Olaf Hellwich - RankMe

166 papers A* 1A 4B 4C 33Misc 4Journal 49Unranked 68

Year	Rank	Type	Title / Venue / Authors
2026	—	`conf`	Modeling Student Engagement in the Wild: Analysis from Classroom Video. VISAPP (2) Uros Petkovic, Jonas Frenkel, Rebecca Lazarides, Olaf Hellwich
2026	—	`conf`	No Mountain, no Building, no Cue? Synthetic Data Generation of Digital Surface Models and Their Application to Visual Geo-Localization. VISAPP (2) Nicolai Skutsch, Olaf Hellwich, Frank Fuchs-Kittowski
2026	J	`jnl`	Salience-SGG: Enhancing Unbiased Scene Graph Generation with Iterative Salience Estimation. CoRR Runfeng Qu, Ole Hall, Pia Bideau, Julie Ouerfelli-Ethier, Martin Rolfs, Klaus Obermayer, Olaf Hellwich
2025	J	`jnl`	A physics-constrained deep learning framework for actual evapotranspiration estimation using ground station observations and remote sensing data. Environ. Model. Softw. Lingyue Wang, Ping Hu, Hongwei Zheng, Jie Bai, Ying Liu, Xingwen Cao, Olaf Hellwich, Tie Liu, Anming Bao, Xi Chen
2025	J	`jnl`	ClipArtGAN: An Application of Pix2Pix Generative Adversarial Network for Clip Art Generation. Multim. Tools Appl. Reham H. Elnabawy, Slim Abdennadher, Olaf Hellwich, Seif Eldawlatly
2025	J	`jnl`	Gamma-from-Mono: Road-Relative, Metric, Self-Supervised Monocular Geometry for Vehicular Applications. CoRR Gasser Elazab, Maximilian Jansen, Michael Unterreiner, Olaf Hellwich
2025	J	`jnl`	Modeling Teacher Nonverbal Immediacy: Refinement and Analysis. Adapt. Behav. Uros Petkovic, Jonas Frenkel, Olaf Hellwich, Rebecca Lazarides
2025	A	`conf`	MonoPP: Metric-Scaled Self-Supervised Monocular Depth Estimation by Planar-Parallax Geometry in Automotive Applications. WACV Gasser Elazab, Torben Gräber, Michael Unterreiner, Olaf Hellwich
2025	J	`jnl`	Mouse Lockbox Dataset: Behavior Recognition for Mice Solving Lockboxes. CoRR Patrik Reiske, Marcus N. Boon, Niek Andresen, Soledad Traverso, Katharina Hohlbaum, Lars Lewejohann, Christa Thöne-Reineke, Olaf Hellwich, Henning Sprekeler
2025	A	`conf`	Swin-∇: Gradient-Based Image Restoration from Image Sequences using Video Swin-Transformers. WACV Monika Kwiatkowski, Simon Matern, Olaf Hellwich
2025	—	`conf`	Towards Precise Geo-Localization for Outdoor Mobile Augmented Reality - State-of-the-Art in Visual Geo-Localization. XR (1) Nicolai Skutsch, Olaf Hellwich, Frank Fuchs-Kittowski
2025	J	`jnl`	Tracking Mouse from Incomplete Body-Part Observations and Deep-Learned Deformable-Mouse Model Motion-Track Constraint for Behavior Analysis. CoRR Olaf Hellwich, Niek Andresen, Katharina Hohlbaum, Marcus N. Boon, Monika Kwiatkowski, Simon Matern, Patrik Reiske, Henning Sprekeler, Christa Thöne-Reineke, Lars Lewejohann, Huma Ghani Zada, Michael Brück, Soledad Traverso
2024	J	`jnl`	An Embedded Neural Network Approach for Reinforcing Deep Learning: Advancing Hand Gesture Recognition. J. Univers. Comput. Sci. Anwar Mira, Olaf Hellwich
2024	J	`jnl`	Building an Integrative System: Enriching Gesture Language Video Recognition through the Multi-Stream of Hybrid and Improved Deep Learning Models with an Adaptive Decision System. Inteligencia Artif. Anwar Mira, Olaf Hellwich
2024	J	`jnl`	ConDL: Detector-Free Dense Image Matching. CoRR Monika Kwiatkowski, Simon Matern, Olaf Hellwich
2024	J	`jnl`	Deep learning models beyond temporal frame-wise features for hand gesture video recognition. J. Supercomput. Anwar Mira, Olaf Hellwich
2024	—	`conf`	Exploring Dimensional Collapse in Self-Supervised Video Representation Learning. Tiny Papers @ ICLR Paul Kapust, Monika Kwiatkowski, Olaf Hellwich, Patrik Reiske
