Description  Claims  Drawing  Cited references 

JP4545093B   [0003] 
JP2012226645A   [0003] 
US2012045149A1   [0004] 
JPH11331827A   [0008] 
JP2011040898A   [0010] 
JP2006285546A   [0011] 

Omnidirectional Imaging and Optical Flow   [0005] 
Omnidirectional Optical Flow and Visual Motion Detection for Autonomous Robot Navigation   [0006] 
Calibration and Correction for Omnidirectional Image with a Fisheye Lens   [0007] 
A Sensor-fusion Method for Detecting a Speaking Student   [0009]