Oxford University Computing Laboratory

Results: 135



#Item
81Estimation theory / Statistics / Steganalysis / Maximum likelihood / Likelihood function / Cryptography / Espionage / Steganography

A Fusion of Maximum Likelihood and Structural Steganalysis Andrew Ker Royal Society University Research Fellow Oxford University Computing Laboratory

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Source URL: www.cs.ox.ac.uk

Language: English - Date: 2007-06-21 11:34:06
82Multivariate statistics / Mathematical sciences / Steganography / NP-complete / Distortion / NP / Mahalanobis distance / Computer vision / Statistics / Complexity classes / Applied mathematics

Ventsislav Chonev & Andrew Ker ventsislav.chonev @ oriel.ox.ac.uk adk @ comlab.ox.ac.uk- Oxford University Computing Laboratory

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Source URL: www.cs.ox.ac.uk

Language: English - Date: 2011-01-24 20:46:11
83Statistical theory / M-estimators / Robust regression / Estimator / Bias of an estimator / Variance / Statistics / Estimation theory / Statistical inference

Optimally Weighted Least-Squares Steganalysis Andrew D. Ker Oxford University Computing Laboratory, Parks Road, Oxford OX1 3QD, England ABSTRACT Quantitative steganalysis aims to estimate the amount of payload in a stego

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Source URL: www.cs.ox.ac.uk

Language: English - Date: 2007-04-03 07:34:22
84Kullback–Leibler divergence / Embedding / Histogram / Steganalysis / Divergence / Information theory / X-height / Statistics / Mathematics / Steganography

Estimating Steganographic Fisher Information in Real Images Andrew D. Ker Oxford University Computing Laboratory, Parks Road, Oxford OX1 3QD, England

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Source URL: www.cs.ox.ac.uk

Language: English - Date: 2009-06-29 03:22:38
85Steganalysis / JPEG / Image noise / Jessica Fridrich / Cryptography / Espionage / Steganography

The Square Root Law of Steganographic Capacity Andrew D. Ker Tomáš Pevný Oxford University Computing Laboratory

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Source URL: www.cs.ox.ac.uk

Language: English - Date: 2008-07-15 08:00:03
86Oxford University Computing Laboratory / Z notation / First-order logic / Regular expression / Unification / Rule of inference / Logic / Mathematical logic / Formal languages

Transformation Rules for Z Mark Utting∗ Petra Malik† Ian Toyn

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Source URL: cjtcs.cs.uchicago.edu

Language: English - Date: 2011-06-03 17:31:23
87Support vector machine / Steganalysis / Binary classification / Cross-validation / Logistic regression / Statistics / Machine learning / Statistical classification

Ivans Lubenko & Andrew Ker lubenko @ comlab.ox.ac.uk adk @ comlab.ox.ac.uk Oxford University Computing Laboratory

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Source URL: www.cs.ox.ac.uk

Language: English - Date: 2011-01-25 19:29:51
88Steganography / Statistical inference / Steganalysis / Statistical theory / Estimation theory / Kullback–Leibler divergence / Jessica Fridrich / Information theory / Normal distribution / Cryptography / Statistics / Espionage

The Ultimate Steganalysis Benchmark? Andrew D. Ker Oxford University Computing Laboratory Parks Road Oxford OX1 3QD, UK

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Source URL: www.cs.ox.ac.uk

Language: English - Date: 2007-09-22 14:51:12
89Mathematical analysis / Probability and statistics / Steganography / Normal distribution / Statistics

A Curiosity Regarding Steganographic Capacity of Pathologically Nonstationary Sources Andrew D. Ker Oxford University Computing Laboratory, Parks Road, Oxford OX1 3QD, England. ABSTRACT Square root laws state that the ca

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Source URL: www.cs.ox.ac.uk

Language: English - Date: 2010-12-25 07:17:23
90Computer graphics / Steganography / Digital imaging / Video / Display technology / Pixel / Digital photography / Television / Image processing

The Square Root Law in Stegosystems with Imperfect Information Andrew Ker adk @ comlab.ox.ac.uk Royal Society University Research Fellow Oxford University Computing Laboratory

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Source URL: www.cs.ox.ac.uk

Language: English - Date: 2010-06-28 11:18:39
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