function FRGB=avermatrix(video,e)
[m,n,s]=size(video.frames(1).cdata);
q=zeros(m,n);
fR=q;
fG=q;
fB=q;
for t=1:e
       fR=double(video.frames(t).cdata(:,:,1))+fR;
       fG=double(video.frames(t).cdata(:,:,2))+fG;
       fB=double(video.frames(t).cdata(:,:,3))+fB;
end
fR=uint8(fR*1/e);
fG=uint8(fG*1/e);
fB=uint8(fB*1/e);
B=cat(3,fR,fG,fB);
FRGB=B;
end