Chapter 1 Data and Information Dimensionality in Non-Cooperative Face Recognition by Geert Verdoolaege 1 , John Soldera 2 , Thiarlei Macedo 3 and Jacob Scharcanski 4 Chapter published in : Signal and Image Processing for Biometrics, Edited by J. Scharcanski, H. Proença and E. Du, Lecture Notes in Electrical Engineering, Springer Berlin Heidelberg, Volume 292, 2014, pp, 1-35, ISBN: 978-3-642-54079-0 DOI:10.1007/978-3-642-54080-6_1 1 Geert Verdoolaege is with University of Ghent, Ghent, Belgium (geert.verdoolaege@ugent.be). 2 John Soldera is with Instituto de Informática, UFRGS, Porto Alegre, Brasil (soldera@inf.ufrgs.br). 3 Thiarlei Macedo is with Guardian Tecnologia da Informação, Caxias do Sul, Brasil (thiar- lei@gmail.com). 4 Jacob Scharcanski is with Instituto de Informática and Programa de Pós-Graduação em Engenharia Elétrica, UFRGS, Porto Alegre, Brasil (jacobs@inf.ufrgs.br). 1