CN106131419A - A kind of method and system for synchronizing multiple wireless camera equipment and virtual reality system - Google Patents
A kind of method and system for synchronizing multiple wireless camera equipment and virtual reality system Download PDFInfo
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- CN106131419A CN106131419A CN201610581480.4A CN201610581480A CN106131419A CN 106131419 A CN106131419 A CN 106131419A CN 201610581480 A CN201610581480 A CN 201610581480A CN 106131419 A CN106131419 A CN 106131419A
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- camera equipment
- wireless camera
- sensitive chip
- wireless
- communication module
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/06—Generation of synchronising signals
- H04N5/067—Arrangements or circuits at the transmitter end
- H04N5/073—Arrangements or circuits at the transmitter end for mutually locking plural sources of synchronising signals, e.g. studios or relay stations
- H04N5/0733—Arrangements or circuits at the transmitter end for mutually locking plural sources of synchronising signals, e.g. studios or relay stations for distributing synchronisation pulses to different TV cameras
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- Multimedia (AREA)
- Signal Processing (AREA)
- Closed-Circuit Television Systems (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a kind of method and system for synchronizing multiple wireless camera equipment and virtual reality system, the method includes: arrange synchronization control module on virtual implementing helmet, is arranged around space, virtual implementing helmet place by multiple wireless camera equipment to be synchronized；The wireless communication module of each wireless camera equipment to be synchronized is wirelessly connected to synchronization control module, controls synchronization control module timing and send synchronic command to each wireless camera equipment simultaneously；After the wireless communication module of some wireless camera equipment receives synchronic command, the microcontroller triggering this wireless camera equipment sends synchronization pulse to the imageing sensor of this wireless camera equipment, controls imageing sensor and gathers image.Synchronization control module controls each wireless camera equipment during each wireless camera equipment works at set intervals, and to carry out one subsynchronous, it is ensured that each wireless camera equipment shoots location target simultaneously, it is ensured that the accuracy of location.
Description
Technical field
The present invention relates to technical field of virtual reality, particularly to a kind of method for synchronizing multiple wireless camera equipment
With system and virtual reality system.
Background technology
The space orientation of virtual reality system needs multiple picture pick-up devices to shoot object, to reach the mesh being accurately positioned simultaneously
, generally use the method that multiple picture pick-up devices are powered on simultaneously to keep the synchronization of each picture pick-up device at present, but owing to powering on
Time delay and System Initialization time are incomplete same, there is the problem synchronizing to be forbidden between each picture pick-up device, the most for a long time
After operation, the time difference of the shooting object between each picture pick-up device can become big further, causes being accurately positioned target.
Summary of the invention
In order to ensure that when carrying out the space orientation of virtual reality system multiple picture pick-up device shoots location mesh simultaneously
Mark, it is ensured that the accuracy of location, the invention provides a kind of method and system for synchronizing multiple wireless camera equipment and void
Intend reality system.
According to one aspect of the present invention, the invention provides a kind of method for synchronizing multiple wireless camera equipment,
Including:
Virtual implementing helmet arranges synchronization control module, by multiple wireless camera equipment to be synchronized around described void
Intend reality space, helmet place to arrange；
The wireless communication module of each wireless camera equipment to be synchronized is wirelessly connected to described Synchronization Control mould
Block, control the timing of described synchronization control module and send synchronic command to wireless camera equipment each described simultaneously；
After the wireless communication module of wireless camera equipment receives described synchronic command some described, trigger this wireless
The microcontroller of picture pick-up device sends synchronization pulse to the imageing sensor of this wireless camera equipment, controls imageing sensor
Gather image.
