… DWT and DCT based watermarking technique with low frequency watermarking with weighted
correction is proposed. DWT has … DCT based watermarking techniques offer compression …

… a DWT-DCT based digital watennarking algorithm that can resist various watermark attacks.
Rather than embedding the watennark to the DCT mid frequency coefficients, we use a DWT …

… watermarking scheme based on DWT-DCT and SIFT for copyright protection. The main …
processing and geometrical attacks using the DWT-DCT domain to embed the watermark and …

… DWT-SVD and DCT with Arnold Cat Map encryption based robust and blind watermarking
scheme is proposed for copyright protection. … Discrete Cosine Transform (DCT) coefficients of …

… video watermarking technique for the copyright protection of multimedia colour videos using
… Discrete Wavelet Transform (DWT) and Discrete Cosine Transform (DCT) based digital …

… Then we apply DWT, sub-sampling and DCT to it as the same manner of embedding. Thirdly
… In this paper, we improved a DCT field blind watermarking algorithm for copyright protection…

… This makes the DCT domain watermarking schemes have … DWT is used frequently in digital
image watermarking due to … blind watermarking algorithm based on DCT-DWT that embeds a …

… of colour images for copyright protection in hybrid DWT-DCT-SVD domain. In the … (DWT)
coefficients and the low frequency band (LL) is transformed by discrete cosine transform (DCT). …

… technologies has emphasized the need to protect digital multimedia data from pirates.
Authentication and information hiding, copyright protection, content identification and proof …

… (DWT) … DCT-DWT-SVD method with the aim of optimizing robustness and imperceptibility.
The stages that differentiate in this study are the DCT process that is carried out before DWT, …