Abstract:
The present paper focuses on the mixture of Discrete
Wavelet Transform and Discrete Cosine Transform used in the
purpose of Digital Image Watermarking. People nowadays need
Digital media as an alternate of paper media. With the growth of
technology, digital media while transferring requires protection
through internet or other mediums. Process of hiding information
in any form image, text, audio and video in original image without
corrupting its perceptual quality is called Digital Image
Watermarking. Watermarking is useful method for protection of
integrity of the original data, it is done by computing statistical
values like Peak signal to noise ratio (PSNR) & Mean square
error (MSE) for various attacks like image cropping, noise and
resize.
