Léon J. M. Rothkrantz

Affiliations:
  • Delft University of Technology, Netherlands


According to our database1, Léon J. M. Rothkrantz authored at least 176 papers between 1995 and 2023.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

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Bibliography

2023
Model and Computation of traffic Resilience.
Proceedings of the 24th International Conference on Computer Systems and Technologies, 2023

2022
The impact of COVID-19 Epidemic on Teaching and Learning.
Proceedings of the CompSysTech '22: International Conference on Computer Systems and Technologies 2022, University of Ruse, Ruse, Bulgaria, June 17, 2022

2021
The INTERSPEECH 2021 Computational Paralinguistics Challenge: COVID-19 Cough, COVID-19 Speech, Escalation & Primates.
Proceedings of the Interspeech 2021, 22nd Annual Conference of the International Speech Communication Association, Brno, Czechia, 30 August, 2021

Personalized Digital Fitness Coach.
Proceedings of the CompSysTech '21: International Conference on Computer Systems and Technologies '21, 2021

2020
Automated Surveillance Systems of Smart Cameras in Trains.
Proceedings of the International Conference on Computer Systems and Technologies 2020, 2020

2018
Integration of MOOCs in Regular Courses.
Proceedings of the 19th International Conference on Computer Systems and Technologies, 2018

Hybrid Dynamic Route Planners.
Proceedings of the 19th International Conference on Computer Systems and Technologies, 2018

2017
Affective Didactic Models in Higher Education.
Int. J. Hum. Cap. Inf. Technol. Prof., 2017

New Didactic Models for MOOCs.
Proceedings of the CSEDU 2017, 2017

An Affective Distant Learning Model Using Avatars as User Stand-in.
Proceedings of the 18th International Conference on Computer Systems and Technologies, 2017

Multimodal cross-context recognition of negative interactions.
Proceedings of the Seventh International Conference on Affective Computing and Intelligent Interaction Workshops and Demos, 2017

2016
Recognizing Stress Using Semantics and Modulation of Speech and Gestures.
IEEE Trans. Affect. Comput., 2016

Dropout Rates of Regular Courses and MOOCs.
Proceedings of the 12th International Conference on Web Information Systems and Technologies, 2016

On the Use of Social Media in Distance Learning.
Proceedings of the 17th International Conference on Computer Systems and Technologies, 2016

Automatic detection system of micro sleeps of car drivers based on EEG analysis.
Proceedings of the 17th International Conference on Computer Systems and Technologies, 2016

2015
How Social Media Facilitate Learning Communities and Peer Groups around MOOCS.
Int. J. Hum. Cap. Inf. Technol. Prof., 2015

Bayesian Classification of Disaster Events on the Basis of Icon Messages of Observers.
Proceedings of the 12th Proceedings of the International Conference on Information Systems for Crisis Response and Management, 2015

Dynamic Routing during Disaster Events.
Proceedings of the 12th Proceedings of the International Conference on Information Systems for Crisis Response and Management, 2015

Dynamic routing using maximal road capacity.
Proceedings of the 16th International Conference on Computer Systems and Technologies, 2015

Cross-corpus analysis for acoustic recognition of negative interactions.
Proceedings of the 2015 International Conference on Affective Computing and Intelligent Interaction, 2015

2014
An audio-visual dataset of human-human interactions in stressful situations.
J. Multimodal User Interfaces, 2014

Ant-based vehicle congestion avoidance system using vehicular networks.
Eng. Appl. Artif. Intell., 2014

Personal warning system for vessels under bad weather conditions.
Proceedings of the 11th Proceedings of the International Conference on Information Systems for Crisis Response and Management, 2014

Online emotional facial expression dictionary.
Proceedings of the 15th International Conference on Computer Systems and Technologies, 2014

Intraday stock forecasting.
Proceedings of the 15th International Conference on Computer Systems and Technologies, 2014

2013
Shopping behavior recognition using a language modeling analogy.
Pattern Recognit. Lett., 2013

Semantic assessment of shopping behavior using trajectories, shopping related actions, and context information.
Pattern Recognit. Lett., 2013

