Publications

Theses; Avhandlingar


1996
Invariancy Methods for Points, Curves and Surfaces in Computational Vision
Åström, Kalle, 1996


1993
Object Recognition using Affine and Projective Invariants of Planar Sets
Åström, Kalle, 1993


1991
Where am I and What am I Seeing? Algorithms for a Laser Guided Vehicle
Åström, Kalle, 1991

 

Journal papers; Tidskriftspublikationer


2012
Bayesian Formulation of Image Patch Matching Using Cross-correlation
Ardö, Håkan and Åström, Kalle, 2012, Published in: Journal of Mathematical Imaging and Vision


2010
Global Optimization for One-Dimensional Structure and Motion Problems
Enqvist, Olof and Kahl, Fredrik and Olsson, Carl and Åström, Kalle, 2010, Published in: SIAM Journal of Imaging Science


2009
Fast and Stable Polynomial Equation Solving and Its Application to Computer Vision
Byröd, Martin and Josephson, Klas and Åström, Kalle, 2009, Published in: International Journal of Computer Vision


2008
Fast and Robust Numerical Solutions to Minimal Problems for Cameras with Radial Distortion
Kukelova, Zuzana and Byröd, Martin and Josephson, Klas and Pajdla, Tomas and Åström, Kalle, 2008, Published in: Computer Vision and Image Understanding


2006
The Minimal Structure and Motion Problems with Missing Data for 1D Retina Vision
Oskarsson, Magnus and Åström, Kalle and Overgaard, Niels Chr., 2006, Published in: Journal of Mathematical Imaging and Vision


2005
A new automated method for analysis of gated-SPECT images based on a 3-dimensional heart shaped model
Lomsky, M. and Richter, J. and Johansson, L. and El-Ali, H. and Åström, K. and Ljungberg, M. and Edenbrandt, L., 2005, Published in: Clinical Physiology and Functional Imaging


2004
Minimal projective reconstruction for combinations of points and lines in three views
Oskarsson, Magnus and Zisserman, Andrew and Åström, Kalle, 2004, Published in: Image and Vision Computing


2003
Ambiguous Configurations for the 1D Structure and Motion Problem
Åström, Kalle and Kahl, Fredrik, 2003, Published in: Journal of Mathematical Imaging and Vision

Role of ventilation scintigraphy in diagnosis of acute pulmonary embolism. An evaluation using artificial neural networks
Evander, Eva and Holst, Holger and Järund, Andreas and Ohlsson, Mattias and Wollmer, Per and Åström, Kalle and Edenbrandt, Lars, 2003, Published in: Eur J Nucl Med Mol Imaging


2002
Robust Factorization
Aanaes, H and Fisker, R and Åström, K and Carstensen, J. M., 2002, Published in: IEEE transactions on Pattern Analysis and Machine Intelligence


2001
Reconstruction of Curves in $R^3$ using Factorization and Bundle Adjustment
Berthilsson, Rikard and Åström, Kalle and Heyden, Anders, 2001, Published in: Int. Journal of Computer Vision


2000
Automated Interpretation of Ventilation-Perfusion Lung Scintigrams for the Diagnosis of Pulmonary Embolism using Artificial Neural Networks
Holst, Holger and Åström, Karl and Järund, Andreas and Palmer, John and Heyden, Anders and Kahl, Fredrik and Tägil, Kristina and Evander, Eva and Sparr, Gunnar and Edenbrandt, Lars, 2000, Published in: European Journal of Nuclear Medicine

Automatic Geometric Reasoning in Structure and Motion Estimation
Oskarsson, Magnus and Åström, Kalle, 2000, Published in: Pattern Recognition Letters

Critical Motions for Auto-Calibration When Some Intrinsic Parameters Can Vary
Kahl, Fredrik and Triggs, Bill and Åström, Kalle, 2000, Published in: Journal of Mathematical Imaging and Vision

Solutions and Ambiguities of the Structure and Motion Problem for 1D Retinal Vision
Åström, Kalle and Oskarsson, Magnus, 2000, Published in: Journal of Mathematical Imaging and Vision


1999
Extension of Affine Shape
Berthilsson, Rikard and Åström, Kalle, 1999, Published in: Journal of Mathematical Imaging and Vision

