METHOD AND DEVICE FOR DETERMINING THE TORSIONAL COMPONENT OF THE EYE POSITION

Title:

METHOD AND DEVICE FOR DETERMINING THE TORSIONAL COMPONENT OF THE EYE POSITION

Document Type and Number:

WIPO Patent Application WO/2012/079560

Kind Code:

A3

Abstract:

A method for determining the torsional component of an eye about the line of sight comprises the steps of: recording an image of the eye (110); extracting a search area (120) and transforming the search area into a polar coordinate image (130); detecting objects of at least one predetermined object type in the polar coordinate image (140); creating a function of each object type depending on the polar coordinate angle phi (150); creating a code from the functions of the object types depending on the polar coordinate angle phi (160); and comparing the code with a code determined from a prior recording (170). The function of each object type is a one-dimensional function that is produced by combination (for example, summation) along the radius components. A device for determining a measurement of the torsional position of the eye position is designed to carry out the method.

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Inventors:

JUST KAI (DE)

Application Number:

PCT/DE2011/002059

Publication Date:

August 23, 2012

Filing Date:

December 04, 2011

Export Citation:

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Assignee:

CHRONOS VISION GMBH (DE)
JUST KAI (DE)

International Classes:

G06K9/00; A61B3/00

Domestic Patent References:

WO2010129074A1

2010-11-11

Foreign References:

US20050008200A1	2005-01-13
US5291560A	1994-03-01
US20080219515A1	2008-09-11
EP1647936A1	2006-04-19