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Displaying 1-10 out of 10 total
Affective Assessment by Digital Processing of the Pupil Diameter
IEEE Transactions on Affective Computing
By Peng Ren,Armando Barreto,Ying Gao,Malek Adjouadi
Issue Date:January 2013
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...
Toward fMRI Group Identification Based on Brain Lateralization
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
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...
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
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...
Constrained data acquisition for mobile citizen science applications
Found in: Proceedings of the compilation of the co-located workshops on DSM'11, TMC'11, AGERE!'11, AOOPES'11, NEAT'11, & VMIL'11 (SPLASH '11 Workshops)
By Armando Barreto, Diyang Chu, Hussain Al-Helal, Kamel Didan, Maribel Hudson, Sean Whitsitt, Sprinkle Jonathan
Issue Date:October 2011
The popularity and ubiquity of personal mobile computing devices' coupled with their powerful sensing capabilities' allow their application in the structured collection of data for societal benefit and science applications. Citizen scientists are willing u...
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
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...
Found in: ACM Transactions on Accessible Computing (TACCESS)
By Armando Barreto, Torsten Felzer
Issue Date:June 2009
Technology aimed at enhancing function and enabling independent living among older and disabled adults is a growing field of research. Privacy concerns are a potential barrier to adoption of such technology. Using data from a national Web survey (n=1,518),...
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
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
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 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
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 ...
Image pre-compensation to facilitate computer access for users with refractive errors
Found in: Proceedings of the ACM SIGACCESS conference on Computers and accessibility (ASSETS '04)
By Armando Barreto, J. Gualberto Cremades, Miguel Alonso
Issue Date:October 2004
The use of computer technology for everyday tasks has become increasingly important in today's world. Frequently, computer technology makes use of Graphical User Interfaces (GUIs), presented through monitors or LCD displays. This type of visual interface i...
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