WO2016126110A1 - Dispositif d'affichage monté sur la tête à stimulation électrique permettant de réduire la cinétose due à la réalité virtuelle - Google Patents

Dispositif d'affichage monté sur la tête à stimulation électrique permettant de réduire la cinétose due à la réalité virtuelle Download PDF

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Publication number
WO2016126110A1
WO2016126110A1 PCT/KR2016/001199 KR2016001199W WO2016126110A1 WO 2016126110 A1 WO2016126110 A1 WO 2016126110A1 KR 2016001199 W KR2016001199 W KR 2016001199W WO 2016126110 A1 WO2016126110 A1 WO 2016126110A1
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WIPO (PCT)
Prior art keywords
mounted display
electrical stimulation
display device
user
motion
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PCT/KR2016/001199
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English (en)
Korean (ko)
Inventor
구정훈
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계명대학교 산학협력단
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Publication of WO2016126110A1 publication Critical patent/WO2016126110A1/fr

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/012—Head tracking input arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer

Definitions

  • the present invention relates to a head mounted display device, and more particularly, to an electrical stimulation head mounted display device for reducing virtual reality motion sickness.
  • input and output devices for providing various audiovisual stimuli to a user are also being developed.
  • input devices which have conventionally provided only an input signal with a keyboard, a mouse, a joystick, and the like, have been developed to provide an input signal in various ways by using a gravity change, an acceleration change, and the like.
  • the output device has been developed to provide a three-dimensional image and provide a more realistic audio-visual stimulus, beyond providing a large screen to the user, or providing an image of ultra high definition.
  • output devices are being developed that can be worn on the head to experience virtual reality, such as Oculus Rift, Galaxy VR, Morpheus, and the like.
  • the virtual reality output devices are configured such that the user can visually recognize the user only by the image displayed on the output screen while the user's field of view is entirely covered. If there is a difference in the motion of the video appearing on the screen, you may feel motion sickness. This motion sickness symptom is also called cyber sickness (or virtual motion sickness), there is a problem that the ease of use for the output device itself can be significantly reduced when the virtual motion sickness is accumulated.
  • Korean Patent Laid-Open Publication No. 10-2014-0010715 January 27, 2014
  • Korean Patent Laid-Open Publication No. 10-2012-0129134 2012.11.28.
  • a head mounted display device use a head mounted display device to display content.
  • techniques for displaying the are disclosed, there is a limit to fail to disclose a configuration for reducing the symptoms of virtual motion sickness that may be caused to the user.
  • the present invention has been proposed to solve the above problems of the conventionally proposed methods, and when the head mounted display device displays an image at a predetermined frame rate, a motion sensor connected thereto detects the movement of the user's face. When the difference between the movement of the face and the movement of the image is large, the electrical stimulus is provided to the contact area adjacent to the user's ear, thereby reducing the user's virtual motion sickness symptoms using the head mounted display device. It is an object of the present invention to provide an electrical stimulation head mounted display device that reduces motion sickness.
  • An electrical stimulation head mounted display device for reducing virtual reality motion sickness according to a feature of the present invention for achieving the above object
  • a head mounted display device worn on the face to cover the user's field of view and configured to display an image according to a first frame rate preset to the user;
  • a motion detection sensor electrically connected to the head mounted display device and configured to detect a movement of a face of the user and provide the detected face movement information to the head mounted display device;
  • an electrical stimulation device electrically connected to the head mounted display device, the electrical stimulation device being configured to provide electrical stimulation to a contact region adjacent to the user's ear based on the sensed facial motion information.
  • the head mounted display device Preferably, the head mounted display device,
  • a display unit configured to display the image according to the first frame rate
  • control unit providing image data for displaying the image to the display unit and providing sound data for outputting the sound to the speaker.
  • the display unit More preferably, the display unit,
  • It can be configured to include any one of a liquid crystal display and an organic light emitting display.
  • It may be configured to include a 3D image having a perspective view from the user's point of view.
  • the motion detection sensor and the electrical stimulation device may be configured to be connected to the control unit via a wire.
