Walter G. Kropatsch

Orcid: 0000-0003-4915-4118

Affiliations:
  • TU Wien, Vienna, Austria


According to our database1, Walter G. Kropatsch authored at least 174 papers between 1981 and 2023.

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Bibliography

2023
JEI Updates Research Topic Categories.
J. Electronic Imaging, 2023

Distance Transform in Images and Connected Plane Graphs.
Proceedings of the Pattern Recognition Applications and Methods, 2023

Distance Transform in Parallel Logarithmic Complexity.
Proceedings of the 12th International Conference on Pattern Recognition Applications and Methods, 2023

Reducing the Computational Complexity of the Eccentricity Transform of a Tree.
Proceedings of the Graph-Based Representations in Pattern Recognition, 2023

2022
Characterizing slope regions.
J. Comb. Optim., 2022

Fast Distance Transforms in Graphs and in Gmaps.
Proceedings of the Structural, Syntactic, and Statistical Pattern Recognition, 2022

Removing Redundancies in Binary Images.
Proceedings of the Intelligent Systems and Pattern Recognition, 2022

A Step Towards Learning Contraction Kernels for Irregular Image Pyramid.
Proceedings of the 11th International Conference on Pattern Recognition Applications and Methods, 2022

Parallel 풪(log(n)) Computation of the Adjacency of Connected Components.
Proceedings of the Pattern Recognition and Artificial Intelligence, 2022

Implicit Encoding and Simplification/Reduction of nGmaps.
Proceedings of the Discrete Geometry and Mathematical Morphology, 2022

2021
Generalized Conics with the Sharp Corners.
Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2021

2020
Image = Structure + Few Colors.
Proceedings of the Structural, Syntactic, and Statistical Pattern Recognition, 2020

Generalized Conics: Properties and applications.
Proceedings of the 25th International Conference on Pattern Recognition, 2020

2019
Congratulations! Dual Graphs Are Now Orientated!
Proceedings of the Graph-Based Representations in Pattern Recognition, 2019

Non-centered Voronoi Skeletons.
Proceedings of the Discrete Geometry for Computer Imagery, 2019

On the Space Between Critical Points.
Proceedings of the Discrete Geometry for Computer Imagery, 2019

Computing and Reducing Slope Complexes.
Proceedings of the Computational Topology in Image Context - 7th International Workshop, 2019

Partitioning 2D Images into Prototypes of Slope Region.
Proceedings of the Computer Analysis of Images and Patterns, 2019

2018
Line Voronoi Diagrams Using Elliptical Distances.
Proceedings of the Structural, Syntactic, and Statistical Pattern Recognition, 2018

Segmentation Edit Distance.
Proceedings of the 24th International Conference on Pattern Recognition, 2018

Confocal Ellipse-based Distance and Confocal Elliptical Field for polygonal shapes.
Proceedings of the 24th International Conference on Pattern Recognition, 2018

ThermalGAN: Multimodal Color-to-Thermal Image Translation for Person Re-identification in Multispectral Dataset.
Proceedings of the Computer Vision - ECCV 2018 Workshops, 2018

2017
Special issue "Advances in graph-based pattern recognition".
Pattern Recognit. Lett., 2017

Euclidean and Geodesic Distance Profiles.
Proceedings of the Discrete Geometry for Computer Imagery, 2017

2016
Topological Attribute Patterns for texture recognition.
Pattern Recognit. Lett., 2016

Topology-based image segmentation using LBP pyramids.
Mach. Vis. Appl., 2016

A framework for the extraction of quantitative traits from 2D images of mature Arabidopsis thaliana.
Mach. Vis. Appl., 2016

Pattern mining and fault detection via COP<sub>therm</sub>-based profiling with correlation analysis of circuit variables in chiller systems.
Comput. Sci. Res. Dev., 2016

Shape Normalizing and Tracking Dancing Worms.
Proceedings of the Structural, Syntactic, and Statistical Pattern Recognition, 2016

Detecting Ellipses in Elongated Shapes Using the Thickness Profile.
Proceedings of the Structural, Syntactic, and Statistical Pattern Recognition, 2016

Shape Classification According to LBP Persistence of Critical Points.
Proceedings of the Discrete Geometry for Computer Imagery, 2016

Train Detection and Tracking in Optical Time Domain Reflectometry (OTDR) Signals.
Proceedings of the Pattern Recognition - 38th German Conference, 2016

Persistence Based on LBP Scale Space.
Proceedings of the Computational Topology in Image Context - 6th International Workshop, 2016