Generalised Epipolar Constraints
Åström, K. and Cipolla, R. and Giblin, P. J., 1999, Published in: Int. Journal of Computer Vision

Motion Estimation in Image Sequences Using the Deformation of Apparent Contours
Åström, Kalle and Kahl, Fredrik, 1999, Published in: IEEE Transactions on Pattern Analysis and Machine Intelligence

Stochastic Analysis of Image Acquisition, Interpolation and Scale-space smoothing
Åström, Kalle and Heyden, Anders, 1999, Published in: Advances in Applied Probability


1998
Continuous Time Matching Constraints for Image Streams
Åström, K. and Heyden, A., 1998, Published in: Int. Journal of Computer Vision


1997
A New Radiographic Method for Evaluation of Sliding in Devices for Hip Fracture Surgery
Lunsjö, Karl and Åström, Kalle and Stigsson, Leif and Sparr, Gunnar and Hauggaard, Anders and Heyden, Anders and Ceder, Leif and Spanne, Sven, 1997, Published in: Acta Radiologica

Algebraic Properties of Multilinear Constraints
Heyden, Anders and Åström, Kalle, 1997, Published in: Mathematical Methods in the Applied Scinces

Reply to Pizlo, Rosenfeld and Weiss: The geometry of visual space
Åström, Kalle, 1997, Published in: Computer Vision and Image Understanding

Simplifications of Multilinear forms for Sequences of Images
Heyden, Anders and Åström, Kalle, 1997, Published in: Image and Vision Computing


1995
Fundamental Limitations on Projective Invariants of Planar Curves
Åström, Kalle Kalle, 1995, Published in: IEEE transactions on Pattern Analysis and Machine Intelligence

 

Conferences papers; Konferenspublikationer


2012
Understanding TOA and TDOA Network Calibration using Far Field Approximation as Initial Estimate
Kuang, Yubin and Ask, Erik and Burgess, Simon and Åström, Kalle, 2012, Published at: International Conference on Pattern Recognition Applications and Methods


2011
An Automated System for the Detection and Diagnosis of Kidney Lesions in Children from Scintigraphy Images
Landgren, Matilda and Sjöstrand, Karl and Ohlsson, Mattias and Ståhl, Daniel and Overgaard, Niels Christian and Åström, Kalle and Sixt, Rune and Edenbrandt, Lars, 2011, Published at: 17th Scandinavian Conference on Image Analysis (SCIA 2011)

Automatic Compartment Modelling and Segmentation for Dynamical Renal Scintigraphies
Ståhl, Daniel and Åström, Kalle and Overgaard, Niels Christian and Landgren, Matilda and Sjöstrand, Karl and Edenbrandt, Lars, 2011, Published at: 17th Scandinavian Conference on Image Analysis (SCIA 2011)

Supervised Feature Quantization with Entropy Optimization
Kuang, Yubin and Byröd, Martin and Åström, Kalle, 2011, Published at: IEEE Workshop on Information Theory in Computer Vision and Pattern Recognition


2010
Conjugate Gradient Bundle Adjustment
Byröd, Martin and Åström, Kalle, 2010, Published at: European Conference on Computer Vision

Optimizing Visual Vocabularies Using Soft Assignment Entropies
Kuang, Yubin and Åström, Kalle and Kopp, Lars and Oskarsson, Magnus and Byröd, Martin, 2010, Published at: Asian Conference on Computer Vision


2009
Bayesian Formulation of Image Patch Matching Using Cross-correlation
Ardö, Håkan and Åström, Kalle, 2009, Published at: Third ACM/IEEE International Conference on Distributed Smart Cameras

Bundle Adjustment using Conjugate Gradients with Multiscale Preconditioning
Byröd, Martin and Åström, Kalle, 2009, Published at: ], in Proc. The 20th British Machine Vision Conference


2008
A Column-Pivoting Based Strategy for Monomial Ordering in Numerical Gröbner Basis Calculations
Byröd, Martin and Josephson, Klas and Åström, Kalle, 2008, Published at: The 10th European Conference on Computer Vision

