Title :
Determining the Visual Angle of Objects in the Visual Field: An Extended Application of Eye Trackers
Author :
Scovil, Carol Y. ; King, Emily C. ; Maki, Brian E.
Author_Institution :
Centre for Studies in Aging, Sunnybrook Health Sci. Centre, Toronto, ON
fDate :
3/1/2009 12:00:00 AM
Abstract :
Many eye-tracker systems display the point of central gaze fixation on video images of the viewed environment. We describe here a method for determining the visual angles of objects located in the periphery. Such data are needed to study the potential contributions of peripheral vision during cognitive and motor tasks.
Keywords :
biomechanics; cognition; neurophysiology; visual perception; central gaze fixation; cognitive task; eye movements; eye tracker system; motor task; peripheral vision; video images; visual angle determination; visual field; Aging; Biomedical engineering; Biomedical imaging; Cameras; Displays; Focusing; Humans; Layout; Motor drives; Retina; Scholarships; Surgery; Tracking; Central vision; eye movements; gaze behavior; peripheral vision; saccades; visual angles; Algorithms; Eye Movements; Humans; Image Processing, Computer-Assisted; Models, Theoretical; Perimetry; Video Recording; Visual Fields;
Journal_Title :
Biomedical Engineering, IEEE Transactions on
DOI :
10.1109/TBME.2008.2005947