A comparative study on automatic audio-visual fusion for aggression detection using meta-information.
Pattern Recognit. Lett., 2013

Crisis management using multiple camera surveillance systems.
Proceedings of the 10th Proceedings of the International Conference on Information Systems for Crisis Response and Management, 2013

The Influence of the Sampling Frequency of a Video Recording on a Heart-rate Detection Algorithm.
Proceedings of the ICPRAM 2013, 2013

A surveillance system of a military harbour using an automatic identification system.
Proceedings of the Computer Systems and Technologies, 2013

Dynamic indoor localization and awareness using sensor-networks.
Proceedings of the Computer Systems and Technologies, 2013

Noncontact automatic heart rate analysis in visible spectrum by specific face regions.
Proceedings of the Computer Systems and Technologies, 2013

2012
Aggression Detection in Speech Using Sensor and Semantic Information.
Proceedings of the Text, Speech and Dialogue - 15th International Conference, 2012

Message from the program chairs.
Proceedings of the 9th Proceedings of the International Conference on Information Systems for Crisis Response and Management, 2012

ISCRAM 2012 Conference Proceedings - 9th International Conference on Information Systems for Crisis Response and Management.
Proceedings of the 9th Proceedings of the International Conference on Information Systems for Crisis Response and Management, 2012

Assessment of customers' level of interest.
Proceedings of the 19th IEEE International Conference on Image Processing, 2012

Learning 3D AAM Fitting with Kernel Methods.
Proceedings of the Artificial Intelligence and Soft Computing, 2012

Learning the fusion of audio and video aggression assessment by meta-information from human annotations.
Proceedings of the 15th International Conference on Information Fusion, 2012

Automatic assessment of facial expressions using fiducial points.
Proceedings of the 2012 Conference on Computer Systems and Technologies, 2012

Automated safety control by video cameras.
Proceedings of the 2012 Conference on Computer Systems and Technologies, 2012

JobScan.
Proceedings of the 2012 Conference on Computer Systems and Technologies, 2012

A grammar-free visual language-based communication.
Proceedings of the 2012 Conference on Computer Systems and Technologies, 2012

Car driver skills assessment based on driving postures recognition.
Proceedings of the IEEE 3rd International Conference on Cognitive Infocommunications, 2012

Automatic Audio-Visual Fusion for Aggression Detection Using Meta-information.
Proceedings of the Ninth IEEE International Conference on Advanced Video and Signal-Based Surveillance, 2012

2011
Assessment of Behaviour in Serious Games of Driving Simulators.
Int. J. Intell. Games Simul., 2011

Automatic stress detection in emergency (telephone) calls.
Int. J. Intell. Def. Support Syst., 2011

Addressing Multimodality in Overt Aggression Detection.
Proceedings of the Text, Speech and Dialogue - 14th International Conference, 2011

Design of Evolvable Biologically Inspired Classifiers.
Proceedings of the Nature Inspired Cooperative Strategies for Optimization, 2011

Personal Advanced Traveler Assistant.
Proceedings of the ICINCO 2011 - Proceedings of the 8th International Conference on Informatics in Control, Automation and Robotics, Volume 2, Noordwijkerhout, The Netherlands, 28, 2011

Surveillance system using abandoned object detection.
Proceedings of the 12th International Conference on Computer Systems and Technologies, 2011

Dynamic Bayesian networks for situational awareness in the presence of noisy data.
Proceedings of the 12th International Conference on Computer Systems and Technologies, 2011

Risk analysis of a video-surveillance system.
Proceedings of the 12th International Conference on Computer Systems and Technologies, 2011

An adaptive circular (text) input for handheld devices.
Proceedings of the 12th International Conference on Computer Systems and Technologies, 2011

Emotion recognition using bimodal data fusion.
Proceedings of the 12th International Conference on Computer Systems and Technologies, 2011

Detecting Customers' Buying Events on a Real-Life Database.
Proceedings of the Computer Analysis of Images and Patterns, 2011

Kinect Sensing of Shopping Related Actions.
Proceedings of the Constructing Ambient Intelligence, 2011

