Seiichi Ozawa Shaoning Pang Nikola Kasabov Adaptive Face Recognition System Using Fast Incremental Principal Component Analysis. 396-405 2007 ICONIP (2) http://dx.doi.org/10.1007/978-3-540-69162-4_41 conf/iconip/2007-2 db/conf/iconip/iconip2007-2.html#OzawaPK07