this is rewrite of the github patch #674 by chouclee; the goal is to improve polyfit accuracy
this is rewrite of the github patch #674 by chouclee; the goal is to improve polyfit accuracy

apavlenko/opencv,apavlenko/opencv,opencv/opencv,apavlenko/opencv,opencv/opencv,opencv/opencv,opencv/opencv,apavlenko/opencv,apavlenko/opencv,apavlenko/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv