WO2017054420A1 - 确定虚拟物件在虚拟空间中位置的方法及装置 - Google Patents

确定虚拟物件在虚拟空间中位置的方法及装置 Download PDF

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Publication number
WO2017054420A1
WO2017054420A1 PCT/CN2016/076541 CN2016076541W WO2017054420A1 WO 2017054420 A1 WO2017054420 A1 WO 2017054420A1 CN 2016076541 W CN2016076541 W CN 2016076541W WO 2017054420 A1 WO2017054420 A1 WO 2017054420A1
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WO
WIPO (PCT)
Prior art keywords
virtual
space
real
determining
virtual object
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2016/076541
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English (en)
French (fr)
Chinese (zh)
Inventor
张大为
龙寿伦
李刚
张丰学
熊旭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Dlodlo Technologies Co Ltd
Original Assignee
Shenzhen Dlodlo Technologies 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 Shenzhen Dlodlo Technologies Co Ltd filed Critical Shenzhen Dlodlo Technologies Co Ltd
Priority to KR1020187011616A priority Critical patent/KR20180059852A/ko
Priority to EP16850048.6A priority patent/EP3358444A4/en
Priority to JP2018516786A priority patent/JP2018536916A/ja
Priority to US15/764,836 priority patent/US10957065B2/en
Publication of WO2017054420A1 publication Critical patent/WO2017054420A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G06F3/04815—Interaction with a metaphor-based environment or interaction object displayed as three-dimensional [3D], e.g. changing the user viewpoint with respect to the environment or object
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating three-dimensional [3D] models or images for computer graphics
    • G06T19/003—Navigation within 3D models or images
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating three-dimensional [3D] models or images for computer graphics
    • G06T19/20—Editing of three-dimensional [3D] images, e.g. changing shapes or colours, aligning objects or positioning parts