  • the motion detection sensor and the electrical stimulation device may be configured to be integrally formed with respect to the head mounted display device.
  • the motion detection sensor may be configured to be disposed higher than the head mounted display device on the head of the user.
  • the motion detection sensor Preferably, the motion detection sensor, the motion detection sensor, and
  • It may be configured to detect a relative change of an object coming into a preset viewing angle in front of the user, and calculate the movement of the face of the user.
  • the motion detection sensor More preferably, the motion detection sensor,
  • the object may be configured to be a movement in at least one direction selected from a group including a leftward movement, a rightward movement, an upward movement, a downward movement, and a diagonal movement within the viewing angle of the object.
  • the electrical stimulation device Preferably, the electrical stimulation device,
  • It may be configured to be disposed adjacent to at least one ear of the user.
  • the electrical stimulation device More preferably, the electrical stimulation device,
  • Both ears of the user may be configured to cover the whole.
  • the electrical stimulation device More preferably, the electrical stimulation device,
  • a stimulus generator configured to generate an electrical stimulus to be provided to the user based on the control of the controller
  • It may be configured to include a stimulus delivery unit for delivering the generated electrical stimulation to the contact site.
  • the stimulus delivery unit may be configured to contact a plurality of sites adjacent to the user's ear.
  • the stimulus delivery unit may be configured to deliver the generated electrical stimulus through different electrical stimulation paths according to contact sites adjacent to the ear.
  • the electrical stimulation may be configured to act electromagnetically to the vestibular organ of the user.
  • control unit More preferably, the control unit,
  • the electrical stimulation device may be configured to provide an electrical stimulation.
  • control unit More preferably, the control unit,
  • the ratio of the first motion change rate to the second motion change rate is gradually increased to be greater than 1, it may be configured to control to increase the intensity of the electrical stimulation.
  • control unit More preferably, the control unit,
  • the ratio of the first movement rate of change to the second rate of change of motion is greater than zero but gradually decreases to less than one, it may be configured to control the intensity of the electrical stimulation to be increased.
  • control unit More preferably, the control unit,
  • the frequency of the electrical stimulation may be configured to be increased.
  • control unit More preferably, the control unit,
  • the frequency of the electrical stimulation may be controlled to increase.
  • the electrical stimulation head mounted display device for reducing virtual reality motion sickness proposes a motion sensor connected thereto detects the movement of the user's face.
  • a motion sensor connected thereto detects the movement of the user's face.
  • FIG. 1 is a view schematically showing the configuration of an electrical stimulation head mounted display device for reducing virtual reality motion sickness according to an embodiment of the present invention.
  • Figure 2 is a diagram showing the detailed configuration of the electrical stimulation head-mounted display device for reducing virtual reality motion sickness according to an embodiment of the present invention.
  • FIG 3 is a view showing the appearance of an electrical stimulation head mounted display device for reducing virtual reality motion sickness according to an embodiment of the present invention.
  • FIG. 4 is a diagram illustrating a display image output to a display unit of an electrical stimulation head mounted display device for reducing virtual reality motion sickness according to an embodiment of the present invention.
  • FIG 5 and 6 are views showing the operation of the motion detection sensor of the electrical stimulation head-mounted display device for reducing virtual reality motion sickness according to an embodiment of the present invention.
  • FIG. 7 is a view showing the operation of the electrical stimulation device of the electrical stimulation head-mounted display device for reducing virtual reality motion sickness according to an embodiment of the present invention.
  • FIG. 8 is a diagram showing the intensity of the electrical stimulation provided from the electrical stimulation head mounted display device for reducing virtual reality motion sickness according to an embodiment of the present invention according to the difference in the rate of change of motion.
  • FIG. 9 is a view showing the frequency of the electrical stimulation provided from the electrical stimulation head mounted display device for reducing virtual reality motion sickness according to an embodiment of the present invention according to the difference in the rate of change of motion.
  • an electrical stimulation head mounted display device for reducing virtual reality motion sickness includes a head mounted display (HMD) device 100 and a motion detection sensor. 200 and the electrical stimulation device 300 may be configured.
