Peter Johansen

According to our database, Peter Johansen authored at least 27 papers between 1969 and 2017.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2017

Modified automatic R-peak detection algorithm for patients with epilepsy using a portable electrocardiogram recorder.

Jesper Jeppesen, Sándor Beniczky, Anders Fuglsang-Frederiksen, Per Sidenius, Peter Johansen

Proceedings of the 2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2017

2016

The effect of the aortic valve orientation on cavitation.

Peter Johansen, Brandon R. Travis, Morten Smerup, Thomas Decker Christensen, Jonas Funder, Camilla Nyboe, Hans Nygaard, J. Michael Hasenkam

Proceedings of the 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2016

2014

Mechanical heart valve cavitation in patients with bileaflet valves.

Peter Johansen, Tina S. Andersen, J. Michael Hasenkam, Hans Nygaard, Peter K. Paulsen

Proceedings of the 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2014

Using Lorenz plot and Cardiac Sympathetic Index of heart rate variability for detecting seizures for patients with epilepsy.

Jesper Jeppesen, Sándor Beniczky, Peter Johansen, Per Sidenius, Anders Fuglsang-Frederiksen

Proceedings of the 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2014

2013

Correlation of iris biometrics and DNA.

Stine Harder, Line Harder Clemmensen, Anders L. Dahl, Jeppe D. Andersen, Peter Johansen, Susanne R. Christoffersen, Niels Morling, Claus Børsting, Rasmus R. Paulsen

Proceedings of the 1st International Workshop on Biometrics and Forensics, 2013

Electrode placement in bioimpedance spectroscopy.

Marie Birkemose, Asger Juul Møller, Mads Laensø Madsen, Steven Brantlov, Henrik Sørensen, Kristian Overgaard, Peter Johansen

Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2013

2012

What Genes Tell about Iris Appearance.

Stine Harder, Susanne R. Christoffersen, Peter Johansen, Claus Børsting, Niels Morling, Jeppe D. Andersen, Anders L. Dahl, Rasmus R. Paulsen

Proceedings of the Medical Computer Vision. Recognition Techniques and Applications in Medical Imaging, 2012

2010

Teaching Image Analysis at DIKU.

Peter Johansen

Proceedings of the History of Nordic Computing 3 - Third IFIP WG 9.7 Conference, 2010

2008

Brownian Warps for Non-Rigid Registration.

Mads Nielsen, Peter Johansen, Andrew D. Jackson, Benny Lautrup, Søren Hauberg

J. Math. Imaging Vis., 2008

Multi-object tracking of human spermatozoa.

Lauge Sørensen, Jakob Østergaard, Peter Johansen, Marleen de Bruijne

Proceedings of the Medical Imaging 2008: Image Processing, 2008

2005

Multi-scale Singularity Trees: Soft-Linked Scale-Space Hierarchies.

Kerawit Somchaipeng, Jon Sporring, Sven Kreiborg, Peter Johansen

Proceedings of the Scale Space and PDE Methods in Computer Vision, 2005

Transitions of Multi-scale Singularity Trees.

Kerawit Somchaipeng, Jon Sporring, Sven Kreiborg, Peter Johansen

Proceedings of the Deep Structure, 2005

2004

A PDE Solution of Brownian Warping.

Mads Nielsen, Peter Johansen

Proceedings of the Computer Vision, 2004

2002

Guest Editorial: Special Issue on Statistics of Shapes and Textures.

Mads Nielsen, Lars Kai Hansen, Peter Johansen, Jon Sporring

J. Math. Imaging Vis., 2002

Brownian Warps: A Least Committed Prior for Non-rigid Registration.

Mads Nielsen, Peter Johansen, Andrew D. Jackson, Benny Lautrup

Proceedings of the Medical Image Computing and Computer-Assisted Intervention, 2002

2001

Guest Editors' Introduction.

Peter Johansen, Bjarne K. Ersbøll

Int. J. Comput. Vis., 2001

2000

Branch Points in One-Dimensional Gaussian Scale Space.

Peter Johansen, Mads Nielsen, Ole Fogh Olsen

J. Math. Imaging Vis., 2000

1997

Local Analysis of Image Scale Space.

Peter Johansen

Proceedings of the Gaussian Scale-Space Theory, 1997

Adaptive Pattern Recognition.

Peter Johansen

J. Math. Imaging Vis., 1997

1995

On-line String Matching with Feedback.

Peter Johansen

Theor. Comput. Sci., 1995

1994

On the classification of toppoints in scale space.

Peter Johansen

J. Math. Imaging Vis., 1994

1988

Inductive Inference of Ultimately Periodic Sequences.

Peter Johansen

BIT, 1988

1984

A method for detecting structure in polyhedra.

Peter Johansen, Neil D. Jones, Jens Clausen

Pattern Recognit. Lett., 1984

1979

The Generating Function of the Number of Subpatterns of a D0L Sequence.

Peter Johansen

Theor. Comput. Sci., 1979

1975

Commutator Calculus and L Systems.

Peter Johansen

Proceedings of the Automata, Languages, Development: At the crossroads of biology, mathematics and computer science, result of an international conference held at Noordwijkerhout, The Netherlands, March 31, 1975

1974

Free Groups in Lindenmayer Systems.

Peter Johansen, Erik Meiling

Proceedings of the L Systems, 1974

1969

Free Groups and Regular Expressions

Peter Johansen

Proceedings of the 1st Annual ACM Symposium on Theory of Computing, 1969