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Displaying 1-13 out of 13 total
On Modeling Children?s Non-Verbal Interactions during Computer Mediated Music Composition: A Case Study in Primary School Peers
Found in: Advanced Learning Technologies, IEEE International Conference on
By Georgia N. Nikolaidou, Sofia J. Hadjileontiadou, Leontios J. Hadjileontiadis
Issue Date:September 2004
pp. 756-758
The proposed paper aims to model the non-verbal interactions that occur during a computer-mediated music composition process between pupils in primary school within a collaborative framework. The socio-cultural approach, drawn from Vygotsky?s theoretical c...
 
A Fuzzy Logic Evaluating System to Support Web-Based Collaboration Using Collaborative and Metacognitive Data
Found in: Advanced Learning Technologies, IEEE International Conference on
By Sofia J. Hadjileontiadou, Georgia N. Nikolaidou, Leontios J. Hadjileontiadis, George N. Balafoutas
Issue Date:July 2003
pp. 96
In this paper, a fuzzy logic-based expert system, namely Collaboration/Reflection-Fuzzy Inference System (C/R-FIS,) is presented. By means of interconnected Fuzzy Inference Systems (FIS), it automatically evaluates the collaborative activity, during asynch...
 
?SEE and SEE?: An Educational Tool for Kids with Hard of Hearing
Found in: Advanced Learning Technologies, IEEE International Conference on
By Panagiotis Petrantonakis, Vasiliki Kosmidou, Magda Nikolaraizi, Sofia Koutsogiorgou, Leontios J. Hadjileontiadis
Issue Date:July 2008
pp. 1032-1033
An educational software, namely “SEE and SEE”, that aims to enhance literacy skills of deaf or hard of hearing children is presented in this paper. The pro-posed computer-based educational environment, takes into account children’s visual learning characte...
 
NOESIS: An Enhanced Educational Environment for Kids with Autism Spectrum Disorders
Found in: Advanced Learning Technologies, IEEE International Conference on
By Jason Vittorias, Panagiotis Petrantonakis, Dimitris Bolis, Alexandra Tsiligkyri, Vasiliki Kosmidou, Leontios J. Hadjileontiadis
Issue Date:July 2008
pp. 1019-1020
A novel educational environment for kids with autistic spectrum disorders (ASDs), namely NOESIS, is presented in this paper. NOESIS takes into account ASD kids’ individual characteristics (level of autism, source sensitivity, reaction target, etc), their e...
 
Automated Iris and Gaze Detection Using Chrominance: Application to Human-Computer Interaction Using a Low Resolution Webcam
Found in: Tools with Artificial Intelligence, IEEE International Conference on
By Leonidas G. Kourkoutis, Konstantinos I. Panoulas, Leontios J. Hadjileontiadis
Issue Date:October 2007
pp. 536-539
Human-computer interaction requires efficient acquisition of the relevant information from the user. This poses high accuracy in the performance of the relevant systems, especially when visual information is used as the basic means to capture the user's in...
 
A Higher-Order Statistics-based Phase Identification of Three-Component Seismograms in a Redundant Wavelet Transform Domain
Found in: Signal Processing Workshop on High-Order Statistics, IEEE
By Christos D. Saragiotis, Leontios J. Hadjileontiadis, Stavros M. Panas
Issue Date:June 1999
pp. 0396
An efficient identification of P and S phases of three component seismograms (3-CS) using higher-order statistics (HOS) in a redundant wavelet transform domain (R-WT) is presented in this work. The R-WT peals the 3-CS signal into several frequency layers, ...
 
Primary School Music Education and the Effect of Auditory Processing Disorders: Pedagogical/ICT-Based Implications
Found in: Advanced Learning Technologies, IEEE International Conference on
By Georgia N. Nikolaidou, Vasiliki Th. Iliadou, Stergios G. Kaprinis, Leontios J. Hadjileontiadis, George St. Kaprinis
Issue Date:July 2008
pp. 1030-1031
Primary music education introduces children to the world of sound and music. For some children, however, auditory process disorders (APDs) act as a barrier to the comprehension of the sound elements, like rhythmic motives, variations, etc. The effect of AP...
 
Emotion Recognition from Brain Signals Using Hybrid Adaptive Filtering and Higher Order Crossings Analysis
Found in: IEEE Transactions on Affective Computing
By Panagiotis C. Petrantonakis, Leontios J. Hadjileontiadis
Issue Date:July 2010
pp. 81-97
This paper aims at providing a new feature extraction method for a user-independent emotion recognition system, namely, HAF-HOC, from electroencephalograms (EEGs). A novel filtering procedure, namely, Hybrid Adaptive Filtering (HAF), for an efficient extra...
 
On Efficiently Tracking Turn-Taking Patterns in a CSCL Environment Using Lempel-Ziv Complexity Analysis
Found in: Advanced Learning Technologies, IEEE International Conference on
By Sofia J. Hadjileontiadou, Georgia N. Nikolaidou, Leontios J. Hadjileontiadis
Issue Date:September 2004
pp. 415-419
A complexity-based analysis of the turn-taking sequences produced during peers? computer-mediated collaboration is presented in this paper. The collaborative contributions monitored by the system, namely Lin2k, are mapped to turn-taking sequences, which, i...
 
EEG-Based Classification of Music Appraisal Responses Using Time-Frequency Analysis and Familiarity Ratings
Found in: IEEE Transactions on Affective Computing
By Stelios K. Hadjidimitriou,Leontios J. Hadjileontiadis
Issue Date:April 2013
pp. 161-172
A time-windowing feature extraction approach based on time-frequency (TF) analysis is adopted here to investigate the time-course of the discrimination between musical appraisal electroencephalogram (EEG) responses, under the parameter of familiarity. An E...
 
Towards an overall 3-D vector field reconstruction via discretization and a linear equations system
Found in: 2013 IEEE 13th International Conference on Bioinformatics and Bioengineering (BIBE)
By Chrysa D. Papadaniil,Leontios J. Hadjileontiadis
Issue Date:November 2013
pp. 1-4
A tomographic method that efficiently reconstructs three-dimensional fields, despite the ill-posedness of recovering a vector field from line integrals, is presented in this paper. The analysis takes into consideration the methodology set forth in [1] for ...
   
A curvelet-based lacunarity approach for ulcer detection from Wireless Capsule Endoscopy images
Found in: 2013 IEEE 26th International Symposium on Computer-Based Medical Systems (CBMS)
By Alexis Eid,Vasileios S. Charisis,Leontios J. Hadjileontiadis,George D. Sergiadis
Issue Date:June 2013
pp. 273-278
Wireless Capsule Endoscopy (WCE) is a fairly new technology that offers a low-risk, non invasive visual inspection of the patient's digestive tract, especially the small bowel, that was previously unreachable using the traditional endoscopic methods. Howev...
   
Computer-aided capsule endoscopy images evaluation based on color rotation and texture features: An educational tool to physicians
Found in: 2013 IEEE 26th International Symposium on Computer-Based Medical Systems (CBMS)
By Vasileios S. Charisis,Christina Katsimerou,Leontios J. Hadjileontiadis,Christos N. Liatsos,George D. Sergiadis
Issue Date:June 2013
pp. 203-208
Wireless capsule endoscopy (WCE) is a revolutionary, patient-friendly imaging technique that enables non-invasive visual inspection of the patient's digestive tract and, especially, small intestine. However, reviewing the endoscopic data is time consuming ...
   
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