Abel François, Eric Dubois, François Facchini, Martial Foucault
Cet article se présente comme une extension du champ de l’économie du vote au domaine encore inexploré des élections professionnelles. A partir d’une analyse des suffrages obtenus par la...
Towards a Measurement Framework for Security Risk Management (2009)
Nicolas Mayer, Eric Dubois, Raimundas Matulevičius
Abstract. Risk management is currently a key tool for managing Information System (IS) security. In the context of the definition of an IS Security Risk Management (ISSRM) modelling language, we...
Abstruct-We present a block-oriented method for design of a finite set of linear predictors using a clustering algorithm on a training set. The predictors are tested with DPCM and 2-D code excited...
Benjamin Gâteau, Djamel Khadraoui, Eric Dubois, Olivier Boissier
In interactive multimedia applications, the objects composing the scene are increasingly considered as autonomous agents. Although autonomy brings flexibility and realism in the animation, these...
Michael Schmitt, Christophe Incoul, Sophie Ramel, Pierre Brimont, Eric Dubois
If business models could speak! Efficient: a framework for appraisal, design and
Birger Andersson, Maria Bergholtz, A Edirisuriya, Tharaka Ilayperuma, Paul Johannesson, Michael Schmitt, ...
Abstract. Ontologies are viewed as increasingly important tools for structuring domains of intrests. In this paper we propose a reference ontology of business models using concepts from three...
Towards a Common Ontology for Business Models (2008)
Birger Andersson, Maria Bergholtz, A Edirisuriya, Tharaka Ilayperuma, Paul Johannesson, Michael Schmitt, ...
Abstract. To create an understanding of enterprises and the ways they do business, a starting point could be to identify the main actors and the values transferred between them. Business models are...
Rule-based real-time detection of context-independent events in video shots ⋆ (2008)
Aishy Amer, Eric Dubois, Amar Mitiche
The purpose of this paper is to investigate a real-time system to detect contextindependent events in video shots. We test the system in video surveillance environments with a fixed camera. We assume...
MOTION COMPENSATED SUPER-RESOLUTION OF VIDEO BY LEVEL SETS EVOLUTION (2008)
Carlos Vázquez, Hussein Aly, Eric Dubois, Amar Mitiche
In this contribution, we present an algorithm for motion compensated video super-resolution that combines the models we have developed for regularized image up-sampling and image reconstruction from...
Object-based Postprocessing of Block Motion Fields For Video Applications (2007)
It is likely that in many applications block-matching techniques for motion estimation will be further used. In this paper, a novel object-based approach for enhancement of motion fields generated by...
Multidimensional Windows Over Arbitrary Lattices And Their Application To FIR Filter Design (2007)
Stéphane Coulombe, Eric Dubois
This paper presents some applications to FIR filter design of multi-D windows over arbitrary lattices and with arbitrary center of spatial symmetry. First, classic windows (such as Hamming, Blackman,...
Three-Dimensional Non-Separable Subband Decomposition For Coding Of Time-Varying Images (2007)
Albert Golembiowski, Eric Dubois
We propose a three-dimensional (3D) spatio-temporal subband decomposition of time-varying imagery by means of 3D non-separable filters. A subband partitioning of the image content is sought such that...
Vector Quantization and Coding of the Chromatic Information in an Image (2007)
Eric Dubois, Jamal Fadli, Daniel Lauzon
This paper presents a new method for coding the chromatic component of a color image that exploits the piecewiseconstant nature of chromatic information. The image is first transformed to a color...
Source Compression - Video (2007)
Introduction Time-varying imagery is a highly effective medium in a variety of applications including entertainment, interpersonal communication, information presentation and retrieval, and many...
Towards Region-Based Coding For Very Low Bit Rate Video Services (2007)
Janusz Konrad, Abdol-reza Mansouri, Eric Dubois
this document the segmentation S and the partition \Psi will be used interchangeably. Fig. 4 shows examples of intra-frame MDL-based segmentation for the three images from Fig. 2 and three different...
The application of 2-D finite-precision IIR filters to enhanced NTSC coding (2007)
Janusz Konrad, Jan Radecki, Eric Dubois
The goal of this paper is to study the application of two-dimensional (2-D) finiteprecision infinite impulse response (IIR) filters to enhanced NTSC coding. It is wellknown that suitable two- or...
