CN107783653A - A kind of virtual reality exchange method and system - Google Patents
A kind of virtual reality exchange method and system Download PDFInfo
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- CN107783653A CN107783653A CN201711075233.8A CN201711075233A CN107783653A CN 107783653 A CN107783653 A CN 107783653A CN 201711075233 A CN201711075233 A CN 201711075233A CN 107783653 A CN107783653 A CN 107783653A
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/01—Indexing scheme relating to G06F3/01
- G06F2203/012—Walk-in-place systems for allowing a user to walk in a virtual environment while constraining him to a given position in the physical environment
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Abstract
The present invention relates to technical field of virtual reality, discloses a kind of virtual reality exchange method and system, and acceleration, angular speed, magnetic field and key information are gathered by controller；Acceleration, angular speed, magnetic field and the key information for being collected the controller by bluetooth send control main frame to；The control main frame calculates attitude angle of the controller relative to absolute coordinate system by gravitometer, magnetometer and gyro data blending algorithm；Attitude angle and key information according to controller relative to absolute coordinate system, by predicting that interpolation algorithm is modified, to obtain user key-press information, location of controls information, user gesture information, controller directional information；It is supplied to corresponding application program to read the user key-press information, location of controls information, user gesture information, controller directional information.The present invention realizes the interactive mode based on controller collection, realizes that simply amount of calculation is small.
Description
Technical field
The present invention relates to technical field of virtual reality, more particularly to a kind of virtual reality exchange method and system.
Background technology
In reality environment, user in Virtual Space in order to click on, choose, mobile object, with Virtual Space
Object interaction etc. is, it is necessary to which a kind of device gathers user's hand position, state, and obtains the position that cursor is clicked on.It can use
Optical means goes to position, but optical means is related to image procossing, calculates more complicated, it is necessary to which bigger amount of calculation, is being moved
Without so abundant computing resource on dynamic virtual reality device.
The content of the invention
The present invention provides a kind of virtual reality exchange method and system, solves virtually to show interactive device in the prior art
Optical positioning method is related to image procossing, calculates more complicated, it is necessary to the technical problem of bigger amount of calculation.
The purpose of the present invention is achieved through the following technical solutions：
A kind of virtual reality exchange method, including：
Controller collection acceleration, angular speed, magnetic field and key information；
Acceleration, angular speed, magnetic field and the key information for being collected the controller by bluetooth send control master to
Machine；
The control main frame calculates controller relative to exhausted by gravitometer, magnetometer and gyro data blending algorithm
To the attitude angle of coordinate system；
Attitude angle and key information according to controller relative to absolute coordinate system, by predicting that interpolation algorithm is repaiied
Just, to obtain user key-press information, location of controls information, user gesture information, controller directional information；
The user key-press information, location of controls information, user gesture information, controller directional information are supplied to pair
The application program answered is read.
A kind of virtual reality interactive system, including controller and control main frame, wherein,
Controller, including：
Acquisition module, for gathering acceleration, angular speed, magnetic field and key information；
Sending module, for acceleration, angular speed, magnetic field and the key information for being collected the controller by bluetooth
Send control main frame to；
Control main frame, including：
First computing module, for calculating controller phase by gravitometer, magnetometer and gyro data blending algorithm
For the attitude angle of absolute coordinate system；
Second computing module, attitude angle and key information according to controller relative to absolute coordinate system, inserted by predicting
Value-based algorithm is modified, to obtain user key-press information, location of controls information, user gesture information, controller directional information；
Application service module, for by the user key-press information, location of controls information, user gesture information, control
Device directional information is supplied to corresponding application program to read.
The present invention provides a kind of virtual reality exchange method and system, and acceleration, angular speed, magnetic field are gathered by controller
And key information；Acceleration, angular speed, magnetic field and the key information for being collected the controller by bluetooth send control to
Main frame；The control main frame calculates controller relative to absolute by gravitometer, magnetometer and gyro data blending algorithm
The attitude angle of coordinate system；Attitude angle and key information according to controller relative to absolute coordinate system, by predicting interpolation algorithm
It is modified, to obtain user key-press information, location of controls information, user gesture information, controller directional information；By described in
User key-press information, location of controls information, user gesture information, controller directional information are supplied to corresponding application program to read
Take.The present invention realizes the interactive mode based on controller collection, realizes that simply amount of calculation is small.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of flow chart of virtual reality exchange method provided in an embodiment of the present invention；
Fig. 2 is a kind of structure chart of virtual reality interactive system provided in an embodiment of the present invention.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
The embodiments of the invention provide a kind of virtual reality exchange method, as shown in figure 1, including：
Step 101, controller collection acceleration, angular speed, magnetic field and key information；
Step 102, the acceleration for being collected the controller by bluetooth, angular speed, magnetic field and key information transmission
To control main frame；
Step 103, the control main frame calculate controller by gravitometer, magnetometer and gyro data blending algorithm
Relative to the attitude angle of absolute coordinate system；
Step 104, attitude angle and key information according to controller relative to absolute coordinate system, by predicting interpolation algorithm
It is modified, to obtain user key-press information, location of controls information, user gesture information, controller directional information；
Wherein, by attitude algorithm, the movement locus of storage control, and then the gesture of user can be predicted out.