2015
Graph-based point drift: Graph centrality on the registration of point-sets.
Pattern Recognit., 2015

The Minimum Spanning Tree of Maximum Entropy.
CoRR, 2015

Smooth and iteratively Restore: A simple and fast edge-preserving smoothing model.
CoRR, 2015

Evaluating and Grading Students in Large-Scale Image Processing Courses.
IEEE Computer Graphics and Applications, 2015

Data Graph Formulation as the Minimum-Weight Maximum-Entropy Problem.
Proceedings of the Graph-Based Representations in Pattern Recognition, 2015

Reeb Graphs Through Local Binary Patterns.
Proceedings of the Graph-Based Representations in Pattern Recognition, 2015

LBP and Irregular Graph Pyramids.
Proceedings of the Computer Analysis of Images and Patterns, 2015

2014
Topological Image Analysis and (Normalised) Representations for Plant Phenotyping.
Proceedings of the 16th International Symposium on Symbolic and Numeric Algorithms for Scientific Computing, 2014

Video Analysis of a Snooker Footage Based on a Kinematic Model.
Proceedings of the Structural, Syntactic, and Statistical Pattern Recognition, 2014

Impact of Topology-Related Attributes from Local Binary Patterns on Texture Classification.
Proceedings of the Computer Vision - ECCV 2014 Workshops, 2014

Representing Roots on the Basis of Reeb Graphs in Plant Phenotyping.
Proceedings of the Computer Vision - ECCV 2014 Workshops, 2014

Image-Based Phenotyping of the Mature Arabidopsis Shoot System.
Proceedings of the Computer Vision - ECCV 2014 Workshops, 2014

2013
Crypts detection in microscopic images using hierarchical structures.
Pattern Recognit. Lett., 2013

Special issue on computer analysis of images and patterns.
Pattern Recognit. Lett., 2013

Automatic detection of brain tumors in MR images.
Proceedings of the 36th International Conference on Telecommunications and Signal Processing, 2013

Estimation of Distribution Algorithm for the Max-Cut Problem.
Proceedings of the Graph-Based Representations in Pattern Recognition, 2013

On the Evaluation of Graph Centrality for Shape Matching.
Proceedings of the Graph-Based Representations in Pattern Recognition, 2013

Structural Cues in 2D Tracking: Edge Lengths vs. Barycentric Coordinates.
Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2013

2012
On the search of optimal reconstruction resolution.
Pattern Recognit. Lett., 2012

Top-Down Tracking and Estimating 3D Pose of a Die.
Proceedings of the Structural, Syntactic, and Statistical Pattern Recognition, 2012

Semi-automatic tracking of markers in facial palsy.
Proceedings of the 21st International Conference on Pattern Recognition, 2012

2011
Hierarchical spatio-temporal extraction of models for moving rigid parts.
Pattern Recognit. Lett., 2011

Reprint of: Multi-scale 2D tracking of articulated objects using hierarchical spring systems.
Pattern Recognit., 2011

Multi-scale 2D tracking of articulated objects using hierarchical spring systems.
Pattern Recognit., 2011

Convex Deficiencies for Human Action Recognition.
J. Intell. Robotic Syst., 2011

Matching 2D and 3D articulated shapes using the eccentricity transform.
Comput. Vis. Image Underst., 2011

Invariant representative cocycles of cohomology generators using irregular graph pyramids.
Comput. Vis. Image Underst., 2011

Epithelial Area Detection in Cytokeratin Microscopic Images Using MSER Segmentation in an Anisotropic Pyramid.
Proceedings of the Pattern Recognition in Bioinformatics, 2011

Hierarchical Interactive Image Segmentation Using Irregular Pyramids.
Proceedings of the Graph-Based Representations in Pattern Recognition, 2011

A Global Method for Reducing Multidimensional Size Graphs.
Proceedings of the Graph-Based Representations in Pattern Recognition, 2011

Spatio-Temporal Extraction of Articulated Models in a Graph Pyramid.
Proceedings of the Graph-Based Representations in Pattern Recognition, 2011

Describing When and Where in Vision.
Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2011

Semantic Segmentation of Microscopic Images Using a Morphological Hierarchy.
Proceedings of the Computer Analysis of Images and Patterns, 2011

Evaluation of Facial Reconstructive Surgery on Patients with Facial Palsy Using Optical Strain.
Proceedings of the Computer Analysis of Images and Patterns, 2011

Characterizing Obstacle-Avoiding Paths Using Cohomology Theory.
Proceedings of the Computer Analysis of Images and Patterns, 2011