2010
Context-Aware Multimodal Human-Computer Interaction.
Proceedings of the Interactive Collaborative Information Systems, 2010

Evolutionary Optimization of Least-Squares Support Vector Machines.
Proceedings of the Data Mining - Special Issue in Annals of Information Systems, 2010

Design and Implementation of a Bayesian Network Speech Recognizer.
Proceedings of the Text, Speech and Dialogue, 13th International Conference, 2010

Emotion Recognition from Speech by Combining Databases and Fusion of Classifiers.
Proceedings of the Text, Speech and Dialogue, 13th International Conference, 2010

Automatic Lip Reading in the Dutch Language Using Active Appearance Models on High Speed Recordings.
Proceedings of the Text, Speech and Dialogue, 13th International Conference, 2010

Automatic aggression detection inside trains.
Proceedings of the IEEE International Conference on Systems, 2010

Analysis of shopping behavior based on surveillance system.
Proceedings of the IEEE International Conference on Systems, 2010

Products appreciation by facial expressions analysis.
Proceedings of the 11th International Conference on Computer Systems and Technologies and Workshop for PhD Students in Computing, 2010

EmoReSp: an online emotion recognizer based on speech.
Proceedings of the 11th International Conference on Computer Systems and Technologies and Workshop for PhD Students in Computing, 2010

Stress assessment of car-drivers using EEG-analysis.
Proceedings of the 11th International Conference on Computer Systems and Technologies and Workshop for PhD Students in Computing, 2010

2009
MDE and customization of modeling and simulation web applications.
Simul. Model. Pract. Theory, 2009

Collaborative Robot Agents For AIBO Soccer.
Int. J. Intell. Games Simul., 2009

Travel Time Prediction for Dynamic Routing using Ant Based Control.
Proceedings of the 2009 Winter Simulation Conference, 2009

Lexical Affinity Measure between Words.
Proceedings of the Text, Speech and Dialogue, 12th International Conference, 2009

Combining Topic Information and Structure Information in a Dynamic Language Model.
Proceedings of the Text, Speech and Dialogue, 12th International Conference, 2009

Multimodal Labeling.
Proceedings of the Text, Speech and Dialogue, 12th International Conference, 2009

Detecting Stress using Eye Blinks during Game Playing.
Proceedings of the GAMEON'2009, 2009

Acoustic inversion with self noise of an autonomous underwater vehicle to measure sound speed in marine sediments.
Proceedings of the 12th International Conference on Information Fusion, 2009

Dynamic routing using the network of car drivers.
Proceedings of the 2009 Euro American conference on Telematics and Information Systems: New Opportunities to increase Digital Citizenship, 2009

A Bayesian approach to recognise facial expressions using vector flows.
Proceedings of the 2009 International Conference on Computer Systems and Technologies and Workshop for PhD Students in Computing, 2009

A bottom-up approach of fusion of events in surveillance systems.
Proceedings of the 2009 International Conference on Computer Systems and Technologies and Workshop for PhD Students in Computing, 2009

FACS-coding of facial expressions.
Proceedings of the 2009 International Conference on Computer Systems and Technologies and Workshop for PhD Students in Computing, 2009

2008
Invincible - A Stratego Bot.
Int. J. Intell. Games Simul., 2008

The Generation of Emotional Expressions for a Text-Based Dialogue Agent.
Proceedings of the Text, Speech and Dialogue, 11th International Conference, 2008

Da Vinci Code Game An Neural Network approach to an imperfect information game.
Proceedings of the GAMEON'2008, 2008

Mshindi - an Awalé winner.
Proceedings of the GAMEON'2008, 2008

Automatic bi-modal emotion recognition system based on fusion of facial expressions and emotion extraction from speech.
Proceedings of the 8th IEEE International Conference on Automatic Face and Gesture Recognition (FG 2008), 2008

Address block segmentation using ensemble-clustering techniques.
Proceedings of the 9th International Conference on Computer Systems and Technologies and Workshop for PhD Students in Computing, 2008

