WO2012134209A2 - Virtual golf simulation apparatus and method - Google Patents

Virtual golf simulation apparatus and method Download PDF

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Publication number
WO2012134209A2
WO2012134209A2 PCT/KR2012/002352 KR2012002352W WO2012134209A2 WO 2012134209 A2 WO2012134209 A2 WO 2012134209A2 KR 2012002352 W KR2012002352 W KR 2012002352W WO 2012134209 A2 WO2012134209 A2 WO 2012134209A2
Authority
WO
WIPO (PCT)
Prior art keywords
ball
image
rotation
rotation state
virtual
Prior art date
Application number
PCT/KR2012/002352
Other languages
English (en)
French (fr)
Other versions
WO2012134209A3 (en
Inventor
Jae Soon Song
Seong In Cho
Sung Young Im
Ji Hoon Moon
Original Assignee
Golfzon Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Golfzon Co., Ltd. filed Critical Golfzon Co., Ltd.
Publication of WO2012134209A2 publication Critical patent/WO2012134209A2/en
Publication of WO2012134209A3 publication Critical patent/WO2012134209A3/en

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/36—Training appliances or apparatus for special sports for golf
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/003—Repetitive work cycles; Sequence of movements
    • G09B19/0038—Sports
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B9/00—Simulators for teaching or training purposes

