Articles

Compression Independent Reversible Encryption for Privacy in Video Surveillance

One of the main concerns of the wide use of video surveillance is the loss of individual privacy. Individuals who are not suspects need not be identified on camera recordings. Mechanisms that protect the ident...

Authors: Paula Carrillo, Hari Kalva and Spyros Magliveras

Recoverable Privacy Protection for Video Content Distribution

This paper presents a method which attains recoverable privacy protection for video content distribution. The method is based on discrete wavelet transform (DWT), which generates scaling coefficients and wavel...

Authors: Guangzhen Li, Yoshimichi Ito, Xiaoyi Yu, Naoko Nitta and Noboru Babaguchi

Encrypted Domain DCT Based on Homomorphic Cryptosystems

Signal processing in the encrypted domain (s.p.e.d.) appears an elegant solution in application scenarios, where valuable signals must be protected from a possibly malicious processing device. In this paper, w...

Authors: Tiziano Bianchi, Alessandro Piva and Mauro Barni

One-Time Key Based Phase Scrambling for Phase-Only Correlation between Visually Protected Images

One-time key based phase scrambling is proposed for privacy-protected image matching. The image matching is performed using invisible templates that are protected by phase scrambling. A key for phase scramblin...

Authors: Izumi Ito (EURASIP Member) and Hitoshi Kiya (EURASIP Member)

High-Rate Data-Hiding Robust to Linear Filtering for Colored Hosts

The discrete Fourier transform-rational dither modulation (DFT-RDM) has been proposed as a way to provide robustness to linear-time-invariant (LTI) filtering for quantization-based watermarking systems. This s...

Authors: Michele Scagliola, Fernando Pérez-González and Pietro Guccione

An Extended Image Hashing Concept: Content-Based Fingerprinting Using FJLT

Dimension reduction techniques, such as singular value decomposition (SVD) and nonnegative matrix factorization (NMF), have been successfully applied in image hashing by retaining the essential features of the...

Authors: Xudong Lv and ZJane Wang

Anonymous Biometric Access Control

Access control systems using the latest biometric technologies can offer a higher level of security than conventional password-based systems. Their widespread deployments, however, can severely undermine indiv...

Authors: Shuiming Ye, Ying Luo, Jian Zhao and Sen-ChingS Cheung

Video Data Hiding for Managing Privacy Information in Surveillance Systems

From copyright protection to error concealment, video data hiding has found usage in a great number of applications. In this work, we introduce the detailed framework of using data hiding for privacy informati...

Authors: JithendraK Paruchuri, Sen-chingS Cheung and MichaelW Hail

Secure Steganography in Multimedia Content

Authors: Miroslav Goljan and Andreas Westfeld

A Novel Image Data Hiding Scheme with Diamond Encoding

A novel data hiding scheme in digital images with the diamond encoding by pixel value adjustment is proposed. The proposed method is the extension of the exploiting modification direction (EMD) embedding schem...

Authors: Ruey-Ming Chao, Hsien-Chu Wu, Chih-Chiang Lee and Yen-Ping Chu

Reliable Steganalysis Using a Minimum Set of Samples and Features

This paper proposes to determine a sufficient number of images for reliable classification and to use feature selection to select most relevant features for achieving reliable steganalysis. First dimensionalit...

Authors: Yoan Miche, Patrick Bas, Amaury Lendasse, Christian Jutten and Olli Simula

Improving the Security of CardSpace

CardSpace (formerly known as InfoCard) is a digital identity management system that has recently been adopted by Microsoft. In this paper we identify two security shortcomings in CardSpace that could lead to a...

Authors: WaleedA Alrodhan and ChrisJ Mitchell

Steganography in 3D Geometries and Images by Adjacent Bin Mapping

A steganographic method called adjacent bin mapping (ABM) is presented. Firstly, it is applied to 3D geometries by mapping the coordinates within two adjacent bins for data embedding. When applied to digital i...

Authors: Hao-Tian Wu and Jean-Luc Dugelay

Peak-Shaped-Based Steganographic Technique for JPEG Images

A novel model-based steganographic technique for JPEG images is proposed where the model, derived from heuristic assumptions about the shape of the DCT frequency histograms, is dependent on a stegokey. The sec...

