CN107844191A - Motion capture device for virtual reality - Google Patents
Motion capture device for virtual reality Download PDFInfo
- Publication number
- CN107844191A CN107844191A CN201610908891.XA CN201610908891A CN107844191A CN 107844191 A CN107844191 A CN 107844191A CN 201610908891 A CN201610908891 A CN 201610908891A CN 107844191 A CN107844191 A CN 107844191A
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- Prior art keywords
- motion capture
- capture device
- connecting rod
- housing
- optical
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Classifications
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- 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
-
- 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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/0304—Detection arrangements using opto-electronic means
- G06F3/0325—Detection arrangements using opto-electronic means using a plurality of light emitters or reflectors or a plurality of detectors forming a reference frame from which to derive the orientation of the object, e.g. by triangulation or on the basis of reference deformation in the picked up image
-
- 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
-
- 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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
One embodiment of the present of invention is related to a kind of motion capture device for virtual reality, including：Housing；An at least connecting rod, the first end of every connecting rod and the inside of housing are conducted；At least one optical markings thing, the corresponding connecting rod of each optical markings thing, each optical markings thing are connected with the second end of corresponding connecting rod, send the optical information related to the locus of motion capture device；Wherein, housing is additionally provided with：Pulse plate, enclosure interior is arranged at, the DC voltage of outside input is changed into alternating voltage powers for motion capture device；Inertial sensor, it is fixedly installed on pulse plate, the action message of motion capture device is gathered, so that virtual reality system determines the spatial attitude of motion capture device；Optical drive plate, is fixedly installed on pulse plate, is electrically connected by the wire inside connecting rod and optical markings thing, and driving optical markings thing lights.
Description
Technical field
The present invention relates to field of virtual reality, more particularly to a kind of motion capture device for virtual reality.
Background technology
With the rapid development of computer hardware technique and the raising of production of film and TV requirement, motion capture technology obtains
It is commonly used.Motion capture technology is related to positioning and bearing measurement of object in dimensional measurement, physical space etc. can be by
The data that computer is directly handled.Tracker is set in the key position of moving object, tracker is caught by motion capture system
Position, then the data of three dimensional space coordinate are obtained after computer disposal.After data are identified by computer, it can apply
The fields such as production of film and TV, gait analysis, biomethanics, human engineering.
The content of the invention
It is an object of the invention to provide a kind of motion capture device for virtual reality.
Motion capture device provided in an embodiment of the present invention for virtual reality includes：
Housing；
An at least connecting rod, the first end of the every connecting rod and the inside of the housing are conducted；
At least one optical markings thing, each corresponding connecting rod of the optical markings thing, each optics
Label is connected with the second end of the corresponding connecting rod, sends related to the locus of the motion capture device
Optical information；
Wherein, the housing is additionally provided with：
Pulse plate, the enclosure interior is arranged at, the DC voltage of outside input is changed into alternating voltage moves to be described
Make trap setting power supply；
Inertial sensor, it is fixedly installed on the pulse plate, gathers the action message of the motion capture device, so that
Virtual reality system determines the spatial attitude of the motion capture device；
Optical drive plate, it is fixedly installed on the pulse plate, passes through the wire inside the connecting rod and the optics
Label is electrically connected, and drives the optical markings thing to light.
Alternatively, the motion capture device also includes：
Fixedly connected part, it is arranged on the housing, connects external equipment, forms virtual video camera collection virtual scene
Information, or composition collaborative work video camera obtain entity video camera photographing information, the locus and space of entity video camera
Posture.
Alternatively, the fixedly connected part includes：Connector and Quick-mounting board；The connector and Quick-mounting board are by the action
Trap setting is fixedly connected with the external equipment.
Alternatively, the connector includes：Handle, support, backpack Si Tannikang, rocking arm or railcar.
Alternatively, the handle is connected with the Quick-mounting board by aluminum pipe with pipe clamp, so as to which the motion capture be filled
Put and be fixedly connected with the external equipment.
Alternatively, aviation plug is additionally provided with the housing, be connected with external power source, the disconnection of control circuit or company
Connect.
