%%%%%%%%%%%%%Initialization%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%Use?these?next?sections?of?code?to?initialize?the?required?variables?and?System?objects.

DrawPoly?=?0;??%?Set?to?0?to?draw?only?lines??只標記車道線或是另外加入車道藍色區域
NumRows?=?120;?%?Number?of?rows?in?the?image?region?to?process.底部所取像素條數
MaxLaneNum?=?20;?%?Maximum?number?of?lanes?to?store?in?the?tracking?repository.
ExpLaneNum?=?2;??%?Maximum?number?of?lanes?to?find?in?the?current?frame.單幀內最多找車道條數
Rep_ref???=?zeros（ExpLaneNum?MaxLaneNum）;?%?Stored?lines
Count_ref?=?zeros（1?MaxLaneNum）;????????%?Count?of?each?stored?line
TrackThreshold?=?75;?%?Maximum?allowable?change?of?lane?distance
?????????????????????%?metric?between?two?frames.閾值
LaneColors?=?single（[0?0?0;1?1?0;?1?1?0;?1?1?1;1?1?1]）;
%?Minimum?number?of?