He received the B.Sc. degree in Computer Science from São Paulo State University, Brazil, in 2005, and the M.Sc. and Ph.D. degrees also in Computer Science from the University of Campinas, Brazil, in 2008 and 2012, respectively. He is currently an Associate Professor with the Department of Statistics, Applied Mathematics and Computing, São Paulo State University. His research interests involve content-based image retrieval, unsupervised and semi-supervised learning, image analysis, and information retrieval. He is serving as an Associate Editor of the Pattern Recognition Journal.