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#X obj 586 570 pix_opencv_bgsubstract;
#X msg 694 536 set;
#X text 730 536 set the background;
#X text 794 568 threshold (default 13);
#X text 22 244 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 23 152 pix_opencv_bgsubstract :: A simple background substract
and binarization object.;
#X text 22 197 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 22 305 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 msg 118 81 reset;
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#X restore 289 80 pd Gem.init;
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#X msg 923 136 colorspace RGB;
#X msg 1027 136 colorspace Grey;
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