[PD] color position boundaries

R C microtono at hotmail.com
Thu Jan 23 19:36:42 CET 2014

Hi list,
I'm trying to track movement with an IR camera on Windows. The motion detection works great with frame diff. The problem starts when I try to get the coordinates that surround the white color produced by the movement. With pix_blob I only get the center of the image, but I was wondering If I can get the boundaries of the movement (white color), like if the movement was framed by a rectange, so I can have something like upper left, down right coordinates. I know that in the max/jitter world there's a jit.findbound object that scans the whole image to find the position of a (range of) color as xy values, but my idea is not to switch and continue with Pd. Would be great if someone wants to share some ideas :)
Thanks in advance and best regards,
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