Definitions

  • the present invention relates to a virtual golf simulation apparatus and method, and, more particularly, to a virtual golf simulation apparatus and method in which a golf ball hit by a user is sensed, and the trajectory of the sensed ball is calculated and simulated so that the user can play a game of golf or practice golf in virtual reality.
  • the screen golf system senses the velocity and direction of a golf ball that a golfer hits onto a screen installed indoors for displaying a virtual golf range, and displays the progress of the golf ball on the screen.
  • the screen golf system realized by the virtual golf simulation apparatus characteristically offers the same sense of reality that a golfer would feel on a real golf course, when the golfer hits a golf ball in the same manner as on a golf driving range.
  • the screen golf system realized by the virtual golf simulation apparatus it is necessary for the screen golf system realized by the virtual golf simulation apparatus to provide various contents based on various kinds of advanced apparatuses and systems, which cannot be provided by a real golf course or a golf driving range, thereby inducing interest of golfers, in addition to provision of the same sense of reality that a golfer would feel playing a round of golf on a real golf course.
  • a virtual golf simulation apparatus including a sensing device for sensing at least one of a golf club and a ball according to a golf swing performed by a user, an image realization means for realizing a virtual environment for virtual golf simulation as an image, a simulation means for calculating a physical property of the ball based on the result sensed by the sensing device and simulating a trajectory of the ball calculated based on the calculated physical property of the ball in the realized virtual environment, and a ball rotation display means for checking a rotation state of the ball simulated in the virtual environment and displaying the checked rotation state of the ball at a portion of a simulation image display.
  • a virtual golf simulation method including realizing a virtual environment for virtual golf simulation as an image, sensing at least one of a golf club and a ball according to a golf swing performed by a user, calculating a physical property of the ball based on the sensed result and simulating a trajectory of the ball calculated based on the calculated physical property of the ball in the realized virtual environment, and checking a rotation state of the ball simulated in the virtual environment and displaying the checked rotation state of the ball at a portion of a simulation image display.
  • the virtual golf simulation apparatus and method according to the present invention when a ball hit by a user is simulated in a virtual environment, it is possible for the user to intuitively watch a rotation state of the ball which is being simulated so that the user can be concretely informed of information regarding how the ball is progressing in the virtual environment as well as information regarding spin of the ball when the ball is hit. Consequently, it is possible for the user to enjoy golf and to check the spin of the ball hit by the user, thereby improving golf skill of the user.
  • FIG. 1 is a block diagram showing the construction of a virtual golf simulation apparatus according to an embodiment of the present invention
  • FIGS. 2 and 3 are views showing examples of a rotation state of a ball simulated in a virtual environment realized by the virtual golf simulation apparatus according to the embodiment of the present invention
  • FIG. 4 is a view showing an image realizing the rotation state of the ball shown in FIGS. 2 and 3 in more detail.
  • FIG. 5 is a flow chart showing a virtual golf simulation method according to an embodiment of the present invention.
  • FIG. 1 is a block diagram showing the construction of a virtual golf simulation apparatus according to an embodiment of the present invention.
  • the virtual golf simulation apparatus may include a sensing device 10, a database 20, an image realization means 30, 31 and 40, a manipulation means 50, and a controller M.
  • the sensing device 10 senses the motion of a golf club and/or a ball according to a golf swing performed by a user.
  • the sensing device 10 may be implemented in various forms.
  • the sensing device 10 may be implemented by an infrared sensor which emits infrared light, receives an infrared light component reflected by a golf club head moved when a user hits a ball and the ball hit by the user, and analyzes the received infrared light component, a laser sensor which irradiates a laser, senses a laser component blocked by a golf club head moved when a user hits a ball and the ball hit by the user, and analyzes the sensed laser component, or an image sensor which collects images regarding a ball hit by a user as the result of a golf swing and analyzes the collected images.
  • the sensing device 10 is configured to obtain information of the spin of a ball.
  • the sensing device 10 may be configured to directly sense the spin of a ball hit by a user.
  • the sensing device 10 may be configured to sense the advancing direction and impact position of a golf club head and a face angle of the golf club head at the time of impact, thereby estimating the spin of the ball.
  • the sensing device 10 is preferably implemented as an image sensor.
  • a specific marker is formed at the ball, and the motion of the marker is sensed when the ball is rotated, thereby directly sensing the spin of the ball.
  • the marker is not formed at the ball, the change of dimples of the ball may be sensed, thereby sensing the spin of the ball.
  • the spin of the ball may be estimated using various types of sensing devices.
  • the golf club head impacts the ball, it is possible to sense the advancing direction of the golf club head, the position of the ball hit by the golf club head, and a face angle of the golf club head at the time of impact, thereby determining whether the spin of the ball is a back spin or a side spin and estimating a spin value.
  • the database 20 stores all data necessary for virtual golf simulation. Specifically, the database 20 may store data to realize an image regarding a virtual environment for virtual golf simulation and data to realize a simulation image regarding the trajectory of a ball.
  • the image realization means realizes an image regarding a virtual environment for virtual golf simulation. That is, the image realization means realizes a virtual environment regarding a virtual field for a golf game or golf practice, such as an image regarding a virtual golf course or an image regarding a golf driving range, as an image. Also, in a case in which the trajectory of a ball is simulated, the image realization means realizes a simulation image.