2024	J	`jnl`	How Do You Perceive My Face? Recognizing Facial Expressions in Multi-Modal Context by Modeling Mental Representations. CoRR Florian Blume, Runfeng Qu, Pia Bideau, Martin Maier, Rasha Abdel Rahman, Olaf Hellwich
2024	—	`conf`	How Do You Perceive My Face? Recognizing Facial Expressions in Multi-modal Context by Modeling Mental Representations. GCPR (2) Florian Blume, Runfeng Qu, Pia Bideau, Martin Maier, Rasha Abdel Rahman, Olaf Hellwich
2024	J	`jnl`	Modeling and Locating the Wind Erosion at the Dry Bottom of the Aral Sea Based on an InSAR Temporal Decorrelation Decomposition Model. Remote. Sens. Yubin Song, Xuelian Xun, Hongwei Zheng, Xi Chen, Anming Bao, Ying Liu, Geping Luo, Jiaqiang Lei, Wenqiang Xu, Tie Liu, Olaf Hellwich, Qing Guan
2024	J	`jnl`	MonoPP: Metric-Scaled Self-Supervised Monocular Depth Estimation by Planar-Parallax Geometry in Automotive Applications. CoRR Gasser Elazab, Torben Gräber, Michael Unterreiner, Olaf Hellwich
2024	—	`conf`	Multi-Task Multi-Modal Self-Supervised Learning for Facial Expression Recognition. CVPR Workshops Marah Halawa, Florian Blume, Pia Bideau, Martin Maier, Rasha Abdel Rahman, Olaf Hellwich
2024	J	`jnl`	Multi-Task Multi-Modal Self-Supervised Learning for Facial Expression Recognition. CoRR Marah Halawa, Florian Blume, Pia Bideau, Martin Maier, Rasha Abdel Rahman, Olaf Hellwich
2024	—	`conf`	Nonverbal Immediacy Analysis in Education: A Multimodal Computational Model. SAB Uros Petkovic, Jonas Frenkel, Olaf Hellwich, Rebecca Lazarides
2024	J	`jnl`	Nonverbal Immediacy Analysis in Education: A Multimodal Computational Model. CoRR Uros Petkovic, Jonas Frenkel, Olaf Hellwich, Rebecca Lazarides
2024	—	`conf`	SIDAR: Synthetic Image Dataset for Alignment & Restoration. VISIGRAPP (3): VISAPP Monika Kwiatkowski, Simon Matern, Olaf Hellwich
2023	—	`conf`	A novel Traffic Sign Dataset with Condition Annotations. SSCI Hanni Sandhu, Joana Kühne, Oliver Sawade, Martin Stellmacher, Elmar Matthes, Olaf Hellwich
2023	B	`conf`	Calibration and Registration Method for Tomography-Based Laser-Guided Surgical Interventions using a 4-DOF Navigation Robot. CBMS Samuel Müller, Olaf Hellwich, Daniel Szymanski, Hardik Jain, Timo Krüger
2023	J	`jnl`	DIAR: Deep Image Alignment and Reconstruction using Swin Transformers. CoRR Monika Kwiatkowski, Simon Matern, Olaf Hellwich
2023	J	`jnl`	Decomposer: Semi-supervised Learning of Image Restoration and Image Decomposition. CoRR Boris Meinardus, Mariusz Trzeciakiewicz, Tim Herzig, Monika Kwiatkowski, Simon Matern, Olaf Hellwich
2023	J	`jnl`	Objects guide human gaze behavior in dynamic real-world scenes. PLoS Comput. Biol. Nicolas Roth, Martin Rolfs, Olaf Hellwich, Klaus Obermayer
2023	J	`jnl`	SIDAR: Synthetic Image Dataset for Alignment & Restoration. CoRR Monika Kwiatkowski, Simon Matern, Olaf Hellwich
2023	—	`conf`	Upper Bound Tracker: A Multi-Animal Tracking Solution for Closed Laboratory Settings. VISIGRAPP (5: VISAPP) Alexander Dolokov, Niek Andresen, Katharina Hohlbaum, Christa Thöne-Reineke, Lars Lewejohann, Olaf Hellwich
2022	J	`jnl`	A Global Meta-Analysis of Soil Salinity Prediction Integrating Satellite Remote Sensing, Soil Sampling, and Machine Learning. IEEE Trans. Geosci. Remote. Sens. Haiyang Shi, Olaf Hellwich, Geping Luo, Chunbo Chen, Huili He, Friday Uchenna Ochege, Tim Van de Voorde, Alishir Kurban, Philippe De Maeyer