Roel Wieringa, Eric Dubois, Sander Huyts
Abstract. In this paper, we report on the integration of informal, semiformal and formal requirements specification techniques. We present a framework for requirements specification called TRADE,...
The Challenge of Change (2007)
Giorgio De Michelis, Eric Dubois, Matthias Jarke, Florian Matthes, John Mylopoulos, Mike Papazoglou, ...
Dealing with change is one of the most fundamental challenges facing information systems professionals today. Business process restructuring, shifting alliances and new competitors, deregulation and...
Compatible NTSC system with crosstalk-free multiplexing of luminance and chrominance (2007)
c fl1997 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for...
Les déterminants politiques des choix fiscaux locaux. Le cas des départements en France (2005)
Leprince, Matthieu, Dubois, Eric, Paty, Sonia
Dans cet article, nous proposons d'analyser les liens entre les comportements fiscaux des départements et les caractéristiques du président du Conseil général et de sa majorité. Pour cela, nous...
Nacer Boudjlida, Hervé Panetto, Antonia Albani, Karim Baina, Zohra Bellahsène, Mahmoud Boufaida, ...
The aim of the “Enterprise and Networked Enterprises Interoperability ” (ENEI’05)
Towards a Risk-Based Security Requirements Engineering Framework (2005)
Nicolas Mayer, André Rifaut, Eric Dubois, Centre Recherche, Public Henri Tudor
Abstract. Information Systems (IS), particularly e-business systems, are required to be more secure in order to resist to the increasing number of attacks. Security is no longer just a desirable...
Karl Cox, Eric Dubois, Yves Pigneur, Steven J. Bleistein, June Verner, Alan M. Davis, ...
It is no longer possible to consider IT separate from the business organization it supports, and hence requirements engineering should address the business needs of an organization. Business needs...
Diversity of enterovirus sequences detected in oysters by RT-heminested PCR (2004)
DUBOIS, Eric, MERLE, Ghislaine, ROQUIER, Catherine, TROMPETTE, Aurélien, LE GUYADER, Soizick, CRUCIERE, Catherine, ...
Oysters harvested in western France, from five sites associated with outbreaks of food-borne norovirus gastroenteritis between February 2000 and March 2001, were assayed for enterovirus RNA by...
A model-based ontology of the software interoperability problems: preliminary results (2004)
Vincent Rosener, Thibaud Latour, Eric Dubois, Centre Recherche, Public Henri Tudor
Abstract. Interoperability usually refers to software system communication. Although there is no widely accepted definition, and therefore no common understanding of the context, there are multiple...
Reconstruction of irregularly-sampled images (2004)
Carlos Vázquez, Eric Dubois, Janusz Konrad
We are concerned with the reconstruction of a regularly-sampled image based on irregularly-spaced samples thereof. We propose a new iterative method based on a cubic spline representation of the...
Animating ebXML Transactions with a Workflow Engine (2003)
Rik Eshuis, Pierre Brimont, Eric Dubois, Bertrand Gregoire, Sophie Ramel
ebXML is becoming the new international standard for the specification and deployment of complex B2B transactions over the internet.
Peiran Liu, Xiaoyong Sun, Nicolas D. Georganas, Eric Dubois
This paper presents a novel approach for navigating in a Panorama-Based Virtual Environment (PBVE). A PBVE was constructed for the arbitrary view synthesis when navigating. Uses can interact with...
Real-Time Motion Estimation by Object-Matching (2002)
For High-Level Video, Aishy Amer, Amar Mitiche, Eric Dubois
Motion estimation plays a key role in many video applications, such as frame-rate video conversion, video retrieval, video surveillance, and video compression. The key issue in these applications is...
Reliable and fast structureoriented video noise estimation (2002)
Aishy Amer, Amar Mitiche, Eric Dubois
The purpose of this paper is to introduce a fast automated whitenoise estimation method which gives reliable estimates in images with smooth and textured areas. This method is a block-based method...
Robust VB 2D-CELP Image Transmission over CDMA Fading Channels (2001)
Sonia Aïssa, Eric Dubois, Charles Despins, Susumu Yoshida
This paper describes a new error resilient analysis--by--synthesis coding scheme and its application for robust still image transmission over DS-CDMA Rayleigh fading channels. The channel uses...