  • the image realization means may include an image processing device 30 for extracting relevant data from the database 20 based on information received from the controller M and processing the data as an image so that the data can be output as the image and an image output device 40 for outputting the data processed by the image processing device 30.
  • An image regarding a virtual environment processed by the image processing device 30 is processed by a physics engine 31.
  • a virtual environment such as a virtual golf course or a virtual golf driving range, includes various elements, such as a fairway, a rough, a bunker, a water hazard, a stone hazard, a surrounding wood or forest, and a building, for example a shade shelter, and the elements of the virtual environment are processed by physics processing of the physics engine 31 so that the elements of the virtual environment have their physical properties.
  • the water hazard has the physical properties of water, and therefore, the water hazard is processed by physics processing so that the water hazard can exhibit the properties of water. Consequently, the water hazard is processed so that a ball falls into water when the ball is driven into the water hazard.
  • the building or the stone hazard may be processed by physics processing so that the building or the stone hazard can exhibit the physical properties thereof, for example, the ball can bounce off the building or the stone hazard.
  • the image processing device 30 may be implemented as a modulated part for performing an image processing function in an independent apparatus or may be implemented as an independent apparatus.
  • the image output device 40 outputs the image information processed by the image processing device 30 to a screen.
  • the image output device 40 may be implemented as a display device or a projector for projecting an image onto a screen to display the image.
  • the manipulation means 50 is provided to allow a user to input desired manipulation.
  • the shape of the manipulation means 50 is not restricted so long as the manipulation means 50 allows the user to input specific manipulation information.
  • the manipulation means 50 may include a keyboard, a mouse, a touch screen, a button device provided in the vicinity of a hitting plate, and a keypad configured to be manipulated by a user using a golf club.
  • the controller M is a main component that controls the respective components constituting the virtual golf simulation apparatus so that a user can play a game of golf or practice golf through virtual golf simulation.
  • the controller M includes a simulation means 100 and a ball rotation display means 200.
  • the simulation means 100 simulates the trajectory of the ball based on the result sensed by the sensing device 10 in the realized virtual environment. That is, the simulation means 100 receives specific physical information of the ball based on the motion of the golf club and/or the ball sensed by the sensing device 10, calculates the trajectory of the ball based on the received information of the ball, and simulates the calculated trajectory of the ball in the realized virtual environment.
  • the ball rotation display means 200 is a component that checks a rotation state of the ball simulated by the simulation means 100 in the realized virtual environment and visually displays the checked rotation state of the ball through the image realization means.
  • the ball rotation display means 200 includes a ball rotation checking means 210 configured to check a rotation state of the ball simulated in the realized virtual environment and a rotation state realization means 220 configured to control the image realization means to display a ball rotation image based on the rotation state of the ball checked by the ball rotation checking means 210 ata portion of the simulation image display.
  • a ball rotation checking means 210 configured to check a rotation state of the ball simulated in the realized virtual environment
  • a rotation state realization means 220 configured to control the image realization means to display a ball rotation image based on the rotation state of the ball checked by the ball rotation checking means 210 ata portion of the simulation image display.
  • the ball rotation image displayed on a screen by the ball rotation display means 200 may be continuously displayed until the ball is located and stopped on a field in the virtual environment after the ball is hit, i.e. while the ball is moved.
  • the ball rotation image may be temporarily displayed only in a specific section.
  • the sensing device 10 senses or estimates the spin of the ball and provides the sensed or estimated spin of the ball to the simulation means 100.
  • the simulation means 100 calculates the trajectory of the ball based on the sensed or estimated spin of the ball to realize a simulation image regarding the flight of the ball in the realized virtual environment.
  • the ball rotation checking means 210 of the ball rotation display means 200 checks a rotation state of the ball which is being simulated.
  • the ball rotation checking means 210 receives information regarding the rotation state of the ball from the simulation means 100 so that the rotation state realization means 220 can realize a ball rotation image corresponding to the current rotation state of the ball.
  • the ball rotation checking means 210 is configured to receive information regarding the rotation state of the ball from the simulation means 100.
  • the ball rotation checking means 210 may be configured to directly receive a spin value measured (directly sensed or estimated) by the sensing device 10 so that the rotation state realization means 220 can realize a ball rotation image based on the received spin value.
  • the ball rotation checking means 210 is configured to directly receive information regarding the spin of a ball from the sensing device 10, however, it may be necessary for the ball rotation checking means 210 to receive information regarding the rotation state of the ball from the simulation means 100.
  • a ball may not maintain an initially measured spin value but the rotation state of the ball may be changed under the influence of the wind during simulation of the ball in a virtual environment. Also, the ball may bounce off the ground or a stone with the result that the rotation state of the ball may be completely changed. Furthermore, the rotation state of the ball when the ball rolls on a field may be completely different from the initial spin of the ball.
  • the ball rotation checking means 210 must not check only the initial spin value of the ball.