2022	B	`conf`	A YOLO-based Object Simplification Approach for Visual Prostheses. CBMS Reham H. Elnabawy, Slim Abdennadher, Olaf Hellwich, Seif Eldawlatly
2022	J	`jnl`	A joint learning Im-BiLSTM model for incomplete time-series Sentinel-2A data imputation and crop classification. Int. J. Appl. Earth Obs. Geoinformation Baili Chen, Hongwei Zheng, Lili Wang, Olaf Hellwich, Chunbo Chen, Liao Yang, Tie Liu, Geping Luo, Anming Bao, Xi Chen
2022	—	`conf`	Action-Based Contrastive Learning for Trajectory Prediction. ECCV (39) Marah Halawa, Olaf Hellwich, Pia Bideau
2022	J	`jnl`	Action-based Contrastive Learning for Trajectory Prediction. CoRR Marah Halawa, Olaf Hellwich, Pia Bideau
2022	J	`jnl`	Content-Based Landmark Retrieval Combining Global and Local Features using Siamese Neural Networks. CoRR Tianyi Hu, Monika Kwiatkowski, Simon Matern, Olaf Hellwich
2022	—	`conf`	DIAR: Deep Image Alignment and Reconstruction Using Swin Transformers. VISIGRAPP (Revised Selected Papers) Monika Kwiatkowski, Simon Matern, Olaf Hellwich
2022	J	`jnl`	IMD-Net: A Deep Learning-Based Icosahedral Mesh Denoising Network. IEEE Access Jan Botsch, Hardik Jain, Olaf Hellwich
2022	J	`jnl`	Image-based Detection of Surface Defects in Concrete during Construction. CoRR Dominik Kuhnke, Monika Kwiatkowski, Olaf Hellwich
2022	—	`conf`	Specularity, Shadow, and Occlusion Removal from Image Sequences using Deep Residual Sets. VISIGRAPP (4: VISAPP) Monika Kwiatkowski, Olaf Hellwich
2021	J	`jnl`	A Power Efficiency Enhancements of a Multi-Bit Accelerator for Memory Prohibitive Deep Neural Networks. IEEE Open J. Circuits Syst. Suhas Shivapakash, Hardik Jain, Olaf Hellwich, Friedel Gerfers
2021	J	`jnl`	A modular framework for object-based saccadic decisions in dynamic scenes. CoRR Nicolas Roth, Pia Bideau, Olaf Hellwich, Martin Rolfs, Klaus Obermayer
2021	J	`jnl`	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. Haiyang Shi, Qun Pan, Geping Luo, Olaf Hellwich, Chunbo Chen, Tim Van de Voorde, Alishir Kurban, Philippe De Maeyer, Shixin Wu
2021	C	`conf`	Deep Learning Based Joint Reconstruction and Extraction of Urban Structures from Tomographic SAR Data. IGARSS Olivier D'Hondt, Olaf Hellwich
2021	—	`conf`	Electrode Dropout Compensation in Visual Prostheses: An Optimal Object Placement Approach. EMBC Reham Elnabawy, Slim Abdennadher, Olaf Hellwich, Seif Eldawlatly
2021	J	`jnl`	Fusion of Multispectral LiDAR, Hyperspectral, and RGB Data for Urban Land Cover Classification. IEEE Geosci. Remote. Sens. Lett. Ronny Hänsch, Olaf Hellwich
2021	—	`conf`	GenIcoNet: Generative Icosahedral Mesh Convolutional Network. 3DV Hardik Jain, Olaf Hellwich
2021	J	`jnl`	Pixel2point: 3D Object Reconstruction From a Single Image Using CNN and Initial Sphere. IEEE Access Ahmed J. Afifi, Jannes Magnusson, Toufique Ahmed Soomro, Olaf Hellwich
2021	—	`conf`	Synthesizing Fundus Photographies for Training Segmentation Networks. DeLTA Jannes Magnusson, Ahmed J. Afifi, Shengjia Zhang, Andreas Ley, Olaf Hellwich
2020	C	`conf`	A Power Efficient Multi-Bit Accelerator for Memory Prohibitive Deep Neural Networks. ISCAS Suhas Shivapakash, Hardik Jain, Olaf Hellwich, Friedel Gerfers
2020	J	`jnl`	Learning Disentangled Expression Representations from Facial Images. CoRR Marah Halawa, Manuel Wöllhaf, Eduardo Vellasques, Urko Sánchez Sanz, Olaf Hellwich
2020	—	`conf`	Mini V-Net: Depth Estimation from Single Indoor-Outdoor Images using Strided-CNN. VISIGRAPP (5: VISAPP) Ahmed J. Afifi, Olaf Hellwich, Toufique Ahmed Soomro
