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ACCV
1998
Springer
15 years 10 months ago
Object Recognition by Matching Symbolic Edge Graphs
We present an object recognition system based on symbolic graphs with object corners as vertices and outlines as edges. Corners are determined in a robust way by a multiscale combi...
Tino Lourens, Rolf P. Würtz
AVBPA
1997
Springer
90views Biometrics» more  AVBPA 1997»
15 years 10 months ago
Face Detection by Direct Convexity Estimation
We suggest a novel attentional mechanism for detection of smooth convex and concave objects based on direct processing of intensity values. The operator detects the regions of the ...
Ariel Tankus, Hezy Yeshurun, Nathan Intrator
AB
2007
Springer
15 years 10 months ago
Reduction of Algebraic Parametric Systems by Rectification of Their Affine Expanded Lie Symmetries
Lie group theory states that knowledge of a m-parameters solvable group of symmetries of a system of ordinary differential equations allows to reduce by m the number of equations. ...
Alexandre Sedoglavic
3DOR
2008
15 years 9 months ago
Characterizing Shape Using Conformal Factors
We present a new 3D shape descriptor based on conformal geometry. Our descriptor is invariant under non-rigid quasi-isometric transformations, such as pose changes of articulated ...
Mirela Ben-Chen, Craig Gotsman
RSS
2007
154views Robotics» more  RSS 2007»
15 years 8 months ago
Sliding mode formation tracking control of a tractor and trailer-car system
— In this paper a new leader-follower formation of nonholonomic mobile robots is studied. The follower is a car-like vehicle and the leader is a tractor pulling a trailer. The le...
Fabio Morbidi, Domenico Prattichizzo