- Multilinear Constraints in the Infinitesimal-time Case (1996),
Authors: Karl Åström, Anders Heyden
- Random Cross Ratios (1995),
Authors: Karl Åström, Luce Morin
- Motion from the Frontier of Curved Surfaces (1995),
Authors: Roberto Cipolla, Karl Åström, Peter Giblin
- A Canonical Framework for Sequences of Images (1995),
Authors: Anders Heyden, Karl Åström
- Fundamental Limitations on Projective Invariants of Planar Curves (1995),
Authors: Karl Åström
- A Canonic Framework for Sequences of Images: Similarities between the Calibrated and the Uncalibrated Case (1995),
Authors: Karl Åström, Anders Heyden
- A Canonic Framework for Sequences of Images: The Uncalibrated Case (1995),
Authors: Anders Heyden, Karl Åström
- Proximity Measures for Recognition (1994),
Authors: Anders Heyden, Sven Spanne, Gunnar Sparr, Karl Åström
- Proximity measures for recognition (1994),
Authors: Anders Heyden, Sven Spanne, Gunnar Sparr, Karl Åström
- Affine and Projective Normalization of Planar Curves and Regions (1994),
Authors: Karl Åström