Yuki Hashimoto Yusuke Matsuki Tatsuya Nakanishi Kazunori Umeda Kei Suzuki Kazunori Takashio Detection of Pedestrians Using Subtraction Stereo. 165-168 2008 SAINT http://doi.ieeecomputersociety.org/10.1109/SAINT.2008.46 conf/saint/2008 db/conf/saint/saint2008.html#HashimotoMNUST08