Prof. Dr.-Ing. Bert Arnrich

Kristina Kirsten

Research Assistant, PhD Candidate

Phone: +49-(0)331 5509-4854

Room: G-2.1.13

Email: kristina.kirsten(at)hpi.de­


Personal Information

  • since April 2019: Research Assistant and PhD Candidate 
  • 2017 - 2019: IT-Consultant & Full-Stack Software Developer at PricewaterhouseCoopers GmbH, Berlin
  • 2013 - 2017: IT Systems Engineering (M.Sc.), Hasso Plattner Institute, Potsdam
  • 2010 - 2013: International Media and Computing (B.Sc.), University of Applied Sciences, Berlin

Research Interests

  • Mental Health Topics
    • OCD (obsessive-compulsive disorder)
    • Bipolar (manic-depressive)
    • Biofeedback
  • Human Activity Recognition
  • Indoor Positioning Systems
  • Wearable Sensors 

Teaching Activities

Projects Supervision

Winter Term 2022/23Bachelor ProjectDoes my watch know that I need a break? Integration of a biofeedback module into the SensorHub system
Summer Term 2020Master Project

What Can Your Smartwatch Tell You About Your Mental Health? OCDC – An Obsessive Compulsive Disorder Classification System

Winter Term 2019/20Bachelor ProjectUnobtrusive Health Monitoring for Driving Lifestyle Changes using Wearables 


Supervised Theses

2021Julia JochGesture recognition in daily life as a means of noninvasive labeling in medical studies
2020Kira GrammelSleep Stage Segmentation using IMU and PPG Sensors
2020Kira WeinleinEmotion Recognition using Wearables
2021Fabian StolpActive Learning in Personalized OCD Recognition
2021Lando LöperPersonalised Sensor-Based OCD Detection Using Federated Learning
2020Martin SchlegelActivity Recognition in the Context of Obsessive-Compulsive Disorder Detection


Open Master Thesis Topics

I am open to other thesis proposals that are in the area of my research.
If you have any ideas, please feel free to contact me.



  • Elements of a System for ... - Download
    Elements of a System for Automatic Monitoring of Specific Mental Health Characteristics at Home. Kirsten, Kristina; Arnrich, Bert (2022).
  • Hand Gesture Recognition ... - Download
    Hand Gesture Recognition in Daily Life as an Additional Tool for Unobtrusive Data Labeling in Medical Studies. Joch, Julia; Kirsten, Kristina; Arnrich, Bert (2022).
  • SensorHub: Multimodal Sen... - Download
    SensorHub: Multimodal Sensing in Real-Life Enables Home-Based Studies. Chromik, Jonas; Kirsten, Kristina; Herdick, Arne; Kappattanavar, Arpita Mallikarjuna; Arnrich, Bert in Sensors (2022). 22(1)


  • Sensor-Based Obsessive-Co... - Download
    Sensor-Based Obsessive-Compulsive Disorder Detection With Personalised Federated Learning. Kirsten, Kristina; Pfitzner, Bjarne; Löper, Lando; Arnrich, Bert (2021). 333–339.