Jonas F. Lotz

PhD student, Department of Computer Science, University of Copenhagen

Joined

September 2022

Names

Jonas F. Lotz (Preferred)

Emails

****@di.ku.dk (Confirmed)

,

****@gmail.com (Confirmed)

Personal Links

Semantic Scholar

Career & Education History

PhD student

Department of Computer Science, University of Copenhagen (diku.dk)

2021 – Present

Advisors, Relations & Conflicts

PhD Advisor

Present

PhD Advisor

Anders Søgaard

Present

PhD Advisor

Desmond Elliott

Present

Expertise

Agentic AI

2025 – Present

Multimodal NLP

2021 – Present

Publications

Overcoming Vocabulary Constraints with Pixel-level Fallback
Jonas F. Lotz, Hendra Setiawan, Stephan Peitz, Yova Kementchedjhieva
- TokShop
- Readers: Everyone
Overcoming Vocabulary Constraints with Pixel-level Fallback
Jonas F. Lotz, Hendra Setiawan, Stephan Peitz, Yova Kementchedjhieva
- COLM 2025
- Readers: Everyone
Text Rendering Strategies for Pixel Language Models
Jonas F. Lotz, Elizabeth Salesky, Phillip Rust, Desmond Elliott
- EMNLP 2023 Main
- Readers: Everyone
Data Curation for Image Captioning with Text-to-Image Generative Models
Wenyan Li, Jonas F. Lotz, Chen Qiu, Desmond Elliott
- Submitted to NeurIPS 2023
- Readers: Everyone
Language Modelling with Pixels
Phillip Rust, Jonas F. Lotz, Emanuele Bugliarello, Elizabeth Salesky, Miryam de Lhoneux, Desmond Elliott
- Published: 01 Feb 2023, Last Modified: 14 Jan 2026
- ICLR 2023 notable top 5%
- Readers: Everyone

Co-Authors