Wherein, the imageing sensor of each described wireless camera equipment includes the first sensitive chip and the second photosensitive core
Sheet；Described after some described, the wireless communication module of wireless camera equipment receives described synchronic command, trigger this wireless
The microcontroller of picture pick-up device sends synchronization pulse to the imageing sensor of this wireless camera equipment, controls described image and passes
Sensor gathers image, specifically includes:
When some described, the wireless communication module of wireless camera equipment receives the same of described synchronization control module transmission
During step instruction, described wireless communication module sends synchronization pulse to the microcontroller of this wireless camera equipment；
When described microcontroller receives described synchronization pulse, send lock-out pulse to described first sensitive chip
Signal；
When described first sensitive chip receives described synchronization pulse, start the collection of infrared image, and to institute
State the second sensitive chip and send synchronization pulse；
When described second sensitive chip receives described synchronization pulse, start the collection of coloured image.
Wherein, described method also includes:
After the first sensitive chip of some wireless camera equipment and the second sensitive chip complete to gather image, control
Described first sensitive chip and the second sensitive chip pass through camera serial line interface respectively by the infrared image collected and cromogram
As being sent to the arm processor of this wireless camera equipment；
Control described arm processor and process described infrared image and coloured image, obtain the position of described virtual implementing helmet
Put tracking data, and described position tracking data are sent to described microprocessor by spi bus；
Control described microprocessor and by described wireless communication module, described position tracking data are sent to described virtual
The reality helmet.
Wherein, described method also includes:
Charging chip is connected to described arm processor by iic bus；
LED light is connected to the output port of described arm processor, defeated by by bonded described arm processor
Inbound port.
According to another aspect of the present invention, the invention provides a kind of system for synchronizing multiple wireless camera equipment,
Including the synchronization control module being arranged on virtual implementing helmet, and around space, described virtual implementing helmet place layout
Multiple wireless camera equipment to be synchronized, each described wireless camera equipment includes wireless communication module, microcontroller and figure
As sensor；
The wireless communication module of described synchronization control module each described wireless camera equipment of wireless connections respectively, regularly
Send synchronic command to wireless camera equipment each described simultaneously；
After the wireless communication module of wireless camera equipment receives described synchronic command some described, trigger this wireless
The microcontroller of picture pick-up device sends synchronization pulse to imageing sensor, controls described imageing sensor and gathers image.
Wherein, the imageing sensor of each described wireless camera equipment includes the first sensitive chip and the second photosensitive core
Sheet；
When some described, the wireless communication module of wireless camera equipment receives the same of described synchronization control module transmission
During step instruction, described wireless communication module sends synchronization pulse to the microcontroller of this wireless camera equipment；
When described microcontroller receives described synchronization pulse, send lock-out pulse to described first sensitive chip
Signal；
When described first sensitive chip receives described synchronization pulse, start the collection of infrared image, and to institute
State the second sensitive chip and send synchronization pulse；
When described second sensitive chip receives described synchronization pulse, start the collection of coloured image.
Wherein, described wireless camera equipment also includes that arm processor, described arm processor are connected to institute by spi bus
State microcontroller；
Described first sensitive chip and the second sensitive chip are connected to described ARM process by camera serial line interface respectively
Device, is sent to described arm processor by the infrared image collected and coloured image；
Described arm processor, for processing the infrared image and coloured image received, obtains described virtual implementing helmet
Position follow the tracks of data, and by described position tracking data be sent to described microprocessor；
Described position tracking data are sent to described virtual reality by described wireless communication module by described microprocessor
The helmet.
Wherein, described wireless camera equipment also includes charging chip, LED light and button；
Described charging chip is connected to described arm processor by iic bus；
Described LED light is connected to the output port of described arm processor, and described button is connected to described ARM process
The input port of device.
