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#X text 26 -25 Arguments:;
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#X text 22 -162 Class: pix_opencv;
#X text 47 -5 none;
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#X obj 615 228 pix_opencv_bgsubstract;
#X msg 627 172 set;
#X text 663 172 set the background;
#X text 741 195 threshold (default 13);
#X text 22 84 This object takes an image as a background reference
and the compare each incomming frame with that. On the output you get
a bw image \, black pixels are considered as background and white poixels
as foreground.;
#X text 27 -107 pix_opencv_bgsubstract :: A simple background substract
and binarization object.;
#X text 22 37 It is useful if you want to detect objects that are in
front of an static background and you want to isolate the foreground
silhouete of the foreground objects.;
#X text 22 145 pix_opencv_bgsubstract works comparing color values
of each pixel \, so it can fail if the foreground object has the same
color that the background \, and also if the light conditions or the
shadows changes since you SET the background image.;
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#X text 749 265 Create window and render;
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#X msg 772 -32 colorspace Grey;
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#X text 24 219 written by Yves Degoyon ( ydegoyon@gmail.com );
#X text 23 -178 Synopsis: [pix_opencv_bgsubstract];
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