/* Copyright (c) 1990 Massachusetts Institute of Technology, Cambridge, MA. All rights reserved. This Agreement gives you, the LI…
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…
/* Copyright (c) 1990 Massachusetts Institute of Technology, Cambridge, MA. All rights reserved. This Agreement gives you, the LI…
subplot(121) surf(peaks); title('旋转前图形'); subplot(122) h=surf(peaks); rotate(h,[1 0 1],180) title('旋转后图形');
Z = peaks; surf(Z) %绘制网格表面图 axis tight set(gca,'nextplot','replacechildren'); …
[X,Y] = meshgrid(-2:0.25:2,-1:0.2:1); Z = X.* exp(-X.^2 - Y.^2); [U,V,W] = surfnorm(X,Y,Z); %返回三维表面图的法线 quiver3(X,Y,Z,U,V,W,0.…
t = 0:pi/10:2*pi; [X,Y,Z] = cylinder(2+cos(t),100); %半径为2+cos(t) surf(X,Y,Z) axis square title '圆柱形图示…
h = surf(peaks); colormap hot figure;axes; %创建一个新的窗口对象(Figure),并创建一个新的轴对象到窗口对象中 new_handle = copyobj(h,gca); %进行一个拷贝 colorma…
subplot(211) surf(peaks); title('无创建的光源'); %无光源或者可以讲每个点上的光亮一样 subplot(212) h = surf(peaks); set(h,'FaceLighting','phong','Fa…
PSF = fspecial('gaussian',13,1); OTF = psf2otf(PSF,[31 31]); % PSF转换成OTF subplot(1,2,1); surf(PSF); title('PSF'); axis squa…
[x,y] = meshgrid(-3:0.1:3,-2:0.1:2); z=(x.^2-2*x).*exp(-x.^2-y.^2-x.*y); ii=(x