Research

Research topics

Digital image processing and analysis (H. S. Stiehl)
Interactive exploration of digitized documents (iXMan_Lab)

Image Processing is a longstanding research (and development) field devoted to theory, methodology, experimentation, and practice of computer-supported processing and analysis of digital-born images (e.g. from CAT or MRI scans) and digitized documents (e.g. historical manuscripts).

Key issues are e.g. modelling of 2D/3D signal structure, image quality enhancement (e.g. noise reduction or contrast enhancement), detection and representation of visual structure (e.g. edges, contours, junctions and regions), object classification, experimental performance characterization, as well as design and realization of working systems aiming at e.g. workflow support for interdiscipinary manuscript research in the Digital Humanities (see iXMan_Lab).

Recent Theses (2015-2023)

Bachelor's Theses

Dominik Hauser (2021)
Detektion gekrümmter linienartiger Texturen in digitalisierten Dokumenten mithilfe von Gabor-Filtern
1st supervisor: H. S. Stiehl, 2nd supervisor: C. Kassens

Max Lier (2021)
Realisierung eines Prototyps zur Bestimmung der Koordinaten von Verkehrsschildern auf Basis von georeferenzierten 360o Panoramabildern
1st supervisor: H. S. Stiehl, 2nd supervisor: Dr. M. Weser

Larissa Rutzen (2020)
Development and Evaluation of an Invoice Analysis System based on Machine Learning with Object Detection Networks
1st supervisor: H. S. Stiehl, 2nd supervisor: Dr. T. Baumann

Skadi Jule Dinter (2020)
Reverse Engineering of a Legacy Open-Source Visualization Tool: The Case of Met.3D
1st supervisor: H. S. Stiehl, 2nd supervisor: V. R. Sampath

Marlon Kramer (2019)
Baseline Performance Characterization of SIFT and FAST using synthetic imagery
1st supervisor: H. S. Stiehl, 2nd supervisor: V. R. Sampath

Nico Noster (2019)
Visualizing SIFT and FAST based Workflow
1st supervisor: H. S. Stiehl, 2nd supervisor: V. R. Sampath

Michael Woei Kang Huang (2019)
Gamification of Japanese Scripts with Kana Sensei
1st supervisor: V. R. Sampath, 2nd supervisor: H. S. Stiehl

Kevin Amoah (2019)
Optimizing a Fantasy Basketball Line-up: An Interactive Exploration of NBA Stats
1st supervisor: V. R. Sampath, 2nd supervisor: H. S. Stiehl

Master's Theses

Dominik Hauser (September 2023)
"From digitized watermarks in music manuscripts to binary point clouds" (working title)
1st supervisor: H. S. Stiehl, 2nd supervisor: Dr. G. Koliander, ÖAW, Wien

Larissa Rutzen (September 2023)
"Information Extraction from Historical Registers: A Systematic Analysis of Matriculation Books as a Use Case"
1st supervisor: H. S. Stiehl, 2nd supervisor: Dr. L. Hotz, HITeC

Christopher Kassens (2020)
Gabor Wavelets based Detection and Description of Repetitive Line-like Textures in Digitized Documents: Theory and Experiments
1st supervisor: H. S. Stiehl, 2nd supervisor: V. R. Sampath

Parth Sarthi Pandey (2020)
An Interactive Experimental System for Computational Analysis of charaktêres Using Visual Programming
1st supervisor: H. S. Stiehl, 2nd supervisor: V. R. Sampath

Tim Christopher Hahn (2019)
Computational Analysis of Characteres in Digitized Manuscripts: A Proof of Concept
1st supervisor: H. S. Stiehl, 2nd supervisor: Dr. Michael Kohs, Faculty of Humanities

Matthis Hauschild (2016)
Design and realization of a browser-based system for the analysis of digitized manuscripts
1st supervisor: H. S. Stiehl, 2nd supervisor: Dr. Benjamin Seppke

Doctoral Dissertations

Jonas Luft (September 2023)
"Automatische Georeferenzierung von Altkarten (Automatic Georeferencing of Historical Maps)"
Dissertation, HafenCity University (HCU) Hamburg
Joint Supervision: Prof. Dr.-Ing. Jochen Schiewe, Geo-Informatics and Geo-Visualization Lab, HCU Hamburg and Prof. Dr.-Ing. H. Siegfried Stiehl

Alessio Azzutti (Fall 2023)
"Artificial Intelligence and Market Manipulation: Challenges in the Governance of Algorithmic Trading and the Regulation of Market Conduct"
Dissertation, Faculty of Law
Joint Supervision: Prof. Dr. Wolf-Georg Ringe, Faculty of Law and Prof. Dr.-Ing. H. Siegfried Stiehl, Department of Informatics

Jasper Ulenaers (approx. spring/summer 2023)
"Protecting Children's Rights from and Empowering Children through Artificial Intelligence: Some Novel Perspectives on the Interplay of Technology, Law, and Society"
Dissertation, Faculty of Law
Joint Supervision: Prof. Dr. Markus Kotzur, LL.M. (Duke University), Faculty of Law and Prof. Dr.-Ing. H. Siegfried Stiehl

Esther Dietrich (submitted; spring 2023)
"Deep learning-based discrete-time survival prediction on prostate cancer histopathology images"
Dissertation, Department of Informatics
Joint Supervison: Prof. Stefan Bonn, Institute of Medical Systems Biology, Center for Molecular Neurobiology Hamburg (ZMNH), University Hospital Eppendorf (UKE) and Prof. Dr.-Ing. H. Siegfried Stiehl

Hussein Adnan Mohammed (2019)
Computational Analysis of Writing Style in Digitised Manuscripts
Dissertation, Department of Informatics

1st evaluator: H. S. Stiehl
2nd evaluator: V. Maergner
3rd evaluator: N. Vincent

Dissertation:
https://ediss.sub.uni-hamburg.de/volltexte/2019/9730/pdf/Dissertation.pdf

See also: Handwriting Analysis Tool v3.0 (HAT3)
https://www.fdr.uni-hamburg.de/record/902#.XptAd8gzaUk#.XptAd8gzaUk

Rainer Herzog (2018)
Ein generischer Ansatz zur digitalen Layoutanalyse von Manuskripten
Dissertation, Department of Informatics
https://ediss.sub.uni-hamburg.de/volltexte/2019/10058/pdf/Dissertation.pdf

1st evaluator: B. Neumann
2nd evaluator: H. S. Stiehl
3rd evaluator: L. Dreschler-Fischer