Fast and Robust Numerical Solutions to Minimal Problems for Cameras with Radial Distortion
Byröd, Martin and Kukelova, Zuzana and Josephson, Klas and Pajdla, Tomas and Åström, Kalle, 2008, Published at: Conference on Computer Vision and Pattern Recognition

Fast Optimal Three View Triangulation
Byröd, Martin and Josephson, Klas and Åström, Kalle, 2008, Published at: SSBA

MDL Patch Correspondences on Unlabeled Images
Karlsson, Johan and Åström, Kalle, 2008, Published at: International Conference on Pattern Recognition

MDL Patch Correspondences on Unlabeled Images with Occlusions
Karlsson, Johan and Åström, Kalle, 2008, Published at: CVPR, Computer Vision and Pattern Recognition


2007
An L-infinity Approach to Structure and Motion Problems in 1D-Vision
Åström, Kalle and Enqvist, Olof and Olsson, Carl and Kahl, Fredrik and Hartley, Richard, 2007, Published at: International Conference on Computer Vision

Automatic Feature Point Correspondences and Shape Analysis with Missing Data and Outliers
Åström, Kalle and Karlsson, Johan and Enqvist, Olof and Ericsson, Anders and Kahl, Fredrik, 2007, Published at: Scandinavian Conference on Image Analysis

Fast Optimal Three View Triangulation
Byröd, Martin and Josephson, Klas and Åström, Kalle, 2007, Published at: Asian Conference on Computer Vision

Image-Based Localization Using Hybrid Feature Correspondences
Josephson, Klas and Byröd, Martin and Kahl, Fredrik and Åström, Kalle, 2007, Published at: The second international ISPRS workshop BenCOS 2007, Towards Benchmarking Automated Calibration, Orientation, and Surface Reconstruction from Images

Improving Numerical Accuracy of Gröbner Basis Polynomial Equation Solvers
Byröd, Martin and Josephson, Klas and Åström, Kalle, 2007, Published at: International Conference on Computer Vision

Multi Sensor Loitering Detection Using Online Viterbi
Ardö, Håkan and Åström, Kalle, 2007, Published at: Tenth IEEE International Workshop on Performance Evaluation of Tracking and Surveillance

Online Viterbi Optimisation for Simple Event Detection in Video
Ardö, Håkan and Åström, Kalle and Berthilsson, Rikard, 2007, Published at: International Computer Vision Summer School 2007

Real Time Viterbi Optimization of Hidden Markov Models for Multi Target Tracking
Ardö, H. and Berthilsson, R. and Åström, K., 2007, Published at: IEEE Workshop on Motion and Video Computing


2006
Background and Foreground Modeling Using an Online EM Algorithm
Lindström, Johan and Lindgren, Finn and Åström, Kalle and Holst, Jan and Holst, Ulla, 2006, Published at: Sixth IEEE International Workshop on Visual Surveillance

Bijective Image Registration using Thin-Plate Splines.
Eriksson, Anders and Åström, Kalle, 2006, Published at: International Conference on Pattern Recognition

Image Segmentation Using Minimal Graph Cuts
Eriksson, Anders P and Barr, Olof and Åström, Kalle, 2006, Published at: Swedish Symposium on Image Analysis

Maximum Likelihood Esimates for Object Detection Using Multiple Detectors
Oskarsson, Magnus and Åström, Kalle, 2006, Published at: Joint IAPR International workshops on Structural and Syntactic Pattern Recognition and Statistical Techniques in Pattern Recognition

Video Segmentation Using a Bayesian Online EM Algorithm
Lindström, Johan and Lindgren, Finn and Åström, Kalle and Holst, Jan and Holst, Ulla, 2006, Published at: Joint Statistical Meeting


2005
Decision support system for the diagnosis of Parkinson\'s disease
Ericsson, Anders and Nowak Lonsdale, Markus and Åström, Kalle and Edenbrandt, Lars and Friberg, Lars, 2005, Published at: Scandinavian Conf. on Image Analysis

Laser Guided Vehicles, LGV's: Industrial Experiences and Needs for the Future
Wernersson, Åke and Hyyppä, Kalevi and Åström, Karl and Hedström, Arne and Rahm, Jonas, 2005, Published at: The Third Swedish Workshop on Autonomous Robotics, SWAR'05

