Christian Krätzer

发表

Statistical Pattern Recognition Based Content Analysis on Encrypted Network: Traffic for the TeamViewer Application

Jana Dittmann, Tobias Hoppe, Robert Altschaffel, 2013, 2013 Seventh International Conference on IT Security Incident Management and IT Forensics.

WLAN steganography: a first practical review

Jana Dittmann, Andreas Lang, Christian Krätzer, 2006, MM&Sec '06.

Design and evaluation of steganography for voice-over-IP

Jana Dittmann, Christian Krätzer, Thomas Vogel, 2006, 2006 IEEE International Symposium on Circuits and Systems.

Audio annotation watermarking with robustness against DA/AD conversion

Jana Dittmann, Christian Krätzer, Kun Qian, 2010, Electronic Imaging.

Performance Impacts in Database Privacy-Preserving Biometric Authentication

Gunter Saake, Jana Dittmann, Claus Vielhauer, 2014, SECURWARE 2014.

Statistical effects of selected noise characteristics on speaker recognition in automotive environments: a first ANOVA-based investigation

Tobias Hoppe, Jana Dittmann, Christian Krätzer, 2011, AutomotiveUI.

Statistical pattern recognition for audio-forensics : empirical investigations on the application scenarios audio steganalysis and microphone forensics

Christian Krätzer, 2013 .

A Hierarchical Model for the Description of Internet-Based Communication

Jana Dittmann, Robert Altschaffel, Christian Krätzer, 2014, 2014 Eighth International Conference on IT Security Incident Management & IT Forensics.

Digital audio forensics: a first practical evaluation on microphone and environment classification

Jana Dittmann, Andreas Lang, Christian Krätzer, 2007, MM&Sec.

Security of Features Describing the Visual Appearance of Handwriting Samples Using the Bio-hash Algorithm of Vielhauer against an Evolutionary Algorithm Attack

Andreas Hasselberg, Claus Vielhauer, Christian Krätzer, 2013, Communications and Multimedia Security.

Der Einfluss gleichgewichteter Fusion in der Mikrofonforensik unter beispielhafter Nutzung von zwei Klassifikatoren

Jana Dittmann, Christian Krätzer, 2009, GI Jahrestagung.

Fingerprint Forensics Application Protocol: Semi-automated Modeling and Verification of Watermark-Based Communication Using CASPER and FDR

Ronny Merkel, Jana Dittmann, Eric Clausing, 2011, IWDW.

Pros and Cons of Mel-cepstrum Based Audio Steganalysis Using SVM Classification

Jana Dittmann, Christian Krätzer, 2007, Information Hiding.

Impact of feature selection in classification for hidden channel detection on the example of audio data hiding

Jana Dittmann, Christian Krätzer, 2008, MM&Sec '08.

First approach for a computer-aided textile fiber type determination based on template matching using a 3D laser scanning microscope

Claus Vielhauer, Christian Krätzer, Christian Arndt, 2012, MM&Sec '12.

Generalized Benford's Law for Blind Detection of Morphed Face Images

Jana Dittmann, Tom Neubert, Andrey Makrushin, 2018, IH&MMSec.

Nested object watermarking: transparency and capacity evaluation

Jana Dittmann, Claus Vielhauer, Christian Krätzer, 2008, Electronic Imaging.

A Security Contextualisation Framework for Digital Long-Term Preservation

Matthias Hemmje, Jana Dittmann, Holger Brocks, 2011, SDA.

Statistical Detection of Malicious PE-Executables for Fast Offline Analysis

Ronny Merkel, Jana Dittmann, Tobias Hoppe, 2010, Communications and Multimedia Security.

Transparency benchmarking on audio watermarks and steganography

Jana Dittmann, Andreas Lang, Christian Krätzer, 2006, Electronic Imaging.

Cover signal specific steganalysis: the impact of training on the example of two selected audio steganalysis approaches

Jana Dittmann, Christian Krätzer, 2008, Electronic Imaging.

Extended StirTrace benchmarking of biometric and forensic qualities of morphed face images

Jana Dittmann, Tom Neubert, Andrey Makrushin, 2018, IET Biom..

Modelling watermark communication protocols using the CASPER modelling language

Ronny Merkel, Jana Dittmann, Eric Clausing, 2010, MM&Sec '10.

WLAN steganography revisited

Ronny Merkel, Jana Dittmann, Christian Krätzer, 2008, Electronic Imaging.

Mel-cepstrum-based steganalysis for VoIP steganography

Jana Dittmann, Christian Krätzer, 2007, Electronic Imaging.

Steganography by synthesis: Can commonplace image manipulations like face morphing create plausible steganographic channels?

Jana Dittmann, Christian Krätzer, 2018, ARES.

The feasibility test of state-of-the-art face detection algorithms for vehicle occupant detection

Jana Dittmann, Claus Vielhauer, Andrey Makrushin, 2010, Electronic Imaging.

Microphone Classification Using Fourier Coefficients

Jana Dittmann, Christian Krätzer, Robert Buchholz, 2009, Information Hiding.

