In this study, combination of Discrete Wavelet Transform (DWT) and Singular Value Decomposition (SVD) via Lower-and-Upper (LU) Decomposition is used as a transform domain watermarking algorithm with a ...

The data on this map shows flyers and banners that have been displayed by far right hate groups in the United States. Since 2018 the white nationalist group Patriot Fron t has posted 10-times more ...