x=0:0.1:2*pi;[x,y]=meshgrid(x);z=sin(y).*cos(x); [I,J]=find(z>0.35); for ii=1:length(I) z(I(ii),J(ii))=NaN; end surf(x,y,…
SURF 源代码
探索SURF技术的精髓,掌握高效图像处理与特征提取的关键。SURF(加速稳健特征)算法以其出色的旋转、尺度不变性及抗噪能力,在计算机视觉、机器人导航、增强现实等领域展现出卓越性能。无论是进行目标识别还是场景重建,SURF都是不可或缺的技术工具。本页面汇集了11个精选资源,从基础理…
x=-1:0.05:1;y=x;[x,y]=meshgrid(x,y); z=x.^2+2*y.^2; colormap(copper); subplot(1,3,1);surf(x,y,z);title('shading faceted') subp…
[x,y]=meshgrid(-2:0.1:2,-1:0.1:1);z=sin(x).*(1-cos(y)) surf(z);colormap([1 0 1]); %绘制三维曲面并设置色图为洋红色 mesh(z);colormap…
r = linspace(1, 2, 11); t = linspace(0, 6*pi, 101); [rr, tt] = meshgrid(r, t); xx = rr.*cos(tt); yy = rr.*sin(tt); ff = tt; …
[x, y] = meshgrid(-2:0.2:2, -1:0.1:1); z = x.*exp(-x.^2-y.^2); [u, v, w] = surfnorm(x, y, z); quiver3(x, y, z, u, v, w); hold …
%---------------------------------------------------------------------------- % exa030903, for example 3.9.3 % to obtain the DT…
%---------------------------------------------------------------------------- % exa030903, for example 3.9.3 % to obtain the DT…
%---------------------------------------------------------------------------- % exa030903, for example 3.9.3 % to obtain the DT…
%---------------------------------------------------------------------------- % exa030903, for example 3.9.3 % to obtain the DT…
%---------------------------------------------------------------------------- % exa030903, for example 3.9.3 % to obtain the DT…