Olaf Hellwich

ORCID

Publication Activity (10 Years)

Years Active: 1996-2023
Publications (10 Years): 82

Top Venues

IGARSS

CoRR

VISIGRAPP (5: VISAPP)

VISIGRAPP (4: VISAPP)

Technical University Munich (PHD)

Education History

Technical University Munich

PHD

Publications

Samuel Müller, Olaf Hellwich, Daniel Szymanski, Hardik Jain, Timo Krüger
Calibration and Registration Method for Tomography-Based Laser-Guided Surgical Interventions using a 4-DOF Navigation Robot. CBMS (2023)
Alexander Dolokov, Niek Andresen, Katharina Hohlbaum, Christa Thöne-Reineke, Lars Lewejohann, Olaf Hellwich
Upper Bound Tracker: A Multi-Animal Tracking Solution for Closed Laboratory Settings. VISIGRAPP (5: VISAPP) (2023)
Monika Kwiatkowski, Simon Matern, Olaf Hellwich
SIDAR: Synthetic Image Dataset for Alignment & Restoration. CoRR (2023)
Monika Kwiatkowski, Simon Matern, Olaf Hellwich
DIAR: Deep Image Alignment and Reconstruction using Swin Transformers. CoRR (2023)
Hanni Sandhu, Joana Kühne, Oliver Sawade, Martin Stellmacher, Elmar Matthes, Olaf Hellwich
A novel Traffic Sign Dataset with Condition Annotations. SSCI (2023)
Boris Meinardus, Mariusz Trzeciakiewicz, Tim Herzig, Monika Kwiatkowski, Simon Matern, Olaf Hellwich
Decomposer: Semi-supervised Learning of Image Restoration and Image Decomposition. CoRR (2023)
Jan Botsch, Hardik Jain, Olaf Hellwich
IMD-Net: A Deep Learning-Based Icosahedral Mesh Denoising Network. IEEE Access 10 (2022)
Baili Chen, Hongwei Zheng, Lili Wang, Olaf Hellwich, Chunbo Chen, Liao Yang, Tie Liu, Geping Luo, Anming Bao, Xi Chen
A joint learning Im-BiLSTM model for incomplete time-series Sentinel-2A data imputation and crop classification. Int. J. Appl. Earth Obs. Geoinformation 108 (2022)
Dominik Kuhnke, Monika Kwiatkowski, Olaf Hellwich
Image-based Detection of Surface Defects in Concrete during Construction. CoRR (2022)
Haiyang Shi, Olaf Hellwich, Geping Luo, Chunbo Chen, Huili He, Friday Uchenna Ochege, Tim Van de Voorde, Alishir Kurban, Philippe De Maeyer
A Global Meta-Analysis of Soil Salinity Prediction Integrating Satellite Remote Sensing, Soil Sampling, and Machine Learning. IEEE Trans. Geosci. Remote. Sens. 60 (2022)
Reham H. Elnabawy, Slim Abdennadher, Olaf Hellwich, Seif Eldawlatly
A YOLO-based Object Simplification Approach for Visual Prostheses. CBMS (2022)
Monika Kwiatkowski, Olaf Hellwich
Specularity, Shadow, and Occlusion Removal from Image Sequences using Deep Residual Sets. VISIGRAPP (4: VISAPP) (2022)
Tianyi Hu, Monika Kwiatkowski, Simon Matern, Olaf Hellwich
Content-Based Landmark Retrieval Combining Global and Local Features using Siamese Neural Networks. CoRR (2022)
Marah Halawa, Olaf Hellwich, Pia Bideau
Action-based Contrastive Learning for Trajectory Prediction. CoRR (2022)
Marah Halawa, Olaf Hellwich, Pia Bideau
Action-Based Contrastive Learning for Trajectory Prediction. ECCV (39) (2022)
Suhas Shivapakash, Hardik Jain, Olaf Hellwich, Friedel Gerfers
A Power Efficiency Enhancements of a Multi-Bit Accelerator for Memory Prohibitive Deep Neural Networks. IEEE Open J. Circuits Syst. 2 (2021)
Hardik Jain, Olaf Hellwich
GenIcoNet: Generative Icosahedral Mesh Convolutional Network. 3DV (2021)
Ronny Hänsch, Olaf Hellwich
Fusion of Multispectral LiDAR, Hyperspectral, and RGB Data for Urban Land Cover Classification. IEEE Geosci. Remote. Sens. Lett. 18 (2) (2021)
Reham Elnabawy, Slim Abdennadher, Olaf Hellwich, Seif Eldawlatly
