Dear All,   
      
   Is it possible that an image is correctly sampled according to Nyquist (2 to 3   
   pixel per resolution element) but nevertheless show some pixelization effect   
   when sufficiently zoomed ?   
   I guess both issues (Digital sampling and pixellisation) are highly   
   related...and it's quite easy to conceive that correct Nyquist sampling is a   
   necessary condition for avoiding pixelization, but is it also a sufficient   
   condition ?   
      
    I would say no but can't explain why ;-(   
      
   Thanks,   
      
    Eric   
      
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