An ellipsoidal trajectory model for measuring the line of sight

Takehito Hayami; Kazunori Shidoji; Katsuya Matsunaga

doi:10.1016/S0042-6989(02)00191-8

An ellipsoidal trajectory model for measuring the line of sight

Takehito Hayami, Kazunori Shidoji, Katsuya Matsunaga

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

The relationship between the amount of rotation of the eyeball and the amount of rotation of the line of sight was investigated. The planar model and ellipsoidal model were compared as the trajectory of the center of the pupil. An evaluation of precision was carried out by measuring the discrepancy between the direction of the target and the estimated direction of the line of sight. The experimental results showed that the planar model was more precise than the ellipsoidal model. The center of rotation of the eyeball seems to translate along the oblique rotation of the eyeball.

Original language	English
Pages (from-to)	2287-2293
Number of pages	7
Journal	Vision Research
Volume	42
Issue number	19
DOIs	https://doi.org/10.1016/S0042-6989(02)00191-8
Publication status	Published - Sept 2002

Keywords

Calibration
Center of rotation
Eye movements
Fixation
Monocular vision

ASJC Scopus subject areas

Ophthalmology
Sensory Systems

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10.1016/S0042-6989(02)00191-8

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title = "An ellipsoidal trajectory model for measuring the line of sight",

abstract = "The relationship between the amount of rotation of the eyeball and the amount of rotation of the line of sight was investigated. The planar model and ellipsoidal model were compared as the trajectory of the center of the pupil. An evaluation of precision was carried out by measuring the discrepancy between the direction of the target and the estimated direction of the line of sight. The experimental results showed that the planar model was more precise than the ellipsoidal model. The center of rotation of the eyeball seems to translate along the oblique rotation of the eyeball.",

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author = "Takehito Hayami and Kazunori Shidoji and Katsuya Matsunaga",

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T1 - An ellipsoidal trajectory model for measuring the line of sight

AU - Hayami, Takehito

AU - Shidoji, Kazunori

AU - Matsunaga, Katsuya

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N2 - The relationship between the amount of rotation of the eyeball and the amount of rotation of the line of sight was investigated. The planar model and ellipsoidal model were compared as the trajectory of the center of the pupil. An evaluation of precision was carried out by measuring the discrepancy between the direction of the target and the estimated direction of the line of sight. The experimental results showed that the planar model was more precise than the ellipsoidal model. The center of rotation of the eyeball seems to translate along the oblique rotation of the eyeball.

AB - The relationship between the amount of rotation of the eyeball and the amount of rotation of the line of sight was investigated. The planar model and ellipsoidal model were compared as the trajectory of the center of the pupil. An evaluation of precision was carried out by measuring the discrepancy between the direction of the target and the estimated direction of the line of sight. The experimental results showed that the planar model was more precise than the ellipsoidal model. The center of rotation of the eyeball seems to translate along the oblique rotation of the eyeball.

KW - Calibration

KW - Center of rotation

KW - Eye movements

KW - Fixation

KW - Monocular vision

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JF - Vision Research

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ER -

An ellipsoidal trajectory model for measuring the line of sight

Abstract

Keywords

ASJC Scopus subject areas

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