On the Bijectivity of Thin Plate Transforms
Eriksson, A. P. and Åström, K., 2005, Published at: Swedeish Symposium on Image Analysis

Reconstruction from Planar Motion Image Sequences with Applications for Autonomous Vehicles
Stewénius, Henrik and Oskarsson, Magnus and Åström, Kalle, 2005, Published at: Scandinavian Conf. on Image Analysis

Solutions to Minimal Generalized Relative Pose Problems
Stewénius, H. and Nistér, D. and Oskarsson, M. and Åström, K., 2005, Published at: OMNIVIS 2005


2004
Camera platforms for localization and map building
Stewénius, Henrik and Oskarsson, Magnus and Åström, Kalle, 2004, Published at: Swedish Symposium on Image Analysis

Constraint Enforcement in Structure and Motion Applied to Closing and Open Sequence
Guilbert, N. and Kahl, F. and Oskarsson, M. and Åström, K. and Heyden, A. and Johansson, M., 2004, Published at: Asian Conf. on Computer Vision

Hand-Eye Calibration using Multilinear Constraints
Stewénius, Henrik and Åström, Kalle, 2004, Published at: Asian Conference on Computer Vision

Learning in Visual Attention
Balkenius, Christian and Eriksson, Anders Per and Åström, Kalle, 2004, Published at: Learning for Adaptable Visual Assistants

Parameterisation Invariant Statistical Shape Models
Karlsson, Johan and Ericsson, Anders and Åström, Kalle, 2004, Published at: International Conference on Pattern Recognition

Robustness and specificity in object detection
Eriksson, A. P. and Åström, K., 2004, Published at: International Conference on Pattern Recognition

Structure and Motion Problems for Multiple Rigidly Moving Cameras.
Stewénius, Henrik and Åström, Kalle, 2004, Published at: European Conference on Computer Vision


2003
An Affine Invariant Deformable Shape Representation for General Curves
Ericsson, Anders and Åström, Kalle, 2003, Published at: 9th Int. Conf. on Computer Vision

Automated interpretation of cardiac scintigrams
Richter, Jens and Ericsson, Anders and Åström, Kalle and Kahl, Fredrik and Edenbrandt, Lars, 2003, Published at: 13th Scandinavian Conf. on Image Analysis

Automated Interpretation of Ventilation-Perfusion Lung Scintigrams for the Diagnosis of Pulmonary Embolism using Support Vector Machines
Ericsson, Anders and Huart, Amelie and Ekefjärd, Andreas and Åström, Kalle and Holst, Holger and Evander, Eva and Wollmer, Per and Edenbrandt, Lars, 2003, Published at: 13th Scandinavian Conf. on Image Analysis

Minimizing the description length using steepest descent
Ericsson, Anders and Åström, Kalle, 2003, Published at: Proc. British Machine Vision Conference, Norwich, United Kingdom


2002
Computer Vision for determination of Fridge Content
Färnström, Fredrik and Johansson, Björn and Åström, Kalle, 2002, Published at: Symposium on Image Analysis

Minimal projective reconstruction for combinations of points and lines in three views
Oskarsson, Magnus and Zisserman, Andrew and Åström, Kalle, 2002, Published at: Proc. British Machine Vision Conference, Cardiff, UK

Structure and motion estimation from complex features in three views
Johansson, B. and Oskarsson, M. and Åström, K., 2002, Published at: Indian Conference on Computer Vision, Graphics and Image Processing

Using Combinations of Lines and Points for Minimal Projective Reconstruction
Oskarsson, Magnus and Zisserman, A. and Åström, Kalle, 2002, Published at: Symposium on Image Analysis


2001
Ambiguous Configurations for the 1D structure and motion problem
Kahl, Fredrik and Åström, Kalle, 2001, Published at: 8th Int. Conf. on Computer Vision

Classifying and solving minimal structure and motion problems with missing data
Oskarsson, Magnus and Åström, Kalle and Overgaard, Niels Christian, 2001, Published at: 8th Int. Conf. on Computer Vision

Critical Configurations for 1D Retina Vision
Kahl, Fredrik and Åström, Kalle, 2001, Published at: Symposium on Image Analysis