2020	—	`conf`	Patient Motion Compensation for Photogrammetric Registration. VISIGRAPP (4: VISAPP) Hardik Jain, Olaf Hellwich, Andreas Rose, Nicholas Norman, Dirk Mucha, Timo Krüger
2020	C	`conf`	Reference-Free Despeckling of Synthetic-Aperture Radar Images Using a Deep Convolutional Network. IGARSS Tim Davis, V. Jain, Andreas Ley, Olivier D'Hondt, Sébastien Valade, Olaf Hellwich
2019	—	`conf`	3D Reconstruction Under Weak Illumination Using Visibility-Enhanced LDR Imagery. CVC (1) Nader H. Aldeeb, Olaf Hellwich
2019	—	`conf`	A Digital Image Processing Pipeline for Modelling of Realistic Noise in Synthetic Images. CVPR Workshops Oleksandra Bielova, Ronny Hänsch, Andreas Ley, Olaf Hellwich
2019	A	`conf`	Colorful Trees: Visualizing Random Forests for Analysis and Interpretation. WACV Ronny Hänsch, Philipp Wiesner, Sophie Wendler, Olaf Hellwich
2019	J	`jnl`	Deep Learning Models for Retinal Blood Vessels Segmentation: A Review. IEEE Access Toufique Ahmed Soomro, Ahmed J. Afifi, Lihong Zheng, Shafiullah Soomro, Junbin Gao, Olaf Hellwich, Manoranjan Paul
2019	—	`conf`	Learning to Reconstruct Symmetric Shapes using Planar Parameterization of 3D Surface. ICCV Workshops Hardik Jain, Manuel Wöllhaf, Olaf Hellwich
2019	C	`conf`	Online Random Forests For Large-Scale Land-Use Classification From Polarimetric Sar Images. IGARSS Ronny Hänsch, Olaf Hellwich
2019	—	`conf`	Online Random Forests for Urban Area Classification from Polarimetric SAR Images. JURSE Ronny Hänsch, Olaf Hellwich
2019	J	`jnl`	Strided fully convolutional neural network for boosting the sensitivity of retinal blood vessels segmentation. Expert Syst. Appl. Toufique Ahmed Soomro, Ahmed J. Afifi, Junbin Gao, Olaf Hellwich, Lihong Zheng, Manoranjan Paul
2019	—	`conf`	Template-Based Surface Estimation Using Statistical Shape Model. SITIS Jens Krenzin, Olaf Hellwich
2019	C	`conf`	The Truth About Ground Truth: Label Noise in Human-Generated Reference Data. IGARSS Ronny Hänsch, Olaf Hellwich
2019	J	`jnl`	Towards Global Volcano Monitoring Using Multisensor Sentinel Missions and Artificial Intelligence: The MOUNTS Monitoring System. Remote. Sens. Sébastien Valade, Andreas Ley, Francesco Massimetti, Olivier D'Hondt, Marco Laiolo, Diego Coppola, David Loibl, Olaf Hellwich, Thomas R. Walter
2018	C	`conf`	A Comparative Evaluation of Polarimetric Distance Measures within the Random Forest Framework for the Classification of Polsar Images. IGARSS Ronny Hänsch, Olaf Hellwich
2018	—	`conf`	Classification of Icon Type and Cooldown State in Video Game Replays. ICIAR Jeremias Eichelbaum, Ronny Hänsch, Olaf Hellwich
2018	J	`jnl`	Classification of PolSAR Images by Stacked Random Forests. ISPRS Int. J. Geo Inf. Ronny Hänsch, Olaf Hellwich
2018	J	`jnl`	Exploiting SAR Tomography for Supervised Land-Cover Classification. Remote. Sens. Olivier D'Hondt, Ronny Hänsch, Nicolas Wagener, Olaf Hellwich
2018	C	`conf`	Feature Design for Classification from Tomosar Data. IGARSS Olivier D'Hondt, Ronny Hänsch, Olaf Hellwich
2018	—	`conf`	Leveraging the Spatial Label Structure for Semantic Image Labeling using Random Forests. VISIGRAPP (5: VISAPP) Manuel Wöllhaf, Ronny Hänsch, Olaf Hellwich
2018	J	`jnl`	Nonlocal Filtering Applied to 3-D Reconstruction of Tomographic SAR Data. IEEE Trans. Geosci. Remote. Sens. Olivier D'Hondt, Carlos López-Martínez, Stéphane Guillaso, Olaf Hellwich
2018	—	`conf`	Random Forests Based Image Colorization. VISIGRAPP (Revised Selected Papers) Helge Mohn, Mark Gaebelein, Ronny Hänsch, Olaf Hellwich