Definitions

  • the present invention relates to the field of virtual reality, and in particular, to a method and apparatus for determining a location of a virtual object in a virtual space.
  • Virtual Realiy (VR) technology refers to the use of electronic devices to construct a virtual space, and according to the virtual space, to provide users with a technique for visual, auditory and other sensory simulation.
  • the use of virtual reality technology allows the user to interact with virtual objects in the virtual space, providing the user with an experience of visual, auditory, tactile, and the like.
  • the virtual reality device In order to enhance the authenticity of the virtual space and provide the user with an immersive visual experience, the virtual reality device needs to construct a virtual scene in the virtual space according to the scene in the real space.
  • the virtual reality device When constructing a virtual scene in a virtual space according to a scene in real space, the virtual reality device needs to construct a corresponding virtual object in the virtual space according to the objects in the implementation space. For example, when there is a table in the real space, it is necessary to construct a virtual table in the virtual space according to the corresponding table in the real space. Therefore, there is a need for a method for determining the position of a virtual object in a virtual space based on the position of the real object in real space.
  • Embodiments of the present invention provide a method and apparatus for determining a location of a virtual object in a virtual space to meet a technical requirement of adjusting an attitude angle of a virtual object in a virtual space according to a change in attitude angle of the peripheral device.
  • an embodiment of the present invention provides a method for determining a location of a virtual object in a virtual space, the method comprising: detecting whether a predetermined trigger condition for determining a location of a virtual object in a virtual space according to a movement trajectory of the peripheral device is satisfied; When the predetermined trigger condition is met, the moving trajectory of the peripheral device in the real space is sampled, thereby acquiring at least three sampling points; when the moving trajectory forms a loop, determining a real space plane where the sampling point is located; Converting the real space plane to a target in the virtual space according to a preset conversion relationship a plane; a specified face of the virtual object is disposed at the target plane to determine a position of the virtual object in the virtual space.
  • the determining whether the predetermined trigger condition for determining the location of the virtual object in the virtual space according to the movement trajectory of the peripheral device comprises: detecting the location of the peripheral device Whether the component is in contact with a real object in real space.
  • the moving track of the peripheral device in the real space is sampled, thereby acquiring at least
  • the three sampling points include: when the positioning component is in contact with the real component, sampling a motion trajectory of the positioning component in a real space, thereby acquiring at least three sampling points.
  • determining a real space plane where the sampling point is located includes: determining the sampling point in a real space reference coordinate system a coordinate value in the middle; when the moving track forms a loop, the real plane is fitted according to the coordinate value of the sampling point.
  • the specified plane of the virtual object is set in the target plane, so that determining the location of the virtual object in the virtual space comprises: designating the virtual object a face is disposed at the target plane to determine a position of the virtual object in the virtual space, wherein the virtual object corresponds to the real object, a reference point in the specified plane and the target plane The reference points coincide.
  • an embodiment of the present invention provides a device for determining a location of a virtual object in a virtual space, the device comprising: a detecting unit, configured to detect whether the location of the virtual object in the virtual space is determined according to a movement trajectory of the peripheral device a predetermined triggering condition; the sampling unit is configured to: when the predetermined trigger condition is met, sample a moving trajectory of the peripheral device in real space, thereby acquiring at least three sampling points; and determining a unit for using the moving track When forming a loop, determining a real space plane in which the sampling point is located; a converting unit configured to convert the real space plane into a target plane in the virtual space according to a preset conversion relationship; and a positioning unit configured to specify the virtual object A face is disposed at the target plane to determine a position of the virtual object in the virtual space.
  • the detecting unit is specifically configured to detect whether the positioning component of the peripheral device is in contact with a real object in a real space.
  • the sampling unit is specifically configured to sample a motion trajectory of the positioning component in a real space when the positioning component is in contact with the real component, thereby acquiring at least three sampling points.
  • the determining unit includes: a coordinate value determining subunit, configured to determine a coordinate value of the sampling point in a real space reference coordinate system; And a zygomatic unit, configured to fit the real plane according to the coordinate value of the sampling point when the moving track forms a loop.
  • the positioning unit is configured to set a designated surface of the virtual object on the target plane, thereby determining that the virtual object is in the virtual space. a location, wherein the virtual object corresponds to the real object, and a reference point in the specified plane coincides with a reference point in the target plane.
  • a predetermined trigger condition for determining a position of the virtual object in the virtual space according to the movement trajectory of the peripheral device is satisfied; and when the predetermined trigger condition is met, the movement trajectory of the peripheral device in the real space is sampled.
  • the position of the real object in the real space can be determined according to the movement trajectory of the peripheral device in the real space, and then the virtual object is determined in the virtual space according to the position of the real object in the real space.
  • the position of the virtual object in the virtual space is determined according to the position of the real object in the real space.
  • FIG. 1 is a schematic flow chart of an embodiment of a method for determining a location of a virtual object in a virtual space according to the present invention
  • FIG. 2 is a schematic structural diagram of an apparatus for determining a position of a virtual object in a virtual space according to the present invention.
  • a flow chart of an embodiment of a method for determining a location of a virtual object in a virtual space is provided.
  • the method may be performed by a Virtual Reality (VR) device, which may be a VR glasses, a VR helmet, or the like, and the peripheral device may have a real-space attitude angle acquisition and reporting capability.
  • VR Virtual Reality
  • the method comprises the following steps:
  • Step 101 Detect whether a predetermined trigger condition for determining a position of the virtual object in the virtual space according to the movement trajectory of the peripheral device is satisfied.
  • the VR device can periodically detect whether the predetermined trigger condition is satisfied.
  • the predetermined trigger condition may be preset by a technician as needed. For example, it may be whether the button specified on the peripheral device is pressed, or whether the positioning component of the peripheral device is in contact with a real object in real space, and the like. Wherein, detecting whether the positioning component of the peripheral device is in contact with the real object in the real space can be determined by the signal reported by the pressure sensor on the positioning component.
  • Step 102 When the predetermined trigger condition is met, the moving track of the peripheral device in the real space is sampled, thereby acquiring at least three sampling points.
  • the VR device needs to determine the location of the virtual object in the virtual space.
