[PD] Body tracking

cyrille henry ch at chnry.net
Sun Jan 9 01:25:07 CET 2011

Le 08/01/2011 20:21, marcello a écrit :
> On 08/01/11 14:25, cyrille henry wrote:
>> hello,
>> for the kung fu : movement are usually very fast. a camera is usually to
>> slow to be useful.
>> i personally prefer using sensor like accelerometter on the body.
>> you can use wiimote or some other (faster) sensors system.
>> here is a video of a performance i worked for few years ago.
>> http://vimeo.com/4596629
>> sensors are used at time : 4'57 to 6'06 and from 6'43 to 7'23.
>> at 6'43, you can see that this kind of sensors are lot's more accurate
>> that what you'll be able to do with a camera.
> That's a good point about the sensors, I didn't know this camera-latency
> problem.
it's not really latency, since you can have few latency with some camera, it's more about frequency.

> WHat kind of sensor have you used in your work ?
mostly accelerometter. and some flex sensor.
> Have you used wireless sensors ?
yes. it'swifi sensors.

>> imo, camera are good to track body position.
>> kinect look to have a sensing zone that is a bit limited.
> A combination of the two could be an idea, but then it's complicated to
> merge the data...
the 2 send very diferent kind of data. you don't have to merge them.


> Thanks for the infos
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