L. Mattos

Design and implementation in VHDL code of the two-dimensional fast Fourier transform for frequency filtering, convolution and correlation operations

Cesar Torres, Juan M. Vilardy, F J Giacometto, 2011 .

Digital Images Phase Encryption Using Fractional Fourier Transform

L. Mattos, C. Torres, L. Mattos, 2006, Electronics, Robotics and Automotive Mechanics Conference (CERMA'06).

Image encryption using the fractional wavelet transform

Cesar Torres, Juan M. Vilardy, L. Mattos, 2011 .