Christian Krätzer

36 papers B 2C 3Journal 4Unranked 26
YearRankTypeTitle / Venue / Authors
2026 — conf
Attributierung von Stego-Malware Vorfällen mittels Open Source Intelligence.
Sicherheit
Dennis Siegel, Robert Altschaffel, Sebastian Feustel, Stefan Kiltz, Christian Krätzer, Jana Dittmann, Claus Vielhauer
2025 J jnl
A Generic Taxonomy for Steganography Methods.
ACM Comput. Surv.
Steffen Wendzel, Luca Caviglione, Wojciech Mazurczyk, Aleksandra Mileva, Jana Dittmann, Christian Krätzer, Kevin Lamshöft, Claus Vielhauer, Laura Hartmann, Jörg Keller, Tom Neubert, Sebastian Zillien
2025 J jnl
Attribution im IT-Grundschutz des BSI.
Datenschutz und Datensicherheit (dud)
Michael Pilgermann, Claus Vielhauer, Denis Petrov, Jana Dittmann, Christian Krätzer
2025 — conf
Combining Different Existing Methods for Describing Steganography Hiding Methods.
ARES (Workshops 3)
Steffen Wendzel, Christian Krätzer, Jana Dittmann, Luca Caviglione, Aleksandra Mileva, Tobias Schmidbauer, Claus Vielhauer, Sebastian Zander
2025 J jnl
Combining Different Existing Methods for Describing Steganography Hiding Methods.
CoRR
Steffen Wendzel, Christian Krätzer, Jana Dittmann, Luca Caviglione, Aleksandra Mileva, Tobias Schmidbauer, Claus Vielhauer, Sebastian Zander
2025 — conf
Project ATTRIBUT - Open Data and FOSS from the Perspective of a Research Project on the Attribution of Hidden Communication Channels.
INFORMATIK
Christian Krätzer, Jana Dittmann, Jost Alemann, Robert Altschaffel, Stefan Klitz, Claus Vielhauer, Sandro Wefel, Denis Petrov, Pascal Ruffing, Mandy Knöchel, Sebastian Karius
2024 — conf
Attribution von verdeckten (Informations-)Kanälen im Bereich kritischer Infrastrukturen und Potentiale für Prävention und Reaktion (ATTRIBUT).
Sicherheit
Jana Dittmann, Christian Krätzer, Stefan Kiltz, Robert Altschaffel, Claus Vielhauer, Steffen Wendzel, Sandro Wefel, Holger Nitsch
2024 C ed.
Proceedings of the ACM Workshop on Information Hiding and Multimedia Security, IH&MMSec 2024, Baiona, Spain, June 24-26, 2024
IH&MMSec
Fernando Pérez-González, Pedro Comesaña Alfaro, Christian Krätzer, Hong Vicky Zhao
2023 — conf
Human-in-control and quality assurance aspects for a benchmarking framework for DeepFake detection models.
Media Watermarking, Security, and Forensics
Christian Krätzer, Dennis Siegel, Stefan Seidlitz, Jana Dittmann
2023 — conf
Pros and cons of comparing and combining hand-crafted and neural network based DeepFake detection based on eye blinking behavior.
Media Watermarking, Security, and Forensics
Dennis Siegel, Stefan Seidlitz, Christian Krätzer, Jana Dittmann
2022 — conf
Forensic data model for artificial intelligence based media forensics - Illustrated on the example of DeepFake detection.
Media Watermarking, Security, and Forensics
Dennis Siegel, Christian Krätzer, Stefan Seidlitz, Jana Dittmann
2021 B conf
A Revised Taxonomy of Steganography Embedding Patterns.
ARES
Steffen Wendzel, Luca Caviglione, Wojciech Mazurczyk, Aleksandra Mileva, Jana Dittmann, Christian Krätzer, Kevin Lamshöft, Claus Vielhauer, Laura Hartmann, Jörg Keller, Tom Neubert
2021 J jnl
A Revised Taxonomy of Steganography Embedding Patterns.
CoRR
Steffen Wendzel, Luca Caviglione, Wojciech Mazurczyk, Aleksandra Mileva, Jana Dittmann, Christian Krätzer, Kevin Lamshöft, Claus Vielhauer, Laura Hartmann, Jörg Keller, Tom Neubert
2021 B conf
A Systematic Analysis of Covert Channels in the Network Time Protocol.
ARES
Jonas Hielscher, Kevin Lamshöft, Christian Krätzer, Jana Dittmann
2021 C conf
Information Hiding in Cyber Physical Systems: Challenges for Embedding, Retrieval and Detection using Sensor Data of the SWAT Dataset.
