Exploring Blur in Depth: Generating Synthetic Imagery, Photographic Simulation, and Aiding Human Vision


jueves mayo 16, 2013 - 07:30:00


Marvell Semiconductor Inc.
5488 Marvell Ln
Santa Clara,CA 95054



Professor Brian A. Barsky from UC Berkeley will present an overview of his research combining computer graphics with optics, optometry, and photography. This research has investigated mathematical models to describe the shape of the cornea and algorithms for cornea measurement, scientific and medical visualization for the display of cornea shape, mathematics and algorithms for the design and fabrication of contact lenses, simulation of vision using actual patient data measured by wavefront aberrometry, rendering algorithms for realistic depth of field, view camera simulation, and custom vision correction by computing an altered display that when viewed by the patient would appear in sharp focus for this particular individual.


Brian A. Barsky is Professor of Computer Science and Vision Science, and Affiliate Professor of Optometry, at the University of California at Berkeley. He is a member of the Joint Graduate Group in Bioengineering, an interdisciplinary and inter-campus program, between UC Berkeley and UC San Francisco.

He was Directeur de Recherche at the Laboratoire d\'Informatique Fondamentale de Lille (LIFL) of l\'Université des Sciences et Technologies de Lille (USTL). He has been a Visiting Professor of Computer Science at The Hong Kong University of Science and Technology in Hong Kong, at the University of Otago in Dunedin, New Zealand, in the Modélisation Géométrique et Infographie Interactive group at l\'Institut de Recherche en Informatique de Nantes and l\'Ecole Centrale de Nantes, in Nantes, and at the University of Toronto in Toronto. Prof. Barsky was a Distinguished Visiting Professor at the School of Computing at the National University of Singapore in Singapore, an Attaché de Recherche Invité at the Laboratoire Image of l\'Ecole Nationale Supérieure des Télécommunications in Paris, and a visiting researcher with the Computer Aided Design and Manufacturing Group at the Sentralinsitutt for Industriell Forskning (Central Institute for Industrial Research) in Oslo.

He attended McGill University in Montréal, where he received a D.C.S. in engineering and a B.Sc. in mathematics and computer science. He studied computer graphics and computer science at Cornell University in Ithaca, where he earned an M.S. degree. His Ph.D. degree is in computer science from the University of Utah in Salt Lake City. He is a Fellow of the American Academy of Optometry (F.A.A.O.).

He is a co-author of the book An Introduction to Splines for Use in Computer Graphics and Geometric Modeling, co-editor of the book Making Them Move: Mechanics, Control, and Animation of Articulated Figures, and author of the book Computer Graphics and Geometric Modeling Using Beta-splines. He has published 120 technical articles in this field and has been a speaker at many international meetings.

Dr. Barsky was a recipient of an IBM Faculty Development Award and a National Science Foundation Presidential Young Investigator Award. He is the Editor of the Synthesis Lectures on Computer Graphics and Animation of the Synthesis digital library of engineering and computer science, published by Morgan & Claypool Publishers. He was the editor of the Computer Graphics and Geometric Modeling series of Morgan Kaufmann Publishers, Inc. from December 1988 to September 2004, the Series Editor for Computer Science for Course Technology, part of Cengage Learning from October 2004 through September 2009, and the Series Editor for Computer Graphics, Geometric Modeling, and Animation for Chapman & Hall/CRC from October 2009 through November 2012. He is the former area editor for the journal Graphical Models. He was the Technical Program Committee Chair for the ACM SIGGRAPH \'85 conference.

His research interests include computational photography, contact lens design, computer methods for optometry and ophthalmology, image synthesis, computer aided geometric design and modeling, CAD/CAM/CIM, interactive and realistic three-dimensional computer graphics, visualization in scientific computing, computer aided cornea modeling and visualization, medical imaging, and virtual environments for surgical simulation.

He has been working in spline curve/surface representation and their applications in computer graphics and geometric modeling for many years. He is applying his knowledge of curve/surface representations as well as his computer graphics experience to improving videokeratography and corneal topographic mapping, forming a mathematical model of the cornea, and providing computer visualization of patients\' corneas to clinicians. This has applications in the design and fabrication of contact lenses, and in laser vision correction surgery. His research, called Vision-Realistic Rendering is developing new three-dimensional rendering techniques for the computer generation of synthetic images that will simulate the vision of specific individuals based on their actual patient data using measurements from a instrument a Shack-Hartmann wavefront aberrometery device. This research forms the OPTICAL (OPtics and Topography Involving Cornea and Lens) project. The Berkeley BLUR Project is developing techniques for depth of field for both synthetic images and photographs.


- Take Great America Parkway to Old Mountain View-Alviso Road (near 237)
- Turn right onto Marvell Lane.
- Turn left past the guard shack. Building 6 is in front of you.
- Park in the parking lot.
- you will be greeted at the door and escorted to the presentation room B6 F1.

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