Re: [Algorithms] Low pass filter on quaternions

[Jon W. <jw...@gm...>]

There are open source Wiimote input libraries you could probably take a look
at. AFAICT, those generally use very simple, first-order filter type
approaches.

Sincerely,

jw


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On Sun, Mar 28, 2010 at 8:32 AM, John McCutchan <jo...@jo...>wrote:

> Hi,
>
> Each quaternion represents the orientation of an input device. I want
> to remove jitter that comes from holding it in a human hand.
>
> John
>
> On Sun, Mar 28, 2010 at 12:56 AM, Marc B. Reynolds
> <mar...@or...> wrote:
> > Also, what do they represent?
> >
> > -----Original Message-----
> > From: Robin Green [mailto:rob...@gm...]
> > Sent: Sunday, March 28, 2010 8:36 AM
> > To: Game Development Algorithms
> > Subject: Re: [Algorithms] Low pass filter on quaternions
> >
> >
> > Do you want to lowpass the signal, or do you want to fit a smooth
> > curve to the samples?
> > Are the samples regularly spaced?
> >
> > - Robin Green
> >
> >
> >
> > On Sat, Mar 27, 2010 at 7:14 PM, John McCutchan <jo...@jo...>
> > wrote:
> >> Hi,
> >>
> >> I have a sequence of quaternions and want to filter out any high
> >> frequency changes. I'm wondering if anyone has a paper or some code
> >> for performing a low pass filter on quaternions?
> >>
> >> Thanks,
> >> --
> >> John McCutchan <jo...@jo...>
> >>
> >>
> >
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> --
> John McCutchan <jo...@jo...>
>
>
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