2010
Robust and efficient analysis of signals and images.
Pattern Recognit. Lett., 2010

2009
Directly computing the generators of image homology using graph pyramids.
Image Vis. Comput., 2009

Approximative graph pyramid solution of the E-TSP.
Image Vis. Comput., 2009

Irregular Graph Pyramids and Representative Cocycles of Cohomology Generators.
Proceedings of the Graph-Based Representations in Pattern Recognition, 2009

Tracking Objects beyond Rigid Motion.
Proceedings of the Graph-Based Representations in Pattern Recognition, 2009

An Improved Coordinate System for Point Correspondences of 2D Articulated Shapes.
Proceedings of the Discrete Geometry for Computer Imagery, 2009

Expanding Irregular Graph Pyramid for an Approaching Object.
Proceedings of the Progress in Pattern Recognition, 2009

When Pyramids Learned Walking.
Proceedings of the Progress in Pattern Recognition, 2009

Rigid Part Decomposition in a Graph Pyramid.
Proceedings of the Progress in Pattern Recognition, 2009

Homological Tree-Based Strategies for Image Analysis.
Proceedings of the Computer Analysis of Images and Patterns, 13th International Conference, 2009

Coarse-to-Fine Tracking of Articulated Objects Using a Hierarchical Spring System.
Proceedings of the Computer Analysis of Images and Patterns, 13th International Conference, 2009

2008
Tracking by Hierarchical Representation of Target Structure.
Proceedings of the Structural, 2008

A coordinate system for articulated 2D shape point correspondences.
Proceedings of the 19th International Conference on Pattern Recognition (ICPR 2008), 2008

Euclidean Eccentricity Transform by Discrete Arc Paving.
Proceedings of the Discrete Geometry for Computer Imagery, 2008

3D shape matching by geodesic eccentricity.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2008

Video Object Segmentation Using Graphs.
Proceedings of the Progress in Pattern Recognition, 2008

Delineating Homology Generators in Graph Pyramids.
Proceedings of the Progress in Pattern Recognition, 2008

2007
Multiresolution Image Segmentations in Graph Pyramids.
Proceedings of the Applied Graph Theory in Computer Vision and Pattern Recognition, 2007

Computing Homology Group Generators of Images Using Irregular Graph Pyramids.
Proceedings of the Graph-Based Representations in Pattern Recognition, 2007

Approximating TSP Solution by MST Based Graph Pyramid.
Proceedings of the Graph-Based Representations in Pattern Recognition, 2007

Computing the Eccentricity Transform of a Polygonal Shape.
Proceedings of the Progress in Pattern Recognition, 2007

Decomposition for Efficient Eccentricity Transform of Convex Shapes.
Proceedings of the Computer Analysis of Images and Patterns, 12th International Conference, 2007

2006
Contains and inside relationships within combinatorial pyramids.
Pattern Recognit., 2006

Traveling Salesman Problem: A Foveating Pyramid Model.
J. Probl. Solving, 2006

Distinguishing 3D-Topological Configurations of Two Tori.
Proceedings of the 8th International Symposium on Symbolic and Numeric Algorithms for Scientific Computing (SYNASC 2006), 2006

Considerations Regarding the Minimum Spanning Tree Pyramid Segmentation Method .
Proceedings of the Structural, 2006

Evaluating Hierarchical Graph-based Segmentation.
Proceedings of the 18th International Conference on Pattern Recognition (ICPR 2006), 2006

The Eccentricity Transform (of a Digital Shape).
Proceedings of the Discrete Geometry for Computer Imagery, 13th International Conference, 2006

Hierarchies Relating Topology and Geometry.
Proceedings of the Cognitive Vision Systems, 2006

Irregular Pyramid Segmentations with Stochastic Graph Decimation Strategies.
Proceedings of the Progress in Pattern Recognition, 2006

2005
Vision pyramids that do not grow too high.
Pattern Recognit. Lett., 2005

Grouping of Non-connected Structures by an Irregular Graph Pyramid.
Proceedings of the Pattern Recognition and Image Analysis, Second Iberian Conference, 2005

A Graph-Based Concept for Spatiotemporal Information in Cognitive Vision.
Proceedings of the Graph-Based Representations in Pattern Recognition, 2005

Inside and Outside Within Combinatorial Pyramids.
Proceedings of the Graph-Based Representations in Pattern Recognition, 2005

Evaluating Minimum Spanning Tree Based Segmentation Algorithms.
Proceedings of the Computer Analysis of Images and Patterns, 11th International Conference, 2005

2004
Editorial.
Mach. Vis. Appl., 2004

Matching Segmentation Hierarchies.
Int. J. Pattern Recognit. Artif. Intell., 2004

