In today’s world internet technology made our life very much easy. Security and reliability of images or information are major factors, but there are security problems. When we transmit the data over the internet the main problem is to secure the data from redundancy. Digital watermarking technique is use to provides security or protection of digital information,so that unauthorized user can’t access the information. Digital watermarking is commonly used in medical applications. Digital watermarking techniques have been developed to protect the copyright of digital media. In this paper our aim is to provide the detailed review of digital watermarking its applications and recent existing techniques for security applications.Full Paper
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