CSF人眼对比度敏感函数三维曲面
D0 = 30; % 阻止的频率点与频域中心的距离n = 2;% 阶次
x = 0:.5:70;
y = 0:.5:70;
= meshgrid(x,y);
D1 = 2;
a = 0.5;
for i=1:size(X,1)
for j=1:size(X,2)
D = sqrt( (X(i,j)-35).^2 + (Y(i,j) -35).^2);
Z(i,j)=exp(-D.^2/2/D0/D0) - a*exp(-D.^2/2/D1/D1);
end
end
figure('color',)
mesh(X,Y,Z)两个高斯低通滤波器的减法运算
[*]**** Hidden Message *****
每日打卡matlab学习，冲冲冲
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