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FabianHoerst/README.md

Hi there, I'm Fabian Hörst, PhD!

Senior Applied AI/ML and Software Engineer

Linkedin: Fabian Hörst

About me...

Applied Machine Learning and AI Engineer with a focus on building production-ready deep learning systems. Experience spans model development, data analysis, and integration of ML components into larger software ecosystems, including regulated environments like medical software (IVDR CE).

Main interest lies in end-to-end machine learning systems: from data pipelines and model training to deployment, monitoring, and long-term maintainability. Strong emphasis on translating research ideas into robust implementations that operate under real-world constraints, particularly in high-resolution computer vision and multi-task learning settings.

Key skills: Designing Deep Learning models in with , and deployment using .

Summary of Toolstack

  • Transformer-based and convolutional architectures for computer vision
  • Instance segmentation, detection, and spatiotemporal modeling
  • Multi-task learning and representation learning under limited supervision
  • MLOps workflows for reproducible training and deployment pipelines
  • Containerized ML systems and service-oriented architectures
  • Data engineering for large-scale imaging and structured datasets
  • Model serving, optimization, and inference efficiency in production
  • Integration of ML systems into backend and clinical software environments
  • NLP/LLMs using Langchain
  • API and backend development for ML systems (FastAPI/Django, RESTful service design)

Soft Skills

  • Leading interdisciplinary AI and software engineering teams
  • Translating research concepts into production-ready systems
  • Stakeholder communication across engineering, clinical, and research domains
  • Agile project coordination and technical mentoring
  • Strong focus on pragmatic problem solving and maintainable system design

Selected Projects

CellViT / CellViT++ Transformer-based deep learning architectures for instance segmentation and classification in high-resolution image data. Focus on scalable inference, architectural efficiency, and deployment-oriented design patterns. Work includes adaptation of modern foundation-model concepts to dense prediction tasks. More than 500 ⭐'s

image ### Clinical AI Software & Laboratory Information Systems

Development of AI-integrated software systems for digital pathology workflows, including integration of machine learning modules into laboratory information systems and clinical backend architectures. Focus on interoperability, deployment reliability, and software engineering under regulatory constraints (MDR/IVDR and EU AI Act context).

Publications

Peer-reviewed contributions in machine learning and medical imaging in digital pathology and radiology: Full list: https://scholar.google.de/citations?user=FFNSvqkAAAAJ&hl=de&oi=ao

Demo

image

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  1. TIO-IKIM/valuing-vicinity TIO-IKIM/valuing-vicinity Public

    Valuing Vicinity: Memory attention framework for context-based semantic segmentation in histopathology

    Python 10

  2. TIO-IKIM/CellViT TIO-IKIM/CellViT Public

    CellViT: Vision Transformers for Precise Cell Segmentation and Classification

    Python 383 73

  3. TIO-IKIM/PathoPatcher TIO-IKIM/PathoPatcher Public

    PathoPatcher is a Python project designed for accelerating Whole Slide Image Preprocessing, employing AI-based preprocessing techniques with features like annotation handling, color normalization, …

    Python 11 8

  4. TIO-IKIM/CellViT-plus-plus TIO-IKIM/CellViT-plus-plus Public

    Python 209 49

  5. TIO-IKIM/CellViT-Inference TIO-IKIM/CellViT-Inference Public

    Python 14 4

  6. python-template python-template Public template

    Python Template with some initial setups for code style and linting, as well as pre-commit checks

    CSS