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Jan Kodovsky Jan Kodovsky
Affiliation: since September 2013 - Software Engineer, Facebook, Inc.
2012 - 2013 - Postdoctoral Associate, Department of Electrical and Computer Engineering, Binghamton University
Curriculum Vitae - Available upon request
Education:
2012 Ph.D. in Electrical Engineering, Binghamton University, Dept. of Electrical and Computer Engineering
  • Dissertation: Steganalysis of digital images using rich image representations and ensemble classifiers [pdf]
2006 M.S. in Mathematical Modeling, Czech Technical University in Prague, Dpt. of Nuclear Sciences and Physical Engineering
Specialization: Information security, data hiding (steganography and steganalysis of digital images), applied machine learning (ensemble classification, support vector machines), mathematical modeling
Projects: Rich Cover Models for Steganalysis of Digital Media, funded by the Air Force Office of Scientific Research
Advanced Steganalysis Methods for Digital Images, funded by the Air Force Office of Scientific Research
Steganography of JPEG Images, funded by the Air Force Office of Scientific Research
Teaching: EECE 580B - Support Vector Machines - Spring 2010
Download: Ensemble classifier
Extractor of CC-PEV features
Simulator of nsF5
PQ steganography
Feature Extractors
Invited talks: Steganography and Steganalysis of Digital Images - Current Trends and Challenges, B. Thomas Golisano College of Computing And Information Sciences, Rochester Institute of Technology, September 2012. [flyer]
Publications:
  • Steganalysis in resized images, J. Kodovský and J. Fridrich, Proc. IEEE, ICASSP, Vancouver, Canada, May 26-31, 2013. [pdf] [slides]

  • Multivariate Gaussian model for designing additive distortion for steganography, J. Fridrich and J. Kodovský, Proc. IEEE, ICASSP, Vancouver, Canada, May 26-31, 2013. [pdf]

  • Quantitative Steganalysis Using Rich Models, J. Kodovský and J. Fridrich, Proc. SPIE, Electronic Imaging, Media Watermarking, Security, and Forensics XV, San Francisco, CA, February 3-7, 2013. [pdf] [slides]

  • JPEG-Compatibility Steganalysis Using Block-Histogram of Recompression Artifacts, J. Kodovský and J. Fridrich, Proc. of the 14th Information Hiding Conference, Berkeley, CA, May 15-18, 2012, LNCS vol. 7692, Springer-Verlag, pp. 78-93. [pdf] [slides]

  • Steganalysis of LSB Replacement Using Parity-Aware Features, J. Fridrich and J. Kodovský, Proc. of the 14th Information Hiding Conference, Berkeley, CA, May 15-18, 2012, LNCS vol. 7692, Springer-Verlag, pp. 31-45. [pdf]

  • Rich Models for Steganalysis of Digital Images, J. Fridrich and J. Kodovský, IEEE Transactions on Information Forensics and Security, Vol. 7, No. 3, pp. 868-882, June 2012. [pdf]

  • Steganalysis of JPEG Images Using Rich Models, J. Kodovský and J. Fridrich, Proc. SPIE, Electronic Imaging, Media Watermarking, Security, and Forensics XIV, San Francisco, CA, January 23-25, 2012. [pdf] [slides]

  • Ensemble Classifiers for Steganalysis of Digital Media, J. Kodovský, J. Fridrich and V. Holub, IEEE Transactions on Information Forensics and Security, Vol. 7, No. 2, pp. 432-444, April 2012. [pdf] [download section]

  • On Dangers of Overtraining Steganography to Incomplete Cover Model, J. Kodovský, J. Fridrich and V. Holub, Proc. ACM Multimedia and Security Workshop, Niagara Falls, NY, pages 69-76, September 29-30, 2011. [pdf] [slides]

  • Ensemble classification in steganalysis - Cross-validation and AdaBoost, J. Kodovský, Technical report, August 2011. [pdf]

  • On dangers of cross-validation in steganalysis, J. Kodovský, Technical report, August 2011. [pdf]

  • Steganalysis of Content-Adaptive Steganography in Spatial Domain, J. Fridrich, J. Kodovský, V. Holub and M. Goljan, Proc. of the 13th Information Hiding Conference, Prague, Czech Republic, May 18-20, 2011, LNCS vol. 6958, Springer-Verlag, pp. 102-117. [pdf]

  • Breaking HUGO - the process discovery, J. Fridrich, J. Kodovský, V. Holub and M. Goljan, Proc. of the 13th Information Hiding Conference, Prague, Czech Republic, May 18-20, 2011, LNCS vol. 6958, Springer-Verlag, pp. 85-101. [pdf]

  • A short story about five steganalysts, J. Kodovský, Rump session contribution at the 13th Information Hiding Workshop, Prague, Czech Republic, May 18-20, 2011. [slides]

  • Steganalysis in high dimensions: fusing classifiers built on random subspaces, J. Kodovský and J. Fridrich, Proc. SPIE, Electronic Imaging, Media, Watermarking, Security and Forensics XIII, pages OL 1-13, San Francisco, CA, January 23-26, 2011. [pdf] [slides]

  • Quantitative Structural Steganalysis of Jsteg, J. Kodovský and J. Fridrich, IEEE Transactions on Information Forensics and Security, Vol. 5, No. 4, pp. 681-693, December 2010. [pdf]

  • Quantitative Steganalysis of LSB Embedding in JPEG Domain, J. Kodovský and J. Fridrich, Proc. ACM Multimedia and Security Workshop, Rome, Italy, pages 187-198, September 9-10, 2010. [pdf] [slides]

  • Modern Steganalysis Can Detect YASS, J. Kodovský, T. Pevný and J. Fridrich, Proc. SPIE, Electronic Imaging, Media Forensics and Security XII, pages 2 1-2 11, San Jose, CA, January 17-21, 2010. [pdf] [slides]

  • Calibration Revisited, J. Kodovský and J. Fridrich, Proc. ACM Multimedia and Security Workshop, pages 63-74, Princeton, NJ, September 7-8, 2009. [pdf] [slides]

  • On Completeness of Feature Spaces in Blind Steganalysis, J. Kodovský and J. Fridrich, Proc. ACM Multimedia and Security Workshop, Oxford, UK, September 22-23, pages 123-132, 2008. [pdf] [slides]

  • The Square Root Law of Steganographic Capacity, A. D. Ker, T. Pevný, J. Kodovský and J. Fridrich, Proc. ACM Multimedia and Security Workshop, Oxford, UK, September 22-23, pages 107-116, 2008. [pdf]

  • Influence of Embedding Strategies on Security of Steganographic Methods in the JPEG Domain, J. Kodovský and J. Fridrich, Proc. SPIE Electronic Imaging, Security, Forensics, Steganography, and Watermarking of Multimedia Contents X, pages 2 1-12 13, San Jose, CA, January 28-31, 2008. [pdf] [slides]

  • Statistically Undetectable JPEG Steganography: Dead Ends, Challenges, and Opportunities, J. Fridrich, T. Pevný and J. Kodovský, Proc. ACM Multimedia and Security Workshop, pages 3-14, Dallas, TX, September 20-21, 2007. [pdf]
Contact: jan (dot) kodovsky (at) binghamton (dot) edu