Index

2-D adjacency histogram

χ² attack

χ² test

± 1 embedding

AC coefficients

AC-10

AC-4

accuracy

adjacency HCF-COM

AI, see artificial intelligence

ALE features

first-order

second-order

ALE-10

amplitude of local extrema

analysis filter bank

analysis of variance

angular correlation

ANOVA, see analysis of variance

area under the curve

artifact

artificial intelligence

asset

asymmetry

AUC, see area under the curve

authentication

image authentication

autocorrelation

autocorrelation matrix

availability

bandwidth

batch steganography

Bayes' law

Bayesian statistics

Bernoulli trial

binary similarity measures

binning

binomial distribution

bit plane

blockiness attack

blockiness features

boosting feature selection

bootstrap method

boundary hyperplanes

broadcast monitoring

calibrated feature

difference

ratio

calibration

JPEG

capacity

of F5

capturing device

Cartesian calibrated feature

Cartesian calibration

Cartesian product

central moment

centre of mass

multi-dimensional

characteristic function

chrominance

cipher text

ciphers

class skew

classification

classification score

classifier

classifier system

cluster analysis, see also clustering

clustering

coin toss

colour palette

conditional probability features

confidence interval

confidentiality

confusion matrix

convolution

Convolution Theorem

co-occurrence features

co-occurrence matrix

of JPEG matrix

correlation coefficient

cover

cover estimate

cover selection

cover-source mismatch

crosscorrelation

cross-validation

cryptography

curse of dimensionality

Czekanowski distance

Daubechies wavelet

DC coefficient

DCT coefficient

DCT transform

dead-drop

dead-drop steganography

denoising

detection probability

DFT, see discrete Fourier transform

difference array

difference calibrated feature

difference calibrated feature vector

difference matrix

second-order

differential entropy

discrete classifiers

discrete cosine transform

discrete Fourier transform

discrete wavelet transform

distance

divergence transform

docstring

double compression

downsample

downsampling

dual histogram

duck typing

e-jihad

EM-108

empirical accuracy

empirical matrix

encrypt

encryption

entropy

eraser transform

error bound

estimate

estimator

Euclidean norm

experiment

EzStego

F5

java implementation

false negative

false positive

Farid-72

fast wavelet transform

feature selection

feature subset selection

application in steganalysis

scalar

feature vector

filter bank

filter search

first-order utility

Fisher linear discriminant

FLD, see Fisher linear discriminant

floating search

forward sequential search

Fourier transform

discrete

FRI-23

fusion

feature-level

game

Gaussian kernel

Gaussian smoothing filter

GIF

Gini coefficient

gradient energy

grid search

Haar wavelet

HAR2D-6

HAR3D-3

hard decision

hash

HCF, see histogram characteristic function

2-D

HCF moments

HCF-39

HCF-COM

high-pass component

high-pass filter

histogram

second-order

histogram characteristic function

Huffmann coding

HUGO

human visual system

hyperplane

hypothesis testing

IJG

image fidelity

image forensics

image quality measures

image space

imperceptibility

information

information theory

inner product

integrity

interaction information

ipython

IQM, see image quality measures

joint mutual information

JPEG

calibration

programming API

JPEG compatibility

JPEG compression

JPEG images

JPEG matrix

JPEG Toolbox

JPEG2000

JSteg

Jython

KDE, see kernel density estimator

Kerckhoffs' Principle

kernel

kernel density estimator

kernel trick

key

key-recovery attacks

K-means clustering

python code

k-means clustering

Kullbach–Leibler divergence, see relative entropy

kurtosis

label

labels

LAW-ML

adaptive

least-squares

libSVM

Python API

linear classifier

linear predictor

linearly separable

local extremum

locally adaptive window-based denoising

loss function

low-pass component

low-pass filter

LSB ±, see LSB matching

LSB embedding

LSB matching

LSB plane

LSB replacement

luminance

machine learning

magnitude-phase form

Mallat's herringbone algorithm

marginal moment

Markov chain

Markov model

second-order

Markov model-based features

Matlab

mean square error

Mercer's theorem

message authentication

message length

message-recovery attacks

method of least squares

Minkowsky norm

model

moment

moment about the mean, see central moment

Monte Carlo simulation

multi-class classifier

multi-layer classification

multivariate mutual information

multivariate regression analysis

mutual information

naïve Bayes classifier

noise

noise residual

γ-norm

normalisation

normalised mean square HVS error

null hypothesis

numpy

one-against-all

one-against-one

Outguess

Outguess 0.1

Outguess 0.2

over-embedding

overfitting

padding

pairs-of-values

palette image

parallel reference

parameter estimation

parameters

passive warden

pattern recognition

perfectly secure

pickle

PIL

pixel selection

PMF

population

precision

predicted class

prediction

prediction error

prediction error image

prisoners' problem

probability

probability distribution

probability mass function, see PMF

progressive randomisation

pure stego-system

pylab

pysteg library

Python

pywt

QMF, see quadratic mirror filters

QMF-9

quadratic mirror filters

quality factor

quantisation

quantisation matrix

quantisation table

radial basis function

rate

ratio-calibrated

RBF, see radial basis function

recall

receiver operating characteristic, see also ROC curve

reference image

reference transform

region of confidence

regression

linear

support vector regression

relative entropy

reliability

response variable

RGB

ROC, see receiver operating characteristic

ROC curve

rounding

RS steganalysis

run length

run-length features

sample

sampling theory

scalar product

secure

ϵ-secure

security criteria

self-restoration

sequential forward selection

significance level

similarity measures

skewness

slack variables

SPAM, see subtractive pixel adjacency model

SPAM-848

Spam-Mimic

spectral magnitude distortion

spread spectrum image steganography, see SSIS

square-root law

SSIS

standard error

statistical bias

statistical model

statistical steganalysis

statistics-aware

statistics-aware embedding

steganalyser

basic

steganalysis

blind

extended

learning

pooled

quantitative

statistical

structural

targeted

visual

steganalyst strategy

steganalytic system

steganography

by cover synthesis

by modification

stego estimate

stego-system

public-key

secret-key

stencil function

S-Tools

storage steganography

strategy

subtractive pixel adjacency matrix

subtractive pixel adjacency model

sum image

supervised learning

see SVM

support vector regression

support vectors

SVM

one-class

synthesis filter bank

tamper detection

targeted blind steganalysis

taxicab norm

test set

testing error rate

texture

texture unit

total error probability

totalled image

training error rate

training set

transition probabilities

transition probability matrix

true accuracy

true class

true label

underfitting

undetectability

undetectable

unsupervised learning

utility

variance

variation

visual steganalysis

WAM, see wavelet absolute moments

WAM features

watermarking

wavelet absolute moments

Weinberger prediction

wrapper search

YCbCr

zig-zag scanning