pix_diff gives the absolute value of the right image subtracted from the left.
On Mon, Jul 14, 2008 at 4:08 PM, Spencer Russell < [EMAIL PROTECTED]> wrote: > I'm trying to implement a background subtractor using pix_buffer to > store the reference frame, and then subtracting it from the live video > input, then using that subtraction as an alpha mask for the live > video. The problem is that pix_subtract clamps the output at 0, but I > need it to not clamp, and then I can take the absolute value. Is there > a way to do unclamped subtraction of pix objects in GEM? > > thanks, > spencer > > _______________________________________________ > Pd-list@iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list >
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