... Associate output of virtual sensors with target activity event224 Advances in Theory and Applications of Stereo Vision Advances in Theory and Applications of Stereo Vision 238 been inaccurate ... 199 7 International Conference on ShapeModeling and Application (SMA 97 ), pp. 130-1 39, 199 7.[14] B.W. Parkinson, J.J. Spilker, P. Axelrad, P. Enge, The Global Positioning System: Theory and Applications, ... Fittingwith Application to Image Analysis and Automated Cartography. Communication of theACM, Vol. 24, No. 6, pp. 381– 395 , June 198 1.226 Advances in Theory and Applications of Stereo Vision Advances...