Using a 2DST waveguide for usable, physically constrained out-of-band Wi-Fi authentication. - Matthias Budde; Marcel Köpke; Matthias Berning; Till Riedel; Michael Beigl (UbiComp, 2013)

A Comparative Study to Evaluate the Usability of Context-Based Wi-Fi Access Mechanisms. - Matthias Budde; Till Riedel; Marcel Köpke; Matthias Berning; Michael Beigl (HCI (6), 2014)

Robust in-situ data reconstruction from poisson noise for low-cost, mobile, non-expert environmental sensing. - Matthias Budde; Marcel Köpke; Michael Beigl (ISWC, 2015)

VOCNEA: sleep apnea and hypopnea detection using a novel tiny gas sensor. - Tobias Röddiger; Michael Beigl; Marcel Köpke; Matthias Budde (UbiComp, 2018)

SmartAQnet - neuer smarter Weg zur räumlichen Erfassung von FeinstaubSmartAQnet - New Smart Way for Spatial Detection of Fine Dust. - Stefan Hinterreiter; Matthias Budde; Klaus Schäfer; Johannes Riesterer; Till Riedel; Marcel Köpke; Josef Cyrys; Stefan Emeis; Thomas Gratza; Marcus Hank; Andreas Philipp; Erik Petersen; et al. (AGIT Journal Angew. Geoinformatik, 2018)

FeinPhone: Low-cost Smartphone Camera-based 2D Particulate Matter Sensor. - Matthias Budde; Simon Leiner; Marcel Köpke; Johannes Riesterer; Till Riedel; Michael Beigl (Sensors, 2019)

Calibration of Low-Cost Particulate Matter Sensors with Elastic Weight Consolidation (EWC) as an Incremental Deep Learning Method. - Rainer Schlund; Johannes Riesterer; Marcel Köpke; Michal Kowalski; Paul Tremper; Matthias Budde; Michael Beigl (SmartCity360°, 2020)