Re: [Algorithms] Low pass filter on quaternions

[John M. <jo...@jo...>]

Hi,

Wiimote libraries won't help me. I'm really interested in filtering
quaternions directly.

Thanks,
John

On Sun, Mar 28, 2010 at 9:05 AM, Jon Watte <jw...@gm...> wrote:
> 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...>
>>
>>
>> ------------------------------------------------------------------------------
>> Download Intel&#174; Parallel Studio Eval
>> Try the new software tools for yourself. Speed compiling, find bugs
>> proactively, and fine-tune applications for parallel performance.
>> See why Intel Parallel Studio got high marks during beta.
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>
>
> ------------------------------------------------------------------------------
> Download Intel&#174; Parallel Studio Eval
> Try the new software tools for yourself. Speed compiling, find bugs
> proactively, and fine-tune applications for parallel performance.
> See why Intel Parallel Studio got high marks during beta.
> http://p.sf.net/sfu/intel-sw-dev
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-- 
John McCutchan <jo...@jo...>