Masao Takimoto Shin'ichi Satoh Masao Sakauchi Identification and Detection of the Same Scene Based on Flash Light Patterns. 9-12 2006 conf/icmcs/2006 ICME http://doi.ieeecomputersociety.org/10.1109/ICME.2006.262501 db/conf/icmcs/icme2006.html#TakimotoSS06