650 search results - page 30 / 130 » Distorting symmetric designs |
TMI
2010
14 years 8 months ago
2010
—A new feature based nonrigid image registration method for magnetic resonance (MR) brain images is presented in this paper. Each image voxel is represented by a rotation invaria...
IJNSEC
2011
14 years 4 months ago
2011
In this paper, cyclic elliptic curves of the form y2 + xy = x3 + ax2 + b, a, b ∈ GF(2m ) with order M is considered in the design of a Symmetric Key Image Encryption Scheme with...
ICIP
2004
IEEE
15 years 11 months ago
2004
IEEE
Most quantizer based data hiding schemes use uniform quantizer, which is not optimal if the host signal is not uniformly distributed. In this paper, we design a quantizer that is ...
CEC
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract— A new algorithm of optimal requantization codebook design using particle-pair optimizer (PPO) is proposed to provide an effective way for image transmission over multis...
CISS
2007
IEEE
15 years 4 months ago
2007
IEEE
Abstract—This paper presents a novel zero-sum watermarking game between a detection algorithm and a data hiding adversary. Contrary to previous research, the detection algorithm ...