Emotion recognition using brain activity.
Proceedings of the 9th International Conference on Computer Systems and Technologies and Workshop for PhD Students in Computing, 2008

Dynamic Routing and Travel Time Prediction with Ant Based Control.
Proceedings of the Ant Colony Optimization and Swarm Intelligence, 2008

2007
Solving games: Dependence of applicable solving procedures.
Sci. Comput. Program., 2007

Comparison between different feature extraction techniques for audio-visual speech recognition.
J. Multimodal User Interfaces, 2007

Exploratory Analysis of Word Use and Sentence Length in the Spoken Dutch Corpus.
Proceedings of the Text, Speech and Dialogue, 10th International Conference, 2007

An Adaptive Keyboard with Personalized Language-Based Features.
Proceedings of the Text, Speech and Dialogue, 10th International Conference, 2007

Dynamic Scripting in Crisis Environments.
Proceedings of the Usability and Internationalization. Global and Local User Interfaces, 2007

Human Communication Based on Icons in Crisis Environments.
Proceedings of the Usability and Internationalization. Global and Local User Interfaces, 2007

A System for Adaptive Multimodal Interaction in Crisis Environments.
Proceedings of the Usability and Internationalization. Global and Local User Interfaces, 2007

AIBO as a Needs-Based Companion Dog.
Proceedings of the GAMEON'2007, 2007

Multimodal workbench for automatic surveillance applications.
Proceedings of the 2007 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR 2007), 2007

Implementing and improving a method for non-invasive elicitation of probabilities for Bayesian networks.
Proceedings of the 2007 International Conference on Computer Systems and Technologies, 2007

Facial expression recognition in still pictures and videos using active appearance models: a comparison approach.
Proceedings of the 2007 International Conference on Computer Systems and Technologies, 2007

2006
Automated path and route finding through arbitrary complex 3D polygonal worlds.
Robotics Auton. Syst., 2006

Dynamic Bayesian Networks for Language Modeling.
Proceedings of the Text, Speech and Dialogue, 9th International Conference, 2006

Two-Dimensional Visual Language Grammar.
Proceedings of the Text, Speech and Dialogue, 9th International Conference, 2006

Constructing Knowledge of the World in Crisis Situations using Visual Language.
Proceedings of the IEEE International Conference on Systems, 2006

Hierarchical Routing in Traffic Using Swarm-Intelligence.
Proceedings of the IEEE Intelligent Transportation Systems Conference, 2006

Topic-based language modeling with dynamic Bayesian networks.
Proceedings of the INTERSPEECH 2006, 2006

Lexical stress in continuous speech recognition.
Proceedings of the INTERSPEECH 2006, 2006

Ant Based Mechanism for Crisis Response Coordination.
Proceedings of the Ant Colony Optimization and Swarm Intelligence, 2006

2005
Parametric Generation of Facial Expressions Based on FACS.
Comput. Graph. Forum, 2005

Fusing Data Streams in Continuous Audio-Visual Speech Recognition.
Proceedings of the Text, Speech and Dialogue, 8th International Conference, 2005

Language-Independent Communication Using Icons on a PDA.
Proceedings of the Text, Speech and Dialogue, 8th International Conference, 2005

Modelling Lexical Stress.
Proceedings of the Text, Speech and Dialogue, 8th International Conference, 2005

Communication in Crisis Situations Using Icon Language.
Proceedings of the 2005 IEEE International Conference on Multimedia and Expo, 2005

Facial Expression Recognition with Relevance Vector Machines.
Proceedings of the 2005 IEEE International Conference on Multimedia and Expo, 2005

Smooth Bayesian Kernel Machines.
Proceedings of the Artificial Neural Networks: Formal Models and Their Applications, 2005

Personal Intelligent Travel Assistant. A distributed approach.
Proceedings of the 2005 International Conference on Artificial Intelligence, 2005

AI techniques for face detection.
Proceedings of the BNAIC 2005, 2005

Personality model for a companion AIBO.
Proceedings of the International Conference on Advances in Computer Entertainment Technology, 2005

Chapter 21 H-ABC: A Scalable Dynamic Routing Algorithm.
Proceedings of the Recent Advances in Artificial Life, 2005