Authors: Lorenzo Rossi, Fabio Garzia and Roberto Cusani

How Reed-Solomon Codes Can Improve Steganographic Schemes

The use of syndrome coding in steganographic schemes tends to reduce distortion during embedding. The more complete model comes from the wet papers (J. Fridrich et al., 2005) and allow to lock positions which ...

Authors: Caroline Fontaine and Fabien Galand

Overview on Selective Encryption of Image and Video: Challenges and Perspectives

In traditional image and video content protection schemes, called fully layered, the whole content is first compressed. Then, the compressed bitstream is entirely encrypted using a standard cipher (DES, AES, I...

Authors: A. Massoudi, F. Lefebvre, C. De Vleeschouwer, B. Macq and J.-J. Quisquater

Experimental Assessment of the Reliability for Watermarking and Fingerprinting Schemes

We introduce the concept of reliability in watermarking as the ability of assessing that a probability of false alarm is very low and below a given significance level. We propose an iterative and self-adapting...

Authors: Frédéric Cérou, Teddy Furon and Arnaud Guyader

An Efficient Watermarking Technique for the Protection of Fingerprint Images

This paper describes an efficient watermarking technique for use to protect fingerprint images. The rationale is to embed the watermarks into the ridges area of the fingerprint images so that the technique is ...

Authors: K. Zebbiche, F. Khelifi and A. Bouridane

Broken Arrows

This paper makes an account of the design and investigations done for the still image watermarking technique used in the 2nd edition of the BOWS challenge. This technique is named “broken arrows” for some reas...

Authors: Teddy Furon and Patrick Bas

Novel Attacks on Spread-Spectrum Fingerprinting

Spread-spectrum watermarking is generally considered to be robust against collusion attacks, and thereby suitable for digital fingerprinting. We have previously introduced the minority extreme attack (IWDW' 07...

Authors: HansGeorg Schaathun

Design and Evaluation of a Pressure-Based Typing Biometric Authentication System

The design and preliminary evaluation of a pressure sensor-based typing biometrics authentication system (PBAS) is discussed in this paper. This involves the integration of pressure sensors, signal processing ...

Authors: Wasil Elsadig Eltahir, M. J. E. Salami, Ahmad Faris Ismail and Weng Kin Lai

Stochastic Image Warping for Improved Watermark Desynchronization

The use of digital watermarking in real applications is impeded by the weakness of current available algorithms against signal processing manipulations leading to the desynchronization of the watermark embedde...

Authors: Angela D'Angelo, Mauro Barni and Neri Merhav

Joint Encryption and Compression of Correlated Sources with Side Information

We propose a joint encryption and compression (JEC) scheme with emphasis on application to video data. The proposed JEC scheme uses the philosophy of distributed source coding with side information to reduce t...

Authors: M. A. Haleem, K. P. Subbalakshmi and R. Chandramouli

Efficient and Syntax-Compliant JPEG 2000 Encryption Preserving Original Fine Granularity of Scalability

A novel syntax-compliant encryption primitive and an efficient syntax-compliant JPEG 2000 encryption scheme are presented in this paper. The syntax-compliant encryption primitive takes, as input, syntax-compli...

Authors: Yang Yang, Bin B. Zhu, Shipeng Li and Nenghai Yu

The Interplay between Compression and Security for Image and Video Communication and Adaptation over Networks

Authors: Enrico Magli and Qibin Sun

Format-Compliant JPEG2000 Encryption in JPSEC: Security, Applicability, and the Impact of Compression Parameters

JPEG2000 encryption has become a widely discussed topic and quite a number of contributions have been made. However, little is known about JPEG2000 compression parameters and their influence on the security an...

Authors: Dominik Engel, Thomas Stütz and Andreas Uhl

A Workbench for the BOWS Contest

The first break our watermarking system (BOWS) contest challenged researchers to remove the watermark from three given images. Participants could submit altered versions of the images to an online detector. Fo...

Authors: Andreas Westfeld

Key-Dependent JPEG2000-Based Robust Hashing for Secure Image Authentication

We discuss a robust image authentication scheme based on a hash string constructed from leading JPEG2000 packet data. Motivated by attacks against the approach, key-dependency is added by means of employing a ...

Authors: Gerold Laimer and Andreas Uhl

Efficient Zero-Knowledge Watermark Detection with Improved Robustness to Sensitivity Attacks

Zero-knowledge watermark detectors presented to date are based on a linear correlation between the asset features and a given secret sequence. This detection function is susceptible of being attacked by sensit...