According to another aspect of the present invention, the invention provides a kind of virtual reality system, including virtual implementing helmet and
4 the wireless camera equipment arranged around space, described virtual implementing helmet place；Being provided with on described virtual implementing helmet can
Seeing light source and infrared light supply, each described wireless camera equipment includes the first sensitive chip and the second sensitive chip；
Being additionally provided with synchronization control module on described virtual implementing helmet, each described wireless camera equipment is by respective
Wireless communication module is connected to described synchronization control module, and the timing of described synchronization control module sets to wireless camera each described
For sending synchronic command simultaneously；
When the wireless communication module of a certain described wireless camera equipment receives the synchronization that described synchronization control module sends
During instruction, described wireless communication module sends synchronization pulse to the microcontroller of this wireless camera equipment；When described micro-control
When device processed receives described synchronization pulse, send synchronization pulse to described first sensitive chip；When described first feels
When optical chip receives described synchronization pulse, start the collection of infrared image, and send same to described second sensitive chip
Step pulse signal；When described second sensitive chip receives described synchronization pulse, start the collection of coloured image；
The infrared image that described first sensitive chip and the second sensitive chip will be collected by camera serial line interface respectively
Be sent to the arm processor in this wireless camera equipment with coloured image, by described arm processor process described infrared image and
Coloured image, the position obtaining described virtual implementing helmet is followed the tracks of data, and is sent to described micro-by described position tracking data
Processor；Described position tracking data are sent to described virtual reality head by described wireless communication module by described microprocessor
Helmet；
Described virtual implementing helmet is used for real-time display virtual real scene image.
The embodiment of the present invention provides the benefit that: by arranging synchronization control module on virtual implementing helmet, timing to
Each wireless camera equipment sends synchronic command simultaneously, controls at set intervals during each wireless camera equipment works
Making each wireless camera equipment, to carry out one subsynchronous, it is ensured that each wireless camera equipment shoots location target simultaneously, it is ensured that location
Accuracy.In a further preferred embodiment, microcontroller first sends synchronization pulse to the first sensitive chip, when first
When sensitive chip receives synchronization pulse, then sending synchronization pulse to the second sensitive chip, two sensitive chips are opened
There is certain time interval the time beginning to gather image, can avoid producing interference each other, and owing to interval is the shortest also
The accuracy of location will not be produced harmful effect.By anticipate in wireless camera equipment original image obtain position with
Track data, then data are followed the tracks of in position be sent to virtual implementing helmet, compared to transmission raw image data, the data volume of transmission
Greatly reduce, effectively reduce position and follow the tracks of the transmission delay of data.
Accompanying drawing explanation
The flow chart of a kind of method for synchronizing multiple wireless camera equipment that Fig. 1 provides for the embodiment of the present invention；
The structural representation of a kind of system for synchronizing multiple wireless camera equipment that Fig. 2 provides for the embodiment of the present invention
Figure；
In a kind of system for synchronizing multiple wireless camera equipment that Fig. 3 provides for the embodiment of the present invention, wireless camera sets
Standby internal structure schematic diagram.
Detailed description of the invention
The design concept of the present invention is: arranging synchronization control module on virtual implementing helmet, timing is wireless to each
Picture pick-up device sends synchronic command simultaneously, controls each wireless take the photograph during each wireless camera equipment works at set intervals
As equipment, to carry out one subsynchronous, it is ensured that each wireless camera equipment shoots location target simultaneously, thus ensure that the accuracy of location.
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
The flow chart of a kind of method for synchronizing multiple wireless camera equipment that Fig. 1 provides for the embodiment of the present invention.As
Shown in Fig. 1, the method being used for synchronizing multiple wireless camera equipment of embodiment of the present invention offer includes:
Step S110: arrange synchronization control module on virtual implementing helmet, by multiple wireless camera equipment to be synchronized
Arrange around space, virtual implementing helmet place.
When carrying out the space orientation of virtual reality system, at least need two wireless camera equipment to photograph one simultaneously
Target, around space, virtual implementing helmet place arrange multiple wireless camera equipment can make user motion time at least two
Or above wireless camera equipment can simultaneously capture the location targets such as virtual implementing helmet, it is ensured that the accuracy of location, example
As arranged 4 wireless camera equipment around space, virtual implementing helmet place, each wireless camera equipment is in sustained height,
Lay respectively at foursquare 4 summits.
