Parallax error in the monocular head-mounted eye trackers

被引：0

作者：

Mardanbegi, Diako ^{[1
]}

Hansen, Dan Witzner ^{[1
]}

机构：

[1] IT Univ Copenhagen, Rued Langgaards Vej 7, DK-2300 Copenhagen S, Denmark

来源：

UBICOMP'12: PROCEEDINGS OF THE 2012 ACM INTERNATIONAL CONFERENCE ON UBIQUITOUS COMPUTING | 2012年

关键词：

Head-mounted gaze tracker; Parallax error; Mobile gaze tracker; epipolar geometry;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper investigates the parallax error, which is a common problem of many video-based monocular mobile gaze trackers. The parallax error is defined and described using the epipolar geometry in a stereo camera setup. The main parameters that change the error are introduced and it is shown how each parameter affects the error. The optimum distribution of the error (magnitude and direction) in the field of view varies for different applications. However, the results can be used for finding the optimum parameters that are needed for designing a head-mounted gaze tracker. It has been shown that the difference between the visual and optical axes does not have a significant effect on the parallax error, and the epipolar geometry can be used for describing the parallax error in the HMGT.

引用

页码：689 / 694

页数：6

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