Watermarking And Dwt In Digital Image
In this paper, we give basic requirement of watermarking in digital image and special reference is given to DWT.
Since in the age of digital communication, almost communications are made using internet or other social media for instant
and long distant conversations, so the content security and privacy have became the most important considerable factors.
Watermarking provides the solution against content piracy and ownership disputes. Various methods and algorithms are
developed for watermarking but DWT is better than others and more suitable to digital images.
Keywords: - DWT (Discrete Wavelet Transform), Copy Right Protection, Digital Communication.