent ways of
> extracting data from the sensor signals. Maybe even using Kalman
> filtering. I've been using  Nescivi's SenseWorld, which is really nice.

Thanks. Glad to hear that they are being used :)
I am interested in any suggestions, since I am still developing them further.

the SenseWorld classes come from working on an interactive dance piece called
Schwelle, which we have been performing a couple of times now.
We have written papers about it for last year's NIME and ICMC, so you may want
to check these out for some background information, and references to other
projects.

Getting actual position measurements with accelero's is tricky, as you lack
two integration constants, when you integrate from acceleration to speed to
position.
I'll take a closer look at the article you posted, it shouldn't be possible to
implement that in SC. Did you have a go at that already?


sincerely,
Marije
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