R. J. Cintra earned the \emph{Doutor} degree in electrical engineering from the \emph{Universidade Federal de Pernambuco} (UFPE), Recife, Brazil, where he holds a full professor position since 2021.
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He has held visiting scholar appointments at the University of Akron, Ohio, USA; the \emph{D\'epartement Informatique}, INSA Lyon, France; the INRIA/IRISA Lab, University of Rennes~1, France; the University of Calgary, Canada; and the Florida International University, Miami, USA.
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He was an associate editor for IEEE Geoscience Remote Sensing Letters; for IET Circuits, Devices \& Systems; and for Springer Circuits, Systems, and Signal Processing. Currently he serves as an associate editor for the Journal of Communication and Information Systems; and as a subject editor for IET Electronics Letters.
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His long-term topics of research include: approximation theory for discrete transforms, theory and methods for digital signal and image processing, computationally efficient statistical algorithms, and probabilistic methods.