  • the head mounted display device 100 may include a display unit 110, a speaker 130, and a controller 150.
  • the motion detection sensor 200 and the electrical stimulation device 300 may be electrically connected to the controller 150 of the head mounted display device 100.
  • the controller 150 of the head mounted display apparatus 100 receives predetermined motion information from the motion detection sensor 200, and provides a control signal for generating and transmitting an electrical stimulus to the electrical stimulation apparatus 300.
  • the electrical stimulation device 300 may include a stimulus generator 310 and a stimulus transmitter 330.
  • FIG. 3 is a view showing the appearance of the electrical stimulation head-mounted display device for reducing virtual reality motion sickness according to an embodiment of the present invention.
  • the head mounted display apparatus 100 of the electrical stimulation head mounted display apparatus for reducing virtual reality motion sickness according to an embodiment of the present invention may cover the user's field of view. Can be worn on the face.
  • the display unit 110 of the head mounted display apparatus 100 may be configured to display an image according to a preset first frame rate (eg, 90 to 120 frames per second).
  • the display unit 110 may include a liquid crystal display (LCD), an organic light emitting display (OLED), a flexible display, a transparent display, and the like.
  • a predetermined image may be displayed on the display unit 110, which will be described with reference to FIG. 4.
  • the 3D image 111 may be displayed on the display unit 110 of the electrical stimulation head mounted display device for reducing virtual reality motion sickness according to an embodiment of the present invention.
  • the 3D image 111 may include a 3D image having a perspective viewed from a user's point of view.
  • the speaker 130 of the head mounted display apparatus 100 may output sound according to the image to the user.
  • the speaker 130 may include an earphone partially inserted into a user's ear hole, or a headset speaker overlapping a part of the user's ear wheel.
  • the image displayed on the display unit 110 and the sound output through the speaker 130 may be controlled by the controller 150.
  • the controller 150 may provide image data for displaying an image to the display unit 110 and provide sound data for outputting sound to the speaker 130.
  • the motion detection sensor 200 and the electrical stimulation device 300 may be integrally formed with respect to the head mounted display device 100.
  • the motion detection sensor 200 and the electrical stimulation device 300 may be connected to the head mounted display device 100 by wire.
  • the motion detection sensor 200 and the electrical stimulation device 300 may be electrically connected to the head mounted display device 100 through a conductive wire.
  • the motion detection sensor 200 may be disposed higher than the head mounted display apparatus 100 on the head of the user.
  • the motion sensor 200 may detect a relative change of an object within a preset viewing angle in front of the user, calculate a user's face movement, and output the face movement information of the head mounted display device ( It may be provided to the control unit 150 of 100.
  • the operation of the motion detection sensor 200 will be described in more detail with reference to FIGS. 5 and 6.
  • the motion detection sensor 200 may be disposed on the user's head 70 to detect objects included in a range of a predetermined viewing angle along the front line of sight of the user.
  • the motion detection sensor 200 may be configured to amplify and detect infrared rays emitted from an animal or an object using infrared rays, such as a pyroelectric infrared (PIR) sensor.
  • PIR pyroelectric infrared
  • FIG. 5 for example, a cylinder 510 disposed on the left side and a square pillar 520 disposed on the right side are detected within the viewing angle according to the user's gaze direction.
  • the motion detection sensor 200 when the user moves the head 70 at a predetermined angle in response to an image displayed on the display unit 110 of the head mounted display apparatus 100, the motion detection sensor 200 The movement of the user may be detected by the surrounding objects detected in the moved viewing angle. For example, in FIG. 6, as the user's head 70 moves to the left side, within the viewing angle of the motion detection sensor 200, the rectangular panel 530 disposed on the left side and the cylinder disposed on the right side. It is shown that 510 is detected. In this case, as shown in FIGS.
  • the motion detection sensor ( 200 may calculate the movement of the user's head 70 (ie, move from right to left).
  • the motion detection sensor 200 may detect a relative change of an object according to a preset second frame rate.
  • the relative change of the object may include a movement such that the object moves to the left, moves to the right, moves upward, moves downward, or moves diagonally within the viewing angle.
  • the motion detection sensor 200 may detect the moving distance of the object detected at the second frame rate (eg, 30 frames per second) and detect the speed at which the user's head 70 moves.
