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
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