基于matlab最小外接矩形(MER)的方法来计算叶片的长宽

jiags2676

跪求啊！怎么修正？谢谢大家啦！

bim=imread('123.jpg');
bim=im2bw(bim,graythresh(bim));
bim=~bim;
imshow(bim);
[r c]=find(bim==1);
[rectx,recty,area,perimeter] = minboundrect(c,r,'p');
imshow(bim);hold on
line(rectx,recty);
rectx
recty
Error using convhull
CONVHULL no longer supports or requires Qhull-specific options.
Please remove these options when calling CONVHULL.


Error in minboundrect (line 102)
  edges = convhull(x,y,{'Qt'});  % 'Pp' will silence the warnings