how to find mesh of an image?

5 次查看（过去 30 天）

ramya 2018-4-16

评论： Walter Roberson 2018-4-16

i have an image .suggest some code how to start with it.new to generating mesh

Walter Roberson 2018-4-16

What does a "mesh" mean to you in this context? It would help if you could post a link to an example of what you would like the output to look like.

Walter Roberson 2018-4-16

Are you looking for a contour plot?

KSSV 2018-4-16

I =imread('pic.bmp') ;
[y,x] = find(I==0) ;
[m,n] = size(I) ;

[X,Y] = meshgrid(1:n,1:m) ;

idx = knnsearch([X(:) Y(:)],[x y]) ;

Z = ones(m,n) ;
Z(idx) = 0 ;

pcolor(X,Y,Z) ;
shading interp

MATLAB Graphics 2-D and 3-D Plots Surfaces, Volumes, and Polygons Surface and Mesh Plots

在 Help Center 和 File Exchange 中查找有关 Surface and Mesh Plots 的更多信息

Find the treasures in MATLAB Central and discover how the community can help you!

Translated by