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GOP2.m
资源名称：MPEG-2(MATLAB).rar　[点击查看]
上传用户：cxsjwj
上传日期：2022-08-09
资源大小：34k
文件大小：2k
源码类别：

matlab例程

开发平台：

Matlab

GOP2.m：源码内容
  1.  function [B2,B3,P4,B5,B6,P7,B8,B9,I10]=GOP2(i,resize,long,wide)
  2.         %reading P4 frame
  3.         framedata=aviread('news.avi',i+3);
  4.         P4=frame2im(framedata);
  5.         if resize==1
  6.            P4=imresize(P4,[long,wide]);
  7.         end
  8.         
  9.         P4=P4(:,:,2);
  10.         P4=double(P4);
  12.    
  13.         
  14.         %reading B2 frame
  15.         framedata=aviread('news.avi',i+1);
  16.         B2=frame2im(framedata);
  17.         if resize==1
  18.    B2=imresize(B2,[long,wide]);
  19.         end
  20.         
  21.         B2=B2(:,:,2);
  22.         B2=double(B2);
  23.         %reading B3 frame
  24.         framedata=aviread('news.avi',i+2);
  25.         B3=frame2im(framedata);
  26.         if resize==1
  27.    B3=imresize(B3,[long,wide]);
  28.     end
  29.         
  30.         B3=B3(:,:,2);
  31.         B3=double(B3);
  32.         %reading B5 frame
  33.         framedata=aviread('news.avi',i+4);
  34.         B5=frame2im(framedata);
  35.       if resize==1
  36.    B5=imresize(B5,[long,wide]);
  37.     end
  38.         
  39.         B5=B5(:,:,2);
  40.         B5=double(B5);
  41.         %reading B6 frame
  42.         framedata=aviread('news.avi',i+5);
  43.         B6=frame2im(framedata);
  44.        if resize==1
  45.    B6=imresize(B6,[long,wide]);
  46.     end
  47.        
  48.         B6=B6(:,:,2);
  49.         B6=double(B6);
  50.         %reading B8 frame
  51.         framedata=aviread('news.avi',i+7);
  52.         B8=frame2im(framedata);
  53.        if resize==1
  54.    B8=imresize(B8,[long,wide]);
  55.     end
  56.        
  57.         B8=B8(:,:,2);
  58.         B8=double(B8);
  59.         %reading B9 frame
  60.         framedata=aviread('news.avi',i+8);
  61.         B9=frame2im(framedata);
  62.         if resize==1
  63.    B9=imresize(B9,[long,wide]);
  64.     end
  65.        
  66.         B9=B9(:,:,2);
  67.         B9=double(B9);
  68.         %reading I10 frame
  69.         framedata=aviread('news.avi',i+9);
  70.         I10=frame2im(framedata);
  71.        if resize==1
  72.   I10=imresize(I10,[long,wide]);
  73.     end
  74.        
  75.         I10=I10(:,:,2);
  76.         I10=double(I10);
  78.         %reading P7 frame
  79.         framedata=aviread('news.avi',i+6);
  80.         P7=frame2im(framedata);
  81.         if resize==1
  82.    P7=imresize(P7,[long,wide]);
  83.     end
  84.        
  85.         P7=P7(:,:,2);
  86.         P7=double(P7);