%0 Journal Article %T Class-Conditional Probabilistic Principal Component Analysis: Application to Gender Recognition %A Bekios Calfa %A Juan %A Buenaposada %A Jos¨¦ M. %A Baumela %A Luis %J Computaci¨®n y Sistemas %D 2011 %I Instituto Polit¨¦cnico Nacional %X this paper presents a solution to the problem of recognizing the gender of a human face from an image. we adopt a holistic approach by using the cropped and normalized texture of the face as input to a na¨ªve bayes classifier. first it is introduced the class-conditional probabilistic principal component analysis (cc-ppca) technique to reduce the dimensionality of the classification attribute vector and enforce the independence assumption of the classifier. this new approach has the desirable property of a simple parametric model for the marginals. moreover this model can be estimated with very few data. in the experiments conducted we show that using cc-ppca we get 90% classification accuracy, which is similar result to the best in the literature. the proposed method is very simple to train and implement. %K gender classification %K face analysis %K class conditional ppca. %U http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S1405-55462011000200005&lng=en&nrm=iso&tlng=en