background retrieving from video

2013 9 12
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4 次查看（30 天）

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hi I want to retrieve background of a street from a video So i wrote this code
if true
close all;
clc;
obj= mmreader('12.avi');
Frames = obj.NumberOfFrames;
Height = obj.Height;
Width = obj.Width;
size(obj);
a=read(obj);
sum = double(zeros(Height,Width,3));
imframe = double(zeros(Height,Width,3));
for f=1:Frames
sum(:,:,:,:) = sum(:,:,:,:) + double(a(:,:,:,f));
end
imframe = (sum(:,:,:,:)/Frames);
imframe1 = uint8(imframe);
figure;
imshow(imframe1);
end
the result as shown in below not very good
I want to delete the cars that are in specified area how I can do that please help me if any one know. best regards

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