2018	—	`conf`	Reconstructing Textureless Objects - Image Enhancement for 3D Reconstruction of Weakly-Textured Surfaces. VISIGRAPP (5: VISAPP) Nader H. Aldeeb, Olaf Hellwich
2018	J	`jnl`	Regularization and Completion of TomoSAR Point Clouds in a Projected Height Map Domain. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Andreas Ley, Olivier D'Hondt, Olaf Hellwich
2018	—	`conf`	Simultaneous Object Classification and Viewpoint Estimation using Deep Multi-task Convolutional Neural Network. VISIGRAPP (5: VISAPP) Ahmed J. Afifi, Olaf Hellwich, Toufique Ahmed Soomro
2018	Misc	`conf`	Strided U-Net Model: Retinal Vessels Segmentation using Dice Loss. DICTA Toufique Ahmed Soomro, Olaf Hellwich, Ahmed J. Afifi, Manoranjan Paul, Junbin Gao, Lihong Zheng
2018	—	`conf`	Towards Image Colorization with Random Forests. VISIGRAPP (4: VISAPP) Helge Mohn, Mark Gaebelein, Ronny Hänsch, Olaf Hellwich
2017	B	`conf`	A Comparative Study of Cell Nuclei Attributed Relational Graphs for Knowledge Description and Categorization in Histopathological Gastric Cancer Whole Slide Images. CBMS Harshita Sharma, Norman Zerbe, Christine Boger, Stephan Wienert, Olaf Hellwich, Peter Hufnagl
2017	Misc	`conf`	Boosting Sensitivity of a Retinal Vessel Segmentation Algorithm with Convolutional Neural Network. DICTA Toufique Ahmed Soomro, Ahmed J. Afifi, Junbin Gao, Olaf Hellwich, Mohammad A. U. Khan, Manoranjan Paul, Lihong Zheng
2017	C	`conf`	Correct and still wrong: The relationship between sampling strategies and the estimation of the generalization error. IGARSS Ronny Hänsch, Andreas Ley, Olaf Hellwich
2017	J	`jnl`	Deep convolutional neural networks for automatic classification of gastric carcinoma using whole slide images in digital histopathology. Comput. Medical Imaging Graph. Harshita Sharma, Norman Zerbe, Iris Klempert, Olaf Hellwich, Peter Hufnagl
2017	—	`conf`	Detection and Classification of Holes in Point Clouds. VISIGRAPP (6: VISAPP) Nader H. Aldeeb, Olaf Hellwich
2017	C	`conf`	Impact of non-local filtering on 3D reconstruction from tomographic SAR data. IGARSS Olivier D'Hondt, Carlos López-Martínez, Stéphane Guillaso, Olaf Hellwich
2017	—	`conf`	Near Real-time Object Detection in RGBD Data. VISIGRAPP (5: VISAPP) Ronny Hänsch, Stefan Kaiser, Olaf Hellwich
2017	—	`ch.`	Photogrammetric Methods. Encyclopedia of GIS Olaf Hellwich
2017	C	`conf`	Regularization and completion of tomosar point clouds in a projected height map domain. IGARSS Andreas Ley, Olivier D'Hondt, Olaf Hellwich
2017	—	`conf`	Specularity, Shadow, and Occlusion Removal for Planar Objects in Stereo Case. VISIGRAPP (4: VISAPP) Irina Nurutdinova, Ronny Hänsch, Vincent Mühler, Stavroula Bourou, Alexandra I. Papadaki, Olaf Hellwich
2016	J	`jnl`	Automated image analysis for trajectory determination of single drop collisions. Comput. Chem. Eng. Johannes Kamp, Ronny Hänsch, Gregor Kendzierski, Matthias Kraume, Olaf Hellwich
2016	—	`conf`	Boundless Reconstruction Using Regularized 3D Fusion. ICETE (Selected Papers) M. A. A. Rajput, Eugen Funk, Anko Börner, Olaf Hellwich
2016	—	`conf`	Cell nuclei attributed relational graphs for efficient representation and classification of gastric cancer in digital histopathology. Digital Pathology Harshita Sharma, Norman Zerbe, Daniel Heim, Stephan Wienert, Sebastian Lohmann, Olaf Hellwich, Peter Hufnagl
2016	—	`conf`	Depth Map Based Facade Abstraction from Noisy Multi-View Stereo Point Clouds. GCPR Andreas Ley, Olaf Hellwich
2016	C	`conf`	Improving 3D face geometry by adapting reconstruction from stereo image pair to generic Morphable Model. FUSION Hardik Jain, Olaf Hellwich, R. S. Anand