Segmentation Graph Hierarchies.
Proceedings of the Structural, 2004

Integral Trees: Subtree Depth and Diameter.
Proceedings of the Combinatorial Image Analysis, 10th InternationalWorkshop, 2004

The Redundancy Pyramid and Its Application to Segmentation on an Image Sequence.
Proceedings of the Pattern Recognition, 26th DAGM Symposium, August 30, 2004

Grouping and segmentation in a hierarchy of graphs.
Proceedings of the Computational Imaging II, San Jose, 2004

2003
Contraction kernels and combinatorial maps.
Pattern Recognit. Lett., 2003

Receptive fields within the Combinatorial Pyramid framework.
Graph. Model., 2003

Combinatorial pyramids.
Proceedings of the 2003 International Conference on Image Processing, 2003

Hierarchical matching of panoramic images.
Proceedings of the 12th International Conference on Image Analysis and Processing (ICIAP 2003), 2003

Functional Modeling of Structured Images.
Proceedings of the Graph Based Representations in Pattern Recognition, 2003

Constructing Stochastic Pyramids by MIDES - Maximal Independent Directed Edge Set.
Proceedings of the Graph Based Representations in Pattern Recognition, 2003

Construction of Combinatorial Pyramids.
Proceedings of the Graph Based Representations in Pattern Recognition, 2003

Homotopic Transformations of Combinatorial Maps.
Proceedings of the Discrete Geometry for Computer Imagery, 11th International Conference, 2003

Hierarchy of Partitions with Dual Graph Contraction.
Proceedings of the Pattern Recognition, 2003

2002
Hierarchical Top Down Enhancement of Robust PCA.
Proceedings of the Structural, 2002

Abstraction Pyramids on Discrete Representations.
Proceedings of the Discrete Geometry for Computer Imagery, 10th International Conference, 2002

Logarithmic Tapering Graph Pyramid.
Proceedings of the Pattern Recognition, 2002

Head Detection and Localization from Sparse 3D Data.
Proceedings of the Pattern Recognition, 2002

2001
Skeletons in the Framework of Graph Pyramids.
Proceedings of the Visual Form 2001, 4th International Workshop on Visual Form, 2001

Memory efficient fingerprint verification.
Proceedings of the 2001 International Conference on Image Processing, 2001

Image Data Catalogs.
Proceedings of the Digital Image Analysis - Selected Techniques and Applications, 2001

Graphs in Image Analysis.
Proceedings of the Digital Image Analysis - Selected Techniques and Applications, 2001

Hierarchies.
Proceedings of the Digital Image Analysis - Selected Techniques and Applications, 2001

2000
Guided Relinking of Graph Pyramids.
Proceedings of the Advances in Pattern Recognition, Joint IAPR International Workshops SSPR 2000 and SPR 2000, [8th International Workshop on Structural and Syntactic Pattern Recognition, 3rd International Workshop on Statistical Techniques in Pattern Recognition], Alicante, Spain, August 30, 2000

Irregular Pyramids with Combinatorial Maps.
Proceedings of the Advances in Pattern Recognition, Joint IAPR International Workshops SSPR 2000 and SPR 2000, [8th International Workshop on Structural and Syntactic Pattern Recognition, 3rd International Workshop on Statistical Techniques in Pattern Recognition], Alicante, Spain, August 30, 2000

Content Based Image Retrieval Using Interest Points and Texture Features.
Proceedings of the 15th International Conference on Pattern Recognition, 2000

Background Mosaic from Egomotion.
Proceedings of the 15th International Conference on Pattern Recognition, 2000

Nearness in Digital Images and Proximity Spaces.
Proceedings of the Discrete Geometry for Computer Imagery, 9th International Conference, 2000

Plane Embedding of Dually Contracted Graphs.
Proceedings of the Discrete Geometry for Computer Imagery, 9th International Conference, 2000

Introduction to Combinatorial Pyramids.
Proceedings of the Digital and Image Geometry, 2000

1999
A Minimal Line Property Preserving Representation of Line Images.
Computing, 1999

Pictorial Portrait Indexing Using View-Based Eigen-Eyes.
Proceedings of the Visual Information and Information Systems, 1999

Image Structure from Monotonic Dual Graph Contraction.
Proceedings of the Applications of Graph Transformations with Industrial Relevance, 1999

1998
The Path-Connectedness in <i>Z</i><sup>2</sup> and <i>Z</i><sup>3</sup> and Classical Topologies.
Proceedings of the Advances in Pattern Recognition, 1998

