A Novel Security based Image Watermarking using NBP-IWT-DCT-NSVD-GA-PSO Algorithm
Surya Prakasa Rao Reddi, B. Suribabu Naick, Prof. P. Rajesh Kumar · International Journal of Engineering and Advanced Technology · 2019
In this novel technique, a modified singular value decomposition named normalized singular value decomposition (NSVD) used for select the original image features to embedding the watermark image into these features. So, the quality of the original image won’t be affected. To select the Normalization Constant of NSVD, the optimization technique used is Genetic Algorithm (GA). In embedding stage, Particle Swarm Optimization (PSO) is used to optimize watermarking constant. Instead of these preliminaries the novel approach also used normalized block processing (NBP) to make the watermarked image more robust to rotation and flipping attacks. The various experiments are conducted on the novel approach to estimate the performance. The experimental results achieved good Robustness for most of the attacks compared to conventional approaches.