1. Imaging Research Laboratories, Robarts Research Institute, University of Western OntarioLondonONCanada
2. Signal Processing Group, Departamento des EstatstícaUniversidade Federal de PernambucoRecifePEBrazil
3. LIRIS, Institut National des Sciences AppliquéesLyonFrance
4. Department of Electrical and Computer EngineeringThe University of AkronAkronOHUSA
5. Departamento de Estatstíca and LACESMUniversidade Federal de Santa MariaSanta MariaRSBrazil