KOENDERINK J. Optic flow[J]. Vision Research, 1986, 26(1): 161？180.？ [2]HORN B, SCHUNCK B. Determining optical flow[J]. Artificial Intelligence, 1981, 17: 185？203.？ [3]SUNDARESWARAN V. Egomotion from global flow field data[C]//Proceedings of the IEEE Workshop on Visual Motion. Los Alamitos, USA, 1991: 140？145.？ [4]WEI Z, LEE D, NELSON B. FPGA？based real？time optical flow algorithm design and implementation[J]. Journal of Multimedia, 2007, 2(5): 38？45.？ [5]BARROWS G, NEELY C. Mixed？mode VLSI optic flow sensors for in？flight control of a micro air vehicle[C]// Proceedings of the SPIE 45th Annual Meeting. San Diego, USA, 2000: 52？63.？ [6]STOCKER A. Analog integrated 2？D optical flow sensor[J]. Analog Integrated Circuits and Signal Processing, 2006, 46: 121？138.？ [7]STOCKER A, DOUGLAS R. Analog integrated 2？D optical flow sensor with programmable pixels[C]//International Symposium on Circuits and System. Vancouver, Canada, 2004: 121？138.？ [8]LEE S, SONG J. Mobile robot localization using optical flow sensors[J]. International Journal of Control, Automation and Systems, 2004, 2(4): 485？493.[9]STOFFLER N, FARBER G. An MPEG？processor？based robot vision system for real？time detection of moving object by a moving observer[C]//Proceedings of 14th International Conference on Pattern Recognition. Washington, USA, 1998: 477？481.？ [10]KHALIL F, PAYEUR P. Optical flow techniques in biomimetic UAV vision[C]//IEEE International Workshop on Robotic and Sensors Environments. Ottawa, Canada, 2005: 14 19.？ [11]ROMERO H, SALAZAR S, LOZANO R. Real？time stabilization of an eight？rotor UAV using optical flow [J]. IEEE Transactions on Robotics, 2009, 25(4): 809？817.[12]HERISSE B, RUSSOTTO F, HAMEL T, et al. Hovering flight and vertical landing control of VTOL unmanned aerial vehicle using optical flow[C]//IEEE/RSJ International Conference on Intelligent Robots and Systems. Nice, France, 2008: 801？806.？ [13]REZAEI M, SAGHAFI F.Optical flow？based obstacle avoidance of a fixed？wing MAV[J]. Aircraft Engineering and Aerospace Technology, 2011, 83(2): 85？93.？ [14]RUFFIER F, FRANCESCHINI N. Optical flow regulation: the key to aircraft automatic guidance[J]. Robotics and Autonomous Systems, 2005, 50(4): 177？194.[15]ZINGG S, SCARAMUZZA D, WEISS S, et al. MAV navigation through indoor corridors using optical flow[C]//IEEE International Conference on Robotics and Automation. Anchorage, USA, 2010: 3361？3368.？ [16]SRINIVASAN M V. An image？interpolation technique for the computation of optic flow and egomotion[J]. Biological Cybernetics, 1994, 71(5): 401？415.？ [17]FENNEMA C, Thompson W. Velocity determination in scenes containing several moving objects[J]. Computer Graphics and Image Processing, 1979, 9: 301？315.