A Projection Method To Generate Anaglyph Stereo Images (2001)
Eric Dubois School, Eric Dubois
An anaglyph image allows the perception of depth when observed through colored glasses such as the familiar red/blue glasses. Although the method is very old, the techniques used to generate anaglyph...
Three-year study to assess human enteric viruses in shellfish (2000)
LE GUYADER, Soizick, HAUGARREAU, Larissa, MIOSSEC, Laurence, DUBOIS, Eric, POMMEPUY, Monique
The main pathogenic enteric viruses able to persist in the environment, such as hepatitis A virus (HAV), Norwalk-like virus (NLV), enterovirus (EV), rotavirus (RV), and astrovirus (AV), were detected...
Le marché des performances macro-économiques /--Eric Dubois. (2000)
Mémoire de DEA : Analyse économique des décisions publiques / Paris I ; session de 2000.
Cancellation Of Image Crosstalk In Time-Sequential Displays Of Stereoscopic Video (2000)
Janusz Konrad Bertrand, Eric Dubois
This report is an exact replica of a paper submitted to the IEEE Transactions
Wavelet-Based Reconstruction Of Irregularly-Sampled Images: Application To Stereo Imaging (2000)
Carlos Vazquez, Janusz Konrad, Eric Dubois
We are concerned with the reconstruction of a regularly-sampled image based on irregularly-spaced samples thereof. We propose a new iterative method based on a wavelet representation of the image....
Cancellation of Image Crosstalk in Time-Sequential Displays of Stereoscopic Video (2000)
Janusz Konrad, Bertrand Lacotte, Senior Member, Eric Dubois
Stereoscopic visualization systems based on liquid crystal shutter (LCS) eyewear and cathode-ray tube (CRT) displays provide today the best overall quality of 3-D images and therefore have a dominant...
In this paper, novel techniques for image segmentation and explicit object-matching-based motion estimation are presented. The principal aims of this work are to reconstruct motion-compensated images...
Developing complex, safety critical systems requires precise, unambiguous specification of requirements. A formal specification language is thus well suited to this task. Formal specification...
Coding with Dynamic Rate Control for Low-Delay Image Transmission over CDMA Fading Channels (1998)
In the context of low-delay reliable image transmission over CDMA slowly Rayleigh fading channels, this paper addresses the proposal of a coding control technique that dynamically adapts the source...
From Early to Late Formal Requirements: a Process-Control Case Study (1998)
Eric Dubois Eric, Eric Dubois, Eric Yu, Eric Yu, Michael Petit, Michael Petit
In this paper, we consider three distinct and connected modelling activities at the Requirements Engineering (RE) level. Within the context of reactive systems, we suggest how these three activities...
Arithmetic Coding Of A Lossless Contour-Based Representation Of Label Images (1998)
Lilian Labelle, Daniel Lauzon, Janusz Konrad, Eric Dubois
We propose a new method for the encoding of label images (also known as segmentation maps or alpha planes) that are often used to identify object location in region-based image and video coders. The...
Integrating Semi-Formal and Formal Software Specification Techniques (1998)
In this paper, we report on the integration of informal, semiformal and formal system specification techniques. We present a framework for system specification called TRADE, within which several...
From Early to Late Formal Requirements: a Process-Control Case Study (1998)
Eric Dubois, Eric Yu, Michael Petit
In this paper, we consider three distinct and connected modelling activities at the Requirements Engineering (RE) level. Within the context of reactive systems, we suggest how these three activities...
From Organization Models to System Requirements - A "Cooperating Agents" Approach (1998)
Eric Yu, Philippe Du Bois, Eric Dubois, John Mylopoulos
Increasingly, information systems development occurs in the context of existing systems and established organizational processes. Viewing organizational and system components as cooperating agents...
Representation And Estimation Of Motion Using A Dictionary Of Models (1998)
This paper presents a novel method for representing motion information based on a Dictionary of Motion Models and a Tag Image which indicates which motion model is used at any given image position....
