Karl Frederick Arrington

Arrington Research, Inc.
Scottsdale, Arizona
Tel 480-985-5810
FAX 425-984-6968



1992-6 Postdoctoral, Brain and Cognitive Sciences, Massachusetts Institute of Technology
1993 Doctor of Philosophy, Cognitive and Neural Systems, Boston University
1986 Master of Science, Simulation and Numerical Methods, George Washington U.
1978 Bachelor of Arts, Philosophy and Psychology, Virginia Commonwealth U.

Research Experience

Air Force Research Laboratory, Mesa (Hughes & Raytheon contractor), Visual Research Laboratory
Senior Research Scientist, Jan. 1996 - Sept. 1999
Principal Investigator: conducting visual psychophysics for aircrew training in flight simulators. Project Management: responsible for customer interface and the management of research contracts placed by govt on Hughes and Raytheon. Staff Responsibilities: responsible for the personal development and tasking of two doctoral students and three scientific programmers. Research included: tilt perception under stereoscopic-motion conditions and with mixtures of horizontal and vertical disparities, hysteresis in ocular cyclovergence, loss of cyclovergence under isoluminance conditions, depth oscillation dynamics using bistable surface segmentation stimuli, advanced head mounted displays (HMDs) including: direct retinal painting laser systems, and conjugate-optical retroreflective screen systems. Other Achievements: instigated and set up visiting collaboration at AFRL with Seattle Univ. Prof. Michael Rudd to study filling-in of surface darkness.

Massachusetts Institute of Technology, Brain and Cognitive Sciences Department
Research Scientist, Sept. 1992 - Jan. 1996
Collaborated with Richard Held to study innovative saccadic-response perimetry methods; effects of isoluminance in visual motor feedback tasks; the interaction between occlusion and stereo depth information. Collaborated with Peter Schiller to elucidate the function of visual area three (V3), which involved animal behavioral training, psychophysics and histology.

Boston University, Cognitive and Neural Systems Department
Research Assistant and Teaching Fellow, Sept. 1988 - Aug. 1992
Collaborated with Stephen Grossberg on the design of hierarchical neural networks for monocular and binocular brightness and color perception under variable illumination conditions. Teaching Assistant: Neural and computational models of vision; adaptive movement planning and control; speech perception and production; conditioning, reinforcement, motivation, and rhythm; Vision seminar series; Advanced topics in neural modeling.

National Institute of Mental Health
Scientific Programmer, May 1982 - July 1988
Laboratory of Neurophysiology: Developed real time experimental control and data acquisition systems. Created data analysis packages with interactive graphics, nonparametric statistics, and signal processing. Solely responsible for lab computer systems and accounts. Medlars medical data base search strategist. Section on Clinical Brain Imaging: Interactive graphic analysis systems. Research on elastic matching algorithms for serial section reconstruction.

Other Experience

President, 1995 - present
Arrington Research, Inc. Scottsdale, Arizona
Research, development and commercialization of scientific software and hardware.  The ViewPoint EyeTracker® is used by over 2000 customers.  ARI prides itself on providing the most user friendly and best value eye tracking software on the market. ARI has earned an international reputation for quality, value and integrity. Scientists, engineers and market researchers in over 25 countries put their trust in ARI products to facilitate their work. Details are available online at ArringtonResearch.com.

Vice President, July 1994 - 1995
Vispertek Corporation, Massachusetts
Research and development of objective ophthalmic diagnostic technology involving real-time data acquisition and microprocessor control. Successfully demonstrated a visual field test perimeter using saccadic eye movements to visual targets as detection responses. Principal Investigator on Small Business Innovative Research Grant (SBIR) application for technology transfer from MIT to the private sector. Vispertek Corporation was a semi-finalist in the M.I.T. $10K Business Plan Competition.

Independent Consultant, 1995
Oxbridge Research, Cambridge, Massachusetts
Hedge fund financial trading-simulation and trading-strategy development.

