Watermarking for Digital Images with Wavelet: A Survey

Abstract

Present we are in the era of digital management. We are making the things in the digital form without any need of paper and also different benefits such as easy to share, increasing the life time of the document in the digital manner compared to paper manner. But making the things in the digitalized manner the things are easily get copied, modified, redistributed and also violating the copyright of the documents from buyers, customers, distributors, owners and authors. So to have the authenticity of the document the watermarking mechanism was introduced. So the documents which were shared the proper watermarking with their logo or name will be issued by the concerned authority people. For watermarking purpose various algorithms were developed. So here the various methods, stimulation techniques, problems and future works in this domain were discussed.