Michael Häfner

39 papers B 9C 3Journal 11Unranked 16
YearRankTypeTitle / Venue / Authors
2025 — conf
Cross-Sensor and Cross-Modality Presentation Attack Detection for Hand-Based Vascular Biometrics.
IWBF
Michael Häfner, Aleksandar Radovic, Moritz Langer, Stefan Findenig, Andreas Uhl
2024 B conf
Difficulties in Using Synthetic Data for Presentation Attack Detection in Finger Vein Recognition: The Role of Model Fingerprints.
IJCB
Moritz Langer, Michael Häfner, Stefan Findenig, Alexandar Radovic, Andreas Vorderleitner, Andreas Uhl
2024 C conf
Forensic Recognition of Codec-Specific Image Compression Artefacts.
IH&MMSec
Michael Häfner, Aleksandar Radovic, Moritz Langer, Stefan Findenig, Andreas Uhl
2020 J jnl
Improving CNN training on endoscopic image data by extracting additionally training data from endoscopic videos.
Comput. Medical Imaging Graph.
Georg Wimmer, Michael Häfner, Andreas Uhl
2018 J jnl
Training of polyp staging systems using mixed imaging modalities.
Comput. Biol. Medicine
Georg Wimmer, Michael Gadermayr, Roland Kwitt, Michael Häfner, Toru Tamaki, Shigeto Yoshida, Shinji Tanaka, Dorit Merhof, Andreas Uhl
2017 — conf
Exploring texture Transfer Learning for Colonic Polyp Classification via Convolutional Neural Networks.
ISBI
Eduardo Ribeiro, Michael Häfner, Georg Wimmer, Toru Tamaki, Jens J. W. Tischendorf, Shigeto Yoshida, Shinji Tanaka, Andreas Uhl
2016 B conf
A novel filterbank especially designed for the classification of colonic polyps.
ICPR
Georg Wimmer, Andreas Uhl, Michael Häfner
2016 B conf
Colonic Polyp Classification with Convolutional Neural Networks.
CBMS
Eduardo Ribeiro, Andreas Uhl, Michael Häfner
2016 — conf
Compression Impact on LIRE-based CBIR of Colonoscopy Data.
Bildverarbeitung für die Medizin
Peter Elmer, Michael Häfner, Toru Tamaki, Shinji Tanaka, René Thaler, Andreas Uhl, Shigeto Yoshida
2016 J jnl
Directional wavelet based features for colonic polyp classification.
Medical Image Anal.
Georg Wimmer, Toru Tamaki, Jens J. W. Tischendorf, Michael Häfner, Shigeto Yoshida, Shinji Tanaka, Andreas Uhl
2016 — conf
Evaluation of i-Scan Virtual Chromoendoscopy and Traditional Chromoendoscopy for the Automated Diagnosis of Colonic Polyps.
CARE@MICCAI
Georg Wimmer, Michael Gadermayr, Roland Kwitt, Michael Häfner, Dorit Merhof, Andreas Uhl
2016 J jnl
Exploring Deep Learning and Transfer Learning for Colonic Polyp Classification.
Comput. Math. Methods Medicine
Eduardo Ribeiro, Andreas Uhl, Georg Wimmer, Michael Häfner
2016 — conf
Texture Description Using Dual Tree Complex Wavelet Packets.
PCM (1)
Michael Liedlgruber, Michael Häfner, Jutta Hämmerle-Uhl, Andreas Uhl
2016 — conf
Transfer Learning for Colonic Polyp Classification Using Off-the-Shelf CNN Features.
CARE@MICCAI
Eduardo Ribeiro, Andreas Uhl, Georg Wimmer, Michael Häfner
2015 — conf
Colonic Polyp Classification in High-Definition Video Using Complex Wavelet-Packets.
Bildverarbeitung für die Medizin
Michael Häfner, Michael Liedlgruber, Andreas Uhl
2015 — conf
Impact of Lossy Image Compression on CAD Support Systems for Colonoscopy.
CARE@MICCAI
Peter Elmer, Michael Häfner, Toru Tamaki, Shinji Tanaka, René Thaler, Andreas Uhl, Shigeto Yoshida
2015 J jnl
Local fractal dimension based approaches for colonic polyp classification.
Medical Image Anal.
Michael Häfner, Toru Tamaki, Shinji Tanaka, Andreas Uhl, Georg Wimmer, Shigeto Yoshida
2014 B conf
Bridging the Resolution Gap between Endoscope Types for a Colonic Polyp Classification.
ICPR
Michael Häfner, Michael Liedlgruber, Andreas Uhl, Georg Wimmer
2014 — conf
Comparison of Super-Resolution Methods for HD-Video Endoscopy.
Bildverarbeitung für die Medizin
Michael Häfner, Michael Liedlgruber, Andreas Uhl
2014 C conf
Evaluation of super-resolution methods in the context of colonic polyp classification.
