Dr.-Ing. Tim Polzehl

Contact +49 30 23895 1863 (Berlin)

Address (Berlin) DFKI Labor Berlin - HauptgebäudeAlt-Moabit 91cD-10559 Berlin

Publications

Speecher: Towards Privacy Ensuring Decoder Only Speech Reconstruction Through Disentanglement for German Speech Anonymization Using Any-to-Many Voice Conversion
Arnab Das; Carlos Franzreb; Suhita Ghosh; Tim Polzehl; Sebastian Möller
In: ISCA Archive. Symposium on Security and Privacy in Speech Communication (SPSC-2024), located at SPSC, ISCA, 9/2024.
Evaluating Human-Centered AI Explanations: Introduction of an XAI Evaluation Framework for Fact-Checking
Vera Schmitt; Balazs Csomor; Joachim Meyer; Luis-Felipe Villa-Arenas; Charlott Jakob; Tim Polzehl; Sebastian Möller
In: Proceedings of the 3rd ACM International Workshop on Multimedia AI against Disinformation. ACM International Workshop on Multimedia AI against Disinformation (MAD-24), ISBN 979-8-4007-05526, Association for Computing Machinery, New York, NY, USA, 2024.
Implications of Regulations on Large Generative AI Models in the Super-Election Year and the Impact on Disinformation
Vera Schmitt; Jakob Tesch; Eva Lopez; Tim Polzehl; Aljoscha Burchardt; Konstanze Neumann; Salar Mohtaj; Sebastian Möller
In: Proceedings of the Workshop on Legal and Ethical Issues in Human Language Technologies @ LREC-COLING 2024. Legal and Ethical Issues in Human Language Technologies (LEGAL-2024), located at LREC-Coling 2024, May 20, Torino, Italy, Pages 28-38, ELRA and ICCL, 2024.

VERANDA
Trustworthy anonymization of sensitive patient data for remote consultations
The primary aim of VERANDA is to explore and promote informational self-determination in the context of personal and sensitive medical data, especially among stigmatized groups. This includes…
news-polygraph
Privacy, transparency, bias-free, trustworthy multimodal disinformation fighting
In the news-polygraph project, we are developing digital methods for the media industry, with the help of which multimedia content can be checked more easily and quickly for manipulation,…
Medinym
AI-based anonymization of personal patient data in clinical text and voice databases
In the Medinym project, we are pursuing the goal of completely anonymising the speaker identity of a speaker, both on voice and on statement/semantic level, without losing emotional or diagnostic…
PYSA
Care documentation with a hybrid speech assistant
Comprehensive and accurate documentation is essential for needs-based care. In many places, the systems and processes used today for care documentation are time-consuming and prone to errors.…
Emonymous
Emonymous
Interactive intelligent speech technologies are conquering our homes. In the Emonymous project, we are pursuing the goal of completely anonymizing a speaker's identity without losing emotional and…