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OXFORD UNIVERSITY  COMPUTING LABORATORY

Andrew Ker, Publications

These documents are included only to ensure timely dissemination of the authors' research. All rights are retained by the author or other copyright holder, even though the works are offered for download here. By downloading one of these documents, you agree to adhere to the terms of the copyright holder, without whose explicit consent they may not be reposted.

[1] Andrew D. Ker, Hanno Nickau, and C.-H. Luke Ong. Innocent game models of untyped lambda-calculus.
Theoretical Computer Science 272, pages 247-292. Elsevier, 2002.
[2] Andrew D. Ker, Hanno Nickau, and C.-H. Luke Ong. A universal innocent game model for the Böhm tree lambda theory.
In Computer Science Logic: Proceedings of the 8th Annual Conference of the EACSL, LNCS 1683, pages 405-419. Springer, 1999
[3] Andrew D. Ker Innocent Game Models of Untyped Lambda Calculus.
D.Phil Thesis, Oxford University, 2000.
[4] Andrew D. Ker, Hanno Nickau, and C.-H. Luke Ong. Adapting game models for the Böhm tree lambda-theory.
Theoretical Computer Science 308, pages 333-366. Elsevier, 2003.
[6] Andrew D. Ker. An Idea for a Blind Watermarking Scheme Resistant to Stirmark.
Programming Research Group Research Report RR-01-14. Oxford University Computing Laboratory, 2001.
[8] Andrew D. Ker. Quantitative evaluation of Pairs and RS steganalysis.
In Security, Steganography, and Watermarking of of Multimedia Contents VI, Proc. SPIE 5306, pages 83-96. SPIE, 2004.
(Slides of conference presentation)
[9] Andrew D. Ker. Improved detection of LSB steganography in grayscale images.
In Proc. 6th Information Hiding Workshop, LNCS 3200, pages 97-115. Springer, 2004.
(Slides of conference presentation)
[10] Andrew D. Ker. Steganalysis of LSB matching in grayscale images.
Signal Processing Letters 12:6, pages 441-444. IEEE, 2005.
[11] Andrew D. Ker. Resampling and the detection of LSB matching in colour bitmaps.
In Security, Steganography, and Watermarking of of Multimedia Contents VII, Proc. SPIE 5681, pages 1-15. SPIE, 2005.
(Slides of conference presentation)
[13] Andrew D. Ker. A general framework for the structural steganalysis of LSB replacement.
In Proc. 7th Information Hiding Workshop, LNCS 3727, pages 296-311. Springer, 2005.
(Slides of conference presentation)
[14] Andrew D. Ker. Fourth-order structural steganalysis and analysis of cover assumptions.
In Security, Steganography, and Watermarking of of Multimedia Contents VIII, Proc. SPIE 6072, pages 25-38. SPIE, 2006.
(Slides of conference presentation)
[15] Rainer Böhme and Andrew D. Ker. A two-factor error model for quantitative steganalysis.
In Security, Steganography, and Watermarking of of Multimedia Contents VIII, Proc. SPIE 6072, pages 59-74. SPIE, 2006.
(Slides of conference presentation)
[18] Andrew D. Ker. Batch steganography and pooled steganalysis.
In Proc. 8th Information Hiding Workshop, LNCS vol. 4437, pages 265-281. Springer, 2006.
(Slides of conference presentation)
[20] Andrew D. Ker. Steganalysis of embedding in two least significant bits.
Transactions on Information Forensics and Security 2:1, pages 46-54. IEEE, 2007.
[21] Andrew D. Ker. Batch steganography and the threshold game.
In Security, Steganography, and Watermarking of of Multimedia Contents IX, Proc. SPIE 6505, pages 0401-0413. SPIE, 2007.
(Slides of conference presentation)
[22] Andrew D. Ker. Derivation of Error Distribution in Least Squares Steganalysis.
Transactions on Information Forensics and Security 2:2, pages 140-148. IEEE, 2007.
[23] Andrew D. Ker. Optimally weighted least-squares steganalysis.
