[PD] diff frame from previous frame with Gem

[Max]

pix_delay actually works exactly that way. its not milliseconds, it's frames.
have a look at the helppatch fo pix_delay

m.

Am 10.03.2010 um 17:36 schrieb Hans-Christoph Steiner:

> 
> Your patch is pretty simple, but it seems to be that the logic of this operation should be based off of the frame clock rather than a delay.  That way, the patch would work no matter the frame rate, for example.
> 
> .hc
> 
> On Mar 10, 2010, at 11:30 AM, Max wrote:
> 
>> hi hans,
>> 
>> why so complicated? just use [pix_delay 2] and [pix_separator] to feed the [pix_diff].
>> 
>> <05a-difference.pd>
>> 
>> taken from
>> http://web.uni-weimar.de/medien/wiki/Bewegungsmelder
>> 
>> Am 03.03.2010 um 23:39 schrieb Hans-Christoph Steiner:
>> 
>>> 
>>> I am trying to make a simple patch where the current video frame is [pix_diff]'ed against the previous video frame.  I can get it going manually, but I would like it to happen every frame.  I think I got close, but did manage to create a bizarre effect:
>>> <framechangetracking.pd>
>>> 
>>> 
>>> .hc
>>> 
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>>> 
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>>> 
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>> 
> 
> 
> 
> ----------------------------------------------------------------------------
> 
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> 
> 

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