shwfnctn.m

ostu图像分割阈值算法,对Ostu图像分割最优阈值进行优化处理

x=-6:0.1:6;
y=x;
[X,Y]=meshgrid(x,y);
%for i=1:1:121
%    for j=1:1:121
%        Z(i,j)=TheFnctn([X(i),Y(j)]);
%    end
%end
Z=(X^2 + Y - 11)^2 + (X + Y^2 - 7);
figure;meshc(X,Y,Z);
figure;surfc(X,Y,Z);