  • the movement change of the user and the movement change of the display image output from the head mounted display apparatus 100 do not coincide with each other or differ to exceed an allowable threshold range, the user may experience virtual motion sickness.
  • the electrical stimulation device 300 may be driven to reduce virtual motion sickness.
  • the electrical stimulation device 300 is electrically connected to the control unit 150 of the head mounted display device 100 and based on the facial motion information detected by the motion sensor 200, the contact area adjacent to the user's ear. Electrical stimulation may be provided for.
  • the electrical stimulation device 300 may be disposed adjacent to at least one ear of the user, and in some embodiments, may be arranged to cover both ears as a whole.
  • the electrical stimulation device 300 may include a stimulus generator 310 generating an electrical stimulus to be provided to a user based on the control of the controller 150 and a contact portion of the generated electrical stimulus. It may be configured to include a stimulus delivery unit (330a, 330b) for transmitting. As illustrated in FIG. 7, the stimulus transmitters 330a and 330b may contact a plurality of regions adjacent to the user's ear. For example, the stimulus transmitters 330a and 330b may contact the upper and lower portions of the user's ear, respectively.
  • the stimulus transmitters 330a and 330b may transmit the electrical stimulus through different electrical stimulation paths according to respective contact sites adjacent to the ear.
  • the strength, frequency, and the like of the electrical stimulation provided by the stimulus transmission unit 330a in contact with the upper part of the user's ear are the strengths of the electrical stimulation provided by the stimulus transmission unit 330b in contact with the lower part of the user's ear.
  • the frequency and the like may be different from each other, and the stimuli delivered from each of the stimulus transmitters 330a and 330b may be delivered to the vestibular organ through the subcutaneous tissue disposed above and the subcutaneous tissue disposed below.
  • the electrical stimulation generated by the stimulus generator 310 may act electromagnetically to the vestibular organ of the user.
  • the electrical stimulation head-mounted display device for reducing virtual reality motion sickness according to an embodiment of the present invention is provided to the user according to the movement of the face and the degree of change of the movement of the display image.
  • the controller 150 may compare the first motion change rate of the face detected by the motion detection sensor 200 with the second motion change rate of the display image output from the display 110, and then determine the first motion change rate. And when the second movement change rate is different by more than a preset threshold range, the electrical stimulation device 300 may be controlled to provide the electrical stimulation to the user.
  • the ratio of the rate of change of the first motion of the face to the rate of change of the second motion of the display image gradually increases to greater than 1, it may be caused as the display image changes relatively slowly and slowly compared to the face movement.
  • the intensity of the electrical stimulation provided to the user can be increased.
  • the ratio of the first motion change rate of the face to the second motion change rate of the display image gradually decreases from greater than 0 but less than 1, it is caused as the display image changes relatively faster and faster than the facial motion.
  • the intensity of the electrical stimulation provided to the user can be increased.
  • the rate of change of the first motion and the rate of change of the second motion are substantially the same, the electrical stimulation may be provided to the user, or the electrical stimulation having a small size Er may not be recognized by the user.
  • the frequency of the electrical stimulation provided to the user may vary according to the movement of the face and the degree of change of the movement of the display image. For example, when the ratio of the first motion change rate of the face to the second motion change rate of the display image gradually increases to greater than 1, it may be caused as the display image changes relatively slowly and slowly compared to the face motion. To reduce virtual motion sickness, the frequency of electrical stimulation provided to a user can be increased.
  • the ratio of the first motion change rate of the face to the second motion change rate of the display image gradually decreases from greater than 0 but less than 1, it is caused as the display image changes relatively faster and faster than the facial motion.
  • the frequency of the electrical stimulation provided to the user can be increased.
  • the electric stimulus may not be provided to the user or may be provided with an electric stimulus having a small frequency Fr that is not recognized by the user.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Optics & Photonics (AREA)
  • User Interface Of Digital Computer (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

