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Implementation method of transmission type screen system based on eye tracker tracking

An implementation method and eye tracker technology, applied in the field of penetrating screen systems, can solve the problems of virtual scene jitter, insufficient robustness, and destroying the user's realistic experience.

Active Publication Date: 2021-04-23
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current research on naked-eye augmented reality still faces many challenges, such as needing to be attached to a carrier such as a mobile phone or a camera to generate a virtual-real fusion image instead of naked-eye observation; on the other hand, the robustness is not enough. Can produce jitter, destroying the user's realism experience

Method used

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  • Implementation method of transmission type screen system based on eye tracker tracking
  • Implementation method of transmission type screen system based on eye tracker tracking
  • Implementation method of transmission type screen system based on eye tracker tracking

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Experimental program
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Embodiment 1

[0051] An implementation method of a penetrating screen system based on eye tracker tracking, comprising the following steps:

[0052] The system is a monocular system, and the eye positions mentioned below are based on the left eye.

[0053] 1). Establish a standard coordinate system, such as figure 1 As shown, the standard coordinate system constructed by the system takes a certain default eye position as the origin, sets a position of the monocular as the origin, and the line connecting the origin and the midpoint of the screen is the z-axis, and the origin can be along the z-axis. The plane intersecting the screen at the midpoint of the screen, the x-axis is a straight line in the horizontal direction, the y-axis is a straight line in the vertical direction, and the plane formed by the x-axis and the y-axis is parallel to the notebook screen;

[0054] 2). Place the Tobii eye tracker in front of the screen, use the Tobii eye tracker to obtain the position of the monocular,...

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Abstract

The invention relates to an implementation method of a transmission type screen system based on eye tracker tracking, which belongs to the technical field of augmented reality, and comprises the following steps: establishing a standard coordinate system, acquiring a monocular position by using a Tobii eye tracker, converting the Tobii coordinate system into the standard coordinate system, converting the standard coordinate system into a Unity coordinate system, and mapping a screen and eyes in reality into the Unity coordinate system; after a series of transformation and calibration, aligning the system with a camera in a virtual scene, so that a user can achieve an interaction effect with the system only by using eyes.

Description

technical field [0001] The invention relates to an implementation method of a penetrating screen system based on eye tracker tracking, and belongs to the technical field of augmented reality. Background technique [0002] The history of eye trackers dates back to the 18th century. Since Wells used images (ghosting) to describe the movement of the eyes in 1792, humans have not stopped researching the eyes. Now, with the invention of various eye trackers, computers can recognize human eyes. From this, many studies on human behavior have been extended, which are helpful to understand cognitive processes [Hari Singh,Dr.Jaswinder Singh Human Eye Tracking and Related Issues:AReview], [Wade,N.,and Tatler] , B.W. The moving tablet of the eye: The origins of modern eye movement research. Oxford University Press, 2005.]. [0003] Tobii Eye Tracker is a new type of low-cost binocular eye tracker. The system is designed for natural gaze interaction, does not require continuous recali...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/01
CPCG06F3/013
Inventor 秦学英卢世逸宋修强马嘉遥王彬宋婧
Owner SHANDONG UNIV