A Review on Digital Image Watermarking Techniques
Due to the rapid expansion in internet technology copyright protection and data authenticity are two major problems in handling digital multimedia. Watermarking is a very important field for copyrights of various electronic documents and media. A variety of techniques have been proposed for copyright protection of digital images which include spatial domain and transform domain watermarking. This paper aims to provide some basic concepts of digital image watermarking techniques and comparisons between them.