Step S120: the wireless communication module of each wireless camera equipment to be synchronized is wirelessly connected to Synchronization Control
Module, controls synchronization control module timing and sends synchronic command to each wireless camera equipment simultaneously.
Step S130: after the wireless communication module of some wireless camera equipment receives synchronic command, triggers this nothing
The microcontroller of line picture pick-up device sends synchronization pulse to the imageing sensor of this wireless camera equipment, controls image sensing
Device gathers image.
The scheme of the multiple picture pick-up device of existing synchronization is typically to power on each picture pick-up device simultaneously, but prolongs owing to powering on
Time and System Initialization time incomplete same, synchronize inaccurate between each picture pick-up device, and due at system work process
In there is no effective synchronisation measures, after picture pick-up device long-play, between each picture pick-up device shooting object time
Difference can become big further.Therefore the embodiment of the present invention provide for synchronizing in the method for multiple wireless camera equipment, control with
Step control module timing sends synchronic command to each wireless camera equipment simultaneously, and wireless camera equipment receives synchronic command
Send synchronization pulse to internal imageing sensor afterwards, control imageing sensor and gather image.Synchronization control module is respectively
Controlling each wireless camera equipment at set intervals during the work of wireless camera equipment, to carry out one subsynchronous, it is ensured that each wireless
Picture pick-up device shoots location target simultaneously, it is ensured that the accuracy of location.
In a preferred embodiment of the invention, the imageing sensor of each wireless camera equipment include two photosensitive
Chip, one of them sensitive chip is for gathering infrared image to determine the position of target, and another sensitive chip is used for gathering
Coloured image is to distinguish multiple targets, and two sensitive chips are arranged in same wireless camera equipment, apart from close, if two
Sensitive chip synchronization carries out image acquisition, can produce interference, the most in the preferred embodiment, step S130 each other
Specifically include:
When the wireless communication module of some wireless camera equipment receives the synchronic command that synchronization control module sends,
Wireless communication module sends synchronization pulse to the microcontroller of this wireless camera equipment；When microcontroller receives synchronization arteries and veins
When rushing signal, send synchronization pulse to the first sensitive chip；When the first sensitive chip receives synchronization pulse, open
The collection of beginning infrared image, and send synchronization pulse to the second sensitive chip；When the second sensitive chip receives synchronization arteries and veins
When rushing signal, start the collection of coloured image.
Microcontroller first sends synchronization pulse to the first sensitive chip, after the first sensitive chip receives this signal
Send synchronization pulse to the second sensitive chip again, in contrast to microcontroller and send synchronizing signal to two microcontrollers simultaneously
Mode, scheme time that two sensitive chips can be made to start to gather image that the present embodiment provides has between the regular hour
Every, it is to avoid produce interference each other.Owing to this time interval is the shortest, two sensitive chip collection figures can be thought approx
During picture, location target, in same position, will not produce harmful effect to the accuracy of location.
At present, when carrying out the space orientation of virtual reality system, it is common that utilize picture pick-up device to gather image, then take the photograph
As the image of collection is sent to virtual implementing helmet by equipment, by virtual implementing helmet process this view data with obtain position with
Track data.But, directly the mode data volume of the image that transmission gathers is very big, has higher requirement to communication bandwidth, if shooting
Equipment employing wireless mode transmits image, bandwidth and time delay to virtual implementing helmet and is difficult to meet requirement.Therefore, the one of the present invention
The method being used for synchronizing multiple wireless camera equipment of individual preferred embodiment offer also includes:
After the first sensitive chip of some wireless camera equipment and the second sensitive chip complete to gather image, control
The infrared image collected and coloured image are sent out by the first sensitive chip and the second sensitive chip respectively by camera serial line interface
Give the arm processor of this wireless camera equipment；
Controlling arm processor and process infrared image and coloured image, data are followed the tracks of in the position obtaining virtual implementing helmet, and
Data are followed the tracks of in position and is sent to microprocessor by spi bus；
Position is followed the tracks of data by wireless communication module and is sent to virtual implementing helmet by control microprocessor.