La présente invention concerne un dispositif d'affichage monté sur la tête à stimulation électrique permettant de réduire la cinétose due à la réalité virtuelle, qui lorsque ce dernier affiche une image une image selon une vitesse de trame prédéterminée, un capteur de détection de mouvement connecté au dispositif d'affichage monté sur la tête détecte les mouvements de visage d'un utilisateur, et si une différence entre un changement dans les mouvements du visage et un changement dans les mouvements d'une image est grande, une stimulation électrique est fournie à une partie de contact adjacente à l'oreille de l'utilisateur, ce qui permet de réduire les symptômes de cinétose due à la réalité virtuelle de l'utilisateur au moyen du dispositif d'affichage monté sur la tête.
PCT/KR2016/001199 2015-02-05 2016-02-03 Dispositif d'affichage monté sur la tête à stimulation électrique permettant de réduire la cinétose due à la réalité virtuelle WO2016126110A1 (fr)

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KR1020150017781A KR101564964B1 (ko) 2015-02-05 2015-02-05 가상현실 멀미를 감소시키는 전기 자극 헤드 마운트 디스플레이 장치
KR10-2015-0017781 2015-02-05

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US20170249010A1 (en) * 2016-02-29 2017-08-31 Samsung Electronics Co., Ltd. Video display apparatus and method for reducing vr sickness
CN107765861A (zh) * 2017-12-07 2018-03-06 保定迈拓港湾科技发展股份有限公司 一种防止虚拟现实设备对人体产生眩晕感的方法及装置
CN114223193A (zh) * 2019-07-10 2022-03-22 法国甫托尼公司 具有可调节图像获取速度的数字夜视设备

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KR101806715B1 (ko) * 2016-06-23 2017-12-07 연세대학교 산학협력단 가속도 및 각가속도를 이용한 연동 시뮬레이션 시스템 및 그 방법
KR20180045644A (ko) * 2016-10-26 2018-05-04 삼성전자주식회사 머리 착용형 디스플레이 장치 및 그의 제어 방법
KR102650572B1 (ko) 2016-11-16 2024-03-26 삼성전자주식회사 전자 장치 및 그의 제어 방법
KR101913934B1 (ko) 2017-03-23 2018-10-31 한림대학교 산학협력단 가상현실기반 전정 재활 시스템
JP7027753B2 (ja) * 2017-09-20 2022-03-02 富士フイルムビジネスイノベーション株式会社 情報処理装置及びプログラム
JP6945409B2 (ja) * 2017-10-02 2021-10-06 株式会社コロプラ 情報処理方法、コンピュータ、及びプログラム
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KR102055486B1 (ko) * 2017-12-12 2019-12-12 한국과학기술원 움직임 불일치의 딥 러닝 분석을 이용한 vr 콘텐츠 멀미 평가 장치 및 그 방법
KR102205691B1 (ko) * 2018-11-23 2021-01-21 주식회사 쓰리디아이 Vr 모션 플랫폼을 위한 멀미저감 방법 및 장치
KR102141740B1 (ko) * 2018-12-06 2020-08-05 연세대학교 산학협력단 가상현실 콘텐츠 시청 시 사용자가 느끼는 피로도 예측 장치 및 방법
CN113498503A (zh) * 2019-01-17 2021-10-12 苹果公司 用于感测生理状况的具有面部界面的头戴式显示器

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US20170249010A1 (en) * 2016-02-29 2017-08-31 Samsung Electronics Co., Ltd. Video display apparatus and method for reducing vr sickness
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CN107765861A (zh) * 2017-12-07 2018-03-06 保定迈拓港湾科技发展股份有限公司 一种防止虚拟现实设备对人体产生眩晕感的方法及装置
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CN114223193A (zh) * 2019-07-10 2022-03-22 法国甫托尼公司 具有可调节图像获取速度的数字夜视设备

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