Now a day, Digital Image watermarking plays very important role in multimedia for numerous applications for example- copyright protection, ownership protection and identification, data authentication, broadcast monitoring etc. The aim of every application is to provide security to the digital information. Digital Image watermarking is basically a method of embedding some additional information with original image in the form of text, logo, audio, image etc. Digital Image watermarking is a very developing field and widely used in various applications. This paper presents a systematic review on different digital watermarking techniques. The Image watermarking techniques may divide broadly on basis of domain like spatial domain or frequency domain or on the basis of wavelets.
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