clear?all
mov?=?mmreader（‘track.avi‘）;
x?=?read（mov2）;
fr_size?=?size（x）;????????????
width?=?fr_size（2）;
height?=?fr_size（1）;
c?=zeros（height?width）;
for?k=1:fr_size?
????x?=?read（movk）;
????y?=?read（movk+1）;
????m?=?rgb2gray（x）;
????n?=?rgb2gray（y）;
????q=im2double（n）;
????w=im2double（m）;
????for?i=1:height
????????for?j=1:width
?????????c（ij）=q（ij）-w（ij）;
????????t=40;?%%閾值，此值可以調節
????????t=t/256;%%轉化為double型數據
?????????????if（abs（c（ij））>=t）;%%find函數作用是找到圖c中的值大于t的點坐標
??????????????c（ij）=255;%%二值化的一
?????????????else
??????????????c（ij）=0;%%二值化的零
?????????????end
????????end
????end
????figure（1）subplot（311）imshow（x）??
????subplot（312）imshow（m）?
????subplot（313）imshow（c）?
end
??????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????946??2012-10-13?14:28??difference3.m
?????文件????????5830??2012-04-17?22:02??mix-hsv.m
?????文件????????5224??2008-12-11?22:37??mixture_of_gaussians.m
?????文件????????1795??2012-10-13?11:20??sanzhenchafen.m
?????文件????????2117??2012-10-13?11:05??zhenchafa.m
?????文件?????????785??2012-10-13?14:19??difference2.m