[PD] Gem image analysis
IOhannes m zmoelnig
zmoelnig at iem.at
Mon May 30 17:09:05 CEST 2005
Max Neupert wrote:
> hi list,
>
> how do i turn a camera in a motion sensor?
> i can extract the movement with pix_movement, that's clear. but how to
> get a numeric value out of the whole picture corresponding to the
> pictures grayscale value?
> (not from a single pixel like pix_data supplies)
>
>
> am i completely overseeing something?
yes:
[pix_blob] does blob-detection (only 1 single blob though)
there should be an example-patch on how to do movement-detection with
this: 04.video/03.movement_detection.pd
if using the CVS is an option for you, there is [pix_multiblob] which is
far better (detects multiple blobs, gives more information on them)
there is even an abstraction (with example-patch) for blob-tracking.
mfg.ad.sr
IOhannes
>
> max
>
>
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