Step 105, by the user key-press information, location of controls information, user gesture information, controller directional information
Application program is read corresponding to being supplied to.
Wherein, step 105 can specifically include：
Step 105-1, letter is pointed to the user key-press information, location of controls information, user gesture information, controller
The mark of application program corresponding to breath addition；
Step 105-2, the user key-press information, location of controls information, user gesture information, controller are pointed into letter
Breath is preserved into shared drive or message queue, is read out by multiple application programs in a manner of poll.
It can also include before step 101：
The wireless connection of the controller and the control main frame is established, is specifically as follows：
(1) controller information that last time connects is recorded, can be gone when operation again according to the information of record
Connection, the handle for ensureing to connect with last time is consistent.
(2) go to judge by user's operating process, such as：When controller is connected, some button for specifying of long-press,
Feedback display, user can go to judge whether to be connected to correct control by the feedback have in the application simultaneously corresponding to
Device.
(3) by the limitation to controller bluetooth power, only ensure that the controller data in the range of restriction can receive,
It is to go to ensure that multiple bluetooth controllers can use simultaneously by spatial frequency multiplex mode, other control to overruning
Device will not form interference, ensure the traffic rate of each controller, improve amount controller used at the same time.
After step 105, it can also include：
Step 105-3, the historical data in preset time period is recorded；
Step 105-4, when the control main frame does not receive data, according to historical data and forecast model, generation
The location of controls information of prediction, user gesture information, controller directional information.
Before step 101, in addition to：
Step 101-1, application program is registered, and distributes application program identification；
Step 101-2, application program and controller are bound.
During controller use, accumulated error can be produced, and hence it is also possible to including calibration the step of：By by some
Button, reset position so that during image that user sees, position of controller etc. are returned again；Or controller can be according to earth magnetism
Azimuth information of the field acquisition controller under absolute coordinate system, error is compensated by azimuth information.
The present invention provides a kind of virtual reality exchange method, and acceleration, angular speed, magnetic field and button are gathered by controller
Information；Acceleration, angular speed, magnetic field and the key information for being collected the controller by bluetooth send control main frame to；
The control main frame calculates controller relative to absolute coordinate system by gravitometer, magnetometer and gyro data blending algorithm
Attitude angle；Attitude angle and key information according to controller relative to absolute coordinate system, by predicting that interpolation algorithm is repaiied
Just, to obtain user key-press information, location of controls information, user gesture information, controller directional information；The user is pressed
Key information, location of controls information, user gesture information, controller directional information are supplied to corresponding application program to read.This
Invention realizes the interactive mode based on controller collection, realizes that simply amount of calculation is small.
The technique effect of the present invention is as follows：
Solve multiple controller matchings and communication issue in space；When speed is inadequate, solve location of controls and posture
Accuracy problem, and improve the usage experience of user；Solve when multiple applications need to use controller in systems, controller
Sharing problem；Solves the process problem of controller transient event；The gesture of the data-speculative user gathered by controller；Control
Device and application scenarios binding processing.
Inventive embodiments additionally provide a kind of virtual reality interactive system, as shown in Fig. 2 including controller 100 and control
Main frame 200, wherein,
Controller 100, including：
Acquisition module 110, for gathering acceleration, angular speed, magnetic field and key information；
Sending module 120, for acceleration, angular speed, magnetic field and the button for being collected the controller by bluetooth
Information transmission is to control main frame；
Control main frame 200, including：
First computing module 210, for calculating controller by gravitometer, magnetometer and gyro data blending algorithm
Relative to the attitude angle of absolute coordinate system；
Second computing module 220, attitude angle and key information according to controller relative to absolute coordinate system, passes through prediction
Interpolation algorithm is modified, and letter is pointed to obtain user key-press information, location of controls information, user gesture information, controller
Breath；
Application service module 230, for by the user key-press information, location of controls information, user gesture information, control
Device directional information processed is supplied to corresponding application program to read.
Wherein, the application service module 230, including：
Unit 231 is identified, for the user key-press information, location of controls information, user gesture information, controller
The mark of application program corresponding to directional information addition；
Queue unit 232, for by the user key-press information, location of controls information, user gesture information, controller
Directional information is preserved into shared drive or message queue, is read out by multiple application programs in a manner of poll.
The acquisition module 110 is additionally operable to establish the wireless connection of the controller and the control main frame.
Control main frame 200 also includes prediction module 240, for recording the historical data in preset time period；When the control
When main frame processed does not receive data, according to historical data and forecast model, location of controls information, the user's hand of prediction are generated
Gesture information, controller directional information.