Electrode Dropout Compensation in Visual Prostheses: An Optimal Object Placement Approach. EMBC (2021)
Olivier D'Hondt, Olaf Hellwich
Deep Learning Based Joint Reconstruction and Extraction of Urban Structures from Tomographic SAR Data. IGARSS (2021)
Nicolas Roth, Pia Bideau, Olaf Hellwich, Martin Rolfs, Klaus Obermayer
A modular framework for object-based saccadic decisions in dynamic scenes. CoRR (2021)
Jannes Magnusson, Ahmed J. Afifi, Shengjia Zhang, Andreas Ley, Olaf Hellwich
Synthesizing Fundus Photographies for Training Segmentation Networks. DeLTA (2021)
Ahmed J. Afifi, Jannes Magnusson, Toufique Ahmed Soomro, Olaf Hellwich
Pixel2point: 3D Object Reconstruction From a Single Image Using CNN and Initial Sphere. IEEE Access 9 (2021)
Haiyang Shi, Qun Pan, Geping Luo, Olaf Hellwich, Chunbo Chen, Tim Van de Voorde, Alishir Kurban, Philippe De Maeyer, Shixin Wu
Analysis of the Impacts of Environmental Factors on Rat Hole Density in the Northern Slope of the Tienshan Mountains with Satellite Remote Sensing Data. Remote. Sens. 13 (22) (2021)
Suhas Shivapakash, Hardik Jain, Olaf Hellwich, Friedel Gerfers
A Power Efficient Multi-Bit Accelerator for Memory Prohibitive Deep Neural Networks. ISCAS (2020)
T. Davis, V. Jain, Andreas Ley, Olivier D'Hondt, Sébastien Valade, Olaf Hellwich
Reference-Free Despeckling of Synthetic-Aperture Radar Images Using a Deep Convolutional Network. IGARSS (2020)
Hardik Jain, Olaf Hellwich, Andreas Rose, Nicholas Norman, Dirk Mucha, Timo Krüger
Patient Motion Compensation for Photogrammetric Registration. VISIGRAPP (4: VISAPP) (2020)
Ahmed J. Afifi, Olaf Hellwich, Toufique Ahmed Soomro
Mini V-Net: Depth Estimation from Single Indoor-Outdoor Images using Strided-CNN. VISIGRAPP (5: VISAPP) (2020)
Marah Halawa, Manuel Wöllhaf, Eduardo Vellasques, Urko Sánchez Sanz, Olaf Hellwich
Learning Disentangled Expression Representations from Facial Images. CoRR (2020)
Ronny Hänsch, Philipp Wiesner, Sophie Wendler, Olaf Hellwich
Colorful Trees: Visualizing Random Forests for Analysis and Interpretation. WACV (2019)
Nader H. Aldeeb, Olaf Hellwich
3D Reconstruction Under Weak Illumination Using Visibility-Enhanced LDR Imagery. CVC (1) (2019)
Toufique Ahmed Soomro, Ahmed J. Afifi, Junbin Gao, Olaf Hellwich, Lihong Zheng, Manoranjan Paul
Strided fully convolutional neural network for boosting the sensitivity of retinal blood vessels segmentation. Expert Syst. Appl. 134 (2019)
Jens Krenzin, Olaf Hellwich
Template-Based Surface Estimation Using Statistical Shape Model. SITIS (2019)
Sébastien Valade, Andreas Ley, Francesco Massimetti, Olivier D'Hondt, Marco Laiolo, Diego Coppola, David Loibl, Olaf Hellwich, Thomas R. Walter
Towards Global Volcano Monitoring Using Multisensor Sentinel Missions and Artificial Intelligence: The MOUNTS Monitoring System. Remote. Sens. 11 (13) (2019)
Toufique Ahmed Soomro, Ahmed J. Afifi, Lihong Zheng, Shafiullah Soomro, Junbin Gao, Olaf Hellwich, Manoranjan Paul
Deep Learning Models for Retinal Blood Vessels Segmentation: A Review. IEEE Access 7 (2019)
Ronny Hänsch, Olaf Hellwich
Online Random Forests For Large-Scale Land-Use Classification From Polarimetric Sar Images. IGARSS (2019)
Hardik Jain, Manuel Wöllhaf, Olaf Hellwich
Learning to Reconstruct Symmetric Shapes using Planar Parameterization of 3D Surface. ICCV Workshops (2019)
Ronny Hänsch, Olaf Hellwich