Architectural Model Maker, 1981 - 1982
Trojan Models, Gaithersberg, Maryland
Included cabinet making, blueprint reading, fabrication, design of special jigs and tools to increase production speed and consistency of model components.

Operations Supervisor, Monitor, 1980 - 1981
Kastle Systems, Inc., Arlington, Virginia
Trained, evaluated, and supervised 20 employees in a center that monitored 120 office buildings and embassies in Washington, DC. Involved remote monitoring with sophisticated electronic security systems and remote computer control of systems in the buildings.

Courses Taught & Academic Responsibilities

Arizona State University, Psychology Department, Jan. 1998 - Dec. 1999
Professor: Sensation and Perception.
Co-chairperson: Dissertation committee for the Ph.D. degree.

Boston University, Cognitive and Neural Systems Department, Sept. 1988 - Aug. 1992
Teaching Fellow: (1) Neural and computational models of vision; (2) Adaptive movement planning and control; (3) Speech perception and production; (4) Conditioning, reinforcement, motivation, and rhythm; (5) Vision seminar series; (6) Advanced topics in neural modeling.

Computer Experience

Simulation: Adaptive step size algorithms, Stiff systems, Visualization.

Real-time: Eye-movement monitoring, Experimental control, Tachistoscopic presentation.

Graphics: HMDs, Transformation geometry, Stereo, Motion, Display technology, Predistortion, Gamma correction

Video: Image capture, Segmentation, Feature classification, Tracking.



1997 ................ Outstanding Achievement Award
Hughes Training Inc.

1995 ................ M.I.T. $10K Business Plan Competition, semi-finalist,
M.I.T. Entrepreneurs Club & Sloan New Ventures Association

1995 ................ International Research Fellowship & Travel Grant (three months)
Rikkyo University, Tokyo, Japan.

1994 ................ ARVO Travel Fellowship Grant,
National Eye Institute.

1994 ................ Sigma Xi (Science Honor Society),
M.I.T. Chapter.

1992 - 1994 ... Postdoctoral Research Fellowship (two years),
McDonnell-Pew Center for Cognitive Neuroscience at M.I.T.

1988 - 1992 ... Research and Teaching Fellowships (four years),
Boston University, Cognitive and Neural Systems Department.

1986 ................ Neural Networks and Neuromorphic Systems Workshop Award,
National Science Foundation, October 7-8.

1985 ................ Biomedical Simulation Training Workshop Award, March 4-8,
National Biomedical Simulation Resource at Duke University Medical Center.

Professional Societies

Sigma Xi, M.I.T. Chapter, member since 1994

Association for Research in Vision and Ophthalmology (ARVO), member since 1991

Society for Neuroscience, member since 1989

Institute of Electrical and Electronics Engineers (IEEE), member since 1986

M.I.T. Enterprise Forum of Cambridge, member 1993-1995

International Neural Network Society (INNS), member 1987-1998

Society for Information Display (SID), member 1998-1999

Journal Publications

Rosanlall, Bharat; Gertner, Izidor; Geri, George A.; Arrington, Karl F. (2016).
A software module for implementing auditory and visual feedback on a video-based eye tracking system.
Proceedings of the SPIE, Volume 9844, id. 984411 10 pp.

Rudd, M.E. & Arrington, K.F. (2001).
Darkness filling-in: a neural model of darkness induction.
Vision Research, 41(27), p. 3649-3662.

Arrington, K.F.; Newton, C. J. (in revision).
Isoluminance Impairs Cyclovergence.

Arrington, K.F.; Moreno, M.A. & Pierce, B.J. (in revision).
Stimulus Competition and Hysteresis in Tilt Perception and Cyclovergence

Arrington, K.F.; Geri, G. A. (2000).
Conjugate-optical retroreflector display system: Optical principles and perceptual issues.
Journal of the Society for Information Display (JSID), 8(2), p.123-128.

Pierce, B.J.; Arrington, K.F.; Moreno, M.A. (1999).
Motion and stereoscopic tilt perception.
Journal of the Society for Information Display (JSID), 7(3), p. 193-206.

