CN111722699A - Virtual reality device positioning system and method thereof - Google Patents
Virtual reality device positioning system and method thereof Download PDFInfo
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- CN111722699A CN111722699A CN201910210060.9A CN201910210060A CN111722699A CN 111722699 A CN111722699 A CN 111722699A CN 201910210060 A CN201910210060 A CN 201910210060A CN 111722699 A CN111722699 A CN 111722699A
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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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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
- A63F13/90—Constructional details or arrangements of video game devices not provided for in groups A63F13/20 or A63F13/25, e.g. housing, wiring, connections or cabinets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
- G01S11/06—Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- H—ELECTRICITY
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
- A63F2300/20—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterised by details of the game platform
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
- A63F2300/80—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game specially adapted for executing a specific type of game
- A63F2300/8082—Virtual reality
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Abstract
A virtual reality device positioning system comprises a Bluetooth emitter, a virtual reality device and a host end. The bluetooth transmitter outputs a bluetooth signal, wherein a sensing range of the bluetooth transmitter includes an obstacle. The virtual reality device comprises a Bluetooth receiver, a communication unit and a display unit. The bluetooth receiver receives a bluetooth signal. The communication unit outputs the Bluetooth signal and the corresponding signal intensity, and receives the position signal and the warning signal corresponding to the virtual reality device. The display unit displays the virtual reality device and the barrier according to the position signal and displays a display picture according to the warning signal. The host computer end stores the position information of the barrier and the Bluetooth emitter, calculates a position signal according to the signal intensity, and outputs a warning signal when the distance between the virtual reality device and the barrier is smaller than a preset value. The invention also discloses a virtual reality device positioning method. The invention can accurately and instantly position one or more virtual reality devices and warn players to avoid obstacles.
Description
Technical Field
The present invention relates to positioning systems, and more particularly, to a positioning system and method for a virtual reality device.
Background
With the advancement of technology, virtual reality devices have been provided for playing multiple games simultaneously. However, in the motion sensing game combined with the physical space, the user cannot know the change in the real surrounding environment, and thus may be obstructed by an obstacle, or the distance to the nearby user cannot be accurately known due to the limitation of the conventional positioning technology, and thus there is a risk of collision. Therefore, how to warn users to avoid obstacles and/or avoid collisions between users is a problem that needs to be solved at present.
Disclosure of Invention
Accordingly, there is a need for a virtual reality device positioning system and method thereof that can prevent a user from colliding with other users and/or obstacles.
The invention provides a virtual reality device positioning system, which is characterized by comprising at least one Bluetooth emitter, a first virtual reality device and a host end. The bluetooth transmitter is used for outputting a bluetooth signal, wherein a sensing range of the bluetooth transmitter comprises at least one obstacle. The first virtual reality device comprises a first Bluetooth receiver, a first communication unit and a first display unit. The first Bluetooth receiver is used for receiving the Bluetooth signal. The first communication unit is used for outputting a received signal intensity corresponding to the Bluetooth signal and receiving a first position signal and a warning signal corresponding to the first virtual reality device. The first display unit is used for displaying the relative position relation between the first virtual reality device and the obstacle according to the first position signal and displaying a first display picture according to the warning signal. The host end stores position information of the obstacle and the Bluetooth emitter, calculates the first position signal according to the signal strength received from the first virtual reality device, and outputs the warning signal when a first distance between the first virtual reality device and the obstacle is smaller than a preset value.
The invention also provides a virtual reality device positioning method, which is characterized by comprising the following steps: outputting a bluetooth signal through at least one bluetooth transmitter, wherein a sensing range of the bluetooth transmitter includes at least one obstacle; receiving a Bluetooth signal through a first Bluetooth receiver of a first virtual reality device; outputting a signal intensity corresponding to the received Bluetooth signal through a first communication unit of the first virtual reality device; calculating a first position signal corresponding to a first virtual reality device through a host according to the signal intensity received from the first virtual reality device, and outputting a warning signal when a first distance between the first virtual reality device and the obstacle is smaller than a preset value; receiving the first position signal and the warning signal through the first communication unit; and displaying the relative position relation between the first virtual reality device and the barrier according to the first position signal and displaying a first display picture according to the warning signal through a first display unit of the first virtual reality device.