Alternatively, the inertial sensor includes：
3 axis MEMS micro-acceleration gauge, measure the acceleration of the inertial sensor；And
3 axis MEMS gyroscope, measure the angular speed of the inertial sensor；And/or
3 axis MEMS magnetometer, measure magnetic direction.
Alternatively, the optical drive plate is specially LED drive board.
Alternatively, the motion capture device also includes：
Communication module, the inside of the housing is arranged at, be connected with the inertial sensor, obtain the motion capture
The spatial attitude information of device is sent to the virtual reality system.
Alternatively, the connecting rod is rigidly connected with the housing.
Motion capture device provided in an embodiment of the present invention for virtual reality, by optical markings thing and inertial sensor
Integrative packaging is carried out, optical markings thing passes through the optical drive inside the wire inside connecting rod and motion capture device case
Plate is electrically connected, and driving optical markings thing lights, and optical markings thing sends related to the locus of motion capture device
Optical information, inertial sensor gather the action message of motion capture device, so that virtual reality system determines that motion capture fills
The spatial attitude put.The motion capture device of the present embodiment, can be connected with external equipment, and it is empty to form virtual video camera collection
Intend scene information, or composition collaborative work video camera obtains entity video camera photographing information, the locus of entity video camera
And spatial attitude, by the processing of virtual reality system, virtual scene and real world object are combined, are clapped so as to preferably present
Take the photograph effect.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, it will make below to required in the embodiment of the present invention
Accompanying drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation for the motion capture device for virtual reality that one embodiment of the invention provides；
Fig. 2 is the floor map for the motion capture device that one embodiment of the invention provides；
Fig. 3 is the motion capture device connection monitoring device schematic diagram that one embodiment of the invention provides；
Fig. 4 is the fast-assembling plate structure schematic diagram that one embodiment of the invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is the part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other reality that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example is applied, should all belong to the scope of protection of the invention.
To make what the technical scheme of the embodiment of the present invention and advantage expressed to become apparent from, below by drawings and examples,
Technical scheme is described in further detail.
Fig. 1 is the schematic diagram for the motion capture device for virtual reality that one embodiment of the invention provides；Such as Fig. 1 institutes
Show, the motion capture device for being used for virtual reality may include：Housing 1, at least a connecting rod 2 and at least one optical markings
Thing 3.
The first end of every connecting rod 2 and the inside of housing 1 are conducted.Each 3 corresponding connecting rod of optical markings thing
2, each optical markings thing 3 is connected with the second end of corresponding connecting rod 2, sends the locus phase with motion capture device
The optical information of pass.
The plan of motion capture device is as shown in Fig. 2 with reference to Fig. 1 and Fig. 2, housing 1 is also provided with：
Pulse plate 11, it is arranged inside housing 1, it is motion capture that the DC voltage of outside input is changed into alternating voltage
Device is powered.
Inertial sensor 12, is fixedly installed on pulse plate, gathers the action message of motion capture device, so that virtual existing
Real system determines the spatial attitude of motion capture device.
Optical drive plate 13, is fixedly installed on pulse plate, is carried out by the wire inside connecting rod 2 and optical markings thing
Electrical connection, driving optical markings thing light.
Optical markings thing 3 sends the optical information related to the locus of motion capture device, and motion capture cameras connects
Virtual reality system is sent to after receiving the optical information, so as to get the positional information of motion capture device.Inertial sensor
Virtual reality system is sent to after the action message of 12 collection motion capture devices, so as to get the space of motion capture device
Attitude information.
The quantity of optical markings thing 3 of the present invention is multiple, and particular number does not limit, and its set location and angle are equal
It can determine according to the actual requirements.
Optical markings thing 3 is active luminescent device, launches the light that can be received by motion capture cameras.Motion capture
Camera receives the light that luminescent device is sent, so as to obtain the optical information related to the locus of motion capture device.Hair
The light that optical device is launched can be the light of infrared light, visible ray or other wave-length coverages.
