Different digital watermarking techniques and their applications are briefly reviewed. Solution to a practical problem with visible image marking is presented, together with experimental results and
In this paper we propose a semi fragile watermarking scheme, which can be used for image authentication. Let the original image be performed by l level discrete wavelet transformation. An approxima
A new steganographic approach for 24 bit color images that can resist the RQP(raw quick pairs) steganalysis is described. The technique is based on modification of color triplets such that the exis
This paper presents a new approach to parallelize 3D lattice Monte Carlo algorithms used in the numerical simulation of polymer on ZiQiang 2000 a cluster of symmetric multiprocessors (SMPs). The comb