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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2019/027103
Kind Code:
The present invention relates to a device and a method for unlocking a door by successively detecting a number positioned at a gaze location, to which eyes of a person are oriented, among numbers on a door lock number plate. An unlocking device of the present invention comprises: a ten-key display unit for displaying numbers; at least five photographing units arranged on the ten-key display unit so as to individually capture an image of a person's face; a selection unit for calculating a position of a person in the captured image of the person's face, and selecting at least two closest photographing units; a coordinate calculation unit for recognizing eyes in images captured by the selected photographing units, matching the recognized eyes to a two-dimensional coordinate area according to positions of the photographing units, and calculating a three-dimensional coordinate value of a point, at which eyes gaze, on the basis of all the matching position coordinates of the eyes; a number detection unit for determining whether the calculated three-dimensional coordinate value is included in a coordinate area corresponding to one number among the numbers of the ten-key displaying unit, so as to detect a corresponding number; and an unlock unit for unlocking a door when the detected number matches a preconfigured number.

PARK, Cheol Woo (205-704, 21 Surim-ro 72beon-gil,Geumjeong-gu, Busan, 46247, KR)
Application Number:
Publication Date:
February 07, 2019
Filing Date:
November 29, 2017
Export Citation:
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CATHOLIC UNIVERSITY OF BUSAN (57 Oryundae-ro, Geumjeong-gu, Busan, 46252, KR)
International Classes:
G07C9/00; G06K9/00
Attorney, Agent or Firm:
NAMCHON PATENT AND LAW FIRM (#406, Doryeom Bldg 37, Saemunan-ro 5-gil,Jongno-gu, Seoul, 03173, KR)
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