Prof. Dr.-Ing. Do­ro­thea Kolossa

  • Chair - Research Group Kognitive Signalverarbeitung
  • Member - Horst Görtz In­sti­tu­te for IT-Se­cu­ri­ty Horst Görtz Institute for IT-Security
Kolossa, Do­ro­thea

Address

Fakultät für Elektrotechnik und Informationstechnik
Gebäude ID, Ebene 2, Raum 328
Universitätsstrasse 150
Ruhr-Universität Bochum
D - 44801 Bochum

Room
ID 2/325
Phone:
(+49)(0)234 / 32 - 28965
Fax:
(+49)(0)234 / 32 - 14165
Email:
dorothea.kolossa@rub.de
Website:
http://www.ruhr-uni-bochum.de/ika/mitarbeiter/kolossa.htm

Research

Courses

Publications

2019
Privacy-preserving Voice Control for Tetraplegics in Hospital Environments

Adrian T. Christ, Lea Schönherr, Antje Pohl, Do­ro­thea Kolossa - BioMedizinTechnik an der Ruhr-Universität Bochum (BMT@RUB), Bochum, March 27th, 2019

Adversarial Attacks Against Automatic Speech Recognition Systems via Psychoacoustic Hiding

Lea Schönherr, Katharina Kohls, Steffen Zeiler, Thorsten Holz, Do­ro­thea Kolossa - Network and Distributed System Security Symposium (NDSS 2019), San Diego, California, USA, February 2019

2017
Toward Improved Audio CAPTCHAs Based on Auditory Perception and Language Understanding

Hendrik Meutzner, Santosh Gupta, Viet-Hung Nguyen, Thorsten Holz, Do­ro­thea Kolossa - ACM Transactions on Privacy and Security (TOPS), Volume 19, Issue 4, February 2017

2016
SkypeLine: Robust Hidden Data Transmission for VoIP

Katharina Kohls, Thorsten Holz, Do­ro­thea Kolossa, Christina Pöpper - ACM Symposium on InformAtion, Computer and Communications Security (ASIACCS), Xi'an, May 2016

Technical Report: SkypeLine Robust Hidden Data Transmission for VoIP

Katharina Kohls, Thorsten Holz, Do­ro­thea Kolossa, Christina Pöpper - TR-HGI-2016-001, Ruhr-Uni­ver­si­tät Bo­chum, Horst Görtz In­sti­tut für IT-Si­cher­heit (HGI), February 2016

2014
Using Automatic Speech Recognition for Attacking Acoustic CAPTCHAs: The Trade-off between Usability and Security

Hendrik Meutzner, Viet Hung Nguyen, Thorsten Holz, Do­ro­thea Kolossa - An­nual Com­pu­ter Se­cu­ri­ty Ap­p­li­ca­ti­ons Con­fe­rence (ACSAC), New Or­leans, USA, De­cem­ber 2014 - ** Outstanding Paper Award **