Ranjan Kumar Arya

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Digital image watermarking can be considered as a better solution to protect authentication of images and its copyright protection. The purpose of proposed method is to provide better security of host image. Proposed method is implemented using DWT and DCT. Watermark image is inserted in LL sub-band of host image by dividing it using DWT. 8×8 block(More)
Digital Watermarking has been used as a tool to protect the Intellectual Property Rights of multimedia documents. Through the watermarking we are able to prevent the unauthorized access, modification, and alteration of digital multimedia document. In today's era distribution of digital documents and e-commerce are widely used. Problem of Intellectual and(More)
Today detectability of Intellectual Property in the digital world is a major issue. And a watermarking is one of them process to secure intellectual rights of digital assets. In our paper we propose a method to insert multiple watermark in spatial and frequency domain to make our assets secure and undetectable by dividing our host image into two regions,(More)
The proposed method enhance the imperceptibility and robustness of LSB technique. In proposed method, results are compared with the existing LSB technique. It uses only one image in place of two images because watermark is self-generated from the host image. To enhance the imperceptibility of watermarked image, a very less pixel valued watermark image is(More)
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