Drawings
Fig. 1 is a block diagram of a virtual reality device positioning system according to an embodiment of the invention.
Fig. 2 is a flowchart of a virtual reality device positioning method according to an embodiment of the invention.
Description of the main elements
Detailed Description
Further areas of applicability of the present systems and methods will become apparent from the detailed description provided hereinafter. It should be understood that the following detailed description and specific examples, while indicating exemplary embodiments of the virtual reality device positioning system and method, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Fig. 1 is a block diagram of a virtual reality device positioning system according to an embodiment of the invention. The virtual reality device positioning system 100 comprises a host 110, a first virtual reality device 120 and at least one bluetooth transmitter 130. The host 110 can be a personal computer, a game host, or a portable electronic device, and at least includes a processing unit, a storage unit, and a transmission unit. The processing unit may be implemented in numerous ways, such as with dedicated hardware circuits or general purpose hardware (e.g., a single processor, multiple processors with parallel processing capability, a graphics processor, or other processor with computing capability), and when executing program code or software, provides the functions described herein. The storage unit is used for storing the position information of the bluetooth transmitter 130, the position information of at least one obstacle, and a conversion equation for calculating the relative position relationship between the first virtual reality device 120 and the obstacle or the relative position relationship between the two first virtual reality devices 120, and the like, so that the processing unit can access the information when performing the correlation operation. It is noted that the obstacles described herein are objects that protrude above the ground or areas that may impede the user's travel. The storage unit may be a non-volatile storage device such as a hard disk, a flash memory, a ROM, and the like. The bluetooth transmitter 130 is configured to transmit bluetooth signals, and may be disposed on the obstacles or disposed such that each obstacle is located within a detectable range of the bluetooth signals when the bluetooth transmitter 130 is disposed. When the virtual reality device positioning system 100 has a plurality of bluetooth transmitters 130, each bluetooth transmitter 130 has a corresponding serial number, so that the host 110 can access the position of the bluetooth transmitter 130 from the storage unit according to the corresponding serial number of the bluetooth transmitter 130 when receiving the bluetooth signal. The first virtual reality device 120 at least includes a first bluetooth receiver, a first communication unit and a first display unit. The first bluetooth receiver is configured to receive a bluetooth signal output by the bluetooth transmitter 130. The first communication unit is connected to the transmission unit of the host 110 in a wired or wireless manner, so as to output the signal strength of the bluetooth signal received by the bluetooth receiver to the host 110. The first display unit is configured to receive display content, a position signal corresponding to the first virtual reality device 120, and an alert signal from the host 110. The first display unit is worn on the head of the user and may be a display panel (e.g., a thin film liquid crystal display panel, an organic light emitting diode panel, or other devices with display capability).
According to an embodiment of the present invention, when the first virtual reality device 120 enters a range where the first bluetooth receiver can receive the bluetooth signal output by the bluetooth transmitter 130, the first bluetooth receiver of the first virtual reality device 120 receives the bluetooth signal having a signal strength, and the first virtual reality device 120 transmits the bluetooth signal received by the first bluetooth receiver and the corresponding signal strength back to the host 110 for processing through the first communication unit. After receiving the bluetooth signal and the corresponding signal strength of the first virtual reality device 120, the host 110 determines the position of the first virtual reality device 120 according to the signal strength corresponding to the bluetooth signal and the serial number of the corresponding bluetooth transmitter 130, and displays the position of the first virtual reality device 120 through the first display unit of the first virtual reality device 120.