Arm processor is low in energy consumption, performance is high, can quickly process the image that wireless camera equipment collects, therefrom obtain
Data are followed the tracks of in position.What wireless camera equipment was ultimately sent to virtual implementing helmet is only that data are followed the tracks of, compared to original in position
View data, the data volume of transmission greatly reduces, can effectively dip follow the tracks of data transmission delay.
Preferably, the method being used for synchronizing multiple wireless camera equipment that the embodiment of the present invention provides also includes the core that charges
Sheet is connected to arm processor by iic bus, for utilizing internal battery or external power supply to the inside electricity of wireless camera equipment
Road powers, and for when connecting external power supply being internal battery charging.LED light is connected to the defeated of arm processor
Go out port, the duty of instruction wireless camera equipment, and button is connected to the input port of arm processor, take the photograph to wireless
As equipment transmitting control commands.
The structural representation of a kind of system for synchronizing multiple wireless camera equipment that Fig. 2 provides for the embodiment of the present invention
Figure；Wireless camera equipment in a kind of system for synchronizing multiple wireless camera equipment that Fig. 3 provides for the embodiment of the present invention
Internal structure schematic diagram.In conjunction with Fig. 2 and Fig. 3, the system for synchronizing multiple wireless camera equipment that the embodiment of the present invention provides
Including: the synchronization control module 220 being arranged on virtual implementing helmet 210, and around space, virtual implementing helmet 210 place
The wireless camera equipment 230 multiple to be synchronized arranged, each wireless camera equipment 230 includes wireless communication module 310, micro-
Controller 320 and imageing sensor 330.
The wireless communication module 310 of synchronization control module 220 each wireless camera equipment 230 of wireless connections respectively, fixed
Time send synchronic command to each wireless camera equipment 230 simultaneously.
After the wireless communication module 310 of some wireless camera equipment 230 receives synchronic command, trigger this and wireless take the photograph
As the microcontroller 320 of equipment 230 sends synchronization pulse to imageing sensor 330, control imageing sensor 330 and gather figure
Picture.
Control synchronization control module 220 timing and send synchronic command to each wireless camera equipment 230 simultaneously, wireless take the photograph
Send synchronization pulse to internal imageing sensor 330 after receiving synchronic command as equipment 230, control imageing sensor
330 gather image, and synchronization control module 220 controls each during each wireless camera equipment 230 works at set intervals
It is subsynchronous that wireless camera equipment 230 carries out one, it is ensured that each wireless camera equipment 230 shoots location target simultaneously, it is ensured that location
Accuracy.
In a preferred embodiment of the invention, the imageing sensor 330 of each wireless camera equipment 230 includes
One sensitive chip 331 and the second sensitive chip 332.
When the wireless communication module 310 of some wireless camera equipment 230 receives the same of synchronization control module 220 transmission
During step instruction, wireless communication module 310 sends synchronization pulse to the microcontroller 320 of this wireless camera equipment.Work as micro-control
When device 320 processed receives synchronization pulse, send synchronization pulse to the first sensitive chip 331.When the first sensitive chip
331 when receiving synchronization pulse, starts the collection of infrared image, and sends lock-out pulse letter to the second sensitive chip 332
Number.When the second sensitive chip 332 receives synchronization pulse, start the collection of coloured image.At a specific embodiment
In, using the sensitive chip of OV series, the FSIN pin of the first sensitive chip 331 connects microcontroller 320, from microcontroller
320 pulse signals accepting 1ms；The VSYNC pin of the first sensitive chip 331 connects the FSIN pin of the second sensitive chip 332,
When the first sensitive chip 331 is after FSIN pin receives the pulse signal of 1ms, by VSYNC pin to the second photosensitive core
The FSIN pin of sheet 332 sends the pulse signal of 1ms, makes two sensitive chip synchronous workings.