2016	C	`conf`	Machine-learning based detection of corresponding interest points in optical and SAR images. IGARSS Ronny Hänsch, Olaf Hellwich, Xiaohong Tu
2016	Misc	`conf`	Object Depth Estimation from a Single Image Using Fully Convolutional Neural Network. DICTA Ahmed J. Afifi, Olaf Hellwich
2016	—	`conf`	Recursive Total Variation Filtering Based 3D Fusion. SIGMAP M. A. A. Rajput, Eugen Funk, Anko Börner, Olaf Hellwich
2016	—	`conf`	Reduction of Point Cloud Artifacts Using Shape Priors Estimated with the Gaussian Process Latent Variable Model. GCPR Jens Krenzin, Olaf Hellwich
2016	—	`conf`	SyB3R: A Realistic Synthetic Benchmark for 3D Reconstruction from Images. ECCV (7) Andreas Ley, Ronny Hänsch, Olaf Hellwich
2016	C	`conf`	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 Ronny Hänsch, Olaf Hellwich
2015	—	`conf`	A Multi-resolution Approach for Combining Visual Information using Nuclei Segmentation and Classification in Histopathological Images. VISAPP (3) Harshita Sharma, Norman Zerbe, Daniel Heim, Stephan Wienert, Hans-Michael Behrens, Olaf Hellwich, Peter Hufnagl
2015	C	`conf`	Appearance-based necrosis detection using textural features and SVM with discriminative thresholding in histopathological whole slide images. BIBE Harshita Sharma, Norman Zerbe, Iris Klempert, Sebastian Lohmann, Björn Lindequist, Olaf Hellwich, Peter Hufnagl
2015	J	`jnl`	Employing smartphone as on-board navigator in unmanned aerial vehicles: implementation and experiments. Ind. Robot Boxin Zhao, Olaf Hellwich, Tianjiang Hu, Dianle Zhou, Yifeng Niu, Lincheng Shen
2015	C	`conf`	Evaluation of tree creation methods within random forests for classification of PolSAR images. IGARSS Ronny Hänsch, Olaf Hellwich
2015	—	`conf`	Feature-independent classification of hyperspectral images by projection-based random forests. WHISPERS Ronny Hänsch, Olaf Hellwich
2015	—	`conf`	Performance Assessment and Interpretation of Random Forests by Three-dimensional Visualizations. IVAPP Ronny Hänsch, Olaf Hellwich
2015	—	`conf`	Prior Knowledge About Camera Motion for Outlier Removal in Feature Matching. VISAPP (2) Elisavet Konstantina Stathopoulou, Ronny Hänsch, Olaf Hellwich
2015	C	`conf`	SAR tomography with reduced number of tracks: Urban object reconstruction. IGARSS Stéphane Guillaso, Olivier D'Hondt, Olaf Hellwich
2015	—	`conf`	Semantic Segmentation and Model Fitting for Triangulated Surfaces using Random Jumps and Graph Cuts. VISAPP (3) Tilman Wekel, Olaf Hellwich
2014	C	`conf`	A cascaded ensemble classifier for object segmentation in high resolution polarimetric SAR data. IGARSS Marc Jäger, Andreas Reigber, Olaf Hellwich
2014	—	`conf`	Comparison of Different Color Spaces for Image Segmentation using Graph-cut. VISAPP (1) Xi Wang, Ronny Hänsch, Lizhuang Ma, Olaf Hellwich
2014	C	`conf`	Graph-cut segmentation of polarimetric SAR images. IGARSS Ronny Hänsch, Olaf Hellwich, Xi Wang
2014	C	`conf`	Risk based parameter selection for polarimetric SAR speckle reduction. IGARSS Olivier D'Hondt, Stéphane Guillaso, Olaf Hellwich
2014	C	`conf`	Urban scene reconstruction from a reduced number of tomographic SAR data. IGARSS Stéphane Guillaso, Olivier D'Hondt, Olaf Hellwich
2013	C	`conf`	Compensation for Multipath in ToF Camera Measurements Supported by Photometric Calibration and Environment Integration. ICVS Stefan Fuchs, Michael Suppa, Olaf Hellwich