In addition, when the distance (first distance) between the first virtual reality device 120 and the obstacle is less than a predetermined value, the host 110 further outputs an alert signal to the first virtual reality device 120 to inform the user of the obstacle. The warning signal can be implemented in various ways, such as displaying a warning window on the first display unit of the first virtual reality device 120 or displaying a current image in front of the user on the first display unit. For example, a front lens is additionally installed on the first virtual reality device 120, and after the first virtual reality device 120 receives the warning signal, the front lens is enabled to capture a picture corresponding to the real environment, so as to prevent the user from being injured by the obstacle.
It is noted that the first virtual reality device 120 may further include a first processing unit, and the determination performed by the host 110 can also be implemented by the first processing unit of the first virtual reality device 120 itself.
According to another embodiment of the present invention, when the range of motion of the user is large, the virtual reality device positioning system 100 further includes a WIFI wireless network formed by a plurality of wireless Access Points (APs), and the position of the first virtual reality device 120 is calculated by the WIFI wireless network through, for example, triangulation, so as to reduce the installation cost of the virtual reality device positioning system 100. The position information corresponding to the first virtual reality device 120 or other virtual reality devices acquired by the WIFI wireless network is received through the transmission unit of the host 110. In addition, since the accuracy of the bluetooth positioning is better than that of the WIFI positioning, when the range of the WIFI wireless network overlaps with the signal range of the bluetooth transmitter 130, the position of the first virtual reality device 120 is determined based on the position corresponding to the bluetooth signal, so as to improve the positioning accuracy of the first virtual reality device 120.
According to another embodiment of the present invention, the first virtual reality device 120 further includes a plurality of infrared emitters and a plurality of infrared receivers, which respectively correspond to different directions of the first virtual reality device 120. For example, when the detection range is 360 degrees, one set of infrared emitter and infrared receiver can be set every 60 degrees. The number of the infrared emitters and the infrared receivers can be determined according to the requirement of the user for the positioning accuracy, and is not limited to the number of the groups described in the embodiments of the present invention. When the virtual reality device positioning system 100 further includes a second virtual reality device or more virtual reality devices, the virtual reality device positioning system 100 can further determine the relative position relationship between the two virtual reality devices through the infrared emitters and infrared receivers of the first virtual reality device 120 and the second virtual reality device. For example, when the host 110 knows the positions of the first virtual reality device 120 and the second virtual reality device according to the WIFI or bluetooth signal and determines that the distance between the first virtual reality device 120 and the second virtual reality device is smaller than the predetermined value, the host 110 further determines the relative position relationship between the first virtual reality device 120 and the second virtual reality device, and enhances the power of the infrared emitter in the direction corresponding to the first virtual reality device 120 according to the relative position relationship to increase the receiving distance of the infrared receiver, thereby shortening the time required for positioning through the infrared receiver. The configuration of the second virtual reality device is the same as that of the first virtual reality device 120, and is not described in detail herein for brevity.
For example, in a case where the first virtual reality device 120 and the second virtual reality device both move in the same direction, when the host 110 determines that the distance between the two virtual reality devices is smaller than a predetermined value, the host 110 further determines the relative position relationship between the two virtual reality devices. For example, when the first virtual reality device 120 is located at the front right of the second virtual reality device (i.e. the second virtual reality device is located at the rear left of the first virtual reality device 120), the host 110 enables the first virtual reality device 120 to turn on the infrared transmitter at the rear left, and causes the first virtual reality device 120 to enhance its transmitting power, so that the infrared receiver at the front right of the second virtual reality device at the rear can receive the infrared signal more quickly, thereby speeding up the host 110 to determine the shortest distance between the two virtual reality devices.