Online Random Forests for Urban Area Classification from Polarimetric SAR Images. JURSE (2019)
Ronny Hänsch, Olaf Hellwich
The Truth About Ground Truth: Label Noise in Human-Generated Reference Data. IGARSS (2019)
Oleksandra Bielova, Ronny Hänsch, Andreas Ley, Olaf Hellwich
A Digital Image Processing Pipeline for Modelling of Realistic Noise in Synthetic Images. CVPR Workshops (2019)
Andreas Ley, Olivier D'Hondt, Olaf Hellwich
Regularization and Completion of TomoSAR Point Clouds in a Projected Height Map Domain. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 11 (6) (2018)
Ahmed J. Afifi, Olaf Hellwich, Toufique Ahmed Soomro
Simultaneous Object Classification and Viewpoint Estimation using Deep Multi-task Convolutional Neural Network. VISIGRAPP (5: VISAPP) (2018)
Ronny Hänsch, Olaf Hellwich
A Comparative Evaluation of Polarimetric Distance Measures within the Random Forest Framework for the Classification of Polsar Images. IGARSS (2018)
Olivier D'Hondt, Ronny Hänsch, Nicolas Wagener, Olaf Hellwich
Exploiting SAR Tomography for Supervised Land-Cover Classification. Remote. Sens. 10 (11) (2018)
Helge Mohn, Mark Gaebelein, Ronny Hänsch, Olaf Hellwich
Towards Image Colorization with Random Forests. VISIGRAPP (4: VISAPP) (2018)
Jeremias Eichelbaum, Ronny Hänsch, Olaf Hellwich
Classification of Icon Type and Cooldown State in Video Game Replays. ICIAR (2018)
Helge Mohn, Mark Gaebelein, Ronny Hänsch, Olaf Hellwich
Random Forests Based Image Colorization. VISIGRAPP (Revised Selected Papers) (2018)
Olivier D'Hondt, Ronny Hänsch, Olaf Hellwich
Feature Design for Classification from Tomosar Data. IGARSS (2018)
Olivier D'Hondt, Carlos López-Martínez, Stéphane Guillaso, Olaf Hellwich
Nonlocal Filtering Applied to 3-D Reconstruction of Tomographic SAR Data. IEEE Trans. Geosci. Remote. Sens. 56 (1) (2018)
Toufique Ahmed Soomro, Olaf Hellwich, Ahmed J. Afifi, Manoranjan Paul, Junbin Gao, Lihong Zheng
Strided U-Net Model: Retinal Vessels Segmentation using Dice Loss. DICTA (2018)
Manuel Wöllhaf, Ronny Hänsch, Olaf Hellwich
Leveraging the Spatial Label Structure for Semantic Image Labeling using Random Forests. VISIGRAPP (5: VISAPP) (2018)
Ronny Hänsch, Olaf Hellwich
Classification of PolSAR Images by Stacked Random Forests. ISPRS Int. J. Geo Inf. 7 (2) (2018)
Nader H. Aldeeb, Olaf Hellwich
Reconstructing Textureless Objects - Image Enhancement for 3D Reconstruction of Weakly-Textured Surfaces. VISIGRAPP (5: VISAPP) (2018)
Harshita Sharma, Norman Zerbe, Iris Klempert, Olaf Hellwich, Peter Hufnagl
Deep convolutional neural networks for automatic classification of gastric carcinoma using whole slide images in digital histopathology. Comput. Medical Imaging Graph. 61 (2017)
Irina Nurutdinova, Ronny Hänsch, Vincent Mühler, Stavroula Bourou, Alexandra I. Papadaki, Olaf Hellwich
Specularity, Shadow, and Occlusion Removal for Planar Objects in Stereo Case. VISIGRAPP (4: VISAPP) (2017)
Harshita Sharma, Norman Zerbe, Christine Boger, Stephan Wienert, Olaf Hellwich, Peter Hufnagl
A Comparative Study of Cell Nuclei Attributed Relational Graphs for Knowledge Description and Categorization in Histopathological Gastric Cancer Whole Slide Images. CBMS (2017)
Toufique Ahmed Soomro, Ahmed J. Afifi, Junbin Gao, Olaf Hellwich, Mohammad A. U. Khan, Manoranjan Paul, Lihong Zheng
Boosting Sensitivity of a Retinal Vessel Segmentation Algorithm with Convolutional Neural Network. DICTA (2017)
Ronny Hänsch, Stefan Kaiser, Olaf Hellwich
