%Demo?triangle_th.m?performing?gray?image?thresholding?
using?the?Triangle?Method.
%The?demo?reads?a?RGB?image?of?vegetation?against?soil?background.
%This?image?is?converted?to?a?gray?level?image

%%?Read?image?RGB?image?and?convert?to?gray?level
%Reads?RGB
Ib=imread（‘coins.png‘）;
%%
[lehisto?x]=imhist（Ib）;
[level]=triangle_th（lehisto256）;
I_bw=im2bw（Iblevel）;

%%
%Show?results
%Input?image
subplot（231）;?imshow（Ib）;?axis?off;??title（‘Input?image‘）;
%Binary?image
subplot（232）;?imshow（I_bw）;?axis?off;?title（‘Triangle?method‘）;
%graythresh?for?comparison
subplot（233）;?imshow（im2bw（Ibgraythresh（Ib）））;?axis?off;?title（‘graythresh?-?Image?Toolbox‘）;
%Histogram
subplot（23[4:6]）;?bar（xlehisto）;?xlim（[0?255]）;
line（[73?255][4264?0]‘Color‘‘r‘‘LineWidth‘2）;
l

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1170??2010-07-12?14:53??Demo_Triangle_th.m
?????文件????????2554??2010-06-29?12:52??triangle_th.m
?????文件????????1316??2014-02-12?13:13??license.txt