Critical Configurations for N-View Projective Reconstruction
Kahl, Fredrik and Hartley, Richard and Åström, Kalle, 2001, Published at: Conf. Computer Vision and Pattern Recognition

Minimal cases of the structure and motion problem with missing data for one-dimensional retinae
Oskarsson, Magnus and Åström, Kalle and Overgaard, Nils Christian, 2001, Published at: 12th Scandinavian Conf. on Image Analysis

Structure and motion problems with occlusions for 1D retina vision
Oskarsson, Magnus and Åström, Kalle and Overgaard, Niels Christian, 2001, Published at: Symposium on Image Analysis


2000
Map merging in structure and motion applications
Oskarsson, Magnus and Åström, Kalle, 2000, Published at: Symposium on Image Analysis

Merging maps in 2D structure and motion estimation
Oskarsson, Magnus and Åström, Kalle, 2000, Published at: Proc. 6th International Conference on Control, Automation, Robotics and Vision, Singapore.

Multiple View Vision
Åström, Kalle, 2000, Published at: International Conference on Pattern Recognition


1999
Accurate and automatic surveying of beacon positions for a laser guided vehicle
Oskarsson, M. and Åström, K., 1999, Published at:

Automated Interpretation of Ventilation-Perfusion Lung Scans
Holst, Holger and Åström, Kalle and Palmer, John and Heyden, Anders and Kahl, Fredrik and Tägil, Kristina and Evander, Eva and Sparr, Gunnar and Edenbrandt, Lars, 1999, Published at: Society Nuclear Medicine

Automatic Geometric Reasoning in Structure and Motion Estimation
Oskarsson, Magnus and Åström, Kalle, 1999, Published at: Proc. 11th Scandinavian Conference on Image Analysis, Kangerlussuaq, Greenland

Flexible Calibration: Minimal Cases for Auto-calibration
Heyden, Anders and Åström, Kalle, 1999, Published at: International Conference on Computer Vision

Minimal Structure and Motion Problems for 1D Vision
Åström, Kalle and Oskarsson, Magnus, 1999, Published at: Symposium on Image Analysis

Reconstruction of Curves in R^3, using Factorization and Bundle Adjustment
Berthilsson, Rikard and Åström, Kalle and Heyden, Anders, 1999, Published at: 7th Int. Conf. on Computer Vision

Solutions and Ambiguities of the Structure and Motion Problem for 1D Retinal Vision
Åström, Kalle and Oskarsson, Magnus, 1999, Published at: Scandinavian Conference on Image Analysis

Structure and Motion from Lines Under Affine Projections
Åström, Kalle and Heyden, Anders and Kahl, Fredrik and Oskarsson, Magnus, 1999, Published at: International Conference on Computer Vision


1998
A Statistical Approach to Structure and Motion from Image Features
Åström, Kalle and Kahl, Fredrik and Heyden, Anders and Berthilsson, Rikard, 1998, Published at: Statistical Techniques in Pattern Recognition

Accurate and automatic surveying of beacon positions for a laser guided vehicle
Oskarsson, Magnus and Åström, Kalle, 1998, Published at: Proc. European Consortium for Mathematics in Industry, Gothenburg, Sweden

Accurate and automatic surveying of beacon positions for a laser guided vehicle
Oskarsson, Magnus and Åström, Kalle, 1998, Published at: Swedish Symposium on Image Analysis

Minimal Conditions on Intrinsic Parameters for Euclidean Reconstruction
Heyden, Anders and Åström, Kalle, 1998, Published at: 2nd Asian Conf. on Computer Vision

Motion Estimation in Image Sequences Using the Deformation of Apparent Contours
Kahl, Fredrik and Åström, Kalle, 1998, Published at: 6th Int. Conf. on Computer Vision

Using Combinations of Points, Lines and Conics to Estimate Structure and Motion
Åström, Kalle, 1998, Published at: SSAB Symposium on Image Analysis


1997
A Computer Vision Toolbox
Åström, Kalle and Heyden, Anders and Kahl, Fredrik and Berthilsson, Rikard and Sparr, Gunnar, 1997, Published at: Nordic Matlab Conference

Euclidean Reconstruction from almost Uncalibrated Cameras
Heyden, Anders and Åström, Kalle, 1997, Published at: Symposium Image Analysis