  • the VR device can sample the moving track of the peripheral device in the real space according to the preset frequency. Since at least three points on a certain plane are required to determine the position of the plane, the VR device can acquire at least three sampling points when sampling the moving trajectory.
  • the VR device may sample the motion trajectory of the positioning component in the real space according to a predetermined sampling frequency, thereby acquiring at least three sampling points.
  • the VR device may also sample the motion trajectory of the positioning component in the real space according to a predetermined sampling frequency when the designated button is pressed, thereby acquiring at least three sampling points.
  • Step 103 Determine a real space plane where the sampling point is located when the moving track forms a loop.
  • the VR device may determine the real space plane where the sampling point is located when the moving track forms a loop.
  • the moving track forming loop may mean that the moving track is formed twice in the real space. The same coordinate point. For example, the device detects that a line between two adjacent sampling points intersects with a line between two other adjacent sampling points. When you point, you can think that the movement track forms a loop.
  • the VR device can fit the real plane where the sampling point is located according to the coordinates of the sampling point.
  • the coordinate of the sampling point may be the coordinate of the sampling point in any preset coordinate system in the real space, and the real plane may also be represented by an expression in the preset coordinate system.
  • Step 104 Convert the real space plane into a target plane in the virtual space according to a preset conversion relationship.
  • the real space plane may be converted into a target plane in the virtual space according to a preset conversion relationship.
  • the preset conversion relationship may be a fixed conversion relationship, or may be a conversion relationship selected from the candidate conversion relationship according to a predetermined trigger condition.
  • the conversion relationship is calculated according to A, B, C, and D.
  • at least one of a, b, c, and d is not 0.
  • Step 105 Set a specified face of the virtual object on the target plane, thereby determining a position of the virtual object in the virtual space.
  • the virtual object will typically have multiple faces, so after the target location is determined, the VR device can set the target face in the plurality of faces to determine the location of the virtual object in the virtual space.
  • the designated surface may be any surface of the surface of the virtual object, and may be any surface inside the virtual object.
  • the target plane and the specified plane are generally planes that are infinitely extended, when the specified plane of the virtual object is set in the target plane, first, a point can be selected as the reference point in the target plane, and then the virtual object is selected.
  • a point on the designated face is used as a reference point, and a designated face of the virtual object is placed on the target plane such that the reference point coincides with the reference point.
  • the reference point may be any point in the target plane, and may be automatically selected by the VR device; the reference point may be any point in the specified plane, since the specified plane is usually a polygon. Therefore, in general, the reference point may be the center of gravity of the specified plane.
  • the VR device can determine the position of the real object in the real space according to the moving trajectory of the peripheral device in the real space, and then determine the virtual object in the virtual space according to the position of the real object in the real space.
  • the position in the space is calculated, so as to determine the position of the virtual object in the virtual space according to the position of the real object in the real space.
  • the present invention also provides means for determining the location of the virtual object in the virtual space.
  • FIG. 2 is a schematic structural diagram of an apparatus for determining a position of a virtual object in a virtual space according to the present invention.
  • the device can be placed on a VR device.
  • the apparatus may include: a detecting unit 201, a sampling unit 202, a determining unit 203, a converting unit 204, and a positioning unit 205.
  • the detecting unit 201 is configured to detect whether a predetermined trigger condition for determining a position of the virtual object in the virtual space according to the movement trajectory of the peripheral device is satisfied; the sampling unit 202 is configured to: when the predetermined trigger condition is met, the peripheral device is The moving trajectory in the real space is sampled to obtain at least three sampling points; the determining unit 203 is configured to determine a real space plane where the sampling point is located when the moving trajectory forms a loop; and the converting unit 204 is configured to follow The preset conversion relationship converts the real space plane into a target plane in the virtual space; the positioning unit 205 is configured to set a specified surface of the virtual object on the target plane, thereby determining the position of the virtual object in the virtual space .
  • the detecting unit 201 is specifically configured to detect whether the positioning component of the peripheral device is in contact with a real object in a real space.
  • the sampling unit 202 is configured to: when the positioning component is in contact with the real component, sample a motion trajectory of the positioning component in a real space, thereby acquiring at least three sampling points.
  • the determining unit 203 includes: a coordinate value determining subunit, configured to determine a coordinate value of the sampling point in a real space reference coordinate system; and a plane fitting subunit, configured to form a loop in the moving track And, the real plane is fitted according to the coordinate value of the sampling point.
  • the positioning unit 205 is specifically configured to: set a specified surface of the virtual object on the target plane, thereby determining a location of the virtual object in the virtual space, where the virtual object and the real object are Correspondingly, the reference point in the specified plane coincides with the reference point in the target plane.
  • the position of the real object in the real space can be determined according to the moving trajectory of the peripheral device in the real space, and then the position of the virtual object in the virtual space is determined according to the position of the real object in the real space, thereby realizing The position of the virtual object in the virtual space is determined according to the position of the real object in the real space.
  • the techniques in the embodiments of the present invention can be implemented by means of software plus a necessary general hardware platform. Based on such understanding, the technical solution in the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product, which may be stored in a storage medium such as a ROM/RAM. , a disk, an optical disk, etc., including instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform the methods described in various embodiments of the present invention or portions of the embodiments.
  • a computer device which may be a personal computer, server, or network device, etc.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Computer Graphics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Architecture (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Processing Or Creating Images (AREA)
  • User Interface Of Digital Computer (AREA)
PCT/CN2016/076541 2015-09-30 2016-03-16 确定虚拟物件在虚拟空间中位置的方法及装置 Ceased WO2017054420A1 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020187011616A KR20180059852A (ko) 2015-09-30 2016-03-16 가상 공간에서 가상 객체의 위치를 결정하기 위한 방법 및 장치
EP16850048.6A EP3358444A4 (en) 2015-09-30 2016-03-16 Method and device for determining position of virtual object in virtual space
JP2018516786A JP2018536916A (ja) 2015-09-30 2016-03-16 仮想空間における仮想物体の位置を決定する方法及び装置
US15/764,836 US10957065B2 (en) 2015-09-30 2016-03-16 Method and device for determining position of virtual object in virtual space

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CN201510638981.7A CN105224084B (zh) 2015-09-30 2015-09-30 确定虚拟物件在虚拟空间中位置的方法及装置
CN201510638981.7 2015-09-30

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EP (1) EP3358444A4 (https=)
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US10957065B2 (en) 2021-03-23
US20180211405A1 (en) 2018-07-26
CN105224084B (zh) 2018-04-24
EP3358444A4 (en) 2018-08-22
CN105224084A (zh) 2016-01-06
KR20180059852A (ko) 2018-06-05
EP3358444A1 (en) 2018-08-08
JP2018536916A (ja) 2018-12-13

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