The application service module 230 is additionally operable to gather acceleration, angular speed, magnetic field and key information in the controller
The step of before, application program is registered, and distribute application program identification；Application program and controller are bound.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required hardware platform to realize, naturally it is also possible to all implemented by hardware, but in many cases before
Person is more preferably embodiment.Based on such understanding, whole that technical scheme contributes to background technology or
Person part can be embodied in the form of software product, and the computer software product can be stored in storage medium, such as
ROM/RAM, magnetic disc, CD etc., including some instructions to cause a computer equipment (can be personal computer, service
Device, either network equipment etc.) perform method described in some parts of each embodiment of the present invention or embodiment.
The present invention is described in detail above, principle and embodiment party of the specific case used herein to the present invention
Formula is set forth, and the explanation of above example is only intended to help the method and its core concept for understanding the present invention；It is meanwhile right
In those of ordinary skill in the art, according to the thought of the present invention, change is had in specific embodiments and applications
Part, in summary, this specification content should not be construed as limiting the invention.
Claims (10)
- A kind of 1. virtual reality exchange method, it is characterised in that including：Controller collection acceleration, angular speed, magnetic field and key information；Acceleration, angular speed, magnetic field and the key information for being collected the controller by bluetooth send control main frame to；The control main frame calculates controller by gravitometer, magnetometer and gyro data blending algorithm and sat relative to absolute Mark the attitude angle of system；Attitude angle and key information according to controller relative to absolute coordinate system, by predicting that interpolation algorithm is modified, with Obtain user key-press information, location of controls information, user gesture information, controller directional information；The user key-press information, location of controls information, user gesture information, controller directional information are supplied to corresponding Application program is read.
- 2. virtual reality exchange method according to claim 1, it is characterised in that it is described by the user key-press information, The step of location of controls information, user gesture information, controller directional information are supplied to corresponding application program to read, bag Include：Answered to corresponding to the user key-press information, location of controls information, user gesture information, the addition of controller directional information With the mark of program；The user key-press information, location of controls information, user gesture information, controller directional information are preserved to shared interior Deposit or message queue in, be read out by multiple application programs in a manner of poll.
- 3. virtual reality exchange method according to claim 1, it is characterised in that the controller collection acceleration, angle Before the step of speed, magnetic field and key information, in addition to：Establish the wireless connection of the controller and the control main frame.
- 4. virtual reality exchange method according to claim 1, it is characterised in that it is described by the user key-press information, After the step of location of controls information, user gesture information, controller directional information are supplied to corresponding application program to read, Also include：Record the historical data in preset time period；When the control main frame does not receive data, according to historical data and forecast model, the controller position of prediction is generated Confidence breath, user gesture information, controller directional information.
- 5. virtual reality exchange method according to claim 1, it is characterised in that the controller collection acceleration, angle Before the step of speed, magnetic field and key information, in addition to：Application program is registered, and distributes application program identification；Application program and controller are bound.
- A kind of 6. virtual reality interactive system, it is characterised in that including controller and control main frame, wherein,Controller, including：Acquisition module, for gathering acceleration, angular speed, magnetic field and key information；Sending module, for acceleration, angular speed, magnetic field and the key information transmission for being collected the controller by bluetooth To control main frame；Control main frame, including：First computing module, for by gravitometer, magnetometer and gyro data blending algorithm calculate controller relative to The attitude angle of absolute coordinate system；Second computing module, attitude angle and key information according to controller relative to absolute coordinate system, by predicting that interpolation is calculated Method is modified, to obtain user key-press information, location of controls information, user gesture information, controller directional information；Application service module, for the user key-press information, location of controls information, user gesture information, controller to be referred to Provide information to read to corresponding application program.
- 7. virtual reality interactive system according to claim 6, it is characterised in that the application service module, including：Unit is identified, for pointing to letter to the user key-press information, location of controls information, user gesture information, controller The mark of application program corresponding to breath addition；Queue unit, for the user key-press information, location of controls information, user gesture information, controller to be pointed into letter Breath is preserved into shared drive or message queue, is read out by multiple application programs in a manner of poll.
- 8. virtual reality interactive system according to claim 6, it is characterised in that the acquisition module is additionally operable to establish institute State the wireless connection of controller and the control main frame.
- 9. virtual reality interactive system according to claim 6, it is characterised in that also including prediction module, for recording Historical data in preset time period；When the control main frame does not receive data, according to historical data and forecast model, Generate the location of controls information, user gesture information, controller directional information of prediction.
- 10. virtual reality exchange method according to claim 6, it is characterised in that the application service module is additionally operable to Before the step of controller gathers acceleration, angular speed, magnetic field and key information, application program is registered, and Distribute application program identification；Application program and controller are bound.
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| CN201711075233.8A CN107783653A (en) | 2017-11-06 | 2017-11-06 | A kind of virtual reality exchange method and system |
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| CN109814707A (en) * | 2018-12-19 | 2019-05-28 | 东北大学秦皇岛分校 | A kind of virtual input method and system based on intelligent finger ring |
| CN111580663A (en) * | 2020-05-11 | 2020-08-25 | 清华大学 | Information input method, system, electronic equipment and storage medium |
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Application publication date: 20180309 |