Sharat Chandran Soumitra Kar Retrieving Faces by the PIFS Fractal Code. 8-12 2002 conf/wacv/2002 WACV http://csdl.computer.org/comp/proceedings/wacv/2002/1858/00/18580008abs.htm db/conf/wacv/wacv2002.html#ChandranK02