Microcontroller 320 first sends synchronization pulse to the first sensitive chip 331, and the first sensitive chip 331 receives
Send synchronization pulse to the second sensitive chip 332 again after this signal, two sensitive chips can be made to start to gather image
Time have certain time interval, it is to avoid produce interference each other.Owing to this time interval is the shortest, can recognize approx
When being two sensitive chips collection images, location target, in same position, will not produce harmful effect to the accuracy of location.
The order gathering infrared image and coloured image can exchange, i.e. microcontroller 320 can also be first photosensitive to second
Chip 332 sends synchronization pulse, and the second sensitive chip 332 receives after this signal again to the first sensitive chip 331
Sending synchronization pulse, result is identical.
Preferably, wireless camera equipment 230 also includes that arm processor 340, arm processor 340 are connected by spi bus
To microcontroller 320.First sensitive chip 331 and the second sensitive chip 332 are respectively by CSI (COMS Sensor
Interface, camera serial line interface) it is connected to arm processor 340, the infrared image collected and coloured image are sent to
Arm processor 340.
Arm processor 340 processes the infrared image and coloured image received, and obtains the position of virtual implementing helmet 210
Follow the tracks of data, and position is followed the tracks of data be sent to microprocessor 320 by spi bus.Microprocessor 320 passes through radio communication
Position is followed the tracks of data and is sent to virtual implementing helmet 210 by module 310.ARM anticipates the figure that wireless camera equipment collects
Picture, therefrom obtains position and follows the tracks of data, then position is followed the tracks of data be sent to virtual implementing helmet, the figure original compared to transmission
As data, the data volume of transmission greatly reduces, and can effectively dip and follow the tracks of the transmission delay of data.
Preferably, wireless camera equipment 230 also includes charging chip 350, LED light 360 and button 370.Charging core
Sheet 350 is connected to arm processor 340 by iic bus, is used for utilizing internal battery or external power supply to wireless camera equipment
The internal circuit of 230 is powered, and for when connecting external power supply being internal battery charging.LED light 360 is connected to
The output port of arm processor 340, for indicating the duty of wireless camera equipment 230.Button 370 is connected to ARM process
The input port of device 340, for wireless camera equipment 230 transmitting control commands.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of virtual reality system, including virtual reality
The helmet and 4 the wireless camera equipment arranged around space, virtual implementing helmet place, virtual implementing helmet is provided with visible
Light source and infrared light supply, each wireless camera equipment includes the first sensitive chip and the second sensitive chip；Virtual implementing helmet
On be additionally provided with synchronization control module, each wireless camera equipment is connected to Synchronization Control mould by respective wireless communication module
Block, synchronization control module timing sends synchronic command to each wireless camera equipment simultaneously.Synchronization control module is each wireless
Controlling each wireless camera equipment at set intervals during picture pick-up device work, to carry out one subsynchronous, it is ensured that each wireless camera
Equipment shoots location target simultaneously, it is ensured that the accuracy of location.
When the wireless communication module of a certain wireless camera equipment receives the synchronic command that synchronization control module sends, nothing
Line communication module sends synchronization pulse to the microcontroller of this wireless camera equipment；When microcontroller receives lock-out pulse
During signal, send synchronization pulse to the first sensitive chip；When the first sensitive chip receives synchronization pulse, start
The collection of infrared image, and send synchronization pulse to the second sensitive chip；When the second sensitive chip receives lock-out pulse
During signal, starting the collection of coloured image, there is certain time interval the time that two sensitive chips start to gather image, permissible
Avoid producing each other interference, owing to this time interval is the shortest, can think that two sensitive chips gather image approx
Time, location target, in same position, will not produce harmful effect to the accuracy of location.
