clearclc;
%?[filenamepathname]?=?uigetfile（‘*.avi‘‘choose?the?video?name:‘）;%選擇視頻
%video?=?mmReader（‘moving_car.avi‘）;
video?=mmReader（‘a.avi‘）;
height?=?video.Height;
width?=?video.Width;

%參數
Numframes?=?video.NumberOfframes;
cardinality?=?2;%基數
r?=?15;%給定半徑
n?=?20;
%
%初始化
bg?=?zeros（heightwidthn）;
for??nn?=?1?:?n
????imrgb?=?read（videonn）;
????imgray?=?rgb2gray（imrgb）;
????bg（::nn）?=?imgray;
end
bgpad?=?padarray（bg[1?1]‘replicate‘）;

%隨機跟新

for?f?=?n+1?:?Numframes
????imageRGB?=?read（videof）;
????image?=?rgb2gray（imageRGB）;
????for?i?=?1:height
????????for?j?=?1:width
????????????div?=?abs（bg（ij:）?-?double（image（ij）））;
????????????logic?=?div?????????????bignum?=??sum（logic）;
????????????if?bignum?>?cardinality
%?????????????????隨機選擇初始

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???16461312??2007-06-14?01:27??moving_car.avi

?????文件???????1580??2016-01-13?08:27??vibe.asv

?????文件???????1561??2016-03-02?14:24??vibe.m

-----------?---------??----------?-----??----

?????????????16464453????????????????????3