Arrington, K.F. (1999).
Filling-in as the phenomenal side of binding.
Behavioral and Brain Sciences (BBS). Vol. 21, December, p. 749.

Arrington, K. F. (1996).
Directional filling-in.
Neural Computation, 8(2), p. 300-318.

Arrington, K. F. (1994).
The temporal dynamics of brightness filling-in.
Vision Research, 34(24), p. 3371-3387.

Technical Papers & Reviewed Abstracts

D.A. Leske, S.R. Hatt, P.W. Laird, K.F. Arrington, J.M. Holmes  (2007)
Infrared Eyetracker Methods for Measuring Strabismus
ARVO Abstracts, Investigative Ophthalmology & Visual Science, 48: E-Abstract 900.

Rudd, M.E. & Arrington, K.F. (2000).
Filling-In of Surface Darkness.
ARVO Abstracts, Investigative Ophthalmology & Visual Science, 41(4), p.S226.

Geri, G.A.; Arrington, K.F. & Miller, M.J. (1999).
Helmet-mounted conjugate optical display system: Design considerations.
(AFRL-HE-AZ-TP-1999-0008). Mesa AZ: Air Force Research Laboratory,
Human Effectiveness Directorate, Training Research Division.

Arrington, K.F.; Pierce, B.J. (1998).
Cyclovergence with Isoluminant Stimuli.
Perception, 27, Suppl., 21st European Conference on Visual Perception (ECVP), p. 137.

Arrington, K.F.; Pierce, B.J.; Moreno, M.A. (1998).
Hysteresis in ocular torsion under varying luminance.
ARVO Abstracts, Investigative Ophthalmology & Visual Science, 39(4), p.S623.

Arrington, K.F.; Pierce, B.J.; Moreno, M.A. (1998).
Slant perception as a function of size disparity and image motion.
Paper presentation, Society for Information Display: SID 98 Digest, p.1203-1206.

Arrington, K.F.; Pierce, B.J.; Moreno, M.A. (1997).
Inclination Perception With Moving Stimuli.
ARVO Abstracts, Investigative Ophthalmology & Visual Science, 38(4), 1997, p.S905.

Arrington, K. F. (1996).
Stochastic Properties of Segmentation-Rivalry Alternations.
Perception, 25, Suppl., p. 62.

Arrington, K. F. (1995).
Neural model of rivalry between occlusion and disparity depth signals.
Neuroscience Abstracts, 21, p. 125.

Arrington, K. F. & Held, R. (1995).
Rivalry between occlusion and disparity depth signals.
ARVO Abstracts, Investigative Ophthalmology & Visual Science, 36(4), p. S368.

Arrington, K. F. (1994).
Filling-in model predicts area-suppression follows u-shaped forward masking function.
Paper presentation, Neuroscience Abstracts, 20, p. 1667.

Arrington, K. F. (1994).
Visual feature-flow using directional ionic-gates.
ARVO Abstracts, Investigative Ophthalmology & Visual Science, 35(4), p. 2005.

Arrington, K. F. (1993).
Binocular rivalry model using multiple habituating nonlinear reciprocal connections.
Neuroscience Abstracts, 19, p. 1803.

Arrington, K. F. (1993).
Neural network temporal response predicts brightness perceptions in visual masking.
ARVO Abstracts, Investigative Ophthalmology & Visual Science, 34(4), p. 1037.

Arrington, K. F. (1986).
Interactive neurophysiological data analysis program, KOFF.
Neuroscience Abstracts, 12, p. 348.


Arrington, K. F. (1993).
Neural network models for color and brightness perception and binocular rivalry.
Ph.D. Dissertation, Boston University, Advisor: Stephen Grossberg.
University Microfilms International, Ann Arbor, Michigan.

Ad Hoc Reviewer for:

Behavioral and Brain Sciences.
Vision Research.
Information Processing Letters.