function?[]=ICV_Q5_c（）
clc;?clear?all;close?all
trafficObj=mmreader（‘DatasetC.mpg‘）;
frame_num=get（trafficObj‘NumberOfframes‘）;%get?the?number?of?the?frame?for?this?video
Background=AveragingAlgorithm（trafficObjframe_num）;%?frame?number?
imshow（Background）;
title（‘Background‘）;
imwrite（（Background）‘Background.jpg‘）;
end

function?[Background]=AveragingAlgorithm（trafficObjframe_num）
I=read（trafficObj1）;
[mns]=size（I）;
p=zeros（mn）;
fR=p;
fG=p;
fB=p;
for?t=1:frame_num
????I=read（trafficObjt）;
????fR=double（I（::1））+fR;
????fG=double（I（::2））+fG;
????fB=double（I（::3））+fB;
end
fR=uint8（fR*1/frame_num）;
fG=uint8（fG*1/frame_num）;
fB=uint8（fB*1/frame_num）;

Background=cat（3fRfGfB）;
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????730??2012-11-26?08:30??ICV_Q5_c.m
?????文件??????282624??2012-01-17?17:28??DatasetC.mpg