clc;clear?all
mov=mmreader（‘Noname.avi‘）;
nframe=get（mov‘NumberOfframes‘）;
I=read（mov1）;%讀取第一幀
??%批量讀圖并處理
??
for?k?=?1:3:nframe-180
Im{k}?=read（movk）;

Imgray{k}=rgb2gray（Im{k}）;
gray{k}=Imgray{k};
[Imgray{k}t]=edge（Imgray{k}‘canny‘）;%canny邊緣檢測
???i?=?k?;
??if?（i==1）;
???sub{1}=Imgray{1i};%把元素從cell中提取出來
???n=i;
???else
????sub{i}=Imgray{1i}-Imgray{1n};%幀差法提取輪廓
????n=i;
????H?=?fspecial（‘unsharp‘）;
????sub{i}=imfilter（sub{i}H‘replicate‘）;
???sub{i}=bwperim（sub{i}4）;
???%figure?imshow（sub{i}?）
???se90=strel（‘line‘390）;%增強
???se0=strel（‘line‘30）;
???sub{i}=imdilate（sub{i}[se90?se0]）;
???%figure?imshow（sub{i}?）
???sub{i}=imfill（sub{i}‘holes‘）;%填充
???seD=strel（‘rectangle‘[33]）;
????sub{i}=imerode（sub{i}seD）;
????sub{i}=imopen（sub{i}seD）;
????sub{i}=imclose（sub{i}seD）;
????%?figure?imshow（sub{i}?）
?????
?????
?????[Lnum]?=?bwlabel（sub{i}8）?;%L==sub{i}是與圖像相同大小的矩陣，num是圖像中連通區域的個數；
?????stats?=?regionprops（L‘boundingbox‘‘filledArea‘‘centroid‘）;
?????taggedCars（?::?）=gray{k};
?????if?any（?L（:）?）
??????for?i=1:length（stats）
???????????if?（（stats（i）.FilledArea?>?350?&&stats（i）.FilledArea<6000））;
??????????????centroid=stats（i）.Centroid;
???????????????box?=stats（i）.BoundingBox;
???????????????area=stats（i）.FilledArea;
???????????????left=round（box（1））;
????????????????top=round（box（2））;
????????????????right=round（box（1）+box（3）-1）;
????????????????bottom=round（box（2）+box（4）-1）;
????????????????if（?abs（top?-?bottom）/abs（right?-?left）?>?3?||?abs（right?-?left）/abs（top?-?bottom）?>?3?）
???????????????????continue;
????????????????end?
????????????????taggedCars（topleft:right）=255;????????????????????????????????????%畫矩形框%
????????????????taggedCars（bottomleft:right）=255;
????????????????taggedCars（top:bottomleft）=255;
????????????????taggedCars（top:bottomright）=255;
???????????end
????????end
?????end
??????%figureimshow（taggedCars）;
???
????
??end
end
frameRate=get（mov‘frameRate‘）;
implay（taggedCarsframeRate）;

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

?????文件???????2030??2011-04-30?01:45??cheliangjiance\growcut.m

?????文件????1977716??2011-04-28?09:30??cheliangjiance\Noname.avi

?????目錄??????????0??2011-04-30?14:27??cheliangjiance

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

??????????????1979746????????????????????3