Luminescent device can be specially LED in the present embodiment, or be other kinds of light source.Sent out with LED
Exemplified by optical device, correspondingly, optical drive plate 13 is LED drive board.Connecting rod 2 is hollow structure, is internally provided with wire,
LED is connected by the wire inside connecting rod 2 with LED drive board, LED drive board driving LED, hair
After sending the optical information related to the locus of motion capture device, motion capture device to receive these optical informations, send
To virtual reality system, so as to get the positional information of motion capture device.
Inertial sensor 12 may include 3 axis MEMS micro-acceleration gauge and 3 axis MEMS gyroscope.Selected as one kind,
Inertial sensor 12 may also include 3 axis MEMS magnetometer.3 axis MEMS micro-acceleration gauge is used to measure adding for inertial sensor 12
Speed；3 axis MEMS gyroscope is used for the angular speed for measuring inertial sensor 12；3 axis MEMS magnetometer is used to measure earth magnetism
Direction；3 axis MEMS magnetometer is alternative herein.
When inertial sensor 12 only includes 3 axis MEMS micro-acceleration gauge and 3 axis MEMS gyroscope, six axle inertia are formed
Sensor.When inertial sensor 12 includes 3 axis MEMS micro-acceleration gauge, 3 axis MEMS gyroscope and 3 axis MEMS magnetometer,
Then form nine axle inertial sensors.
If using the scheme of six axle inertial sensors, the action message that inertial sensor 12 obtains includes inertial sensor
12 angular speed and acceleration.If using the scheme of nine axle inertial sensors, inertial sensor 12 can not only obtain angle speed
Degree and acceleration, additionally it is possible to obtain magnetic direction information.
After inertial sensor 12 gathers the angular speed, acceleration, magnetic direction information of motion capture device, it is sent to virtual
Reality system, so that virtual reality system determines the spatial attitude of motion capture device.
The setting of optical markings thing 3 and inertial sensor 12, make the present invention offer motion capture device with outside
Equipment is connected when being shot, it is possible to reduce the quantity of scene tracking camera, so as to reduce shooting cost.
At work, the motion capture device in the embodiment of the present application is connected by fixedly connected part with external equipment.
Fixedly connected part is arranged on housing 1, and fixedly connected part specifically includes connector and Quick-mounting board 5.Wherein, connector specifically includes
Handle, support, backpack Si Tannikang, rocking arm or railcar etc..
Motion capture device connects external equipment by fixedly connected part, to form virtual video camera collection virtual scene letter
Breath, or composition collaborative work video camera obtain entity video camera photographing information, the locus of entity video camera and space appearance
State.External equipment includes but is not limited to monitor, video camera etc..
Below with two specific examples, several situations are illustrated respectively.
In first specific example, motion capture device is connected by handle and Quick-mounting board with monitor, is formed
Virtual video camera gathers virtual scene information.
Motion capture device connection monitoring device as shown in figure 3, handle 4 is connected by pipe clamp 7 with aluminum pipe 6, fix by aluminum pipe 6
On Quick-mounting board 5, monitor 8 is connected with Quick-mounting board 5.Motion capture device is fixed on Quick-mounting board 5, so as to by motion capture
Device and monitor 8 fix an entirety, can be with the mobile monitors of hand-held handle 4 and motion capture device, motion capture device
Optical markings thing 3 send the optical information related to the locus of motion capture device, shoot place surrounding setting and act
Camera is caught, virtual reality system is sent to after receiving the optical information that optical markings thing 3 is sent, so as to get motion capture
The spatial position change information of device and monitor 8, the inertial sensor 12 of motion capture device gather motion capture device
Action message, virtual reality system is sent to, virtual reality system is got the posture letter of motion capture device and monitor 8
Breath, monitor 8 gathers virtual scene information and is sent to virtual reality system, so as to form virtual video camera.
Wherein, the concrete structure of Quick-mounting board 5 is as shown in Figure 4.Quick-mounting board 5 is the standard Quick-mounting board of video camera, can be realized
It is attached with a variety of capture apparatus, improves ease for use during motion capture device connection external equipment.