2013	Misc	`conf`	Integrated Matching and Geocoding of SAR and Optical Satellite Images. IbPRIA Olaf Hellwich, Cornelius Wefelscheid, Jakub Lukaszewicz, Ronny Hänsch, Muhammad Adnan Siddique, Adam Stanski
2013	J	`jnl`	Iterative Bilateral Filtering of Polarimetric SAR Data. CoRR Olivier D'Hondt, Stéphane Guillaso, Olaf Hellwich
2013	J	`jnl`	Iterative Bilateral Filtering of Polarimetric SAR Data. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Olivier D'Hondt, Stéphane Guillaso, Olaf Hellwich
2013	—	`conf`	OpenOF - Framework for Sparse Non-linear Least Squares Optimization on a GPU. VISAPP (2) Cornelius Wefelscheid, Olaf Hellwich
2012	J	`jnl`	A New Coherent Similarity Measure for Temporal Multichannel Scene Characterization. IEEE Trans. Geosci. Remote. Sens. Esra Erten, Andreas Reigber, Laurent Ferro-Famil, Olaf Hellwich
2012	C	`conf`	Automatic extraction of geometric structures for 3D reconstruction from tomographic SAR data. IGARSS Olivier D'Hondt, Stéphane Guillaso, Olaf Hellwich
2012	C	`conf`	Automatic registration of SAR and optical images based on mutual information assisted Monte Carlo. IGARSS Muhammad Adnan Siddique, M. Saquib Sarfraz, David Bornemann, Olaf Hellwich
2012	C	`conf`	Bilateral filtering of PolSAR data based on Riemannian metrics. IGARSS Olivier D'Hondt, Stéphane Guillaso, Olaf Hellwich
2012	C	`conf`	Extraction of points of interest from SAR tomograms. IGARSS Stéphane Guillaso, Olivier D'Hondt, Olaf Hellwich
2012	—	`conf`	Impact of hierarchical structures in image categorization systems. IPTA Merza Klaghstan, Ronny Hänsch, David Coquil, Olaf Hellwich
2012	—	`conf`	Voronoi-Based Extraction of a Feature Skeleton from Noisy Triangulated Surfaces. ACCV (2) Tilman Wekel, Olaf Hellwich
2011	—	`conf`	A Robust Approach to Multi-feature Based Mesh Segmentation Using Adaptive Density Estimation. CAIP (1) Tilman Wekel, Olaf Hellwich
2011	—	`conf`	Monocular Rectangle Reconstruction - Based on Direct Linear Transformation. VISAPP Cornelius Wefelscheid, Tilman Wekel, Olaf Hellwich
2011	—	`conf`	Point based registration of high-resolution histological slices. MIUA Peter Leskovski, Olaf Hellwich
2010	C	`conf`	Aspects of multivariate statistical theorywith the application to change detection. IGARSS Esra Erten, Andreas Reigber, Olaf Hellwich
2010	J	`jnl`	Probabilistic learning for fully automatic face recognition across pose. Image Vis. Comput. M. Saquib Sarfraz, Olaf Hellwich
2010	C	`conf`	Random Forests for building detection in polarimetric SAR data. IGARSS Ronny Hänsch, Olaf Hellwich
2010	—	`conf`	Selection of an Optimal Polyhedral Surface Model Using the Minimum Description Length Principle. DAGM-Symposium Tilman Wekel, Olaf Hellwich
2009	J	`jnl`	A trifocal sensor system for 3D reconstruction of architectural models. Ann. GIS Volker Rodehorst, Matthias Heinrichs, Olaf Hellwich
2009	—	`conf`	An Accuracy Assessment of ML Texture Tracking Algorithm over Multitemporal SAR Images. IGARSS (4) Esra Erten, Andreas Reigber, Olaf Hellwich, Pau Prats
2009	—	`conf`	Bayesian Building Extraction from High Resolution Polarimetric SAR Data. IGARSS (4) Wenju He, Olaf Hellwich
2009	J	`jnl`	Glacier Velocity Monitoring by Maximum Likelihood Texture Tracking. IEEE Trans. Geosci. Remote. Sens. Esra Erten, Andreas Reigber, Olaf Hellwich, Pau Prats
2009	—	`conf`	Semi-supervised Learning for Classification of Polarimetric SAR-Data. IGARSS (3) Ronny Hänsch, Olaf Hellwich
2009	—	`conf`	Urban Areas Characterization from Polarimetric SAR Images using Hidden Markov Model. IGARSS (4) Wenju He, Marc Jäger, Olaf Hellwich
