Abstract

The elliptical projection of a circular disk, such as the pupil of the eye, on the plane face of a video camera can be used to measure rotation of the disk about a diameter, independently of any translational movements. The algorithm uses the intersections of any three equispaced video lines with the ellipse. Errors and system design are discussed.

© 1977 Optical Society of America

A subjective method for the measurement of monochromatic* aberrations of the eye

Howard C. Howland and Bradford Howland
J. Opt. Soc. Am. 67(11) 1508-1518 (1977)

New Technique for the Measurement of Small Eye Movements*

Tom N. Cornsweet
J. Opt. Soc. Am. 48(11) 808-811 (1958)

Eye Movement and Stimulus Movement; New Photoelectric Electromechanical System for Recording and Measuring Tracking Motions of the Eye*

William M. Smith and Peter J. Warter
J. Opt. Soc. Am. 50(3) 245-250 (1960)

Filtering for image reconstruction from projections

Naoshi Baba and Kazumi Murata
J. Opt. Soc. Am. 67(5) 662-668 (1977)

Near-field diffraction on the axes of disks*

Intaik Chung, C. L. Andrews, and L. F. Libelo
J. Opt. Soc. Am. 67(11) 1561-1566 (1977)