First sensitive chip and the second sensitive chip pass through camera serial line interface respectively by the infrared image collected and coloured silk
Color image is sent to the arm processor in this wireless camera equipment, arm processor process infrared image and coloured image, obtain
Data are followed the tracks of in the position taking virtual implementing helmet, and position is followed the tracks of data are sent to microprocessor；Microprocessor is by wireless
Position is followed the tracks of data and is sent to virtual implementing helmet by communication module, virtual implementing helmet follow the tracks of data according to position and show in real time
Show virtual reality scenario image.In wireless camera equipment, anticipate original image obtain position tracking data, then by position
Following the tracks of data and be sent to virtual implementing helmet, compared to transmission raw image data, the data volume of transmission greatly reduces, Ke Yiyou
Effect dips and follows the tracks of the transmission delay of data.
In sum, the present invention provides a kind of method and system for synchronizing multiple wireless camera equipment and virtual existing
Real system, compared with prior art, has the advantages that
1, by arranging synchronization control module on virtual implementing helmet, timing is sent out to each wireless camera equipment simultaneously
Send synchronic command, during each wireless camera equipment works, control each wireless camera equipment at set intervals carry out once
Synchronize, it is ensured that each wireless camera equipment shoots location target simultaneously, it is ensured that the accuracy of location.
2, microcontroller first sends synchronization pulse to the first sensitive chip, when the first sensitive chip receives synchronization arteries and veins
When rushing signal, then sending synchronization pulse to the second sensitive chip, the time that two sensitive chips start to gather image has one
Fixed time interval, can avoid producing interference each other, and can't produce the accuracy of location owing to interval is the shortest
Raw harmful effect.
3, by anticipating original image acquisition position tracking data in wireless camera equipment, then number is followed the tracks of in position
According to being sent to virtual implementing helmet, compared to transmission raw image data, the data volume of transmission greatly reduces, and effectively reduces position
Put the transmission delay following the tracks of data.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.All
Any modification, equivalent substitution and improvement etc. made within the spirit and principles in the present invention, are all contained in protection scope of the present invention
In.
Claims (9)
1. the method being used for synchronizing multiple wireless camera equipment, it is characterised in that described method includes:
Virtual implementing helmet arranges synchronization control module, by multiple wireless camera equipment to be synchronized around described virtual existing
Real space, helmet place is arranged；
The wireless communication module of each wireless camera equipment to be synchronized is wirelessly connected to described synchronization control module, controls
The timing of described synchronization control module sends synchronic command to wireless camera equipment each described simultaneously；
After the wireless communication module of wireless camera equipment receives described synchronic command some described, trigger this wireless camera
The microcontroller of equipment sends synchronization pulse to the imageing sensor of this wireless camera equipment, controls described imageing sensor
Gather image.
2. the method for claim 1, it is characterised in that the imageing sensor of each described wireless camera equipment includes
First sensitive chip and the second sensitive chip；Described when some described the wireless communication module of wireless camera equipment receive institute
After stating synchronic command, the microcontroller triggering this wireless camera equipment sends synchronization to the imageing sensor of this wireless camera equipment
Pulse signal, controls described imageing sensor and gathers image, specifically include:
When some described the wireless communication module of wireless camera equipment receive described synchronization control module send synchronization refer to
When making, described wireless communication module sends synchronization pulse to the microcontroller of this wireless camera equipment；
When described microcontroller receives described synchronization pulse, send lock-out pulse letter to described first sensitive chip
Number；
When described first sensitive chip receives described synchronization pulse, start the collection of infrared image, and to described the
Two sensitive chips send synchronization pulse；
When described second sensitive chip receives described synchronization pulse, start the collection of coloured image.
3. method as claimed in claim 2, it is characterised in that described method also includes:
After the first sensitive chip of some wireless camera equipment and the second sensitive chip complete to gather image, control described
The infrared image collected and coloured image are sent out by the first sensitive chip and the second sensitive chip respectively by camera serial line interface
Give the arm processor of this wireless camera equipment；
Control described arm processor and process described infrared image and coloured image, obtain the position of described virtual implementing helmet with
Track data, and described position tracking data are sent to described microprocessor by spi bus；
Control described microprocessor, by described wireless communication module, described position tracking data are sent to described virtual reality
The helmet.
