Pupil position acquisition system, method therefor, and...

Details Pupil position acquisition system, method therefor, and... Pupil position acquisition system, method therefor, and...

2008-12-23

2010-06-29

Dang, Hung X (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

C351S206000, C382S117000

Reexamination Certificate

active

07744218

ABSTRACT:
A system and pupil position acquisition method and a device containing computer software for executing the same are provided. The system includes a shooting module, a scanning module, a signal transformation module, and a signal analysis module. The shooting module shoots an eyeball image using an image shooting device, such as a charge-coupled device (CCD) camera. The scanning module scans the eyeball image to acquire an eyeball signal. The signal transformation module performs a wavelet transform on the eyeball signal. The signal analysis module analyzes the eyeball signal after the wavelet transform to acquire a signal interval, and analyzes and acquires a position of a pupil with respect to the eyeball image according to the signal interval.

REFERENCES:
patent: 6247813 (2001-06-01), Kim et al.
patent: 7044602 (2006-05-01), Chernyak
patent: 7616785 (2009-11-01), Kondo et al.

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