matlab例程

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Matlab

GOP1.m：源码内容

							 function [B2,B3,P4,B5,B6,P7,B8,B9,I10]=GOP1(i,resize,long,wide)
        %reading P4 frame
        framedata=aviread('news.avi',i+3);
        P4=frame2im(framedata);
        if resize==1
           P4=imresize(P4,[long,wide]);
        end
        
        P4=P4(:,:,1);
        P4=double(P4);
   
        
        %reading B2 frame
        framedata=aviread('news.avi',i+1);
        B2=frame2im(framedata);
        if resize==1
   B2=imresize(B2,[long,wide]);
        end
        
        B2=B2(:,:,1);
        B2=double(B2);
        %reading B3 frame
        framedata=aviread('news.avi',i+2);
        B3=frame2im(framedata);
        if resize==1
   B3=imresize(B3,[long,wide]);
    end
        
        B3=B3(:,:,1);
        B3=double(B3);
        %reading B5 frame
        framedata=aviread('news.avi',i+4);
        B5=frame2im(framedata);
      if resize==1
   B5=imresize(B5,[long,wide]);
    end
        
        B5=B5(:,:,1);
        B5=double(B5);
        %reading B6 frame
        framedata=aviread('news.avi',i+5);
        B6=frame2im(framedata);
       if resize==1
   B6=imresize(B6,[long,wide]);
    end
       
        B6=B6(:,:,1);
        B6=double(B6);
        %reading B8 frame
        framedata=aviread('news.avi',i+7);
        B8=frame2im(framedata);
       if resize==1
   B8=imresize(B8,[long,wide]);
    end
       
        B8=B8(:,:,1);
        B8=double(B8);
        %reading B9 frame
        framedata=aviread('news.avi',i+8);
        B9=frame2im(framedata);
        if resize==1
   B9=imresize(B9,[long,wide]);
    end
       
        B9=B9(:,:,1);
        B9=double(B9);
        %reading I10 frame
        framedata=aviread('news.avi',i+9);
        I10=frame2im(framedata);
       if resize==1
  I10=imresize(I10,[long,wide]);
    end
        
        I10=I10(:,:,1);
        I10=double(I10);
        %reading P7 frame
        framedata=aviread('news.avi',i+6);
        P7=frame2im(framedata);
        if resize==1
   P7=imresize(P7,[long,wide]);
    end
        
        P7=P7(:,:,1);
        P7=double(P7);

						