In motion capture device, connecting rod 2 is rigidly connected with housing 1, and the position of optical markings thing 3 is after setting
It is fixed, with safety action trap setting when connecting external equipment, and the relative position and attitude information of external equipment
It is changeless.The motion capture device and the relative position and attitude information of external equipment fixed is stored in virtual reality
In system.
When motion capture device is connected with external equipment, it is necessary to from power supply, picking out symbol possessed by external equipment
The power supply of light source input standard used in conjunction.It can select as the case may be using voltage conversion devices such as inverter or transformers
To light source power supply after progress voltage conversion, it is also possible to which the technology that electric power is transmitted using wireless space realizes light source power supply.
In another specific example, motion capture device is connected by Quick-mounting board 5 with entity video camera, and action is caught
The optical markings thing 3 for catching device sends the optical information related to the locus of motion capture device, and shooting place surrounding is set
Motion capture cameras is put, virtual reality system is sent to after receiving the optical information that optical markings thing 3 is sent, it is dynamic so as to get
Make the spatial position change information of trap setting and entity video camera, the inertial sensor collection motion capture of motion capture device
The action message of device, is sent to virtual reality system, virtual reality system is got the appearance of motion capture device and entity
State information, entity video camera photographing information, the locus of entity video camera and sky are obtained so as to form collaborative work video camera
Between posture.
When virtual video camera and collaborative work video camera are operated simultaneously, space bit that motion capture device is got
Put data and after spatial attitude data are sent to virtual reality system, by the processing of virtual reality system, make virtual scene and
Real world object is combined, and forms virtual reality so as to which shooting effect preferably be presented.
In addition, motion capture device can also be connected by Quick-mounting board 5 with supports such as tripods, or with backpack this
Brittany health, rocking arm or railcar etc. are connected, so as to obtain the locus of external equipment and spatial attitude information.
Selected as one kind, be additionally provided with aviation plug on housing 1, be connected with external power source, the disconnection of control circuit
Or connection.The connected mode of aviation plug and housing 1 includes termination, welding, crimping, mode connects for screw etc., and specific connected mode can
To be set as needed.
Selected as one kind, motion capture device also includes communication module, the inside of housing is arranged at, with inertial sensor
Be connected, obtain motion capture device spatial attitude information pass through it is wired or be wirelessly sent to virtual reality system
System.
Motion capture device of the present invention is also applied to the application scenarios such as virtual dodgem, virtual equilibrium car,
Obtain relevant location information and spatial attitude information is sent to virtual reality system.
Motion capture device provided in an embodiment of the present invention for virtual reality, by optical markings thing and inertial sensor
Integrative packaging is carried out, optical markings thing passes through the optical drive inside the wire inside connecting rod and motion capture device case
Plate is electrically connected, and driving optical markings thing lights, and optical markings thing sends related to the locus of motion capture device
Optical information, inertial sensor gather the action message of motion capture device, so that virtual reality system determines that motion capture fills
The spatial attitude put.The motion capture device of the present embodiment, can be connected with external equipment, and it is empty to form virtual video camera collection
Intend scene information, or composition collaborative work video camera obtains entity video camera photographing information, the locus of entity video camera
And spatial attitude, by the processing of virtual reality system, virtual scene and real world object are combined, are clapped so as to preferably present
Take the photograph effect.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (10)
1. a kind of motion capture device for virtual reality, it is characterised in that described device includes：
Housing；
An at least connecting rod, the first end of the every connecting rod and the inside of the housing are conducted；
At least one optical markings thing, each corresponding connecting rod of the optical markings thing, each optical markings
Thing is connected with the second end of the corresponding connecting rod, sends the optics related to the locus of the motion capture device
Information；
Wherein, the housing is additionally provided with：
Pulse plate, the enclosure interior is arranged at, the DC voltage of outside input is changed into alternating voltage catches for the action
Catch device power supply；
Inertial sensor, it is fixedly installed on the pulse plate, the action message of the motion capture device is gathered, so that virtually
Reality system determines the spatial attitude of the motion capture device；
Optical drive plate, it is fixedly installed on the pulse plate, passes through the wire inside the connecting rod and the optical markings
Thing is electrically connected, and drives the optical markings thing to light.
