P. Kempenaers

Shape recognition under affine distortions

André Oosterlinck, L. Van Gool, P. Kempenaers, 1992 .

Recognition of planar shapes under affine distortion

Luc Van Gool, Theo Moons, André Oosterlinck, 2005, International Journal of Computer Vision.

Recognition and semi-differential invariants

Luc Van Gool, André Oosterlinck, P. Kempenaers, 1991, Proceedings. 1991 IEEE Computer Society Conference on Computer Vision and Pattern Recognition.