From Early to Late Formal Requirements: a Process-Control Case Study (1998)
Eric Dubois, Eric Yu, Michaël Petit
In this paper, we consider three distinct and connected modelling activities at the Requirements Engineering (RE) level. Within the context of reactive systems, we suggest how these three activities...
Developing complex, safety critical systems requires precise, unambiguous specification of requirements. A formal specification language is thus well suited to this task. Formal specification...
Cooperative information systems: A manifesto (1997)
Giorgio De Michelis, Eric Dubois, Matthias Jarke, Florian Matthes, John Mylopoulos, Mike Papazoglou, ...
Information systems technology, computer-supported cooperative work practice, and organizational modeling and planning theories have evolved with only accidental contact to each other. Cooperative...
Cooperative information systems: A manifesto (1997)
Giorgio De Michelis, Eric Dubois, Matthias Jarke, Florian Matthes, John Mylopoulos, Mike Papazoglou, ...
Information systems technology, computer-supported cooperative work practice, and organizational modeling and planning theories have evolved with only accidental contact to each other. Cooperative...
c fl1997 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for...
Cooperative Information Systems: A Manifesto (1997)
Giorgio De Michelis, Eric Dubois, Matthias Jarke, Florian Matthes, John Mylopoulos, Mike Papazoglou, ...
Information systems technology, computer-supported cooperative work practice, and organizational modeling and planning theories have evolved with only accidental contact to each other. Cooperative...
Low Bit-Rate Video Transmission over Fading Channels for Wireless Microcellular Systems (1996)
Masoud Khansari, Ahmad Jalali, Eric Dubois, Paul Mermelstein
We consider the transmission of QCIF resolution (176 \Theta 144 pixels) video signals over wireless channels at transmission rates of 64 kbit/s and below. The bursty nature of the errors on the...
2D-CELP Image Coding with Block-Adaptive Prediction and Variable Code-Vector Size (1996)
We present a block-oriented method for design of a finite set of linear predictors, using a clustering algorithm on a training set. The predictors are tested with DPCM and two-dimensional code...
A Formal Framework for Managing Evolution in Manufacturing Systems (1996)
Eric Dubois, Michael Petit, Michael Petit, E. Dubois
This paper proposes a framework which aims at a more rigorous management of change.
Stéphane Coulombe, Eric Dubois
This research addresses the frequency multiplexing of multidimensional signals, having different bandwidths or defined on different lattices, with perfect or near perfect reconstruction i.e. zero or...
Using a Formal Declarative Language for Specifying Requirements Modelled in CIMOSA (1995)
In Cimosa, Michael Petit, Micha Petit, Eric Dubois, Eric Dubois, Eric Dubois, ...
Requirements Engineering is more and more considered as a central phase in the development and implementation of computer systems. Within the context of CIM, the CIMOSA project proposes a set of...
On Motion Modeling and Estimation for Very Low Bit Rate Video Coding (1995)
Janusz Konrad, Abdol-reza Mansouri, Eric Dubois, Viet-nam Dang, Jean-Bernard Chartier
In video coding at high compression rates, e.g., in very low bit rate coding, every transmitted bit carries a significant amount of information that is related either to motion parameters or to...
Design of multidimensional finite-wordlength FIR and IIR filters by simulated annealing (1995)
Jan Radecki, Jan Radecki, Janusz Konrad, Janusz Konrad, Eric Dubois, Eric Dubois
This paper describes a new approach to the design of multidimensional (M-D) finitewordlength digital filters with specifications in the frequency and spatial domains. The approach is based on...
The formal requirements engineering of manufacturing systems (1994)
Eric Dubois, Eric Dubois, Michael Petit, Michael Petit
fedu, mpeg @ info.fundp.ac.be Requirements Engineering is now widely recognised as a critical activity in the context of information system (IS) development. In this paper, we present a taxonomy of...
Approaches To Layered Coding For Dual-Rate Wireless Video Transmission (1994)
Masoud Khansari, Awais Zakauddin, Wai-yip Chan, Eric Dubois, Paul Mermelstein
Visual communications over wireless networks require the efficient and robust coding of video signals for transmission over wireless links having time-varying channel capacity. We compare several...
