Published Paper Details:

There is an urgent need for copyright enforcement technologies which is increasing day by day in networked multimedia systems. These technologies can protect copyright possession of multimedia content. Image Watermarking is one of the technologies which have advanced to save digital images from illegal access. Content service transmission is a vital field of research to protect the ownership of the content. Also, Robustness against distortions and attacks is a crucial issue in watermarking. This issue has been taken care of greatly in this work. There are various methods to safe medical images, widely used are encryption, steganography, and watermarking, etc. Because of the watermarking benefits, it has gained great importance in the image security field. In this work, an advanced and improved method is proposed for hiding and the extraction of the binary watermark. This approach is proposed to watermark the biomedical information into a biomedical cover image. Along with the watermark extraction, the cover image is also extracted at the end of the receiver. A color image ".jpg" and binary image ".png" is taken as host and watermark image respectively. To increase the size of the security, firstly, the encryption of the watermark image is done by pseudo-random code and embedded in an RGB color cover image. The cover image is also decomposed by using discrete wavelet transform (DWT) and Singular Value Decomposition (SVD) methods. Both of the methods combined enhance the safety level of the proposed method. In short, the new SVD-DWT algorithm for the blind image is powerful in the fight against various attacks. DWT and Inverse DWT conversions were used to obtain four types of frequency images. To measure the efficiency of the proposed method, the test metrics are used such as MSE (Mean Square Error), PSNR (Peak Signal to Noise Ratio), and NC (Normalized Correlation).