CBMI
Michael Häfner, Michael Liedlgruber, Andreas Uhl, Georg Wimmer
2014 B conf
Shape and size adapted local fractal dimension for the classification of polyps in HD colonoscopy.
ICIP
Andreas Uhl, Georg Wimmer, Michael Häfner
2013 — conf
A Novel Shape Feature Descriptor for the Classification of Polyps in HD Colonoscopy.
MCV
Michael Häfner, Andreas Uhl, Georg Wimmer
2013 B conf
POCS-based super-resolution for HD endoscopy video frames.
CBMS
Michael Häfner, Michael Liedlgruber, Andreas Uhl
2012 J jnl
Color treatment in endoscopic image classification using multi-scale local color vector patterns.
Medical Image Anal.
Michael Häfner, Michael Liedlgruber, Andreas Uhl, Andreas Vécsei, Friedrich Wrba
2012 J jnl
Delaunay triangulation-based pit density estimation for the classification of polyps in high-magnification chromo-colonoscopy.
Comput. Methods Programs Biomed.
Michael Häfner, Michael Liedlgruber, Andreas Uhl, Andreas Vécsei, Friedrich Wrba
2012 J jnl
Endoscopic image analysis in semantic space.
Medical Image Anal.
Roland Kwitt, Nuno Vasconcelos, Nikhil Rasiwasia, Andreas Uhl, Bradley C. Davis, Michael Häfner, Friedrich Wrba
2012 B conf
Evaluation of cross-validation protocols for the classification of endoscopic images of colonic polyps.
CBMS
Michael Häfner, Michael Liedlgruber, Stefan Maimone, Andreas Uhl, Andreas Vécsei, Friedrich Wrba
2011 — conf
Learning Pit Pattern Concepts for Gastroenterological Training.
MICCAI (3)
Roland Kwitt, Nikhil Rasiwasia, Nuno Vasconcelos, Andreas Uhl, Michael Häfner, Friedrich Wrba
2011 C conf
Optimized selection of weak methods for the classification of endoscopic images using an ensemble classifier.
ISPA
Michael Häfner, Sebastian Hegenbart, Michael Liedlgruber, Andreas Uhl, Andreas Vécsei, Friedrich Wrba
2010 — conf
Classification of Endoscopic Images Using Delaunay Triangulation-Based Edge Features.
ICIAR (2)
Michael Häfner, Alfred Gangl, Michael Liedlgruber, Andreas Uhl, Andreas Vécsei, Friedrich Wrba
2010 J jnl
Computer-aided classification of zoom-endoscopical images using Fourier filters.
IEEE Trans. Inf. Technol. Biomed.
Michael Häfner, Leonhard Brunauer, Hannes Payer, Robert Resch, Alfred Gangl, Andreas Uhl, Friedrich Wrba, Andreas Vécsei
2010 B conf
Endoscopic Image Classification Using Edge-Based Features.
ICPR
Michael Häfner, Alfred Gangl, Michael Liedlgruber, Andreas Uhl, Andreas Vécsei, Friedrich Wrba
2010 — conf
Predicting the histology of colorectal lesions in a probabilistic framework.
CVPR Workshops
Roland Kwitt, Andreas Uhl, Michael Häfner, Alfred Gangl, Friedrich Wrba, Andreas Vécsei
2009 — conf
Combining Gaussian Markov random fields with the discrete-wavelet transform for endoscopic image classification.
DPS
Michael Häfner, Alfred Gangl, Michael Liedlgruber, Andreas Uhl, Andreas Vécsei, Friedrich Wrba
2009 J jnl
Computer-assisted pit-pattern classification in different wavelet domains for supporting dignity assessment of colonic polyps.
Pattern Recognit.
Michael Häfner, Roland Kwitt, Andreas Uhl, Friedrich Wrba, Alfred Gangl, Andreas Vécsei
2009 J jnl
Feature extraction from multi-directional multi-resolution image transformations for the classification of zoom-endoscopy images.
Pattern Anal. Appl.
Michael Häfner, Roland Kwitt, Andreas Uhl, Alfred Gangl, Friedrich Wrba, Andreas Vécsei
2009 — conf
Improving Pit-Pattern Classification of Endoscopy Images by a Combination of Experts.
MICCAI (1)
Michael Häfner, Alfred Gangl, Roland Kwitt, Andreas Uhl, Andreas Vécsei, Friedrich Wrba
2007 B conf
Pit Pattern Classification of Zoom-Endoscopical Colon Images Using DCT and FFT.
CBMS
Michael Häfner, Leonhard Brunauer, Hannes Payer, Robert Resch, Friedrich Wrba, Alfred Gangl, Andreas Vécsei, Andreas Uhl
2003 — conf
Navigation system for flexible endoscopes.
Image-Guided Procedures
Johann Hummel, Michael Figl, Wolfgang Birkfellner, Michael Häfner, Christian Kollmann, Helmar Bergmann