Euclidean Reconstruction from Image Sequences with Varying and Unknown Focal Length and Principal Point
Heyden, Anders and Åström, Kalle, 1997, Published at: Conf. Computer Vision and Pattern Recognition

Motion Estimation in Image Sequences Using the Deformation of Apparent Contours
Kahl, Fredrik and Åström, Kalle, 1997, Published at: Symposium Image Analysis

Path Design and Control Algorithms for Articulated Mobile Robots
Andersson, Ulf and Mrozek, Kent and Hyyppa, Kalevi and Åström, Kalle, 1997, Published at: International Conference on Field and Service Robotics, Canberra, Australia

Perception and Action using Multilinear Forms
Heyden, Anders and Sparr, Gunnar and Åström, Kalle, 1997, Published at: International Workshop on Algebraic Frames for the Perception-Action Cycle

Projective Reconstruction of 3D-curves from its 2D-images using Error Models and Bundle Adjustments
Berthilsson, Rikard and Åström, Kalle and Heyden, Anders, 1997, Published at: 10th Scandinavian Conf. on Image Analysis

Reconstruction of 3D-Curves from 2D-Images Usign Affine Shape Methods for Curves
Berthilsson, Rikard and Åström, Kalle, 1997, Published at: Symposium Image Analysis

Reconstruction of 3D-Curves from 2D-Images Using Affine Shape Methods for Curves
Berthilsson, Rikard and Åström, Kalle, 1997, Published at: Conf. Computer Vision and Pattern Recognition


1996
Algebraic Varieties in Multiple View Geometry
Heyden, Anders and Åström, Kalle, 1996, Published at: European Conference on Computer Vision

Euclidean Reconstruction from Constant Intrinsic Parameters
Heyden, A. and Åström, K., 1996, Published at: International Conference on Pattern Recognition

Generalised Epipolar Constraints
Åström, K. and Cipolla, R. and Giblin, P. J., 1996, Published at: 4th European Conf. on Computer Vision

Multilinear Constraints in the Infinitesimal-time Case
Åström, Kalle and Heyden, Anders, 1996, Published at: Computer Vision and Pattern Recognition

Multilinear Constraints in Two-dimensional Vision and Isogonal Conjugacy
Åström, Kalle, 1996, Published at: Symposium on Image Analysis

Stochastic Analysis of Scale-Space Smoothing
Åström, K. and Heyden, A., 1996, Published at: International Conference on Pattern Recognition

Stochastic Modelling and Analysis of Sub-pixel Edge Detection
Åström, Kalle and Heyden, Anders, 1996, Published at: International Conference on Pattern Recognition

Stochastic Modelling of Image Acquisition, Interpolation and Scale-space smoothin
Åström, Kalle and Heyden, Anders, 1996, Published at: Phd School of Classical Scale-Space Theory


1995
A Canonic Framework for Sequences of Images: Similarities between the Calibrated and the Uncalibrated Case
Åström, Kalle and Heyden, Anders, 1995, Published at: Symposium on Image Analysis

A Canonic Framework for Sequences of Images: The Uncalibrated Case
Heyden, Anders and Åström, Kalle, 1995, Published at: Symposium on Image Analysis

A Canonical Framework for Sequences of Images
Heyden, Anders and Åström, Kalle, 1995, Published at: Proc. IEEE workshop on Representation of Visual Scenes, MIT, Cambridge, MA, USA

Motion from the Frontier of Curved Surfaces
Cipolla, Roberto and Åström, Kalle and Giblin, Peter, 1995, Published at: International Conference on Computer Vision

Random Cross Ratios
Åström, Kalle and Morin, Luce, 1995, Published at: Scandinavian Conferencen on Image Analysis


1994
Affine and Projective Normalization of Planar Curves and Regions
Åström, Kalle, 1994, Published at: European Conference on Computer Vision


1993
Affine Invariants of Planar Sets
Åström, Kalle, 1993, Published at: Scandinavian Conference on Image Analysis

Fundamental Difficulties With Projective Normalization of Planar Curves
Åström, Kalle, 1993, Published at: Second Joint European - US Workshop

 

Miscellaneous; Övrigt