With the advances in digital media technology and proliferation of internet infrastructure, modification and distribution of multimedia data became a simple task. People can copy, modify, and reformat digital media and transmit them over the wireless high-speed Internet with no burden. Companies owning multimedia contents wanted to secure their property from illegal usage. For this purpose, the digital watermark has attracted attention from the market. The digital watermark is the invisible message embedded into the multimedia content. Since its introduction into the field of multimedia security and copyright protection, responses from the researchers were overwhelming.