Dr. Federico Wadehn

Work at ZHAW

Position

Senior lecturer for digital signal and image processing

Focus

• Digital signal processing with classical as well as machine and deep learning methods
• Digital image processing and computer vision
• Sensorfusion und Kalman Filtering (MEMS inertial sensing, motion capture and analysis)
• Statistical estimation with probabilistic graphical models (factor graphs, Bayesian networks, ...).
• Modeling and system identification of physiological systems (respiratory, cerebrovascular system, ... ).

Teaching

• Digital Signal Processing 1 & 2
• Digital Image Processing
• Signals and Systems
• Supervision of bachelor- und master theses

Experience

• Systems engineer for inertial sensing
  Bosch Sensortec GmbH, Reutlingen, Germany
  09 / 2021 - 08 / 2023
• Freelancer in computer vision
  Fotostiftung Graubünden
  01 / 2021 - 09 / 2021
• Research engineer in mechanical ventilation
  Hamilton Medical AG, Bonaduz, Switzerland
  01 / 2019 - 09 / 2021
• Intern quantitative finance
  Limmat Capital Alternative Investments AG, Zürich, Switzerland
  02 / 2018 - 05 / 2018
• Intern bioinformatics (PBPK blood glucose modelling)
  Bayer AG, Leverkusen, Germany
  06 / 2013 - 02 / 2014
• Teaching assistant (computer science and math)
  ETH Zürich
  02 / 2010 - 09 / 2012

Education and Continuing education

Education

• PhD / Statistical signal processing with probabilistic graphical models
  ETH Zürich
  02 / 2014 - 12 / 2018
• Teaching certificate / Didactics
  ETH Zürich and ZHAW
  09 / 2017 - 11 / 2018
• Visiting Researcher / Neuromonitoring (transcranial Doppler, intracranial pressure estimation)
  Massachusetts Institute of Technology
  02 / 2016 - 07 / 2016
• BSc and MSc / Electrical engineering and information technology
  ETH Zürich
  09 / 2009 - 02 / 2014
• Erasmus exchange programme / Control engineering and mathematical optimization
  Imperial College London, UK.
  09 / 2012 - 06 / 2013

Continuing Education

• MATLAB C Coder training
  MathWorks
  01 / 2023
• Embedded C training
  Doulos
  02 / 2021
• IBM Rational Rhapsody training in C++
  Evocean Group
  01 / 2020

Network

Membership of networks

• ZHAW Digital Health Lab
• Medical Systems platform ZHAW School of Engineering

Awards

• Study and doctoral scholarship
  German Academic Scholarship Foundation
  02 / 2014
• Abiturpreis Physik
  Deutsche Physikalische Gesellschaft
  07 / 2008

Publications before appointment at the ZHAW

• F. Wadehn, T. Weber, D. J. Mack, T. Heldt and H.-A. Loeliger, "Model-Based Separation, Detection, and Classification of Eye Movements," in IEEE Transactions on Biomedical Engineering, Feb. 2020.
• F. Wadehn and T. Heldt, "Adaptive Maximal Blood Flow Velocity Estimation From Transcranial Doppler Echos," in IEEE Journal of Translational Engineering in Health and Medicine, July 2020.
• F. Wadehn, T. Weber and H.-A. Loeliger, "State Space Models with Dynamical and Sparse Variances, and Inference by EM Message Passing," European Signal Processing Conference (Eusipco), 2019.
• H.-A. Loeliger, B. Ma, H. Malmberg and F. Wadehn, "Factor Graphs with NUV Priors and Iteratively Reweighted Descent for Sparse Least Squares and More," International Symposium on Turbo Codes & Iterative Information Processing (ISTC), 2018.
• F. Wadehn, L. Bruderer, V. Sahdeva and H.-A. Loeliger, "New square-root and diagonalized Kalman smoothers," Annual Allerton Conference on Communication, Control, and Computing, 2016.
• H.-A. Loeliger, L. Bruderer, H. Malmberg, F. Wadehn and N. Zalmai, "On sparsity by NUV-EM, Gaussian message passing, and Kalman smoothing," Information Theory and Applications Workshop (ITA), 2016.
• F. Wadehn, Y. Zhao and H.-A. Loeliger, "Heart rate estimation in photoplethysmogram signals using nonlinear model-based preprocessing," Computing in Cardiology Conference (CinC), 2015.
• F. Wadehn, D. Carnal and H.-A. Loeliger, "Estimation of heart rate and heart rate variability from pulse oximeter recordings using localized model fitting," Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2015.

Other publications

• "Ventilation device and method with spontaneous breathing phases", Federico Wadehn, Johannes Meyer, Alessandro Beda, Thomas Laubscher, Dominik Novotni. 05.04.2022, DE102022108124A1.
• "Method and ventilation apparatus for determining a respiratory-gas content in a respiratory tract during artificial ventilation", Alessandro Beda, Federico Wadehn, Johannes Meyer, Dominik Novotni, 07.02.2022, EP4288133A1.

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