admedian	admedian
eigenbgs	eigenbgs
framediff	framediff
guassianbgs	guassianbgs
inst_xug	inst_xug
meanbgs	meanbgs
readvideo	readvideo
readvideoframe	readvideoframe
staticdiff	staticdiff
totalframe	totalframe
varbgs	varbgs
wtmean	wtmean
wtvar	wtvar