Authors: Juan Ramón Troncoso-Pastoriza and Fernando Pérez-González

An Efficient Objective Intelligibility Measure for Frequency Domain Scramblers

An objective performance measure is proposed to evaluate the intelligibility of a speech signal having its frequency subbands permuted. The proposed tool can be used to generate efficient keys for frequency do...

Authors: AMCR Borzino, JA Apolinário Jr. and DG da Silva

Breaking the BOWS Watermarking System: Key Guessing and Sensitivity Attacks

From December 15, 2005 to June 15, 2006, the watermarking community was challenged to remove the watermark from 3 different 512×512 watermarked images while maximizing the peak signal-to-noise ratio (PSNR) measur...

Authors: Pedro Comesaña and Fernando Pérez-González

Markov Modelling of Fingerprinting Systems for Collision Analysis

Multimedia fingerprinting, also known as robust or perceptual hashing, aims at representing multimedia signals through compact and perceptually significant descriptors (hash values). In this paper, we examine ...

Authors: Neil J. Hurley, Félix Balado and Guénolé C. M. Silvestre

Secure Multiparty Computation between Distrusted Networks Terminals

One of the most important problems facing any distributed application over a heterogeneous network is the protection of private sensitive information in local terminals. A subfield of cryptography called secur...

Authors: S.-C. S. Cheung and Thinh Nguyen

Reverse-Engineering a Watermark Detector Using an Oracle

The Break Our Watermarking System (BOWS) contest gave researchers three months to defeat an unknown watermark, given three marked images and online access to a watermark detector. The authors participated in t...

Authors: Scott Craver, Idris Atakli and Jun Yu

A Survey of Homomorphic Encryption for Nonspecialists

Processing encrypted signals requires special properties of the underlying encryption scheme. A possible choice is the use of homomorphic encryption. In this paper, we propose a selection of the most important...

Authors: Caroline Fontaine and Fabien Galand

Anonymous Fingerprinting with Robust QIM Watermarking Techniques

Fingerprinting is an essential tool to shun legal buyers of digital content from illegal redistribution. In fingerprinting schemes, the merchant embeds the buyer's identity as a watermark into the content so t...

Authors: J. P. Prins, Z. Erkin and R. L. Lagendijk

Audio Watermarking through Deterministic plus Stochastic Signal Decomposition

This paper describes an audio watermarking scheme based on sinusoidal signal modeling. To embed a watermark in an original signal (referred to as a cover signal hereafter), the following steps are taken. (a) A sh...

Authors: Yi-Wen Liu and Julius O. Smith

Transmission Error and Compression Robustness of 2D Chaotic Map Image Encryption Schemes

This paper analyzes the robustness properties of 2D chaotic map image encryption schemes. We investigate the behavior of such block ciphers under different channel error types and find the transmission error r...

Authors: Michael Gschwandtner, Andreas Uhl and Peter Wild

Multimedia Encryption with Joint Randomized Entropy Coding and Rotation in Partitioned Bitstream

This work investigates the problem of efficient multimedia data encryption. A novel methodology is proposed to achieve encryption by controlling certain operations in the data compression process using a secre...

Authors: Dahua Xie and C-CJay Kuo

Design and Analysis of the First BOWS Contest

The break our watermarking system (BOWS) contest was launched in the framework of the activities carried out by the European Network of Excellence for Cryptology ECRYPT. The aim of the contest was to investiga...

Authors: A Piva and M Barni

Joint Source, Channel Coding, and Secrecy

We introduce the concept of joint source coding, channel coding, and secrecy. In particular, we propose two practical joint schemes: the first one is based on error-correcting randomized arithmetic codes, whil...

Authors: Enrico Magli, Marco Grangetto and Gabriella Olmo

Digital Video Encryption Algorithms Based on Correlation-Preserving Permutations

A novel encryption model for digital videos is presented. The model relies on the encryption-compression duality of certain types of permutations acting on video frames. In essence, the proposed encryption pro...

Authors: Daniel Socek, Spyros Magliveras, Dubravko Ćulibrk, Oge Marques, Hari Kalva and Borko Furht

Oblivious Neural Network Computing via Homomorphic Encryption

The problem of secure data processing by means of a neural network (NN) is addressed. Secure processing refers to the possibility that the NN owner does not get any knowledge about the processed data since the...

Authors: C Orlandi, A Piva and M Barni