Johannes Hatzl

According to our database, Johannes Hatzl authored at least 18 papers between 2005 and 2023.

Collaborative distances:

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

2023

Recurrent neural networks for generalization towards the vessel geometry in autonomous endovascular guidewire navigation in the aortic arch.

Lennart Karstensen, Jacqueline Ritter, Johannes Hatzl, Floris Ernst, Jens Langejürgen, Christian Uhl, Franziska Mathis-Ullrich

Int. J. Comput. Assist. Radiol. Surg., September, 2023

2022

Mixed-Reality-Assisted Puncture of the Common Femoral Artery in a Phantom Model.

Christian Uhl, Johannes Hatzl, Katrin Meisenbacher, Lea Zimmer, Niklas Hartmann, Dittmar Böckler

J. Imaging, 2022

Learning-based autonomous vascular guidewire navigation without human demonstration in the venous system of a porcine liver.

Lennart Karstensen, Jacqueline Ritter, Johannes Hatzl, Torben Pätz, Jens Langejürgen, Christian Uhl, Franziska Mathis-Ullrich

Int. J. Comput. Assist. Radiol. Surg., 2022

2012

2-balanced flows and the inverse 1-median problem in the Chebyshev space.

Johannes Hatzl

Discret. Optim., 2012

2011

Maximizing a Sum Related to Image Segmentation Evaluation.

Johannes Hatzl, Toufik Mansour, Mark Shattuck

J. Math. Model. Algorithms, 2011

2010

A combinatorial algorithm for the 1-median problem in R^d with the Chebyshev norm.

Johannes Hatzl, Andreas Karrenbauer

Oper. Res. Lett., 2010

Median problems with positive and negative weights on cycles and cacti.

Rainer E. Burkard, Johannes Hatzl

J. Comb. Optim., 2010

The 1-Median Problem in R^d with the Chebyshev-Norm and its Inverse Problem.

Johannes Hatzl

Electron. Notes Discret. Math., 2010

clever or smart: Strategies for the online target date assignment problem.

Elisabeth Gassner, Johannes Hatzl, Sven Oliver Krumke, Sleman Saliba

Discret. Appl. Math., 2010

The Inverse 1-Median Problem in Rd with the Chebyshev-Norm.

Johannes Hatzl

Proceedings of the 9th Cologne-Twente Workshop on Graphs and Combinatorial Optimization, 2010

2009

How hard is it to find extreme Nash equilibria in network congestion games?

Elisabeth Gassner, Johannes Hatzl, Sven Oliver Krumke, Heike Sperber, Gerhard J. Woeginger

Theor. Comput. Sci., 2009

2008

Combinatorial properties of a general domination problem with parity constraints.

Johannes Hatzl, Stephan G. Wagner

Discret. Math., 2008

Reverse 2-median problem on trees.

Rainer E. Burkard, Elisabeth Gassner, Johannes Hatzl

Discret. Appl. Math., 2008

A parity domination problem in graphs with bounded treewidth and distance-hereditary graphs.

Elisabeth Gassner, Johannes Hatzl

Computing, 2008

2007

Median problems on wheels and cactus graphs.

Johannes Hatzl

Computing, 2007

2006

A linear time algorithm for the reverse 1-median problem on a cycle.

Rainer E. Burkard, Elisabeth Gassner, Johannes Hatzl

Networks, 2006

A complex time based construction heuristic for batch scheduling problems in the chemical industry.

Rainer E. Burkard, Johannes Hatzl

Eur. J. Oper. Res., 2006

2005

Review, extensions and computational comparison of MILP formulations for scheduling of batch processes.

Rainer E. Burkard, Johannes Hatzl

Comput. Chem. Eng., 2005