… swarm optimization (PSO), a secure and robust dual-embedded watermarking algorithm is …
watermark image are processed by discrete cosine transform and multi-level discrete wavelet …

… In this paper we are embedding the watermark in the DCT domain of DWT coefficients of
host image. Hence we can achieve better performance when compared to using DCT alone [13]…

… by using particle swarm optimization intelligence and JAYA optimization to discover … DWT)
namely DWT-DCT-SVD and lifting wavelet transform (LWT) based scheme namely LWT-DCT…

… using LSB technique, DCT and DWT. In LSB technique, the … In the DWT technique, the
DWT decomposed the original digital … out by subtracting the original DWT coefficients form the …

… value decomposition (SVD) and particle swarm optimization (PSO). They are embedded the
principal components of the watermark in the DCT domain of DWT sub band of host image. …

… have compared the results with DWT and DWT-DCT algorithm. As discussed above parameters
… can be further extended by implementing at Swarm optimization method after the DWT. …

… in discrete Fourier transform via spread spectrum, optimizing … factor using particle swarm
optimization in conjunction with … particle swarm optimization applied to image watermarking. …

… In this paper, Discrete wavelet transform, Discrete cosine transform, bacterial foraging
optimization (BFO) and particle swarm optimization has been applied and analyzed their …

… feature selection algorithm based on particle swarm optimization (… The algorithm is applied
to coefficients extracted by two … In this paper DCT and DWT were used for feature extraction …

… Abdelhakim [31] have suggested a combination of DCT with Artificial Bee Colony for the
optimization of watermarking scheme. They claimed that their proposed technique minimized …