C Preet, RK Aggarwal - 2017 International Conference on …, 2017 - ieeexplore.ieee.org
… of lifting wavelet transform (LWT) and discretecosinetransform (DCT) then Arnold … LWT and DCT is presented along with Arnold transformation to provide secure watermarking…
A Zear, PK Singh - Multimedia Tools and Applications, 2022 - Springer
… watermarking technique using LWT-DCT-SVD has been proposed. The important properties of the proposed approach are: 1) LWT … improves robustness of watermark. In addition to this …
… In this paper, a robust watermarking method is proposed based on LWT, DCT, SVD, and normalization. The extracted watermark was tested based on PSNR, SSIM, and NC. We …
AK Singh - Multimedia Tools and Applications, 2019 - Springer
… a LWT-DCT based robust and invisible multiple watermarking using color image for tele-health applications. LWT … It is established that the complexity of LWT is nearly half in comparison …
… Section III discusses D WT Domain watermarking. In section IV, we discuss about LWT. Then in … DCT DOMAINWATERMARKING Literature survey reveals that transform domains are …
… a lossless robust hybrid watermarkingscheme based on LWT and DCT for color images. … scheme and DCTscheme to acquire transparency and robustness. The proposed scheme …
M Talbi, MS Bouhlel - International Journal of Image and Graphics, 2018 - World Scientific
… In this paper, a secure image watermarkingscheme based on lifting wavelet transform (LWT) and … Then the DCT is applied to this Ŋrst color and the watermark signal is inserted into the …
DB Taha, TB Taha, NB Al Dabagh - Bulletin of Electrical Engineering and …, 2020 - beei.org
… was used in many watermarking algorithms as [7] in which the watermark is … DCT for RGB images. The combination of DWT with DCT is used also in [9] for getting a robust watermarking …
NV Lalitha, PV Prasad, SUM Rao - … International Conference on …, 2016 - ieeexplore.ieee.org
… Audio watermarkingschemes based on different combination techniques like DCT-SVD, DWT-SVD, DWTDCT-SVD, LWT-DCT-SVD are studied in detail using different audio signals. …