%?This?m-file?implements?the?mixture?of?Gaussians?algorithm?for?background
%?subtraction.??It?may?be?used?free?of?charge?for?any?purpose?（commercial
%?or?otherwise）?as?long?as?the?author?（Seth?Benton）?is?acknowledged.


clear?all

%?source?=?aviread（‘C:\Video\Source\traffic\san_fran_traffic_30sec_QVGA‘）;
obj?=?VideoReader（‘畢設8.avi‘）;

%?-----------------------??frame?size?variables?-----------------------

fr?=?read（obj1）;???????????%?read?in?1st?frame?as?background?frame把第一幀作為背景幀
fr_bw?=?rgb2gray（fr）;?????%?convert?background?to?greyscale把背景轉為灰度圖
fr_size?=?size（fr）;??????????%背景幀的大小???
width?=?obj.Width;???????????%背景幀的寬度
height?=?obj.Height;??????????%背景幀的高度
fg?=?zeros（height?width）;?????%定義一個與背景幀灰度圖像同等大小的矩陣，用于計算前景，儲存前景像素
bg_bw?=?zeros（height?width）;???%定義一個與背景幀灰度圖像

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

?????文件???????7738??2016-04-14?12:16??sy5.m

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

?????????????????7738????????????????????1