Agent-Oriented Requirements Engineering: A Case Study Using The ALBERT Language (1994)
Philippe Du Bois, Eric Dubois, Frederic Dubru, Michael Petit, Michael Petit
Requirements Engineering is now widely recognised as a key issue in the design and implementation of information systems. Recent research trends plead for the use of formal (i.e....
Entropy-constrained code-excited linear predictive (EC-CELP) quantization (1994)
In this contribution an entropy-constrained code-excited linear predictive quantizer (EC-CELP) is introduced. EC-CELP addresses the problems associated with high quality, low delay, low complexity,...
The discrete-time Gauss-Markov process is commonly used as a model in many source coding applications. A highly correlated Gauss-Markov process models the intensity along the motion trajectories...
Elicitating and Formalising Requirements for CIM Information Systems (1993)
Formalising Requirements, Philippe Du Bois, Eric Dubois, Michael Petit, Michael Petit
: It is now widely recognised that methods are needed for covering the whole lifecycle of Computer Integrated Manufacturing (CIM) applications. In this paper, we deal with the requirements...
Separable Diamond-Shaped Filtering For Hybrid HDTV Image Sequence Coding (1993)
: This work is a contribution to the Spread Spectrum project for terrestrial HDTV broadcasting and focuses mainly on the coding of a low frequency signal with certain requirements. A new...
Motion Estimation and Motion-Compensated Filtering of Video Signals (1993)
This paper is concerned with methods to estimate 2-D motion in time-varying images for application to motioncompensated filtering. The approach is based on the minimization of objective functions...
Spatio-Temporal Adaptive Interlaced-To-Progressive Conversion (1992)
In this paper, we propose two adaptive interlaced-to-progressive conversion techniques in which the adequacy of the estimated motion vector is evaluated. If the motion vector is unlikely to give a...
On The Design Of Finite Wordlength IIR Filters For Video Applications (1992)
Janusz Konrad, Jan Radecki, Eric Dubois
This paper addresses the problem of designing finite precision one-dimensional (1-D) infinite impulse response (IIR) digital filters for video processing. The design algorithm is based on...
Design Of Finite Wordlength 2-D IIR Filters Using Simulated Annealing (1992)
Jan Radecki, Janusz Konrad, Eric Dubois
This paper proposes a new approach to the design of two-dimensional (2-D) infinite impulse response (IIR) filters with finite precision coefficients. An objective function is proposed which combines...
Bayesian Estimation Of Motion Vector Fields (1992)
This paper presents a new approach to the estimation of two-dimensional motion vector fields from time-varying images. The approach is stochastic, both in its formulation and in the solution method....
Jan Radecki, Janusz Konrad, Eric Dubois
This paper investigates the problem of designing finite precision one-dimensional (1-D) infinite impulse response (IIR) filters with prescribed magnitude, phase and stability constraints. The design...
Design methods for recursive two-dimensional digital filters /--by Eric Dubois. (1974)
Short title on half-title page: Design of recursive two-dimensional digital filters.
The influence of local and national economic conditions on French legislative elections
This article's aim consists in building and estimating a model which explains and forecasts the outcomes of the French legislative elections by department. This model, which constitutes the first...
The Cost of Fiscal Retrenchment Revisited : How Strong is the Evidence?
Philippine Cour, Eric Dubois, Selma Mahfouz, Jean Pisani-Ferry
The impact of government deficits on growth has been, for long, the object of a controversy between the Keynesians, for whom an ex ante reduction of the government deficit has negative impacts on...
Les déterminants politiques des choix fiscaux locaux. Le cas des départements en France
Matthieu Leprince, Eric Dubois, Sonia Paty
Dans cet article, nous proposons d'analyser les liens entre les comportements fiscaux des départements et les caractéristiques du président du Conseil général et de sa majorité. Pour cela, nous...
Defining an Ontology for the Formal Requirements Engineering of Manufacturing Systems
this paper, we introduce ConceptBase a knowledge representation tool used for the integration of the three formalisms (see Sect. 2). Then in Sect. 3, we present the Albert II formal language which is...
Les déterminants politiques des choix fiscaux locaux. Le cas des départements en France
Eric Dubois, Matthieu Leprince, Sonia Paty
This article aims at analysing simultaneously three potential determinants of local tax setting by the French departments: the tax rate choices by the neighbouring departments, demographic and...