In addition, after the host 110 receives the infrared signal from the second virtual reality device and calculates the shortest distance between the two virtual reality devices according to the infrared signal, the host 110 can further correct the position coordinates of the two virtual reality devices according to the shortest distance and transmit the relative position relationship between the two virtual reality devices to the display units of the two virtual reality devices. When the host 110 calculates that the distance between the two virtual reality devices is smaller than the predetermined value, the host 110 outputs warning information to the two virtual reality devices respectively, so as to display a warning window on a display unit of the virtual reality device or display a current image in front of a user on the display unit. Similarly, each of the computations performed by the host 110 can be implemented by the processing unit of each virtual reality device, and then data exchange is performed by the communication unit.
Fig. 2 is a flowchart of a virtual reality device positioning method according to an embodiment of the invention. First, in step S201, the host 110 enables at least one bluetooth transmitter 130 to output a bluetooth signal and/or enables a WIFI wireless network. The bluetooth transmitter 130 is disposed on the obstacle or each obstacle is located within a detectable range of the bluetooth signal, and the detectable range of the WIFI wireless network covers an active range of the first virtual reality device 120. In step S202, the first bluetooth receiver of the first virtual reality device 120 receives the bluetooth signal and the corresponding signal strength, or the host 110 detects the first virtual reality device 120 through the WIFI wireless network. In step S203, the host 110 calculates the position of the first virtual reality device 120 according to the bluetooth signal or the WIFI wireless network with signal strength output by the first communication unit of the first virtual reality device 120. In the case that the positioning system 100 is provided with a WIFI wireless network, the host 110 calculates the position of the first virtual reality device 120 by triangulation via the WIFI wireless network. In step S204, the host 110 determines whether a second virtual reality device is detected. When the host 110 detects the second virtual reality device, step S205 is entered, and the host 110 determines whether the distance between the two virtual reality devices is smaller than a predetermined value. When the distance between the two virtual reality devices is smaller than the predetermined value, the process proceeds to step S206, and the host 110 outputs an alarm signal or displays the picture captured by the front lens on the display unit of each virtual reality device.
Otherwise, when the host 110 detects only the first virtual reality device 120 or the distance between two virtual reality devices is greater than or equal to the predetermined value, step S207 is entered, and the host 110 determines whether the distance between each virtual reality device and the obstacle is less than the predetermined value. When the distance between the first virtual reality device 120 or other virtual reality devices and the obstacle is smaller than the predetermined value, the process proceeds to step S206, and the host 110 outputs an alarm signal or displays a picture captured by the front lens on the display unit of the corresponding virtual reality device. Otherwise, when the distance between the first virtual reality device 120 and the second virtual reality device and the distance between the obstacles of the first virtual reality device 120 are both greater than or equal to the predetermined value, step S202 is performed, and each virtual reality device continuously receives the bluetooth signal, so that the host 110 can determine the position of each virtual reality device according to the intensity of the bluetooth signal, or the host 110 can detect the position of each virtual reality device through the WIFI wireless network.
It is to be noted that although the above-described method has been described on the basis of a flowchart using a series of steps or blocks, the present invention is not limited to the order of the steps, and some steps may be performed in an order different from that of the rest of the steps or the rest of the steps may be performed simultaneously. Moreover, those skilled in the art will appreciate that the steps illustrated in the flow chart are not exclusive, that other steps of the flow chart may be included, or that one or more steps may be deleted without affecting the scope of the invention.
In summary, according to the positioning system and method for a virtual reality device provided in some embodiments of the present invention, the distance between the user and the obstacle can be accurately obtained by disposing the bluetooth transmitter on the obstacle, so as to warn the user to avoid the obstacle. In addition, when there are multiple users in the physical space, the distance between the users can be measured in real time and accurately by enabling the infrared receiver and the infrared transmitter corresponding to the directions in due time according to the relative position relationship between the users, so as to avoid collision between the users.
