Digital image watermarking

Abstract

In recent years, much attention is focused on the watermarking techniques to hide information in digital media for copyright protection. Many algorithms for digital image watermarking have been presented followed by the corresponding software products and services. However, researches on this topic are far from mature: various methods should be tested and improved for real application and satisfactory theory has to be established for analysis. This paper gave a survey on the status of researches in the digital image watermarking.