----- Original Message -----
> From: James Harkins <[email protected]>
> To: puredyne <[email protected]>
> Cc: 
> Sent: Saturday, September 10, 2011 10:58 PM
> Subject: [puredyne] Motion detection packages
> 
> I'm starting to look into some motion detection techniques. I got some 
> distance with pure data + gridflow (the [#motion_detection] object behaves 
> quite 
> nicely -- it takes the difference between frames but includes some other 
> tweaks 
> for a cleaner signal).
> 
> But what I really wanted to do was divide the image into nine blocks, run 
> motion 
> detection independently on each one, and have information about where in the 
> frame the motion is happening and also movement from region to region. That 
> became a problem, largely because gridflow's documentation has to rank among 
> the worst I've ever seen. (Such as: "Inlet 2: crosshairs." Oh, 
> very nice. Yes, out of the thousands of possible things that could mean, 
> we're to psychically divine the one that is actually correct.)

Unfortunately, that's fairly verbose documentation for a pure data external.  
(But it looks to 
me like it's Inlet 4-- which version of Gridflow are you using?)

You might try posting this on the pd-list at [email protected] .  The GF author 
reads/posts 
there and can probably flesh out the documentation directly.

> 
> So I'm looking for recommendations on other open-source approaches. 
> OpenCV+processing maybe, but for some reason willowgarage.com is blocked on 
> the 
> mainland (so I have to rely on a proxy that isn't always stable). That means 
> learning another computer language on short order, not sure I have time.
> 
> Can anybody think of something that would be closer to what I have in mind 
> out 
> of the box? Just to save me some development time reinventing the wheel.
> 
> Thanks,
> James
> 
> 
> --
> James Harkins /// dewdrop world
> [email protected]
> http://www.dewdrop-world.net
> 
> "Come said the Muse,
> Sing me a song no poet has yet chanted,
> Sing me the universal."  -- Whitman
> 
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