4. method as claimed in claim 3, it is characterised in that described method also includes:
Charging chip is connected to described arm processor by iic bus；
LED light is connected to the output port of described arm processor, by the input by bonded described arm processor
Mouthful.
5. one kind for synchronizing the system of multiple wireless camera equipment, it is characterised in that described system includes being arranged on virtual existing
Synchronization control module on the real helmet, and arrange around space, described virtual implementing helmet place multiple to be synchronized wireless
Picture pick-up device, each described wireless camera equipment includes wireless communication module, microcontroller and imageing sensor；
The wireless communication module of described synchronization control module each described wireless camera equipment of wireless connections respectively, timing is to often
One described wireless camera equipment sends synchronic command simultaneously；
After the wireless communication module of wireless camera equipment receives described synchronic command some described, trigger this wireless camera
The microcontroller of equipment sends synchronization pulse to imageing sensor, controls described imageing sensor and gathers image.
6. system as claimed in claim 5, it is characterised in that the imageing sensor of each described wireless camera equipment includes
First sensitive chip and the second sensitive chip；
When some described the wireless communication module of wireless camera equipment receive described synchronization control module send synchronization refer to
When making, described wireless communication module sends synchronization pulse to the microcontroller of this wireless camera equipment；
When described microcontroller receives described synchronization pulse, send lock-out pulse letter to described first sensitive chip
Number；
When described first sensitive chip receives described synchronization pulse, start the collection of infrared image, and to described the
Two sensitive chips send synchronization pulse；
When described second sensitive chip receives described synchronization pulse, start the collection of coloured image.
7. system as claimed in claim 6, it is characterised in that described wireless camera equipment also includes arm processor, described
Arm processor is connected to described microcontroller by spi bus；
Described first sensitive chip and the second sensitive chip are connected to described arm processor by camera serial line interface respectively, will
The infrared image collected and coloured image are sent to described arm processor；
Described arm processor, for processing the infrared image and coloured image received, obtains the position of described virtual implementing helmet
Put tracking data, and described position tracking data are sent to described microprocessor；
Described position tracking data are sent to described virtual implementing helmet by described wireless communication module by described microprocessor.
8. system as claimed in claim 7, it is characterised in that described wireless camera equipment also includes that charging chip, LED indicate
Lamp and button；
Described charging chip is connected to described arm processor by iic bus；
Described LED light is connected to the output port of described arm processor, and described button is connected to described arm processor
Input port.
9. a virtual reality system, it is characterised in that include virtual implementing helmet and around described virtual implementing helmet place
4 wireless camera equipment that space is arranged；Visible light source and infrared light supply it is provided with, each institute on described virtual implementing helmet
State wireless camera equipment and include the first sensitive chip and the second sensitive chip；
Being additionally provided with synchronization control module on described virtual implementing helmet, each described wireless camera equipment is by respective wireless
Communication module is connected to described synchronization control module, and the timing of described synchronization control module is same to wireless camera equipment each described
Time send synchronic command；
When the wireless communication module of a certain described wireless camera equipment receives the synchronic command that described synchronization control module sends
Time, described wireless communication module sends synchronization pulse to the microcontroller of this wireless camera equipment；When described microcontroller
When receiving described synchronization pulse, send synchronization pulse to described first sensitive chip；When described first photosensitive core
When sheet receives described synchronization pulse, start the collection of infrared image, and send synchronization arteries and veins to described second sensitive chip
Rush signal；When described second sensitive chip receives described synchronization pulse, start the collection of coloured image；
Described first sensitive chip and the second sensitive chip pass through camera serial line interface respectively by the infrared image collected and coloured silk
Color image is sent to the arm processor in this wireless camera equipment, described arm processor process described infrared image and colour
Image, the position obtaining described virtual implementing helmet is followed the tracks of data, and described position tracking data is sent to described micro-process
Device；Described position tracking data are sent to described virtual implementing helmet by described wireless communication module by described microprocessor；
Described virtual implementing helmet is used for real-time display virtual real scene image.
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