公开(公告)号：US20170354353A1

公开(公告)日：2017-12-14

申请号：US15612958

申请日：2017-06-02

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY ,  CENTER OF HUMAN-CENTERED INTERACTION FOR COEXISTENCE

Inventor： Jinseok KIM ,  Hyun Joon SHIN ,  Bum-Jae YOU ,  Sungwook YANG

IPC: A61B5/11 ,  G01B11/26 ,  A61B5/00 ,  G01L1/24

Abstract: A motion capture system includes a motion sensor having a flexible body and a fiber bragg gratings (FBG) sensor inserted into the body, a fixture configured to fix the motion sensor to a human body of a user, a light source configured to irradiate light to the motion sensor, and a measurer configured to analyze a reflected light output from the motion sensor, wherein the FBG sensor includes an optical fiber extending along a longitudinal direction of the body and a sensing unit formed in a partial region of the optical fiber and having a plurality of gratings, and wherein a change of a wavelength spectrum of the reflected light, caused by the change of an interval of the gratings due to a motion of the user, is detected to measure a motion state of the user.

公开(公告)号：US20200093404A1

公开(公告)日：2020-03-26

申请号：US16698590

申请日：2019-11-27

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY ,  CENTER OF HUMAN-CENTERED INTERACTION FOR COEXISTENCE

Inventor： Jinseok KIM ,  Hyun Joon SHIN ,  Bum-Jae YOU ,  Sungwook YANG ,  Minsu JANG ,  Jun Sik KIM

IPC: A61B5/11 ,  A61B5/00 ,  G01B11/26 ,  G01L1/24

Abstract: A motion capture system includes a motion sensor having a flexible body and a fiber bragg gratings (FBG) sensor inserted into the body, a fixture configured to fix the motion sensor to a human body of a user, a light source configured to irradiate light to the motion sensor, and a measurer configured to analyze a reflected light output from the motion sensor, wherein the FBG sensor includes an optical fiber extending along a longitudinal direction of the body and a sensing unit formed in a partial region of the optical fiber and having a plurality of gratings, and wherein a change of a wavelength spectrum of the reflected light, caused by the change of an interval of the gratings due to a motion of the user, is detected to measure a motion state of the user.

公开(公告)号：US20210293636A1

公开(公告)日：2021-09-23

申请号：US17259636

申请日：2019-07-10

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY ,  CENTER OF HUMAN-CENTERED INTERACTION FOR COEXISTENCE

Inventor： Jinseok KIM ,  Sungwook YANG ,  Min Su JANG ,  Jun Sik KIM ,  Kyumin KANG ,  Bum-Jae YOU

IPC: G01L3/12 ,  G01L1/24

Abstract: Embodiments relate to a torsion sensor device which measures a degree of torsion of a measurement object by using a fiber Bragg gratings (FBG) sensor, the sensor device comprising: an FBG sensor including a sensing unit formed in one section of an elongated optical fiber; and a fixing device for fixing and supporting the FBG sensor to cause displacement of the FBG sensor according to motion of the measurement object, wherein the fixing device includes a bending prevention member to enable the sensing unit to have torsion displacement without bending displacement, according to the motion of the measurement object.

公开(公告)号：US20200019246A1

公开(公告)日：2020-01-16

申请号：US16502253

申请日：2019-07-03

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY ,  CENTER OF HUMAN-CENTERED INTERACTION FOR COEXISTENCE

Inventor： Youngsu CHA ,  Kahye SONG ,  Jung Min PARK ,  Bum-Jae YOU

IPC: G06F3/01 ,  G08B6/00

Abstract: Provided is a tactile feedback device including a tactile transmission element having an enclosed space inside, the tactile transmission element including a compression part which is compressed toward the enclosed space by an electrostatic force generated by the application of voltage, and a tactile part which transmits tactile sensation to a user by expansion with movement of air by the compression.

公开(公告)号：US20190080517A1

公开(公告)日：2019-03-14

申请号：US16093860

申请日：2017-04-12

Applicant: Center of Human-centered Interaction for Coexistence

Inventor： Bum-Jae YOU ,  Juseong LEE

IPC: G06T19/00 ,  G06T7/55 ,  G02B27/01

Abstract: A three-dimensional information augmented video see-through display device according to an exemplary embodiment of the present disclosure includes a camera interface module which obtains at least two real images from at least two camera modules, a rectification module which performs rectification on the at least two real images, a lens distortion correction module which corrects at least two composite images obtained by combining a virtual image to the at least two real images, based on a lens distortion compensation value indicating a value for compensating for a distortion of a wide angle lens for the at least two real images, and an image generation module which performs side-by-side image processing on the at least two composite images to generate a three-dimensional image for virtual reality VR or augmented reality AR.