It should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A virtual reality device positioning system, comprising:
at least one bluetooth transmitter for outputting a bluetooth signal, wherein a sensing range of the bluetooth transmitter includes at least one obstacle;
a first virtual reality device, comprising:
a first bluetooth receiver for receiving the bluetooth signal;
the first communication unit is used for outputting the received Bluetooth signal and corresponding signal strength and receiving a first position signal and a warning signal corresponding to the first virtual reality device; and
the first display unit is used for displaying the relative position relation between the first virtual reality device and the barrier according to the first position signal and displaying a first display picture according to the warning signal;
a host computer end for storing the position information of the obstacle and the Bluetooth emitter, calculating the first position signal according to the signal intensity received from the first virtual reality device, and outputting the warning signal when a first distance between the first virtual reality device and the obstacle is smaller than a preset value.
2. The virtual reality device positioning system of claim 1, wherein the first virtual reality device further comprises:
a plurality of first infrared emitters corresponding to a plurality of different orientations, respectively;
wherein the host side further performs the steps of:
when the host computer calculates and obtains a second position signal corresponding to a second virtual reality device, the host computer strengthens the power of the corresponding first infrared emitter according to the relative position relation of the first position signal and the second position signal.
3. The virtual reality device positioning system of claim 2, wherein the second virtual reality device further comprises:
a second infrared receiver for receiving an infrared signal output by the first infrared transmitter;
a second communication unit for outputting the infrared signal to the host end;
the second display unit is used for displaying the corrected relative position relation;
wherein the host side further performs the steps of:
and calculating a second distance between the first virtual reality device and the second virtual reality device according to the infrared signal, and correcting the relative position relationship between the first position signal and the second position signal according to the second distance to generate the corrected relative position relationship.
4. The virtual reality device positioning system of claim 3, wherein when the second distance is less than the predetermined value, the host outputs the warning signal and causes the second display unit to display a second display screen.
5. The system as recited in claim 4, wherein the first virtual reality device further comprises a first front lens and the second virtual reality device further comprises a second front lens for capturing the first display and the second display, respectively.
6. A virtual reality device positioning method, the steps comprising:
outputting a bluetooth signal through at least one bluetooth transmitter, wherein a sensing range of the bluetooth transmitter includes at least one obstacle;
receiving a Bluetooth signal through a first Bluetooth receiver of a first virtual reality device;
outputting the received Bluetooth signal and a corresponding signal intensity through a first communication unit of the first virtual reality device;
calculating a first position signal corresponding to a first virtual reality device through a host according to the signal intensity received from the first virtual reality device, and outputting a warning signal when a first distance between the first virtual reality device and the obstacle is smaller than a preset value;
receiving the first position signal and the warning signal through the first communication unit; and
and displaying the relative position relation between the first virtual reality device and the barrier according to the first position signal and displaying a first display picture according to the warning signal through a first display unit of the first virtual reality device.
7. The method of claim 6, wherein the first infrared emitter further comprises a plurality of first infrared emitters corresponding to a plurality of different orientations, the steps further comprising:
when the host computer calculates a second position signal corresponding to a second virtual reality device, the host computer strengthens the power of the corresponding first infrared emitter according to the relative position relation of the first position signal and the second position signal.
8. The virtual reality device positioning method of claim 7, wherein the second virtual reality device further comprises:
a second infrared receiver for receiving an infrared signal output by the first infrared transmitter;
a second communication unit for outputting the infrared signal to the host end;
the second display unit is used for displaying the corrected relative position relation;
wherein the host side further performs the steps of:
and calculating a second distance between the first virtual reality device and the second virtual reality device according to the infrared signal, and correcting the relative position relationship between the first position signal and the second position signal according to the second distance to generate the corrected relative position relationship.
9. The virtual reality device positioning method of claim 8, wherein the steps further comprise:
when the second distance is smaller than the preset value, the host end outputs the warning signal and causes the second display unit to display a second display picture.
10. The method as claimed in claim 9, wherein the first virtual reality device further comprises a first front lens and the second virtual reality device further comprises a second front lens for capturing the first display and the second display respectively.
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