[WM]: Embedding Issue

[madan mohan <madannill@yahoo.co.in>]

  hello watermarkers,
   
  I faced a problem in embedding bits. If i embed a Random vector with better colerration with the image, it led to lesser error
rate while detection. But since the random vector had better colerration with the image it increased distortion in the
image(particular near sharp changes). 
   
  Is there any possible way i can reduce the distortion without increasing error rate while detection?
   
  Is it necessary to have a random pattern with good colerration with the image? I found random pattern having better colerration
will sum up and increase intenisty(bright places) or decrease intenisty(near dark places) which is more visible in parts of the
image which has sharp changes.
   
   
  Thank you in advance,
  Regards
  Madan 
   


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