Near Real-time Object Detection in RGBD Data. VISIGRAPP (5: VISAPP) (2017)
Andreas Ley, Olivier D'Hondt, Olaf Hellwich
Regularization and completion of tomosar point clouds in a projected height map domain. IGARSS (2017)
Olivier D'Hondt, Carlos López-Martínez, Stéphane Guillaso, Olaf Hellwich
Impact of non-local filtering on 3D reconstruction from tomographic SAR data. IGARSS (2017)
Nader H. Aldeeb, Olaf Hellwich
Detection and Classification of Holes in Point Clouds. VISIGRAPP (6: VISAPP) (2017)
Ronny Hänsch, Andreas Ley, Olaf Hellwich
Correct and still wrong: The relationship between sampling strategies and the estimation of the generalization error. IGARSS (2017)
Harshita Sharma, Norman Zerbe, Daniel Heim, Stephan Wienert, Sebastian Lohmann, Olaf Hellwich, Peter Hufnagl
Cell nuclei attributed relational graphs for efficient representation and classification of gastric cancer in digital histopathology. Medical Imaging: Digital Pathology (2016)
Ronny Hänsch, Olaf Hellwich
When to fuse what? random forest based fusion of low-, mid-, and high-level information for land cover classification from optical and SAR images. IGARSS (2016)
Jens Krenzin, Olaf Hellwich
Reduction of Point Cloud Artifacts Using Shape Priors Estimated with the Gaussian Process Latent Variable Model. GCPR (2016)
Andreas Ley, Olaf Hellwich
Depth Map Based Facade Abstraction from Noisy Multi-View Stereo Point Clouds. GCPR (2016)
M. A. A. Rajput, Eugen Funk, Anko Börner, Olaf Hellwich
Recursive Total Variation Filtering Based 3D Fusion. SIGMAP (2016)
M. A. A. Rajput, Eugen Funk, Anko Börner, Olaf Hellwich
Boundless Reconstruction Using Regularized 3D Fusion. ICETE (Selected Papers) (2016)
Ahmed J. Afifi, Olaf Hellwich
Object Depth Estimation from a Single Image Using Fully Convolutional Neural Network. DICTA (2016)
Andreas Ley, Ronny Hänsch, Olaf Hellwich
SyB3R: A Realistic Synthetic Benchmark for 3D Reconstruction from Images. ECCV (7) (2016)
Hardik Jain, Olaf Hellwich, R. S. Anand
Improving 3D face geometry by adapting reconstruction from stereo image pair to generic Morphable Model. FUSION (2016)
Ronny Hänsch, Olaf Hellwich, Xiaohong Tu
Machine-learning based detection of corresponding interest points in optical and SAR images. IGARSS (2016)
Johannes Kamp, Ronny Hänsch, Gregor Kendzierski, Matthias Kraume, Olaf Hellwich
Automated image analysis for trajectory determination of single drop collisions. Comput. Chem. Eng. 89 (2016)
Tilman Wekel, Olaf Hellwich
Semantic Segmentation and Model Fitting for Triangulated Surfaces using Random Jumps and Graph Cuts. VISAPP (3) (2015)
Ronny Hänsch, Olaf Hellwich
Performance Assessment and Interpretation of Random Forests by Three-dimensional Visualizations. IVAPP (2015)
Stéphane Guillaso, Olivier D'Hondt, Olaf Hellwich
SAR tomography with reduced number of tracks: Urban object reconstruction. IGARSS (2015)
Elisavet Konstantina Stathopoulou, Ronny Hänsch, Olaf Hellwich
Prior Knowledge About Camera Motion for Outlier Removal in Feature Matching. VISAPP (2) (2015)
Boxin Zhao, Olaf Hellwich, Tianjiang Hu, Dianle Zhou, Yifeng Niu, Lincheng Shen
Employing smartphone as on-board navigator in unmanned aerial vehicles: implementation and experiments. Ind. Robot 42 (4) (2015)
Ronny Hänsch, Olaf Hellwich
Feature-independent classification of hyperspectral images by projection-based random forests. WHISPERS (2015)
