[PD] Simple motion analysis

[Max]

maybe a peek in those files can be helpful as well
http://www.uni-weimar.de/medien/wiki/Bewegungsmelder
i'll update them soon.

Am 17.10.2011 um 19:30 schrieb Hans-Christoph Steiner:

> 
> Sorry, you said simple, so that's a simple start :)  For making the distinction between people walking and standing in place, a simple thing would be to bump up the threshold of what counts as movement.  Another would be to do multi-blob detection and look for x,y movement in a direction, or that exceeds a certain threshold.  Check the 'mapping' library (included in Pd-extended) for an array of techniques of working with the data that will most likely be helpful here.
> 
> .hc
> 
> On Oct 17, 2011, at 1:29 PM, Jean-Marie Adrien wrote:
> 
>> Thanks
>> I knew the examples obviously !
>> Ill try with these objects though.
>> Making the distinction between on-place-motion and across-frame motion thus ... in a simple way.
>> JM
>> 
>> 
>> 
>> Le 17 oct. 11 à 18:26, Hans-Christoph Steiner a écrit :
>> 
>>> 
>>> Check the Gem examples, in Pd-extended go to:
>>> 
>>> Help menu -> Browser -> Gem -> examples 04.video
>>> 
>>> See:
>>> 
>>> 06 frame diff
>>> 07 bg subtract
>>> 03 movement
>>> 
>>> .hc
>>> 
>>> On Oct 17, 2011, at 11:33 AM, Jean-Marie Adrien wrote:
>>> 
>>>> Hi list
>>>> 
>>>> Video frame analysis : I would like to be able to make a difference between
>>>> 
>>>> - motions of poeple passing by (displacements)
>>>> - motions of poeple standing by somewhere (and slightly moving on place, presence)
>>>> 
>>>> in a simple way ...
>>>> anyone got an idea of with what pix_objects to start ?
>>>> 
>>>> thanks
>>>> jean-marie
>>>> 
>>>> 
>>>> 
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>> 
> 
> 
> 
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