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

%參數(shù)
Numframes?=?video.NumberOfframes;
cardinality?=?2;%基數(shù)
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(jī)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(jī)選擇初始化背景中的一個點(diǎn)用新點(diǎn)進(jìn)行替換
%??????????

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

?????文件???????1533??2014-02-23?11:36??vibe.m

?????文件?????208896??2007-08-20?12:34??traffic.avi

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

???????????????210429????????????????????2