RESEARCH INTERESTS
I am developing algorithms and systems for visual sensor processing, with applications in assistive technology for the blind and sensor networks.
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SHORT BIO
- Associate Professor, CE Dept., UC Santa Cruz
- Senior Member of Technical Staff, Jet Propulsion Laboratory (1998-2001)
- Adjunct Assistant Professor, CS Dept., University of Southern California (2000-2001)
- Senior Engineer, Interactive Media Group, Apple Computer (1996-1997)
- Postdoctoral research at UC Berkeley, Caltech, and Stanford (1993-1996)
-Dottorato di ricerca in Electrical Engineering (Padova, Italy, 1993)
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RECENT PUBLICATIONS
- Color targets: Fiducials to help visually impaired people find their way by camera phone, EURASIP Journal on Image and Video Processing
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An urban Bluetooth beacon for the blins, ACM HealthNet'06
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Prediction of the lifetime of a battery-operatd video node using offline and online measurements, IEEE AMUEM'07
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Roberto's self-portrait
SPONSORED PROJECTS
- Wayfinding for the Blind and Visually Impaired Using Passive Environmental Labels, NIH
- Exploring the World with a Ray of Light: An Environmental Sensor for the Blind, NSF
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Comparative Evaluation of Assistive
Technology Devices and Software for Visually Impaired Persons, NSF
- Managing the Information Flow in a Network of Visual Sensors, NASA

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COURSES
Winter 08: Universal Access. Multimedia Systems