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Matlab - showBitPlanes

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  1. % Ritorna i Bit Plabes dell'immagine a toni di grigio
  2.  
  3. function showBitPlanes(img)
  4.  
  5.     imgGray = double( rgb2gray(img) );
  6.     titleString = 'bit planes ';
  7.  
  8.     % MSB ... LSB
  9.     k = 128;
  10.  
  11.     for b=1:8
  12.  
  13.         subplot(2, 4, b);
  14.         imshow( (bitand(imgGray, k) / k) * 255 ); % Fa un and dei bit
  15.         title([titleString int2str(b-1)]);
  16.         k = k/2; % Shifta di 2 i bit
  17.  
  18.     end;
  19.  
  20. return;

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