2004
Facial action recognition for facial expression analysis from static face images.
IEEE Trans. Syst. Man Cybern. Part B, 2004

Voice Stress Analysis.
Proceedings of the Text, Speech and Dialogue, 7th International Conference, 2004

Multimodal Dialogue Management.
Proceedings of the Text, Speech and Dialogue, 7th International Conference, 2004

Dynamic traffic routing using ant based control.
Proceedings of the IEEE International Conference on Systems, 2004

Multi-medial stress assessment.
Proceedings of the IEEE International Conference on Systems, 2004

Design and test of a communication based advanced driver assistance system.
Proceedings of the IEEE International Conference on Systems, 2004

Facial recognition system for driver vigilance monitoring.
Proceedings of the IEEE International Conference on Systems, 2004

Automatic recognition of facial expressions using Bayesian belief networks.
Proceedings of the IEEE International Conference on Systems, 2004

Case-based reasoning for user-profiled recognition of emotions from face images.
Proceedings of the 2004 IEEE International Conference on Multimedia and Expo, 2004

Facial action detection from dual-view static face images.
Proceedings of the IEEE International Conference on Fuzzy Systems, 2004

Groups of Collaborating Users and Agents in Ambient Intelligent Environments.
Proceedings of the 3rd International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS 2004), 2004

Dynamic Routing in Mobile Wireless Networks Using ABC-AdHoc.
Proceedings of the Ant Colony Optimization and Swarm Intelligence, 2004

Dynamic Routing in Traffic Networks Using AntNet.
Proceedings of the Ant Colony Optimization and Swarm Intelligence, 2004

2003
Toward an affect-sensitive multimodal human-computer interaction.
Proc. IEEE, 2003

Improving Speech Recognition by Utilizing Domain Knowledge and Confidence Measures.
Proceedings of the Text, Speech and Dialogue, 6th International Conference, 2003

A Multi-modal Eliza Using Natural Language Processing and Emotion Recognition.
Proceedings of the Text, Speech and Dialogue, 6th International Conference, 2003

Using confidence measures and domain knowledge to improve speech recognition.
Proceedings of the 8th European Conference on Speech Communication and Technology, EUROSPEECH 2003, 2003

Robot Rescue: A Rescue Service Based on Dynamic Routing.
Proceedings of the 4th International Conference on Intelligent Games and Simulation (GAME-ON 2003), 2003

A Rule Based and Probabilistic System for a Situation Recognition in a Flight Simulator.
Proceedings of the 4th International Conference on Intelligent Games and Simulation (GAME-ON 2003), 2003

Grammatical Evolution with Bidirectional Representation.
Proceedings of the Genetic Programming, 6th European Conference, EuroGP 2003, 2003

Fuzzy-logical Implementation of Cooccurrence Rules for Combining AUS.
Proceedings of the Sixth IASTED International Conference on Computer Graphics and Imaging, 2003

2002
Artificial Player for Quake III Arena.
Int. J. Intell. Games Simul., 2002

Knowledge Based Speech Interfacing for Handhelds.
Proceedings of the Text, Speech and Dialogue, 5th International Conference, 2002

Integration of Speech Recognition and Automatic Lip-Reading.
Proceedings of the Text, Speech and Dialogue, 5th International Conference, 2002

Facial gesture recognition in face image sequences: a study on facial gestures typical for speech articulation.
Proceedings of the IEEE International Conference on Systems, Man and Cybernetics: Bridging the Digital Divide, Yasmine Hammamet, Tunisia, October 6-9, 2002, 2002

Genetic Algorithm with Limited Convergence.
Proceedings of the 6th Joint Conference on Information Science, 2002

Graphed Evolutionary Computing.
Proceedings of the 6th Joint Conference on Information Science, 2002

An audio-visual corpus for multimodal speech recognition in dutch language.
Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002

Medium vocabulary continuous audio-visual speech recognition.
Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002

Facial action recognition in face profile image sequences.
Proceedings of the 2002 IEEE International Conference on Multimedia and Expo, 2002

