Watermark
Www.fakengineer.com [1] AN ANALYSIS OF DIGITAL WATERMARKING IN FREQUENCY DOMAIN.
A BLIND ROBUST WATERMARKING SCHEME BASED ON SVD AND CIRCULANT MATRICES
IMAGE AUTHENTICATION THROUGH ZTRANSFORM WITH LOW ENERGY AND BANDWIDTH (IAZT)
Robust Watermarking Using Hybrid Transform of DCT, Haar and Walsh and SVD
Robust Watermarking Technique using Hybrid Wavelet Transform Generated from Kekre Transform and Discrete Cosine Transform