IH&MMSec
Kevin Lamshöft, Tom Neubert, Christian Krätzer, Claus Vielhauer, Jana Dittmann
2015 — conf
Using different encryption schemes for secure deletion while supporting queries.
BTW Workshops
Maik Schott, Claus Vielhauer, Christian Krätzer
2014 — conf
A Hierarchical Model for the Description of Internet-Based Communication.
IMF
Robert Altschaffel, Jana Dittmann, Christian Krätzer, Stefan Kiltz
2013 — —
Statistical pattern recognition for audio-forensics : empirical investigations on the application scenarios audio steganalysis and microphone forensics.
Christian Krätzer
2012 — conf
Designansatz und Evaluation von Kindgerechten Securitywarnungen für Smartphones.
Sicherheit
Wiebke Menzel, Sven Tuchscheerer, Jana Fruth, Christian Krätzer, Jana Dittmann
2011 — conf
FirstAidAssistanceSystem (FAAS): improvement of first aid measures using Car2Car-communication technology.
Intelligent Robots and Computer Vision: Algorithms and Techniques
Sven Tuchscheerer, Tobias Hoppe, Christian Krätzer, Jana Dittmann
2011 — conf
Preliminary study of statistical pattern recognition-based coin counterfeit detection by means of high resolution 3D scanners.
Three-Dimensional Imaging, Interaction, and Measurement
Marcus Leich, Stefan Kiltz, Christian Krätzer, Jana Dittmann, Claus Vielhauer
2011 — conf
Statistical effects of selected noise characteristics on speaker recognition in automotive environments: a first ANOVA-based investigation.
AutomotiveUI
Sven Tuchscheerer, Christian Krätzer, Jana Dittmann, Tobias Hoppe
2010 — conf
Audio annotation watermarking with robustness against DA/AD conversion.
Media Forensics and Security
Kun Qian, Christian Krätzer, Michael Biermann, Jana Dittmann
2010 — conf
Hand-movement-based in-vehicle driver/front-seat passenger discrimination for centre console controls.
Image Processing: Algorithms and Systems
Enrico Herrmann, Andrey Makrushin, Jana Dittmann, Claus Vielhauer, Mirko Langnickel, Christian Krätzer
2010 — conf
Statistical Detection of Malicious PE-Executables for Fast Offline Analysis.
Communications and Multimedia Security
Ronny Merkel, Tobias Hoppe, Christian Krätzer, Jana Dittmann
2010 — conf
The feasibility test of state-of-the-art face detection algorithms for vehicle occupant detection.
Image Processing: Algorithms and Systems
Andrey Makrushin, Jana Dittmann, Claus Vielhauer, Mirko Langnickel, Christian Krätzer
2009 — conf
Der Einfluss gleichgewichteter Fusion in der Mikrofonforensik unter beispielhafter Nutzung von zwei Klassifikatoren.
GI Jahrestagung
Christian Krätzer, Jana Dittmann
2009 — conf
Microphone Classification Using Fourier Coefficients.
Information Hiding
Robert Buchholz, Christian Krätzer, Jana Dittmann
2009 — conf
The impact of information fusion in steganalysis on the example of audio steganalysis.
Media Forensics and Security
Christian Krätzer, Jana Dittmann
2008 — conf
Impact of feature selection in classification for hidden channel detection on the example of audio data hiding.
MM&Sec
Christian Krätzer, Jana Dittmann
2008 — conf
Nested object watermarking: transparency and capacity evaluation.
Security, Forensics, Steganography, and Watermarking of Multimedia Contents
Claus Vielhauer, Maik Schott, Christian Krätzer, Jana Dittmann
2007 — conf
Digital audio forensics: a first practical evaluation on microphone and environment classification.
MM&Sec
Christian Krätzer, Andrea Oermann, Jana Dittmann, Andreas Lang
2007 — conf
Pros and Cons of Mel-cepstrum Based Audio Steganalysis Using SVM Classification.
Information Hiding
Christian Krätzer, Jana Dittmann
2006 C conf
Design and evaluation of steganography for voice-over-IP.
ISCAS
Christian Krätzer, Jana Dittmann, Thomas Vogel, Reyk Hillert
2006 — conf
Design und Evaluierung von Steganographie für Voice-over-IP.
Sicherheit
Thomas Vogel, Jana Dittmann, Reyk Hillert, Christian Krätzer
2006 — conf
WLAN steganography: a first practical review.
MM&Sec
Christian Krätzer, Jana Dittmann, Andreas Lang, Tobias Kühne