@article {chountasis2017signal,
	title = {Signal watermarking in bi-dimensional representations using matrix factorizations},
	journal = {Computational and Applied Mathematics},
	volume = {36},
	number = {1},
	year = {2017},
	pages = {341{\textendash}357},
	publisher = {Springer International Publishing},
	author = {Spiros Chountasis and Dimitrios Pappas and Vasilios N. Katsikis}
}