Considerations on the benchmarking of media forensics

Jana Dittmann, Christian Krätzer, J. Dittmann, 2015, 2015 23rd European Signal Processing Conference (EUSIPCO).

A Face Morphing Detection Concept with a Frequency and a Spatial Domain Feature Space for Images on eMRTD

Jana Dittmann, Tom Neubert, Christian Krätzer, 2019, IH&MMSec.

Forensic Behavior Analysis in Video Conferencing Based on the Metadata of Encrypted Audio and Video Streams - Considerations and Possibilities

Jana Dittmann, Robert Altschaffel, Christian Krätzer, 2020 .

The impact of information fusion in steganalysis on the example of audio steganalysis

Jana Dittmann, Christian Krätzer, 2009, Electronic Imaging.

FirstAidAssistanceSystem (FAAS): improvement of first aid measures using Car2Car-communication technology

Jana Dittmann, Tobias Hoppe, Christian Krätzer, 2011, Electronic Imaging.

A semantic framework for a better understanding, investigation and prevention of organized financial crime

Ronny Merkel, Jana Dittmann, Sven Kuhlmann, 2016, Sicherheit.

Using different encryption schemes for secure deletion while supporting queries

Claus Vielhauer, Christian Krätzer, Maik Schott, 2015, BTW Workshops.

Extending the Clark-Wilson security model for digital long-term preservation use-cases

Jana Dittmann, Christian Krätzer, Claus Vielhauer, 2010, Electronic Imaging.

A context model for microphone forensics and its application in evaluations

Jana Dittmann, Christian Krätzer, Maik Schott, 2011, Electronic Imaging.

Modeling Attacks on Photo-ID Documents and Applying Media Forensics for the Detection of Facial Morphing

Jana Dittmann, Tom Neubert, Andrey Makrushin, 2017, IH&MMSec.

Reducing the False Alarm Rate for Face Morph Detection by a Morph Pipeline Footprint Detector

Jana Dittmann, Tom Neubert, Christian Krätzer, 2018, 2018 26th European Signal Processing Conference (EUSIPCO).

Design und Evaluierung von Steganographie für Voice-over-IP

Jana Dittmann, Christian Krätzer, Thomas Vogel, 2006, Sicherheit.

Designansatz und Evaluation von Kindgerechten Securitywarnungen für Smartphones

Jana Dittmann, Jana Fruth, Christian Krätzer, 2012, Sicherheit.

Plausibility Considerations on Steganalysis as a Security Mechanism - Discussions on the Example of Audio Steganalysis

Jana Dittmann, Christian Krätzer, J. Dittmann, 2012, Trans. Data Hiding Multim. Secur..

A first approach for the contactless acquisition and automated detection of toolmarks on pins of locking cylinders using 3D confocal microscopy

Jana Dittmann, Claus Vielhauer, Eric Clausing, 2012, MM&Sec '12.

Unweighted fusion in microphone forensics using a decision tree and linear logistic regression models

Jana Dittmann, Christian Krätzer, Maik Schott, 2009, MM&Sec '09.

Location based services for mobile devices: a practical evaluation

Jana Dittmann, Andreas Lang, Christian Krätzer, 2008, EuroIMSA 2008.

Hand-movement-based in-vehicle driver/front-seat passenger discrimination for centre console controls

Jana Dittmann, Claus Vielhauer, Andrey Makrushin, 2010, Electronic Imaging.

Ensuring integrity and authenticity for images in digital long-term preservation

Jana Dittmann, Christian Krätzer, Claus Vielhauer, 2010, Photonics Europe.

Preliminary study of statistical pattern recognition-based coin counterfeit detection by means of high resolution 3D scanners

Jana Dittmann, Claus Vielhauer, Christian Krätzer, 2011, Electronic Imaging.

Generation of Privacy-friendly Datasets of Latent Fingerprint Images using Generative Adversarial Networks

Jana Dittmann, Andrey Makrushin, Christian Krätzer, 2021, VISIGRAPP.

A Systematic Analysis of Covert Channels in the Network Time Protocol

Jana Dittmann, Christian Krätzer, Kevin Lamshöft, 2021, ARES.

A Revised Taxonomy of Steganography Embedding Patterns

Wojciech Mazurczyk, Jana Dittmann, Claus Vielhauer, 2021, ARES.

A Revised Taxonomy of Steganography Embedding Patterns pdf

Wojciech Mazurczyk, Jana Dittmann, Claus Vielhauer, 2021, ArXiv.

Information Hiding in Cyber Physical Systems: Challenges for Embedding, Retrieval and Detection using Sensor Data of the SWAT Dataset

Jana Dittmann, Claus Vielhauer, Christian Krätzer, 2021, IH&MMSec.

Attack tuning-Attack Transparency Models and their Impact to Geometric Attacks

Jana Dittmann, Andreas Lang, Christian Krätzer, 2005 .

Visualisation of Benchmarking Results in Digital Watermarking and Steganography

Christian Krätzer, 2006 .