dscut.m

这是一个新的用于图像处理的工具箱

function p = dscut(p1,y1,p2,y2)
%function p = dscut(p1,y1,p2,y2)
%return the point p at which y=0, assuming y varies linearly 
%from y1 at p1 to y2 at p2.
k1 = y2./(y2-y1); k2 = 1-k1;
n = size(p1,1);
p = k1(ones(n,1),:).*p1 + k2(ones(n,1),:).*p2;