2. device according to claim 1, it is characterised in that the motion capture device also includes：
Fixedly connected part, it is arranged on the housing, connects external equipment, forms virtual video camera collection virtual scene letter
Breath, or composition collaborative work video camera obtain entity video camera photographing information, the locus of entity video camera and space appearance
State.
3. device according to claim 2, it is characterised in that the fixedly connected part includes：Connector and Quick-mounting board；Institute
Connector is stated to be fixedly connected with the motion capture device with the external equipment with Quick-mounting board.
4. device according to claim 3, it is characterised in that the connector includes：This is smooth for handle, support, backpack
Nikon, rocking arm or railcar.
5. device according to claim 4, it is characterised in that the handle and the Quick-mounting board pass through aluminum pipe and pipe clamp phase
Connection, so as to which the motion capture device be fixedly connected with the external equipment.
6. device according to claim 1, it is characterised in that aviation plug is additionally provided with the housing, with external electrical
Source is connected, the disconnection or connection of control circuit.
7. device according to claim 1, it is characterised in that the inertial sensor includes：
3 axis MEMS micro-acceleration gauge, measure the acceleration of the inertial sensor；And
3 axis MEMS gyroscope, measure the angular speed of the inertial sensor；And/or
3 axis MEMS magnetometer, measure magnetic direction.
8. according to claim 1 device, it is characterised in that the optical drive plate is specially LED drive board.
9. device according to claim 1, it is characterised in that the motion capture device also includes：
Communication module, the inside of the housing is arranged at, be connected with the inertial sensor, obtain the motion capture device
Spatial attitude information be sent to the virtual reality system.
10. device according to claim 1, it is characterised in that the connecting rod is rigidly connected with the housing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621070412 | 2016-09-21 | ||
| CN2016210704123 | 2016-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107844191A true CN107844191A (en) | 2018-03-27 |
Family
ID=58679011
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621133345.5U Active CN206178668U (en) | 2016-09-21 | 2016-10-18 | A motion capturing device for virtual reality |
| CN201610908891.XA Pending CN107844191A (en) | 2016-09-21 | 2016-10-18 | Motion capture device for virtual reality |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621133345.5U Active CN206178668U (en) | 2016-09-21 | 2016-10-18 | A motion capturing device for virtual reality |
Country Status (2)
| Country | Link |
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| CN (2) | CN206178668U (en) |
| WO (1) | WO2018054338A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535734A (en) * | 2018-04-12 | 2018-09-14 | 上海逸动医学科技有限公司 | Optical positioning structure, optical positioning system and method |
| CN115793874A (en) * | 2023-02-03 | 2023-03-14 | 广州奇境科技有限公司 | Virtual reality remote interaction equipment |
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| CN206178668U (en) * | 2016-09-21 | 2017-05-17 | 北京诺亦腾科技有限公司 | A motion capturing device for virtual reality |
| CN108627157A (en) * | 2018-05-11 | 2018-10-09 | 重庆爱奇艺智能科技有限公司 | A kind of head based on three-dimensional marking plate shows localization method, device and three-dimensional marking plate |
| CN109674535B (en) * | 2018-12-28 | 2020-09-04 | 北京诺亦腾科技有限公司 | Position posture navigation device |
| US11403775B2 (en) | 2020-02-28 | 2022-08-02 | Unity Technologies Sf | Active marker enhancements for performance capture |
| US11055519B1 (en) | 2020-02-28 | 2021-07-06 | Weta Digital Limited | Active marker strobing for performance capture communication |
| US11308644B2 (en) | 2020-08-28 | 2022-04-19 | Weta Digital Limited | Multi-presence detection for performance capture |
| CN112184758B (en) * | 2020-11-05 | 2024-04-19 | 北京虚拟动点科技有限公司 | Active motion capture rigid body and motion capture system |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018054338A1 (en) | 2018-03-29 |
| CN206178668U (en) | 2017-05-17 |
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