Detection of continuous-time quaternion signals in additive noise. - Jesús Navarro-Moreno; Juan Carlos Ruiz-Molina; Antonia Oya; José Manuel Quesada-Rubio (EURASIP J. Adv. Signal Process., 2012)

Linear and nonlinear filters based on the improper Karhunen-Loève expansion. - Jesús Navarro-Moreno; Rosa M. Fernández-Alcalá; Juan Carlos Ruiz-Molina; José Manuel Quesada-Rubio (Signal Process., 2012)