union.m

车道检测中弯道的检测

function p=Union(r1,r2,parent)
%合并根节点为r1,r2的两棵树
temp = parent(r1)+parent(r2);
if(parent(r1)>parent(r2))
    parent(r1) = r2;
    parent(r2) = temp;
else
    parent(r2) = r1;
    parent(r1) = temp;
end
p=parent