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Displaying 1-21 out of 21 total
Affective Assessment by Digital Processing of the Pupil Diameter
Found in: IEEE Transactions on Affective Computing
By Peng Ren,Armando Barreto,Ying Gao,Malek Adjouadi
Issue Date:January 2013
pp. 2-14
Previous research found that the pupil diameter (PD) can be an indication of affective state, but this approach to the detection of the affective state of a computer user has not been investigated fully. We propose a new affective sensing approach to evalu...
 
Paravirtualization for Scientific Computing: Performance Analysis and Prediction
Found in: High Performance Computing and Communications, 10th IEEE International Conference on
By Javier Delgado,Anas Salah Eddin,Malek Adjouadi,S. Masoud Sadjadi
Issue Date:September 2011
pp. 536-543
Resource virtualization technologies have recently increased in popularity. The emergence of cloud computing, which requires provisioning isolated environments on shared resources, is one reason for this. Virtualization adds flexibility in terms of resourc...
 
Leveraging Cloud Computing in Geodatabase Management
Found in: Granular Computing, IEEE International Conference on
By Ariel Cary, Yaacov Yesha, Malek Adjouadi, Naphtali Rishe
Issue Date:August 2010
pp. 73-78
In this work, we leverage Cloud computing technologies in scaling out data management in geographical databases. In particular, we tackle the issue of data indexing in parallel. First, spatial data is partitioned and indexed in a Hadoop MapReduce cluster. ...
 
Performance prediction of weather forecasting software on multicore systems
Found in: Parallel and Distributed Processing Workshops and PhD Forum, 2011 IEEE International Symposium on
By Javier Delgado,S. Masoud Sadjadi,Marlon Bright,Malek Adjouadi,Hector A. Duran-Limon
Issue Date:April 2010
pp. 1-8
Performance prediction is valuable in different areas of computing. The popularity of lease-based access to high performance computing resources particularly benefits from accurate performance prediction. Most contemporary processors are employing multiple...
 
A Comparative Study on the Performance of the Parallel and Distributing Computing Operation in MatLab
Found in: Advanced Information Networking and Applications, International Conference on
By Mohammed Goryawala, Magno R. Guillen, Ruchir Bhatt, Anthony Mcgoron, Malek Adjouadi
Issue Date:April 2010
pp. 150-157
This study describes the performance results on testing MatLab applications using the parallel computing and the distributed computing toolboxes under different platforms with different hardware and operating systems. Each trial was executed keeping the ha...
 
A Contextualized and Personalized Approach for Mobile Search
Found in: Advanced Information Networking and Applications Workshops, International Conference on
By Feng Gui, Malek Adjouadi, Naphtali Rishe
Issue Date:May 2009
pp. 966-971
Mobile search is becoming increasingly important for mobile users as mobile devices are more widely used. Mobile search differs from standard PC-based web search in a number of ways: (1) the user interfaces and I/O are limited by screen real estate and tin...
 
Toward fMRI Group Identification Based on Brain Lateralization
Found in: Advanced Information Networking and Applications Workshops, International Conference on
By Magno Guillen, Malek Adjouadi, Xiaozhen You, Armando Barreto, Naphtali Rishe, William Gaillard
Issue Date:May 2009
pp. 1025-1030
This research presents a novel application of Lateralization Index (LI) in support of a decision making process for the classification of subjects based on their brain activation patterns using Functional Magnetic Resonance Imaging (fMRI) datasets. The dec...
 
Personalized Approach for Mobile Search
Found in: Computer Science and Information Engineering, World Congress on
By Feng Gui, Malek Adjouadi, Naphtali Rishe
Issue Date:April 2009
pp. 322-326
Mobile search is becoming increasingly important for mobile users as mobile devices are more widely used. Mobile search is quite different from standard PC-based web search in a number of ways: (a) the user interfaces and I/O are limited by screen real est...
 
A comparative study of multilinear principal component analysis for face recognition
Found in: Applied Image Pattern Recognition Workshop,
By Jin Wang, Yu Chen, Malek Adjouadi
Issue Date:October 2008
pp. 1-6
Motivated by the application of the 2D principal component analysis (PCA) for face recognition, this study proposes a modified multilinear PCA method as means to provide higher accuracy with comparable processing time in contrast to the results of contempo...
 
A robust segmentation approach to iris recognition based on video
Found in: Applied Image Pattern Recognition Workshop,
By Malek Adjouadi
Issue Date:October 2008
pp. 1-8
One of the key problems of conventional iris recognition methods is that they are based on processing single iris image and require good image quality as an essential condition. These requisites entail considerable constraints on users for taking iris imag...
 
Towards an Efficient and Extensible Grid-Based Data Storage Solution
Found in: Advanced Information Networking and Applications, International Conference on
By Javier Delgado, Malek Adjouadi
Issue Date:March 2008
pp. 659-666
The emergence of data-intensive applications in medical and other fields of study has created the need for increased storage space. It is often the case that these data should not or cannot be placed in the same domain. The data usually requires considerab...
 