Minimizing the Topological Structure of Line Images.
Proceedings of the Advances in Pattern Recognition, 1998

Object matching on irregular pyramid.
Proceedings of the Fourteenth International Conference on Pattern Recognition, 1998

Classification of archaeological fragments using a description language.
Proceedings of the 9th European Signal Processing Conference, 1998

1997
Adaptive Stereo Matching in Correlation Scale-Space.
Proceedings of the Image Analysis and Processing, 9th International Conference, 1997

Dual Graph Contraction with LEDA.
Proceedings of the Graph Based Representations in Pattern Recognition, 1997

Digital Topologies Revisited: An Approach Based on the Topological Point-Neighbourhood.
Proceedings of the Discrete Geometry for Computer Imagery, 1997

1996
Equivalent contraction kernels to build dual irregular pyramids.
Proceedings of the Advances in Computer Vision, 1996

A revision of pyramid segmentation.
Proceedings of the 13th International Conference on Pattern Recognition, 1996

1995
Towards Higher Decimation Ratios.
Proceedings of the Computer Analysis of Images and Patterns, 6th International Conference, 1995

1994
A Syntactic Approach to Scale-Space-Based Corner Description.
IEEE Trans. Pattern Anal. Mach. Intell., 1994

Application constraints in the design of an automatic reading device for analog display instruments.
Proceedings of Second IEEE Workshop on Applications of Computer Vision, 1994

Properties of Pyramidal Representations.
Proceedings of the Theoretical Foundations of Computer Vision, 1994

Dual graph contraction for irregular pyramids.
Proceedings of the 12th IAPR International Conference on Pattern Recognition, 1994

Automatic reading of analog display instruments.
Proceedings of the 12th IAPR International Conference on Pattern Recognition, 1994

Fuzzy curve pyramid.
Proceedings of the 12th IAPR International Conference on Pattern Recognition, 1994

1993
Preserving Topology in the Irregular Curve Pyramid.
Proceedings of the Mustererkennung 1993, 1993

Iterierte Funktionensysteme - Eine Lösung des eindimensionalen inversen Problems.
Proceedings of the Mustererkennung 1993, 1993

Parallel line grouping in irregular curve pyramids.
Proceedings of the Conference on Computer Vision and Pattern Recognition, 1993

The Dual Irregular Pyramid.
Proceedings of the Computer Analysis of Images and Patterns, 5th International Conference, 1993

1992
Curve representation in different grids.
Proceedings of the Theoretical Foundations of Computer Vision, 1992

Combining pyramidal and fractal image coding.
Proceedings of the 11th IAPR International Conference on Pattern Recognition, 1992

Hierarchical curve representation.
Proceedings of the 11th IAPR International Conference on Pattern Recognition, 1992

Visualization methods for neural networks.
Proceedings of the 11th IAPR International Conference on Pattern Recognition, 1992

Multi-resolution shape description by corners.
Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition, 1992

1990
Distortion-tolerance curve of the neocognitron with various structures, including pyramid.
Proceedings of the 10th IAPR International Conference on Pattern Recognition, 1990

1989
Detecting the straightness of digital curves in <i>O</i>(<i>N</i>) steps.
Comput. Vis. Graph. Image Process., 1989

Progressive Bildübertragung mit der 3 × 3/2 Pyramide.
Proceedings of the Mustererkennung 1989, 1989

1988
Wechselwirkungen zwischen Visualisierung und Bildanalyse.
Proceedings of the Visualisierungstechniken und Algorithmen, 1988

Rezeptive Felder in Bildpyramiden.
Proceedings of the Mustererkennung 1988, 1988

1987
Curve representations in multiple resolutions.
Pattern Recognit. Lett., 1987

Elimination von "kleinen" Kurvenstücken in der 2x2/2 Kurvenpyramide.
Proceedings of the Mustererkennung 1987, 9. DAGM-Symposium, Braunschweig, 29.9., 1987

1986
Grauwert- und Kurvenpyramide, das ideale Paar.
Proceedings of the Mustererkennung 1986, 8. DAGM-Symposium, Paderborn 30. September, 1986

1985
A pyramid that grows by powers of 2.
Pattern Recognit. Lett., 1985

Kritische Fragen zur Zauberformel "Expert Vision Systeme".
Proceedings of the Mustererkennung 1985, 1985

1984
Überprüfung von Holzstrukturen in Echtzeit durch modellgestützte Datenreduktion.
Proceedings of the Mustererkennung 1984, 1984

1981
Organisation kartographischer Daten zur kenntnisgestützten Bildanalyse.
Proceedings of the Modelle und Strukturen, 1981


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