  • the ball rotation checking means 210 checks how the rotation state of the ball is changed by various effects, such as an effect due to the wind or whether in the virtual environment, an effect due to collision between the ball and the field or various elements around the field, and an effect due to friction between the ball and the field when the ball rolls on the field, during simulation of the ball so that the checked rotation state of the ball is reflected in the ball rotation image.
  • the rotation state realization means 220 receives the checked result of the rotation state of the simulated ball from the ball rotation checking means 210 and processes the rotation state of the ball as an image.
  • the rotation state realization means 220 may display an image of the ball at one side of the screen and may realize various images, such as an image in which the displayed ball is rotated or an image regarding the rotation direction of the ball, according to the checked result.
  • the user may display or hide the ball rotation image realized by the ball rotation display means using the manipulation means 50.
  • FIG. 2 shows an example in which a virtual environment regarding a specific virtual golf course is realized as an image, and a ball is hit and simulated in the virtual environment.
  • FIG. 2 shows a case in which a tee shot is played at the position of a tee box.
  • the sensing device sensing the ball and provides the sensed result to the simulation means.
  • the simulation means calculates the trajectory of the ball based on the sensed result, and realizes a simulation image in which the ball flies from a state B1 to a state B2 according to the calculated trajectory of the ball as shown in FIG. 2.
  • the ball B2 is rotated by spin. If the effect of the wind is little in the virtual environment shown in FIG. 2, an initial spin value may be applied to the ball without great change. On the other hand, if the effect of the wind is great, the initial spin value may be changed to some extent.
  • Such effects are checked by the ball rotation checking means, and the checked effects are provided to the rotation state realization means.
  • the rotation state realization means displays how the ball is rotated at the present time as an image through a rotation state display window 300 displayed at one side of the screen.
  • an image 310 of the ball is displayed.
  • the image 310 of the ball may be displayed as a rotation animation so that the image 310 of the ball corresponds to a rotation state of the ball which is being simulated.
  • FIG. 3 shows an example of a screen displaying a state in which the ball flying through simulation falls into a field and rolls on the field and a rotation state of the ball which is being rolled through the rotation state display window 300.
  • the ball rolls from a state B1 to a state B2 and enters a green G.
  • the rotation state of the ball may be displayed as an image in which an image 310 of the ball is rotated in the same manner as the ball B2 simulated so that the image 310 of the ball rolls to the green G through the rotation state display window 300.
  • the rotation state display window 300 for displaying the ball rotation image shown in FIGS. 2 and 3 is shown in FIG. 4 in more detail.
  • an image 310 of the ball is displayed in the rotation state display window 300.
  • the image 310 of the ball may be realized as a rotation animation in which the image 310 of the ball is identically rotated based on the rotation state of the ball which is being simulated.
  • the ball rotation display means may display an indication 320 such as an arrow as shown in FIG. 4 on the image 310 of the ball to display a rotation state of the ball in addition to displaying the image 310 of the ball through a rotation animation.
  • an animation may be realized so that the image 310 of the ball is identically rotated in response to the checked rotation state of the ball and, at the same time, the indication 320 may provide information regarding the rotation direction of the ball.
  • the image 310 of the ball may be fixed, and the indication 320 such as an arrow may be moved in response to the checked rotation state of the ball.
  • the controller realizes a virtual environment image for virtual golf simulation (S10). For example, an image of a specific virtual golf course may be realized.
  • the controller controls a simulation image based on the calculated trajectory of the ball to be realized in the realized virtual environment (S50).
  • the controller checks a rotation state of the ball which is being simulated (S60), realizes an image regarding the rotation state of the ball based thereon, and controls the image to be displayed at one side of the screen (S70).
  • the controller ends the ball rotation display process (S80). While the simulation is continuously performed, on the other hand, steps S60 and S70 are continuously repeated.
  • the present invention when a ball hit by a user is simulated in a virtual environment, it is possible for the user to intuitively watch a rotation state of the ball which is being simulated so that the user can be concretely informed of information regarding how the ball is progressing in the virtual environment as well as information regarding spin of the ball when the ball is hit. Consequently, the present invention can be widely used in industries related to the virtual golf simulation apparatus and method.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Physics & Mathematics (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Processing Or Creating Images (AREA)
  • User Interface Of Digital Computer (AREA)
PCT/KR2012/002352 2011-03-31 2012-03-30 Virtual golf simulation apparatus and method WO2012134209A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0029721 2011-03-31
KR1020110029721A KR101078986B1 (ko) 2011-03-31 2011-03-31 가상 골프 시뮬레이션 장치 및 방법

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WO2012134209A2 true WO2012134209A2 (en) 2012-10-04
WO2012134209A3 WO2012134209A3 (en) 2012-12-06

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KR101290112B1 (ko) 2012-07-12 2013-07-26 한국과학기술원 골프 시뮬레이션 장치 및 골프 시뮬레이션 프로그램을 기록한 컴퓨터로 읽을 수 있는 매체
TWI614729B (zh) * 2016-05-18 2018-02-11 華冠通訊股份有限公司 虛擬實境顯示裝置的威脅警示系統及其威脅警示方法
KR101893302B1 (ko) * 2017-06-23 2018-08-30 주식회사 에스지엠 가상 골프 시뮬레이션 장치
KR102107928B1 (ko) * 2019-01-28 2020-05-08 주식회사 에스지엠 골프공의 회전정보를 보여주는 스크린 골프 시스템
KR102603088B1 (ko) * 2021-03-30 2023-11-16 주식회사 골프존 타격되어 이동하는 골프공에 대한 스핀 산출 방법 및 이를 이용한 스핀 산출 장치

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WO2012134209A3 (en) 2012-12-06
KR101078986B1 (ko) 2011-11-01
TW201244777A (en) 2012-11-16
TWI464009B (zh) 2014-12-11

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