1. Differential invariants of planar curves and recognizing partially occluded shapes;Bruckstein,1992
2. What can be seen in three dimensions with an uncalibrated stereo rig;Faugeras,1992
3. Euclidean reconstruction from uncalibrated views;Hartley,1994
4. Object recognition using allignment;Huttenlocher,1987
5. Semi-differential invariants: algebraic-differential hybrids;Kempenaers,1992