Date of Publication :20th June 2017

Abstract: This is agreed by one and all that today’s era is IT oriented and Internet has reached to every corner of our lives. Communicating over Internet or networks is a routine for us, this leads to the need of transmission security and safety of our confidential information which is being communicated. Digital Watermarking is a medium to assure integrity, piracy detection and knowing any kind of tempering done with the communicated data. It is also used for applications like owner’s authentication, copyright maintenance and monitoring broadcasts. In this paper we will review digital watermarking with its techniques, applications, classification and factors effecting watermarking

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