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Info
From September - February I am going to be on leave for a research internship at Facebook Reality Labs.
Research Interests
I am interested in RGB-D data processing for 3D reconstruction using variational methods, especially super-resolution and photometric techniques.
Brief Bio
I received my B.Sc. in Mathematics from the OTH Regensburg in 2013 and my M.Sc. in Mathematics in Science and Engineering from the Technical University of Munich in 2016. Since mid November 2016, I am a PhD student in the Computer Vision Group, headed by Prof. Dr. Daniel Cremers at TUM.
Publications
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Book Chapters
2020
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On the Well-Posedness of Uncalibrated Photometric Stereo Under General Lighting , Chapter in (JD Durou, M Falcone, Y Quéau, S Tozza, eds.), Springer International Publishing, 2020.
Journal Articles
2022
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A Cutting-Plane Method for Sublabel-Accurate Relaxation of Problems with Product Label Spaces , In International Journal of Computer Vision (IJCV), 2022. ([code])
2020
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Photometric Depth Super-Resolution , In IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), volume 42, 2020. ([supp] [project page])
Conference and Workshop Papers
2024
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Sparse Views, Near Light: A Practical Paradigm for Uncalibrated Point-light Photometric Stereo , In IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2024. ([supp])
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SupeRVol: Super-Resolution Shape and Reflectance Estimation in Inverse Volume Rendering , In IEEE Winter Conference on Applications of Computer Vision (WACV), 2024. ([supp])
2023
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High-Quality RGB-D Reconstruction via Multi-View Uncalibrated Photometric Stereo and Gradient-SDF , In IEEE Winter Conference on Applications of Computer Vision (WACV), 2023. ([code] )
Spotlight Presentation
2021
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Sublabel-Accurate Multilabeling Meets Product Label Spaces , In DAGM German Conference on Pattern Recognition (GCPR), 2021. ([presentation] [code])
Oral Presentation [] 
Recovering Real-world Reflectance Properties and Shading from HDR Imagery , In International Conference on 3D Vision (3DV), 2021. ([supp] [slides] [poster] [FB Research] [video])
Spotlight Presentation
2020
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Inferring Super-Resolution Depth from a Moving Light-Source Enhanced RGB-D Sensor: A Variational Approach , In IEEE Winter Conference on Applications of Computer Vision (WACV), 2020. ([poster] [presentation] [code] [cvf])
Spotlight Presentation
2019
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Variational Uncalibrated Photometric Stereo under General Lighting , In IEEE/CVF International Conference on Computer Vision (ICCV), 2019. ([supp] [poster] [matlab] [python] [cvf])
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Photometric Segmentation: Simultaneous Photometric Stereo and Masking , In International Conference on 3D Vision (3DV), 2019. ([poster] [slides])
Spotlight Presentation
2018
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Fight ill-posedness with ill-posedness: Single-shot variational depth super-resolution from shading , In IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2018. ([supp] [poster] [slides] [code] [cvf] [video])
Spotlight Presentation
2017
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Depth Super-Resolution Meets Uncalibrated Photometric Stereo , In IEEE International Conference on Computer Vision Workshops (ICCVW), 2017. ([code][slides] [cvf])
Oral Presentation at ICCV Workshop on Color and Photometry in Computer Vision
Talks
- Quebec City, Canada @ 3DV spotlight presentation of our paper "Photometric Segmentation: Simultaneous Photometric Stereo and Masking", September 17 2019
- Berlin, Germany @ Zalando Research, August 22 2019
- Caen, France @ GREYC Image Group, May 27 2019
- Salt Lake City, Utah @ CVPR spotlight presentation of our paper "Fight ill-posedness with ill-posedness: Single-shot variational depth super-resolution from shading", June 19 2018
- Bologna, Italy @ SIAM Minisymposium on Recent Trends in Photometric 3D-reconstruction, June 7 2018
Reviewing Committee
- ICCV 2019
- CVPR 2019
Student Supervision
Successfully defended works:
| Name | Project | Topic |
| Lu Sang | Master's Thesis | "A Variational Approach to Depth Super-Resolution using Multi-View Photometric Stereo" |
| Christoph Kick | Master's Thesis | "Cook-Torrance BRDF and Surface Geometry recovery under Near-Light Illumination" |
| Mohammed Brahimi | Master's Thesis | "Theoretical Analysis of the GBR and Lorentz Ambiguity of Uncalibrated Photometric Stereo" |
| Christoph Kick | Interdisciplinary Project in Mathematics | "Reflectance and geometry estimation using nonlinear optimization of the Cook-Torrance model" |
| Alok Verma | Project Management and Software Development for Medical Applications | "Depth Super-Resolution using Shape-from-Shading and Reflectance Learning" Resulting Paper (Section 4) |
Teaching
Summer 2019 - Seminar (organizer and supervisor)
Seminar: Recent Advances in 3D Computer Vision (2h / 5 ECTS)
Winter 2018/19 - Seminar (organizer and supervisor)
Seminar: Recent Advances in 3D Computer Vision (2h / 5 ECTS)
Summer 2018 - Practical Course (organizer, lecturer and tutor)
GPU Programming in Computer Vision (6h / 10 ECTS)
Winter 2017/18 - Discrete Structures (tutor)
Diskrete Strukturen
Summer 2017 - Practical Course (organizer, lecturer and tutor)
GPU Programming in Computer Vision (6h / 10 ECTS)
Connect
Find me on ResearchGate, Google Scholar, LinkedIn, Xing and GitHub
