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  1. Research Outputs

A METHOD FOR GIVING COMMANDS BY MEANS OF EYE MOVEMENTS

Patent
Short description:
A METHOD FOR GIVING COMMANDS BY MEANS OF EYE MOVEMENTS / Fonda, Sergio; Corradini, Matteo; L., Bulf.
abstract:
A method for giving commands by means of eye movements, characterised in that it comprises following stages: detecting an image of the pupil and detecting an initial fixation position of a centre of a pupil (O) with respect to a predetermined reference system; positioning a centre of a discrete bundle of straight lines having predetermined directions, at a centre of the pupil (O) and dividing a plane of the image into discrete regions; positioning a centre of a discrete bundle of rays at the centre of the pupil (O), the bundle of rays having predetermined directions and senses; associating each discrete region to a specific directed ray belonging to the discrete bundle of orientated rays; detecting a final position of fixation assumed by the centre of the pupil (O) after a displacement thereof with respect to the initial fixation position; identifying a first displacement vector of the centre of the pupil (O) having an origin in the initial position of the centre of the pupil (O) and a vertex in the final position of the centre of the pupil (O); associating one of the orientated rays of the discrete bundle to the direction and sense of a first displacement vector assignable to an object to be moved (P); attributing, to the first displacement vector of the object (P) associated to the orientated ray of the discrete bundle, a modulus which is identical to a modulus of the first displacement vector of the centre of the pupil (O) multiplied by a predetermined gain factor.
Iris type:
Brevetto
Keywords:
IR camera; pupil segmentation; eye movement; gaze command; eye movements; disabled people
List of contributors:
Fonda, Sergio; Corradini, Matteo; L., Bulf
Authors of the University:
CORRADINI Matteo
Handle:
https://iris.unimore.it/handle/11380/646451
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URL

http://v3.espacenet.com/publicationDetails/biblio?DB=EPODOC&adjacent=true&locale=en_EP&FT=D&date=20091223&CC=WO&NR=2009153724A1&KC=A1
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