In Security, Steganography, and Watermarking of of Multimedia Contents IX, Proc. SPIE 6505, pages 0601-0616. SPIE, 2007.
(Slides of conference presentation)
[24] Andrew D. Ker. A capacity result for batch steganography.
Signal Processing Letters 14:8, pages 525-528. IEEE, 2007.
[25] Andrew D. Ker. Benchmarking Steganalysis.
Chapter in Multimedia Forensics and Security, Chang-Tsun Li, Editor, IGI Global. Expected 2008.
[26] Andrew D. Ker. A Fusion of Maximum Likelihood and Structural Steganalysis.
In Proc. 9th Information Hiding Workshop, LNCS vol. 4567, pages 204-219. Springer, 2007.
(Slides of conference presentation)
[27] Andrew D. Ker. A Weighted Stego Image Detector for Sequential LSB Replacement.
In Proc. 2007 International Workshop on Data Hiding for Information and Multimedia Security attached to IAS 07. IEEE Computer Society Press, 2007.
(Slides of conference presentation)
[28] Andrew D. Ker. The Ultimate Steganalysis Benchmark?.
In 9th Multimedia and Security Workshop, ACM Proceedings, pages 141--147. ACM, 2007.
(Slides of conference presentation)
[29] Andrew D. Ker. Steganographic Strategies for a Square Distortion Function.
In Security, Forensics, Steganography, and Watermarking of Multimedia Contents X, Proc. SPIE 6819. SPIE, 2008.
(Slides of conference presentation)
[30] Andrew D. Ker and Rainer Böhme. Revisiting Weighted Stego-Image Steganalysis.
In Security, Forensics, Steganography, and Watermarking of Multimedia Contents X, Proc. SPIE 6819. SPIE, 2008.
(Slides of conference presentation)
[31] Andrew D. Ker. Perturbation Hiding and the Batch Steganography Problem.
In Proc. 10th Information Hiding Workshop, LNCS vol. 5284, pages 45--59. Springer, 2008.
(Slides of conference presentation)
[32] Andrew D. Ker, Tomas Pevny, Jan Kodovsky, and Jessica Fridrich. The Square Root Law of Steganographic Capacity.
In 10th Multimedia and Security Workshop, ACM Proceedings, pages 107--116. ACM, 2008.
(Slides of conference presentation)
[33] Andrew D. Ker. Locating Steganographic Payload via WS Residuals.
In 10th Multimedia and Security Workshop, ACM Proceedings, pages 27-31. ACM, 2008.
(Slides of conference presentation)
[34] Andrew D. Ker. Locally Square Distortion and Batch Steganographic Capacity.
Invited paper for inaugural issue of International Journal of Digital Crime and Forensics, pages 29--44. IGI Global, 2009.
[35] Andrew D. Ker and Ivans Lubenko. Feature Reduction and Payload Location with WAM Steganalysis.
To appear in Media Forensics and Security XI, Proc. SPIE 7254. SPIE, 2009.
(Slides of conference presentation)
[36] Tomas Filler, Andrew D. Ker, and Jessica Fridrich. The Square Root Law of Steganographic Capacity for Markov Covers.
To appear in Media Forensics and Security XI, Proc. SPIE 7254. SPIE, 2009.
(Slides of conference presentation)
[37] Tomas Pevny, Jessica Fridrich, and Andrew D. Ker. From Blind to Quantitative Steganalysis.
To appear in Media Forensics and Security XI, Proc. SPIE 7254. SPIE, 2009.
(Slides of conference presentation)
[---] Andrew D. Ker. Lambda Calculus and Types.
Lecture notes, Hilary Term 2008 (150pp total). See the course website for slides and other course material.
[---] Andrew D. Ker. Discrete Mathematics.
Lecture notes, Michaelmas Term 2008 (125pp total). See the course website for slides, problem sheets, and other course material.

The numbers beside each publication refer to my own private numbering system for papers. Since some projects were merged or abandoned, the numbers are not consecutive. Red links indicate documents currently unavailable.

Out of fairness to the publishers, I do not include in-press articles, or conference papers in advance of the conference. Also, past experience shows that I will probably not update this page very often.