Artificial Intelligence in a Flight Simulator Environment.
Proceedings of the 3rd International Conference on Intelligent Games and Simulation (GAME-ON 2002), 2002

A Multimodal Lego Robot.
Proceedings of the 3rd International Conference on Intelligent Games and Simulation (GAME-ON 2002), 2002

2001
Determining User Interface Semantics Using Communicating Agents.
Proceedings of the Text, Speech and Dialogue, 4th International Conference, 2001

A hybrid approach to mouth features detection.
Proceedings of the IEEE International Conference on Systems, 2001

Using aerial and geometric features in automatic lip-reading.
Proceedings of the EUROSPEECH 2001 Scandinavia, 2001

Affect-Sensitive Multi-Modal Monitoring in Ubiquitous Computing: Advances and Challenges.
Proceedings of the ICEIS 2001, 2001

Stratego Expert System Shell.
Proceedings of the 2nd International Conference on Intelligent Games and Simulation (GAME-ON 2001), November 30, 2001

Obtaining person-independent feature space for lip reading.
Proceedings of the Auditory-Visual Speech Processing, 2001

2000
Automatic Analysis of Facial Expressions: The State of the Art.
IEEE Trans. Pattern Anal. Mach. Intell., 2000

Expert system for automatic analysis of facial expressions.
Image Vis. Comput., 2000

A Text Based Talking Face.
Proceedings of the Text, Speech and Dialogue - Third International Workshop, 2000

Dialogue Control in the Alparon System.
Proceedings of the Text, Speech and Dialogue - Third International Workshop, 2000

Self-adaptive expert system for facial expression analysis.
Proceedings of the IEEE International Conference on Systems, 2000

A domain-independent model to improve spelling in a web environment.
Proceedings of the Sixth International Conference on Spoken Language Processing, 2000

A Performance Based Parametric Model for Facial Animation.
Proceedings of the 2000 IEEE International Conference on Multimedia and Expo, 2000

An Expert System for Recognition of Facial Actions and their Intensity.
Proceedings of the Seventeenth National Conference on Artificial Intelligence and Twelfth Conference on on Innovative Applications of Artificial Intelligence, July 30, 2000

1999
Speech Recognition Using Elman Neural Networks.
Proceedings of the Text, Speech and Dialogue - Second International Workshop, 1999

An Expert System for Multiple Emotional Classification of Facial Expressions.
Proceedings of the 11th IEEE International Conference on Tools with Artificial Intelligence, 1999

1998
Design of a command interface with a dynamic grammar speech recognition engine.
Proceedings of the 9th European Signal Processing Conference, 1998

A Multimedial Tool to Analyze Facial Expressions.
Proceedings of the EUROMEDIA 1998 featuring WEBTEC-MEDIATEC-COMTEC-APTEC, 1998

Automation of Non-Verbal Communication of Facial Expressions.
Proceedings of the EUROMEDIA 1998 featuring WEBTEC-MEDIATEC-COMTEC-APTEC, 1998

Computer Assisted Study Planning.
Proceedings of the EUROMEDIA 1998 featuring WEBTEC-MEDIATEC-COMTEC-APTEC, 1998

The Neocognitron in an Educational and Simulation Environment.
Proceedings of the 12<sup>th</sup> European Simulation Multiconference - Simulation, 1998

Workload in Parallel Speech Processing.
Proceedings of the 12<sup>th</sup> European Simulation Multiconference - Simulation, 1998

1997
Ant-Based Load Balancing in Telecommunications Networks.
Adapt. Behav., 1997

An appreciation study of an ASR inquiry system.
Proceedings of the Fifth European Conference on Speech Communication and Technology, 1997

1996
An Educational Site on the World Wide Web.
Proceedings of the EUROMEDIA 1996 featuring WEBTEC-MEDIATEC-COMTEC-APTEC, 1996

Classification of Public Transport Information Dialogues Using an Information-Based Coding Scheme.
Proceedings of the Dialogue Processing in Spoken Language Systems, 1996

1995
A Workbench for Neural Control in a Simulation Environment.
Proceedings of the EUROSIM'96, 1995


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