2008	—	`conf`	Comparison of Three Unsupervised Segmentation Algorithms for SAR Data in Urban Areas. IGARSS (1) Wenju He, Marc Jäger, Olaf Hellwich
2008	—	`conf`	Head Pose Estimation in Face Recognition Across Pose Scenarios. VISAPP (1) M. Saquib Sarfraz, Olaf Hellwich
2008	—	`conf`	On Head Pose Estimation in Face Recognition. VISIGRAPP (Selected Papers) M. Saquib Sarfraz, Olaf Hellwich
2008	—	`ch.`	Photogrammetric Methods. Encyclopedia of GIS Olaf Hellwich
2008	B	`conf`	Statistical appearance models for automatic pose invariant face recognition. FG M. Saquib Sarfraz, Olaf Hellwich
2007	A*	`conf`	A Benchmarking Dataset for Performance Evaluation of Automatic Surface Reconstruction Algorithms. CVPR Anke Bellmann, Olaf Hellwich, Volker Rodehorst, Ulas Yilmaz
2007	—	`conf`	Adaptive data-driven regularization for variational image restoration in the BV space. VISAPP (1) Hongwei Zheng, Olaf Hellwich
2007	A	`conf`	Discrete Regularization for Perceptual Image Segmentation via Semi-Supervised Learning and Optimal Control. ICME Hongwei Zheng, Olaf Hellwich
2007	—	`conf`	Image Statistics and Local Spatial Conditions for Nonstationary Blurred Image Reconstruction. DAGM-Symposium Hongwei Zheng, Olaf Hellwich
2007	C	`conf`	Robust measurement of glacier surface motion from multiscale speckle tracking using local constraints. IGARSS Esra Erten, Andreas Reigber, Marc Jäger, Olaf Hellwich
2007	C	`conf`	Unsupervised classification of polarimetric SAR data using graph cut optimization. IGARSS Marc Jäger, Andreas Reigber, Olaf Hellwich
2006	—	`conf`	An Edge-Driven Total Variation Approach to Image Deblurring and Denoising. ICICIC (2) Hongwei Zheng, Olaf Hellwich
2006	—	`conf`	Double Regularized Bayesian Estimation for Blur Identification in Video Sequences. ACCV (2) Hongwei Zheng, Olaf Hellwich
2006	C	`conf`	Extended Mumford-Shah Regularization in Bayesian Estimation for Blind Image Deconvolution and Segmentation. IWCIA Hongwei Zheng, Olaf Hellwich
2006	—	`conf`	Genetic Algorithm SAmple Consensus (GASAC) - A Parallel Strategy for Robust Parameter Estimation. CVPR Workshops Volker Rodehorst, Olaf Hellwich
2006	—	`conf`	Introducing Dynamic Prior Knowledge to Partially-Blurred Image Restoration. DAGM-Symposium Hongwei Zheng, Olaf Hellwich
2006	—	`conf`	Joint prior models of mumford-shah regularization for blur identification and segmentation in video sequences. VISAPP (1) Hongwei Zheng, Olaf Hellwich
2005	J	`jnl`	Fusion of remotely sensed data over urban areas. Inf. Fusion Paolo Gamba, Olaf Hellwich, Pierfrancesco Lombardo
2005	C	`conf`	Saliency and salient region detection in SAR polarimetry. IGARSS Marc Jäger, Olaf Hellwich
2005	—	`conf`	Spiders as Robust Point Descriptors. DAGM-Symposium Adam Stanski, Olaf Hellwich
2004	—	`conf`	3D Head Pose Estimation with Symmetry Based Illumination Model in Low Resolution Video. DAGM-Symposium Martin Gruendig, Olaf Hellwich
2002	C	`conf`	Determination of the rheology of Arctic glaciers using multi-temporal ERS1/2 SAR interferograms combined in a least squares adjustment. IGARSS Franz J. Meyer, Olaf Hellwich
2002	C	`conf`	Sensor and data fusion contest: test imagery to compare and combine airborne SAR and optical sensors for mapping. IGARSS Olaf Hellwich, Andreas Reigber, Hartmut Lehmann
1997	—	`—`	Linienextraktion aus SAR-Daten mit einem Markoff-Zufallsfeld-Modell. Olaf Hellwich
1996	—	`conf`	Extracting line features from synthetic aperture radar (SAR) scenes using a Markov random field model. ICIP (3) Olaf Hellwich, Helmut Mayer