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Articles by Swetha Varadarajan
Total Records ( 1 ) for Swetha Varadarajan
  Sundararaman Rajagopalan , Har Narayan Upadhyay , Swetha Varadarajan , J.B.B. Rayappan and Rengarajan Amirtharajan
  The growing demand to protect the confidential messages and documents paved way for the invent of information security techniques. Whatever, be the strength of security algorithms and standards, an equal amount or greater than that attempt is made to crack the information which employs an algorithm to make it invisible to anonymous. New techniques and algorithms will help a lot for strengthening the security of our information systems. Steganography is basically a science turned art to hide the payload with the help of a carrier. We propose a spatial domain image steganography technique which uses two aspects for information hiding-one being the pixel nibble difference and the other in the form of block rotation decided by a variable P’. This technique adds a technique to the group of information hiding techniques where block rotation can be decided by various parameters concerned with the carrier which may be audio, video or text.
 
 
 
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