Artificial Intelligence Approach of Context-Awareness Architecture for Mobile Computing
Found in: Intelligent Systems Design and Applications, International Conference on
By Feng Gui, Nuannuan Zong, Malek Adjouadi
Issue Date:October 2006
pp. 527-533
Wireless network carriers are expanding their data services to combat the shrinking average revenue per user in the face of challenges from competitive markets and emerging technologies such as VOIP. Context-aware applications, built on the notions of huma...
 
Minimization of Boundary Artifacts on Scalable Image Compression Using Symmetric-Extended Wavelet Transform
Found in: Information Technology: Coding and Computing, International Conference on
By Weiting Cai, Malek Adjouadi
Issue Date:April 2004
pp. 598
Image compression techniques are routinely applied to conserve storage space and minimize bandwidth utilization in various video and communication applications. Wavelet transform is an efficient approach to reduce spatial redundancies without the annoying ...
 
Evaluation of dynamic image pre-compensation forcomputer users with severe refractive error
Found in: Proceedings of the 14th international ACM SIGACCESS conference on Computers and accessibility (ASSETS '12)
By Armando Barreto, Jian Huang, Malek Adjouadi
Issue Date:October 2012
pp. 175-182
Visual distortion and blurring impede the efficient interaction between computers and their users. Visual problems can be caused by eye diseases, severe refractive errors or combinations of both. Several image enhancement methods based on contrast sensitiv...
     
The Computing Alliance of Hispanic-Serving Institutions: Supporting Hispanics at Critical Transition Points
Found in: ACM Transactions on Computing Education (TOCE)
By Ann Quiroz Gates, Heather Thiry, John Fernandez, Malek Adjouadi, Mohsen Beheshti, Nestor Rodriguez, Richard Alo, Sarah Hug
Issue Date:October 2011
pp. 1-21
Hispanics have the highest growth rates among all groups in the U.S., yet they remain considerably underrepresented in computing careers and in the numbers who obtain advanced degrees. Hispanics constituted about 7% of undergraduate computer science...
     
3D sound for human-computer interaction: regions with different limitations in elevation localization
Found in: Proceeding of the eleventh international ACM SIGACCESS conference on Computers and accessibility (ASSETS '09)
By Armando Barreto, Kenneth John Faller, Malek Adjouadi
Issue Date:October 2009
pp. 211-212
Spatialized ("3D") audio may be useful as an alternative sensory channel to provide blind individuals with relevant spatial information in the physical world or while interacting with computers. However, an important limitation of this approach is the lowe...
     
On the efficacy of present grid computing software for deploying a medical grid
Found in: The Fifth Richard Tapia Celebration of Diversity in Computing Conference: Intellect, Initiatives, Insight, and Innovations (TAPIA '09)
By Javier Delgado, Malek Adjouadi
Issue Date:April 2009
pp. 1-29
Grid computing promises improvements in collaboration. This includes sharing of computational resources as well as improved collaboration amongst professionals of different areas of expertise. Several mature software applications are available for simplify...
     
A knowledge-based database system for visual rating of fMRI activation patterns for brain language networks
Found in: The Fifth Richard Tapia Celebration of Diversity in Computing Conference: Intellect, Initiatives, Insight, and Innovations (TAPIA '09)
By Armando Barreto, Byron Bernal, Gabriel Lizarraga, Magno R. Guillen, Malek Adjouadi, Melvin Ayala, Naphtali Rishe, William Gaillard, Xiaozhen You
Issue Date:April 2009
pp. 1-29
This paper describes a novel multimedia tool to facilitate visual assessment of Functional Magnetic Resonance Imaging (fMRI) activation patterns by human experts. A great effort is placed by radiologists and neurologists to present a consistent methodology...
     
Pupil diameter measurements: untapped potential to enhance computer interaction for eye tracker users?
Found in: Proceedings of the 10th international ACM SIGACCESS conference on Computers and accessibility (Assets '08)
By Armando Barreto, Malek Adjouadi, Ying Gao
Issue Date:October 2008
pp. N/A
In this paper, we propose the possibility of using real-time pupil diameter measurements, which are provided by most Eye Gaze Tracking (EGT) systems utilized for computer input by many individuals with severe motor impairments, to obtain an on-line estimat...
     
A conceptual approach to teaching induction for computer science
Found in: Proceedings of the 39th SIGCSE technical symposium on Computer science education (SIGCSE '08)
By Ana Pasztor, Irene Polycarpou, Malek Adjouadi
Issue Date:March 2008
pp. 63-70
In this paper, we present an approach to teaching induction that we call the "conceptual route" of teaching induction. Proofs by induction are central to the study of computer science and students come across them in many courses of their curricula. It is ...
     
A multi-domain approach for enhancing text display for users with visual aberrations
Found in: Proceedings of the 8th international ACM SIGACCESS conference on Computers and accessibility (Assets '06)
By Armando Barreto, Julie A. Jacko, Malek Adjouadi, Miguel Alonso
Issue Date:October 2006
pp. 34-39
In this paper, we describe a multi-domain approach for enhancing text displayed on a computer screen for users with visual aberrations. This research is based on a priori knowledge of the user's visual aberration, as measured by a wavefront analyzer. With ...
     
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