Harshita Sharma, Norman Zerbe, Iris Klempert, Sebastian Lohmann, Björn Lindequist, Olaf Hellwich, Peter Hufnagl
Appearance-based necrosis detection using textural features and SVM with discriminative thresholding in histopathological whole slide images. BIBE (2015)
Ronny Hänsch, Olaf Hellwich
Evaluation of tree creation methods within random forests for classification of PolSAR images. IGARSS (2015)
Harshita Sharma, Norman Zerbe, Daniel Heim, Stephan Wienert, Hans-Michael Behrens, Olaf Hellwich, Peter Hufnagl
A Multi-resolution Approach for Combining Visual Information using Nuclei Segmentation and Classification in Histopathological Images. VISAPP (3) (2015)
Ronny Hänsch, Olaf Hellwich, Xi Wang
Graph-cut segmentation of polarimetric SAR images. IGARSS (2014)
Stéphane Guillaso, Olivier D'Hondt, Olaf Hellwich
Urban scene reconstruction from a reduced number of tomographic SAR data. IGARSS (2014)
Olivier D'Hondt, Stéphane Guillaso, Olaf Hellwich
Risk based parameter selection for polarimetric SAR speckle reduction. IGARSS (2014)
Marc Jäger, Andreas Reigber, Olaf Hellwich
A cascaded ensemble classifier for object segmentation in high resolution polarimetric SAR data. IGARSS (2014)
Xi Wang, Ronny Hänsch, Lizhuang Ma, Olaf Hellwich
Comparison of Different Color Spaces for Image Segmentation using Graph-cut. VISAPP (1) (2014)
Stefan Fuchs, Michael Suppa, Olaf Hellwich
Compensation for Multipath in ToF Camera Measurements Supported by Photometric Calibration and Environment Integration. ICVS (2013)
Olivier D'Hondt, Stéphane Guillaso, Olaf Hellwich
Iterative Bilateral Filtering of Polarimetric SAR Data. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 6 (3) (2013)
Olivier D'Hondt, Stéphane Guillaso, Olaf Hellwich
Iterative Bilateral Filtering of Polarimetric SAR Data. CoRR (2013)
Cornelius Wefelscheid, Olaf Hellwich
OpenOF - Framework for Sparse Non-linear Least Squares Optimization on a GPU. VISAPP (2) (2013)
Olaf Hellwich, Cornelius Wefelscheid, Jakub Lukaszewicz, Ronny Hänsch, Muhammad Adnan Siddique, Adam Stanski
Integrated Matching and Geocoding of SAR and Optical Satellite Images. IbPRIA (2013)
Esra Erten, Andreas Reigber, Laurent Ferro-Famil, Olaf Hellwich
A New Coherent Similarity Measure for Temporal Multichannel Scene Characterization. IEEE Trans. Geosci. Remote. Sens. 50 (7) (2012)
Olivier D'Hondt, Stéphane Guillaso, Olaf Hellwich
Bilateral filtering of PolSAR data based on Riemannian metrics. IGARSS (2012)
Tilman Wekel, Olaf Hellwich
Voronoi-Based Extraction of a Feature Skeleton from Noisy Triangulated Surfaces. ACCV (2) (2012)
Olivier D'Hondt, Stéphane Guillaso, Olaf Hellwich
Automatic extraction of geometric structures for 3D reconstruction from tomographic SAR data. IGARSS (2012)
Merza Klaghstan, Ronny Hänsch, David Coquil, Olaf Hellwich
Impact of hierarchical structures in image categorization systems. IPTA (2012)
Stéphane Guillaso, Olivier D'Hondt, Olaf Hellwich
Extraction of points of interest from SAR tomograms. IGARSS (2012)
Muhammad Adnan Siddique, M. Saquib Sarfraz, David Bornemann, Olaf Hellwich
Automatic registration of SAR and optical images based on mutual information assisted Monte Carlo. IGARSS (2012)
Tilman Wekel, Olaf Hellwich
A Robust Approach to Multi-feature Based Mesh Segmentation Using Adaptive Density Estimation. CAIP (1) (2011)

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Publication Activity (10 Years)

Top Topics

Top Venues

Olaf Hellwich